./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label44.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6040b274-74bc-4d14-a2f5-e12b32470dfa/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6040b274-74bc-4d14-a2f5-e12b32470dfa/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6040b274-74bc-4d14-a2f5-e12b32470dfa/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6040b274-74bc-4d14-a2f5-e12b32470dfa/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label44.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6040b274-74bc-4d14-a2f5-e12b32470dfa/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6040b274-74bc-4d14-a2f5-e12b32470dfa/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 1bebc36463b2e0e304b25e3a315802f5e039b1f9 .......................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 14:38:22,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 14:38:22,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 14:38:22,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 14:38:22,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 14:38:22,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 14:38:22,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 14:38:22,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 14:38:22,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 14:38:22,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 14:38:22,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 14:38:22,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 14:38:22,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 14:38:22,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 14:38:22,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 14:38:22,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 14:38:22,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 14:38:22,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 14:38:22,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 14:38:22,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 14:38:22,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 14:38:22,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 14:38:22,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 14:38:22,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 14:38:22,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 14:38:22,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 14:38:22,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 14:38:22,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 14:38:22,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 14:38:22,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 14:38:22,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 14:38:22,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 14:38:22,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 14:38:22,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 14:38:22,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 14:38:22,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 14:38:22,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 14:38:22,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 14:38:22,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 14:38:22,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 14:38:22,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 14:38:22,421 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6040b274-74bc-4d14-a2f5-e12b32470dfa/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 14:38:22,430 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 14:38:22,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 14:38:22,431 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 14:38:22,431 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 14:38:22,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 14:38:22,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 14:38:22,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 14:38:22,432 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 14:38:22,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 14:38:22,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 14:38:22,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 14:38:22,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 14:38:22,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 14:38:22,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 14:38:22,433 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 14:38:22,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 14:38:22,433 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 14:38:22,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 14:38:22,433 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 14:38:22,433 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 14:38:22,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 14:38:22,434 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 14:38:22,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 14:38:22,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 14:38:22,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 14:38:22,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 14:38:22,434 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 14:38:22,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 14:38:22,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 14:38:22,435 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_6040b274-74bc-4d14-a2f5-e12b32470dfa/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 -> 1bebc36463b2e0e304b25e3a315802f5e039b1f9 [2019-12-01 14:38:22,535 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 14:38:22,544 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 14:38:22,547 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 14:38:22,548 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 14:38:22,548 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 14:38:22,549 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6040b274-74bc-4d14-a2f5-e12b32470dfa/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label44.c [2019-12-01 14:38:22,590 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6040b274-74bc-4d14-a2f5-e12b32470dfa/bin/ukojak/data/1eadd7ab8/5de467400c8d406fb0e920d3496dc588/FLAG17c77a4f0 [2019-12-01 14:38:23,028 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 14:38:23,029 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6040b274-74bc-4d14-a2f5-e12b32470dfa/sv-benchmarks/c/eca-rers2012/Problem10_label44.c [2019-12-01 14:38:23,037 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6040b274-74bc-4d14-a2f5-e12b32470dfa/bin/ukojak/data/1eadd7ab8/5de467400c8d406fb0e920d3496dc588/FLAG17c77a4f0 [2019-12-01 14:38:23,366 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6040b274-74bc-4d14-a2f5-e12b32470dfa/bin/ukojak/data/1eadd7ab8/5de467400c8d406fb0e920d3496dc588 [2019-12-01 14:38:23,370 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 14:38:23,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 14:38:23,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 14:38:23,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 14:38:23,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 14:38:23,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:38:23" (1/1) ... [2019-12-01 14:38:23,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8499f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:38:23, skipping insertion in model container [2019-12-01 14:38:23,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:38:23" (1/1) ... [2019-12-01 14:38:23,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 14:38:23,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 14:38:23,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 14:38:23,664 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 14:38:23,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 14:38:23,727 INFO L208 MainTranslator]: Completed translation [2019-12-01 14:38:23,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:38:23 WrapperNode [2019-12-01 14:38:23,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 14:38:23,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 14:38:23,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 14:38:23,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 14:38:23,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:38:23" (1/1) ... [2019-12-01 14:38:23,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:38:23" (1/1) ... [2019-12-01 14:38:23,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 14:38:23,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 14:38:23,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 14:38:23,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 14:38:23,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:38:23" (1/1) ... [2019-12-01 14:38:23,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:38:23" (1/1) ... [2019-12-01 14:38:23,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:38:23" (1/1) ... [2019-12-01 14:38:23,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:38:23" (1/1) ... [2019-12-01 14:38:23,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:38:23" (1/1) ... [2019-12-01 14:38:23,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:38:23" (1/1) ... [2019-12-01 14:38:23,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:38:23" (1/1) ... [2019-12-01 14:38:23,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 14:38:23,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 14:38:23,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 14:38:23,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 14:38:23,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:38:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6040b274-74bc-4d14-a2f5-e12b32470dfa/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 14:38:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 14:38:23,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 14:40:17,680 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 14:40:17,680 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 14:40:17,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:40:17 BoogieIcfgContainer [2019-12-01 14:40:17,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 14:40:17,681 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 14:40:17,682 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 14:40:17,688 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 14:40:17,688 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:40:17" (1/1) ... [2019-12-01 14:40:17,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 14:40:17,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:40:17,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-12-01 14:40:17,717 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-12-01 14:40:17,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 14:40:17,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:40:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:40:17,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:40:17,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:40:17,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-12-01 14:40:17,919 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-12-01 14:40:17,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 14:40:17,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:40:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:40:18,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:40:18,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:40:18,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2019-12-01 14:40:18,666 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2019-12-01 14:40:18,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 14:40:18,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:40:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:40:19,293 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:40:20,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:40:20,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 54 transitions. [2019-12-01 14:40:20,185 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 54 transitions. [2019-12-01 14:40:20,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 14:40:20,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:40:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:40:20,476 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:40:20,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:40:20,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 32 states and 61 transitions. [2019-12-01 14:40:20,826 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 61 transitions. [2019-12-01 14:40:20,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 14:40:20,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:40:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:40:21,263 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 14:40:23,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:40:23,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 36 states and 71 transitions. [2019-12-01 14:40:23,903 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 71 transitions. [2019-12-01 14:40:23,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 14:40:23,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:40:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:40:24,137 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 14:40:24,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:40:24,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 76 transitions. [2019-12-01 14:40:24,563 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2019-12-01 14:40:24,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 14:40:24,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:40:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:40:24,769 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 14:40:25,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:40:25,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 27 states and 53 transitions. [2019-12-01 14:40:25,022 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 53 transitions. [2019-12-01 14:40:25,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 14:40:25,023 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2019-12-01 14:40:25,029 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 14:40:25,356 INFO L569 CodeCheckObserver]: Invariant with dag size 32 [2019-12-01 14:40:25,365 INFO L569 CodeCheckObserver]: Invariant with dag size 29 [2019-12-01 14:40:25,367 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 14:40:25,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 02:40:25 ImpRootNode [2019-12-01 14:40:25,367 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 14:40:25,368 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 14:40:25,368 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 14:40:25,368 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 14:40:25,368 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:40:17" (3/4) ... [2019-12-01 14:40:25,371 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 14:40:25,387 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2019-12-01 14:40:25,388 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-12-01 14:40:25,390 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 14:40:25,391 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 14:40:25,514 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6040b274-74bc-4d14-a2f5-e12b32470dfa/bin/ukojak/witness.graphml [2019-12-01 14:40:25,514 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 14:40:25,516 INFO L168 Benchmark]: Toolchain (without parser) took 122143.86 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 337.1 MB). Free memory was 940.9 MB in the beginning and 1.3 GB in the end (delta: -335.3 MB). Peak memory consumption was 449.5 MB. Max. memory is 11.5 GB. [2019-12-01 14:40:25,516 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 14:40:25,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-12-01 14:40:25,517 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.71 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-01 14:40:25,517 INFO L168 Benchmark]: Boogie Preprocessor took 66.35 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-12-01 14:40:25,518 INFO L168 Benchmark]: RCFGBuilder took 113832.08 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -144.6 MB). Peak memory consumption was 482.0 MB. Max. memory is 11.5 GB. [2019-12-01 14:40:25,518 INFO L168 Benchmark]: CodeCheck took 7685.89 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: -13.1 MB). Free memory was 1.2 GB in the beginning and 824.7 MB in the end (delta: 424.3 MB). Peak memory consumption was 411.1 MB. Max. memory is 11.5 GB. [2019-12-01 14:40:25,518 INFO L168 Benchmark]: Witness Printer took 146.45 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 16.3 MB). Free memory was 824.7 MB in the beginning and 1.3 GB in the end (delta: -451.5 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2019-12-01 14:40:25,520 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: 7.3s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 828 SDtfs, 1678 SDslu, 1144 SDs, 0 SdLazy, 4978 SolverSat, 616 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 928 GetRequests, 788 SyntacticMatches, 52 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3977 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 16380 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 12/86 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: 582]: Loop Invariant Derived loop invariant: ((((14 == a4 && !(a19 == 8)) && a12 == 0) || ((23 <= a1 && a1 <= 23) && a19 == 9)) || ((14 == a4 && ((39 <= a1 || !(a10 == 1)) || a1 + 13 <= 0)) && a12 == 0)) || a19 == 10 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((219 <= a1 && 14 == a4) && a12 == 0) || ((23 <= a1 && a1 <= 23) && a19 == 9)) || ((14 == a4 && a12 == 0) && (!(a19 == 8) || !(a10 == 1)))) || a19 == 10 - 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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 354.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.71 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.35 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 113832.08 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 180.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -144.6 MB). Peak memory consumption was 482.0 MB. Max. memory is 11.5 GB. * CodeCheck took 7685.89 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: -13.1 MB). Free memory was 1.2 GB in the beginning and 824.7 MB in the end (delta: 424.3 MB). Peak memory consumption was 411.1 MB. Max. memory is 11.5 GB. * Witness Printer took 146.45 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 16.3 MB). Free memory was 824.7 MB in the beginning and 1.3 GB in the end (delta: -451.5 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...