./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label34.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_4188bf3f-2899-40bb-bb0f-a74565f92a54/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4188bf3f-2899-40bb-bb0f-a74565f92a54/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4188bf3f-2899-40bb-bb0f-a74565f92a54/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4188bf3f-2899-40bb-bb0f-a74565f92a54/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label34.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4188bf3f-2899-40bb-bb0f-a74565f92a54/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4188bf3f-2899-40bb-bb0f-a74565f92a54/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 fbcb07371208327a722ea46e4a68d92ffffb2dff ................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:47:29,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:47:29,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:47:29,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:47:29,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:47:29,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:47:29,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:47:29,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:47:29,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:47:29,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:47:29,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:47:29,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:47:29,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:47:29,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:47:29,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:47:29,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:47:29,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:47:29,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:47:29,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:47:29,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:47:29,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:47:29,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:47:29,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:47:29,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:47:29,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:47:29,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:47:29,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:47:29,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:47:29,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:47:29,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:47:29,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:47:29,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:47:29,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:47:29,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:47:29,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:47:29,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:47:29,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:47:29,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:47:29,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:47:29,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:47:29,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:47:29,553 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4188bf3f-2899-40bb-bb0f-a74565f92a54/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-19 22:47:29,565 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:47:29,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:47:29,566 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 22:47:29,566 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 22:47:29,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:47:29,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:47:29,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:47:29,567 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:47:29,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:47:29,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:47:29,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:47:29,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:47:29,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:47:29,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:47:29,568 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:47:29,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:47:29,569 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:47:29,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:47:29,569 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 22:47:29,569 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 22:47:29,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:47:29,570 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:47:29,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 22:47:29,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:47:29,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:47:29,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:47:29,570 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 22:47:29,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:47:29,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:47:29,571 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_4188bf3f-2899-40bb-bb0f-a74565f92a54/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 -> fbcb07371208327a722ea46e4a68d92ffffb2dff [2019-11-19 22:47:29,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:47:29,728 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:47:29,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:47:29,732 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:47:29,732 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:47:29,733 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4188bf3f-2899-40bb-bb0f-a74565f92a54/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label34.c [2019-11-19 22:47:29,792 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4188bf3f-2899-40bb-bb0f-a74565f92a54/bin/ukojak/data/867d9b11b/3bb0a5aea93b4e16a41e0cec389ac378/FLAG15454ff07 [2019-11-19 22:47:30,272 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:47:30,273 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4188bf3f-2899-40bb-bb0f-a74565f92a54/sv-benchmarks/c/eca-rers2012/Problem10_label34.c [2019-11-19 22:47:30,282 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4188bf3f-2899-40bb-bb0f-a74565f92a54/bin/ukojak/data/867d9b11b/3bb0a5aea93b4e16a41e0cec389ac378/FLAG15454ff07 [2019-11-19 22:47:30,523 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4188bf3f-2899-40bb-bb0f-a74565f92a54/bin/ukojak/data/867d9b11b/3bb0a5aea93b4e16a41e0cec389ac378 [2019-11-19 22:47:30,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:47:30,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:47:30,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:47:30,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:47:30,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:47:30,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:47:30" (1/1) ... [2019-11-19 22:47:30,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da7bad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:30, skipping insertion in model container [2019-11-19 22:47:30,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:47:30" (1/1) ... [2019-11-19 22:47:30,547 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:47:30,601 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:47:31,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:47:31,057 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:47:31,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:47:31,211 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:47:31,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:31 WrapperNode [2019-11-19 22:47:31,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:47:31,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:47:31,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:47:31,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:47:31,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:31" (1/1) ... [2019-11-19 22:47:31,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:31" (1/1) ... [2019-11-19 22:47:31,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:47:31,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:47:31,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:47:31,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:47:31,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:31" (1/1) ... [2019-11-19 22:47:31,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:31" (1/1) ... [2019-11-19 22:47:31,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:31" (1/1) ... [2019-11-19 22:47:31,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:31" (1/1) ... [2019-11-19 22:47:31,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:31" (1/1) ... [2019-11-19 22:47:31,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:31" (1/1) ... [2019-11-19 22:47:31,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:31" (1/1) ... [2019-11-19 22:47:31,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:47:31,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:47:31,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:47:31,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:47:31,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:47:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4188bf3f-2899-40bb-bb0f-a74565f92a54/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 [2019-11-19 22:47:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:47:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:48:47,349 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:48:47,350 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 22:48:47,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:48:47 BoogieIcfgContainer [2019-11-19 22:48:47,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:48:47,352 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 22:48:47,352 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 22:48:47,363 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 22:48:47,363 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:48:47" (1/1) ... [2019-11-19 22:48:47,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:48:47,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:48:47,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-11-19 22:48:47,400 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-11-19 22:48:47,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-19 22:48:47,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:48:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:48:47,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:48:47,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:48:47,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-11-19 22:48:47,638 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-11-19 22:48:47,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-19 22:48:47,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:48:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:48:48,070 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:48:48,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:48:48,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2019-11-19 22:48:48,429 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2019-11-19 22:48:48,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 22:48:48,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:48:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:48:49,239 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2019-11-19 22:48:49,418 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:03,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:03,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 30 states and 56 transitions. [2019-11-19 22:49:03,559 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 56 transitions. [2019-11-19 22:49:03,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 22:49:03,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:03,909 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:04,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:04,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 32 states and 63 transitions. [2019-11-19 22:49:04,261 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 63 transitions. [2019-11-19 22:49:04,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 22:49:04,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:04,658 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:04,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:04,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 64 transitions. [2019-11-19 22:49:04,860 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 64 transitions. [2019-11-19 22:49:04,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 22:49:04,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:06,353 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 22:49:08,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:08,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2019-11-19 22:49:08,001 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2019-11-19 22:49:08,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 22:49:08,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:08,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:08,804 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 22:49:09,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:09,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 40 states and 82 transitions. [2019-11-19 22:49:09,115 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 82 transitions. [2019-11-19 22:49:09,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 22:49:09,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:09,912 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 22:49:10,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:10,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 84 transitions. [2019-11-19 22:49:10,306 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2019-11-19 22:49:10,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-19 22:49:10,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:10,985 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-19 22:49:12,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:12,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 46 states and 94 transitions. [2019-11-19 22:49:12,252 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 94 transitions. [2019-11-19 22:49:12,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-19 22:49:12,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:12,793 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-19 22:49:23,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:23,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 50 states and 97 transitions. [2019-11-19 22:49:23,690 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 97 transitions. [2019-11-19 22:49:23,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-19 22:49:23,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:24,183 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-19 22:49:24,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:24,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 51 states and 97 transitions. [2019-11-19 22:49:24,477 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 97 transitions. [2019-11-19 22:49:24,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 22:49:24,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:25,859 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 18 [2019-11-19 22:49:26,770 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 22:49:27,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:27,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 27 states and 55 transitions. [2019-11-19 22:49:27,570 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 55 transitions. [2019-11-19 22:49:27,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 22:49:27,571 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2019-11-19 22:49:27,579 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-19 22:49:27,697 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 21 [2019-11-19 22:49:27,944 INFO L569 CodeCheckObserver]: Invariant with dag size 21 [2019-11-19 22:49:27,955 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2019-11-19 22:49:27,956 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:49:27,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 10:49:27 ImpRootNode [2019-11-19 22:49:27,957 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 22:49:27,958 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:49:27,958 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:49:27,958 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:49:27,958 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:48:47" (3/4) ... [2019-11-19 22:49:27,961 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 22:49:27,980 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 177 nodes and edges [2019-11-19 22:49:27,982 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-11-19 22:49:27,984 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-19 22:49:27,986 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 22:49:28,116 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4188bf3f-2899-40bb-bb0f-a74565f92a54/bin/ukojak/witness.graphml [2019-11-19 22:49:28,117 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:49:28,118 INFO L168 Benchmark]: Toolchain (without parser) took 117589.57 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 562.6 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -208.6 MB). Peak memory consumption was 354.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:49:28,118 INFO L168 Benchmark]: CDTParser took 0.17 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. [2019-11-19 22:49:28,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:49:28,119 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.70 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:49:28,119 INFO L168 Benchmark]: Boogie Preprocessor took 110.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:49:28,120 INFO L168 Benchmark]: RCFGBuilder took 75933.28 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -30.6 MB). Peak memory consumption was 317.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:49:28,120 INFO L168 Benchmark]: CodeCheck took 40605.11 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 333.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -45.5 MB). Peak memory consumption was 288.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:49:28,121 INFO L168 Benchmark]: Witness Printer took 159.27 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:49:28,123 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: 40.1s, OverallIterations: 13, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 25988 SDtfs, 51680 SDslu, 35592 SDs, 0 SdLazy, 162762 SolverSat, 21750 SolverUnsat, 1032 SolverUnknown, 0 SolverNotchecked, 168.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1962 GetRequests, 1707 SyntacticMatches, 123 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11227 ImplicationChecksByTransitivity, 9.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 38672 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 92/259 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: 193]: 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: 582]: Loop Invariant Derived loop invariant: ((14 == a4 && a12 == 0) && (!(a10 == 3) || !(a19 == 7))) || ((a1 <= 218 && 14 == a4) && a12 == 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((14 == a4 && a12 == 0) && (!(a10 == 3) || !(a19 == 7))) || ((14 == a4 && !(218 < a1)) && a12 == 0) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 678.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.70 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 110.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 75933.28 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -30.6 MB). Peak memory consumption was 317.0 MB. Max. memory is 11.5 GB. * CodeCheck took 40605.11 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 333.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -45.5 MB). Peak memory consumption was 288.0 MB. Max. memory is 11.5 GB. * Witness Printer took 159.27 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...