./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_02d7f871-d026-4f51-8302-d6c868a92c5a/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_02d7f871-d026-4f51-8302-d6c868a92c5a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_02d7f871-d026-4f51-8302-d6c868a92c5a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_02d7f871-d026-4f51-8302-d6c868a92c5a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label26.c -s /tmp/vcloud-vcloud-master/worker/run_dir_02d7f871-d026-4f51-8302-d6c868a92c5a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_02d7f871-d026-4f51-8302-d6c868a92c5a/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 0.1.24-678e011 [2019-11-20 09:41:56,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:41:56,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:41:56,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:41:56,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:41:56,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:41:56,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:41:56,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:41:56,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:41:56,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:41:56,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:41:56,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:41:56,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:41:56,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:41:56,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:41:56,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:41:56,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:41:56,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:41:56,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:41:56,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:41:56,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:41:56,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:41:56,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:41:56,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:41:56,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:41:56,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:41:56,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:41:56,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:41:56,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:41:56,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:41:56,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:41:56,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:41:56,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:41:56,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:41:56,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:41:56,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:41:56,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:41:56,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:41:56,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:41:56,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:41:56,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:41:56,329 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_02d7f871-d026-4f51-8302-d6c868a92c5a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 09:41:56,359 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:41:56,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:41:56,373 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 09:41:56,373 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 09:41:56,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:41:56,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:41:56,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:41:56,375 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 09:41:56,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:41:56,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 09:41:56,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:41:56,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 09:41:56,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 09:41:56,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 09:41:56,377 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 09:41:56,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:41:56,378 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:41:56,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 09:41:56,379 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 09:41:56,379 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 09:41:56,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:41:56,379 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 09:41:56,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 09:41:56,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:41:56,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 09:41:56,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 09:41:56,381 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 09:41:56,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 09:41:56,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 09:41:56,381 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_02d7f871-d026-4f51-8302-d6c868a92c5a/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 [2019-11-20 09:41:56,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:41:56,605 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:41:56,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:41:56,610 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:41:56,611 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:41:56,612 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_02d7f871-d026-4f51-8302-d6c868a92c5a/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label26.c [2019-11-20 09:41:56,687 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_02d7f871-d026-4f51-8302-d6c868a92c5a/bin/ukojak/data/3d25fcf6a/98a36c4dd8a14816a8871e871435cc73/FLAG196cd080a [2019-11-20 09:41:57,319 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:41:57,319 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_02d7f871-d026-4f51-8302-d6c868a92c5a/sv-benchmarks/c/eca-rers2012/Problem14_label26.c [2019-11-20 09:41:57,349 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_02d7f871-d026-4f51-8302-d6c868a92c5a/bin/ukojak/data/3d25fcf6a/98a36c4dd8a14816a8871e871435cc73/FLAG196cd080a [2019-11-20 09:41:57,521 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_02d7f871-d026-4f51-8302-d6c868a92c5a/bin/ukojak/data/3d25fcf6a/98a36c4dd8a14816a8871e871435cc73 [2019-11-20 09:41:57,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:41:57,528 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:41:57,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:41:57,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:41:57,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:41:57,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:41:57" (1/1) ... [2019-11-20 09:41:57,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@590e3a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:57, skipping insertion in model container [2019-11-20 09:41:57,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:41:57" (1/1) ... [2019-11-20 09:41:57,549 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:41:57,622 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:41:58,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:41:58,270 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:41:58,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:41:58,493 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:41:58,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:58 WrapperNode [2019-11-20 09:41:58,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:41:58,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:41:58,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:41:58,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:41:58,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:58" (1/1) ... [2019-11-20 09:41:58,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:58" (1/1) ... [2019-11-20 09:41:58,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:41:58,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:41:58,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:41:58,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:41:58,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:58" (1/1) ... [2019-11-20 09:41:58,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:58" (1/1) ... [2019-11-20 09:41:58,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:58" (1/1) ... [2019-11-20 09:41:58,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:58" (1/1) ... [2019-11-20 09:41:58,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:58" (1/1) ... [2019-11-20 09:41:58,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:58" (1/1) ... [2019-11-20 09:41:58,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:58" (1/1) ... [2019-11-20 09:41:58,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:41:58,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:41:58,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:41:58,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:41:58,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:41:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02d7f871-d026-4f51-8302-d6c868a92c5a/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 09:41:58,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:41:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:47:16,537 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:47:16,538 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 09:47:16,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:47:16 BoogieIcfgContainer [2019-11-20 09:47:16,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:47:16,540 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 09:47:16,540 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 09:47:16,549 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 09:47:16,549 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:47:16" (1/1) ... [2019-11-20 09:47:16,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:47:16,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:47:16,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-11-20 09:47:16,591 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-11-20 09:47:16,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 09:47:16,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:47:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:47:16,768 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 09:47:16,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:47:16,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-11-20 09:47:16,846 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-11-20 09:47:16,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 09:47:16,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:47:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:47:17,756 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 09:47:28,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:47:28,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2019-11-20 09:47:28,267 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2019-11-20 09:47:28,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 09:47:28,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:47:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:47:29,024 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 09:47:39,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:47:39,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2019-11-20 09:47:39,884 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2019-11-20 09:47:39,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 09:47:39,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:47:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:47:40,581 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 09:47:40,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:47:40,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2019-11-20 09:47:40,780 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2019-11-20 09:47:40,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 09:47:40,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:47:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:47:42,568 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 09:47:42,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:47:42,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 23 states and 39 transitions. [2019-11-20 09:47:42,887 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 39 transitions. [2019-11-20 09:47:42,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 09:47:42,888 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2019-11-20 09:47:42,897 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 09:47:43,012 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 21 [2019-11-20 09:47:43,238 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2019-11-20 09:47:43,360 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-11-20 09:47:43,460 INFO L569 CodeCheckObserver]: Invariant with dag size 21 [2019-11-20 09:47:43,472 INFO L569 CodeCheckObserver]: Invariant with dag size 52 [2019-11-20 09:47:43,475 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 09:47:43,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 09:47:43 ImpRootNode [2019-11-20 09:47:43,485 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 09:47:43,485 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:47:43,486 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:47:43,486 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:47:43,487 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:47:16" (3/4) ... [2019-11-20 09:47:43,490 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 09:47:43,523 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 216 nodes and edges [2019-11-20 09:47:43,526 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-11-20 09:47:43,529 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 09:47:43,531 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 09:47:43,718 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_02d7f871-d026-4f51-8302-d6c868a92c5a/bin/ukojak/witness.graphml [2019-11-20 09:47:43,719 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:47:43,720 INFO L168 Benchmark]: Toolchain (without parser) took 346192.51 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 351.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 207.0 MB. Max. memory is 11.5 GB. [2019-11-20 09:47:43,721 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:47:43,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 961.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -163.4 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-11-20 09:47:43,722 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2019-11-20 09:47:43,722 INFO L168 Benchmark]: Boogie Preprocessor took 108.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:47:43,722 INFO L168 Benchmark]: RCFGBuilder took 317794.47 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.2 MB). Free memory was 1.1 GB in the beginning and 764.2 MB in the end (delta: 329.8 MB). Peak memory consumption was 532.4 MB. Max. memory is 11.5 GB. [2019-11-20 09:47:43,723 INFO L168 Benchmark]: CodeCheck took 26945.48 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 33.0 MB). Free memory was 764.2 MB in the beginning and 1.1 GB in the end (delta: -355.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:47:43,723 INFO L168 Benchmark]: Witness Printer took 233.53 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2019-11-20 09:47:43,727 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: 26.3s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 180 SDtfs, 354 SDslu, 232 SDs, 0 SdLazy, 962 SolverSat, 192 SolverUnsat, 24 SolverUnknown, 0 SolverNotchecked, 71.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 489 GetRequests, 425 SyntacticMatches, 14 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1240 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.9s 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 || !(a21 == 8)) || !(a15 == 6)) || !(a24 == 1)) || a12 + 43 <= 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((!(((8 == a15 && 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 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 961.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -163.4 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 141.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 108.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 317794.47 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.2 MB). Free memory was 1.1 GB in the beginning and 764.2 MB in the end (delta: 329.8 MB). Peak memory consumption was 532.4 MB. Max. memory is 11.5 GB. * CodeCheck took 26945.48 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 33.0 MB). Free memory was 764.2 MB in the beginning and 1.1 GB in the end (delta: -355.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 233.53 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...