./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label55.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9f37d50f-72fb-4360-8930-1162b401611d/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9f37d50f-72fb-4360-8930-1162b401611d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9f37d50f-72fb-4360-8930-1162b401611d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9f37d50f-72fb-4360-8930-1162b401611d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label55.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9f37d50f-72fb-4360-8930-1162b401611d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9f37d50f-72fb-4360-8930-1162b401611d/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2a301598b894469c390b893ff55a4689df36f250 ...................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:16:26,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:16:26,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:16:26,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:16:26,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:16:26,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:16:26,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:16:26,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:16:26,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:16:26,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:16:26,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:16:26,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:16:26,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:16:26,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:16:26,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:16:26,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:16:26,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:16:26,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:16:26,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:16:26,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:16:26,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:16:26,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:16:26,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:16:26,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:16:26,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:16:26,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:16:26,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:16:26,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:16:26,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:16:26,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:16:26,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:16:26,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:16:26,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:16:26,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:16:26,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:16:26,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:16:26,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:16:26,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:16:26,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:16:26,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:16:26,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:16:26,805 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9f37d50f-72fb-4360-8930-1162b401611d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:16:26,834 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:16:26,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:16:26,835 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:16:26,836 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:16:26,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:16:26,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:16:26,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:16:26,838 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:16:26,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:16:26,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:16:26,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:16:26,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:16:26,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:16:26,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:16:26,844 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:16:26,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:16:26,844 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:16:26,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:16:26,845 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:16:26,846 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:16:26,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:16:26,846 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:16:26,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:16:26,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:16:26,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:16:26,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:16:26,848 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:16:26,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:16:26,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:16:26,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_9f37d50f-72fb-4360-8930-1162b401611d/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9f37d50f-72fb-4360-8930-1162b401611d/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a301598b894469c390b893ff55a4689df36f250 [2020-12-01 17:16:27,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:16:27,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:16:27,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:16:27,239 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:16:27,242 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:16:27,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9f37d50f-72fb-4360-8930-1162b401611d/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label55.c [2020-12-01 17:16:27,359 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9f37d50f-72fb-4360-8930-1162b401611d/bin/ukojak/data/32dd8467f/332278df34f94a69a16adff3d1bf7767/FLAG26f00eb19 [2020-12-01 17:16:28,117 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:16:28,118 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9f37d50f-72fb-4360-8930-1162b401611d/sv-benchmarks/c/eca-rers2012/Problem14_label55.c [2020-12-01 17:16:28,138 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9f37d50f-72fb-4360-8930-1162b401611d/bin/ukojak/data/32dd8467f/332278df34f94a69a16adff3d1bf7767/FLAG26f00eb19 [2020-12-01 17:16:28,306 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9f37d50f-72fb-4360-8930-1162b401611d/bin/ukojak/data/32dd8467f/332278df34f94a69a16adff3d1bf7767 [2020-12-01 17:16:28,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:16:28,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:16:28,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:16:28,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:16:28,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:16:28,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:16:28" (1/1) ... [2020-12-01 17:16:28,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51b63433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:28, skipping insertion in model container [2020-12-01 17:16:28,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:16:28" (1/1) ... [2020-12-01 17:16:28,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:16:28,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:16:29,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:16:29,037 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:16:29,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:16:29,391 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:16:29,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:29 WrapperNode [2020-12-01 17:16:29,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:16:29,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:16:29,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:16:29,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:16:29,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:29" (1/1) ... [2020-12-01 17:16:29,444 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:29" (1/1) ... [2020-12-01 17:16:29,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:16:29,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:16:29,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:16:29,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:16:29,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:29" (1/1) ... [2020-12-01 17:16:29,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:29" (1/1) ... [2020-12-01 17:16:29,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:29" (1/1) ... [2020-12-01 17:16:29,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:29" (1/1) ... [2020-12-01 17:16:29,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:29" (1/1) ... [2020-12-01 17:16:29,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:29" (1/1) ... [2020-12-01 17:16:29,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:29" (1/1) ... [2020-12-01 17:16:29,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:16:29,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:16:29,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:16:29,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:16:29,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9f37d50f-72fb-4360-8930-1162b401611d/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 [2020-12-01 17:16:29,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:16:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:16:29,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:16:29,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:16:47,677 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:16:47,678 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 17:16:47,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:16:47 BoogieIcfgContainer [2020-12-01 17:16:47,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:16:47,682 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:16:47,683 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:16:47,697 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:16:47,697 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:16:47" (1/1) ... [2020-12-01 17:16:47,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:16:47,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:47,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 17:16:47,756 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 17:16:47,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:16:47,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:48,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:48,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:48,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2020-12-01 17:16:48,272 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2020-12-01 17:16:48,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:16:48,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:49,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:50,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:50,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2020-12-01 17:16:50,111 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2020-12-01 17:16:50,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:16:50,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:51,570 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:53,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:53,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2020-12-01 17:16:53,209 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2020-12-01 17:16:53,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:16:53,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:54,113 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:54,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:54,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 50 transitions. [2020-12-01 17:16:54,518 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2020-12-01 17:16:54,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:16:54,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:18:19,923 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:18:20,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:18:20,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2020-12-01 17:18:20,692 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2020-12-01 17:18:20,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:18:20,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:18:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:19:30,915 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:19:34,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:19:34,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 48 states and 98 transitions. [2020-12-01 17:19:34,611 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 98 transitions. [2020-12-01 17:19:34,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:19:34,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:19:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:46,630 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:20:47,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:47,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 50 states and 100 transitions. [2020-12-01 17:20:47,098 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 100 transitions. [2020-12-01 17:20:47,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:20:47,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:21:57,308 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:21:57,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:21:57,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 51 states and 101 transitions. [2020-12-01 17:21:57,683 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 101 transitions. [2020-12-01 17:21:57,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:21:57,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:21:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:41,729 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2020-12-01 17:22:42,140 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:42,321 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2020-12-01 17:22:46,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:46,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 53 states and 117 transitions. [2020-12-01 17:22:46,138 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 117 transitions. [2020-12-01 17:22:46,140 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:22:46,140 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2020-12-01 17:22:46,149 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:22:46,371 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 35 [2020-12-01 17:22:46,610 WARN L197 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 35 [2020-12-01 17:22:46,827 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 35 [2020-12-01 17:22:47,039 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 36 [2020-12-01 17:22:47,040 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:22:47,045 INFO L569 CodeCheckObserver]: Invariant with dag size 33 [2020-12-01 17:22:47,056 INFO L569 CodeCheckObserver]: Invariant with dag size 34 [2020-12-01 17:22:47,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:22:47 ImpRootNode [2020-12-01 17:22:47,060 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:22:47,061 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:22:47,061 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:22:47,061 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:22:47,062 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:16:47" (3/4) ... [2020-12-01 17:22:47,067 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:22:47,134 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 220 nodes and edges [2020-12-01 17:22:47,136 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-12-01 17:22:47,139 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-01 17:22:47,141 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:22:47,400 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9f37d50f-72fb-4360-8930-1162b401611d/bin/ukojak/witness.graphml [2020-12-01 17:22:47,400 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:22:47,402 INFO L168 Benchmark]: Toolchain (without parser) took 379090.14 ms. Allocated memory was 81.8 MB in the beginning and 3.5 GB in the end (delta: 3.4 GB). Free memory was 49.7 MB in the beginning and 2.9 GB in the end (delta: -2.8 GB). Peak memory consumption was 561.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:22:47,403 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 81.8 MB. Free memory was 42.8 MB in the beginning and 42.8 MB in the end (delta: 43.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:22:47,403 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1078.98 ms. Allocated memory was 81.8 MB in the beginning and 107.0 MB in the end (delta: 25.2 MB). Free memory was 49.4 MB in the beginning and 62.6 MB in the end (delta: -13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:22:47,404 INFO L168 Benchmark]: Boogie Procedure Inliner took 174.34 ms. Allocated memory is still 107.0 MB. Free memory was 62.6 MB in the beginning and 52.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:22:47,405 INFO L168 Benchmark]: Boogie Preprocessor took 157.92 ms. Allocated memory is still 107.0 MB. Free memory was 52.7 MB in the beginning and 46.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:22:47,405 INFO L168 Benchmark]: RCFGBuilder took 17952.15 ms. Allocated memory was 107.0 MB in the beginning and 1.0 GB in the end (delta: 903.9 MB). Free memory was 46.4 MB in the beginning and 794.1 MB in the end (delta: -747.7 MB). Peak memory consumption was 336.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:22:47,406 INFO L168 Benchmark]: CodeCheck took 359378.03 ms. Allocated memory was 1.0 GB in the beginning and 3.5 GB in the end (delta: 2.5 GB). Free memory was 794.1 MB in the beginning and 2.9 GB in the end (delta: -2.1 GB). Peak memory consumption was 355.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:22:47,407 INFO L168 Benchmark]: Witness Printer took 339.88 ms. Allocated memory is still 3.5 GB. Free memory was 2.9 GB in the beginning and 2.9 GB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:22:47,410 INFO L339 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. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 358.4s, OverallIterations: 10, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3116 SDtfs, 6876 SDslu, 4184 SDs, 0 SdLazy, 20196 SolverSat, 3204 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1514 GetRequests, 1302 SyntacticMatches, 58 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12790 ImplicationChecksByTransitivity, 11.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 6.2s SatisfiabilityAnalysisTime, 339.4s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 41492 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 0/207 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: 12]: 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: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((((a15 <= 8 && ((8 <= a15 || 8 <= a21) || a21 <= 6)) || !(a24 == 1)) || a12 <= 80) || 10 <= a15) || a21 <= 5) || (8 < a15 && (((9 <= a21 || a21 == 8) || a12 <= 599999) || 7 == a21))) || a15 <= 6 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((a15 <= 8 && (7 < a15 || a15 <= 6)) || !(a24 == 1)) || 10 <= a15) || a12 <= 80) || (!(a21 == 6) && 8 < a15)) || (!(a21 <= 7 && 6 < a21) && a15 <= 8)) || (!(7 == a21) && a12 <= 599999) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 81.8 MB. Free memory was 42.8 MB in the beginning and 42.8 MB in the end (delta: 43.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1078.98 ms. Allocated memory was 81.8 MB in the beginning and 107.0 MB in the end (delta: 25.2 MB). Free memory was 49.4 MB in the beginning and 62.6 MB in the end (delta: -13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 174.34 ms. Allocated memory is still 107.0 MB. Free memory was 62.6 MB in the beginning and 52.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 157.92 ms. Allocated memory is still 107.0 MB. Free memory was 52.7 MB in the beginning and 46.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 17952.15 ms. Allocated memory was 107.0 MB in the beginning and 1.0 GB in the end (delta: 903.9 MB). Free memory was 46.4 MB in the beginning and 794.1 MB in the end (delta: -747.7 MB). Peak memory consumption was 336.1 MB. Max. memory is 16.1 GB. * CodeCheck took 359378.03 ms. Allocated memory was 1.0 GB in the beginning and 3.5 GB in the end (delta: 2.5 GB). Free memory was 794.1 MB in the beginning and 2.9 GB in the end (delta: -2.1 GB). Peak memory consumption was 355.8 MB. Max. memory is 16.1 GB. * Witness Printer took 339.88 ms. Allocated memory is still 3.5 GB. Free memory was 2.9 GB in the beginning and 2.9 GB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...