./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label59.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_2a2fdaf4-9445-4b64-a08c-1e8a90ec3f44/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2a2fdaf4-9445-4b64-a08c-1e8a90ec3f44/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2a2fdaf4-9445-4b64-a08c-1e8a90ec3f44/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2a2fdaf4-9445-4b64-a08c-1e8a90ec3f44/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label59.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2a2fdaf4-9445-4b64-a08c-1e8a90ec3f44/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2a2fdaf4-9445-4b64-a08c-1e8a90ec3f44/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 cd49ee55b8bfea9603e56979fc9b465dad3bc7ef .............................................................................................................................................................................................................................................................................................. 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 17:27:00,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:27:00,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:27:00,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:27:00,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:27:00,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:27:00,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:27:00,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:27:00,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:27:00,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:27:00,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:27:00,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:27:00,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:27:00,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:27:00,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:27:00,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:27:00,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:27:00,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:27:00,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:27:00,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:27:00,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:27:00,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:27:00,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:27:00,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:27:00,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:27:00,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:27:00,830 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:27:00,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:27:00,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:27:00,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:27:00,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:27:00,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:27:00,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:27:00,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:27:00,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:27:00,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:27:00,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:27:00,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:27:00,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:27:00,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:27:00,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:27:00,845 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2a2fdaf4-9445-4b64-a08c-1e8a90ec3f44/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:27:00,871 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:27:00,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:27:00,872 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:27:00,873 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:27:00,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:27:00,874 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:27:00,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:27:00,875 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:27:00,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:27:00,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:27:00,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:27:00,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:27:00,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:27:00,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:27:00,878 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:27:00,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:27:00,878 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:27:00,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:27:00,879 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:27:00,880 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:27:00,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:27:00,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:27:00,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:27:00,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:27:00,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:27:00,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:27:00,882 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:27:00,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:27:00,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:27:00,883 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_2a2fdaf4-9445-4b64-a08c-1e8a90ec3f44/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2a2fdaf4-9445-4b64-a08c-1e8a90ec3f44/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd49ee55b8bfea9603e56979fc9b465dad3bc7ef [2020-12-01 17:27:01,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:27:01,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:27:01,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:27:01,227 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:27:01,231 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:27:01,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2a2fdaf4-9445-4b64-a08c-1e8a90ec3f44/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem16_label59.c [2020-12-01 17:27:01,334 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2a2fdaf4-9445-4b64-a08c-1e8a90ec3f44/bin/ukojak/data/be9c787cf/b5d4a905d4974e7ca87e98b79a79b6b4/FLAG5ffbf6afe [2020-12-01 17:27:02,237 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:27:02,239 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2a2fdaf4-9445-4b64-a08c-1e8a90ec3f44/sv-benchmarks/c/eca-rers2012/Problem16_label59.c [2020-12-01 17:27:02,273 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2a2fdaf4-9445-4b64-a08c-1e8a90ec3f44/bin/ukojak/data/be9c787cf/b5d4a905d4974e7ca87e98b79a79b6b4/FLAG5ffbf6afe [2020-12-01 17:27:02,760 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2a2fdaf4-9445-4b64-a08c-1e8a90ec3f44/bin/ukojak/data/be9c787cf/b5d4a905d4974e7ca87e98b79a79b6b4 [2020-12-01 17:27:02,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:27:02,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:27:02,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:27:02,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:27:02,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:27:02,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:27:02" (1/1) ... [2020-12-01 17:27:02,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d29158c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:02, skipping insertion in model container [2020-12-01 17:27:02,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:27:02" (1/1) ... [2020-12-01 17:27:02,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:27:02,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:27:03,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:27:03,955 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:27:04,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:27:04,329 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:27:04,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:04 WrapperNode [2020-12-01 17:27:04,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:27:04,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:27:04,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:27:04,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:27:04,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:04" (1/1) ... [2020-12-01 17:27:04,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:04" (1/1) ... [2020-12-01 17:27:04,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:27:04,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:27:04,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:27:04,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:27:04,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:04" (1/1) ... [2020-12-01 17:27:04,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:04" (1/1) ... [2020-12-01 17:27:04,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:04" (1/1) ... [2020-12-01 17:27:04,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:04" (1/1) ... [2020-12-01 17:27:04,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:04" (1/1) ... [2020-12-01 17:27:04,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:04" (1/1) ... [2020-12-01 17:27:04,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:04" (1/1) ... [2020-12-01 17:27:04,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:27:04,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:27:04,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:27:04,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:27:04,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:27:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2a2fdaf4-9445-4b64-a08c-1e8a90ec3f44/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 17:27:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:27:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:27:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:27:04,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:28:58,669 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:28:58,670 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-01 17:28:58,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:28:58 BoogieIcfgContainer [2020-12-01 17:28:58,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:28:58,674 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:28:58,674 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:28:58,685 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:28:58,685 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:28:58" (1/1) ... [2020-12-01 17:28:58,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:28:58,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:58,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 17:28:58,758 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 17:28:58,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:28:58,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:28:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:28:59,056 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 17:28:59,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:28:59,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 17:28:59,310 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 17:28:59,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:28:59,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:29:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:29:01,503 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 17:29:02,058 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2020-12-01 17:29:02,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:29:02,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2020-12-01 17:29:02,924 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2020-12-01 17:29:02,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:29:02,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:29:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:29:05,609 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2020-12-01 17:29:05,799 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 17:29:06,209 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2020-12-01 17:29:06,707 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2020-12-01 17:29:08,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:29:08,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2020-12-01 17:29:08,086 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2020-12-01 17:29:08,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:29:08,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:29:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:29:10,772 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 17:29:11,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:29:11,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2020-12-01 17:29:11,430 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2020-12-01 17:29:11,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:29:11,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:29:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:29:36,790 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2020-12-01 17:29:37,162 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2020-12-01 17:29:37,337 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 17:29:38,484 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2020-12-01 17:29:38,788 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2020-12-01 17:29:39,235 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-12-01 17:29:45,652 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 25 [2020-12-01 17:29:45,861 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-12-01 17:29:46,480 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-12-01 17:29:46,832 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-12-01 17:29:47,055 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2020-12-01 17:29:48,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:29:48,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2020-12-01 17:29:48,592 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2020-12-01 17:29:48,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:29:48,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:29:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:30:05,229 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 17:30:05,393 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2020-12-01 17:30:05,556 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 23 [2020-12-01 17:30:06,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:30:06,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 43 states and 79 transitions. [2020-12-01 17:30:06,298 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2020-12-01 17:30:06,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:30:06,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:30:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:30:20,745 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 17:30:21,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:30:21,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2020-12-01 17:30:21,657 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2020-12-01 17:30:21,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:30:21,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:30:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:30:26,142 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-01 17:30:26,446 WARN L197 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-12-01 17:30:27,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:30:27,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 81 transitions. [2020-12-01 17:30:27,577 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2020-12-01 17:30:27,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:30:27,579 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2020-12-01 17:30:27,587 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:30:27,938 WARN L197 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 22 [2020-12-01 17:30:28,254 WARN L197 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 22 [2020-12-01 17:30:28,501 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 22 [2020-12-01 17:30:28,813 WARN L197 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 22 [2020-12-01 17:30:28,813 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:30:28,818 INFO L569 CodeCheckObserver]: Invariant with dag size 20 [2020-12-01 17:30:28,826 INFO L569 CodeCheckObserver]: Invariant with dag size 20 [2020-12-01 17:30:28,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:30:28 ImpRootNode [2020-12-01 17:30:28,827 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:30:28,828 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:30:28,828 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:30:28,828 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:30:28,832 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:28:58" (3/4) ... [2020-12-01 17:30:28,835 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:30:28,897 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 371 nodes and edges [2020-12-01 17:30:28,903 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 17:30:28,910 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-01 17:30:28,916 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:30:29,214 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2a2fdaf4-9445-4b64-a08c-1e8a90ec3f44/bin/ukojak/witness.graphml [2020-12-01 17:30:29,215 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:30:29,216 INFO L168 Benchmark]: Toolchain (without parser) took 206449.86 ms. Allocated memory was 100.7 MB in the beginning and 6.0 GB in the end (delta: 5.9 GB). Free memory was 68.2 MB in the beginning and 2.9 GB in the end (delta: -2.8 GB). Peak memory consumption was 3.1 GB. Max. memory is 16.1 GB. [2020-12-01 17:30:29,216 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 79.7 MB. Free memory was 47.8 MB in the beginning and 47.8 MB in the end (delta: 37.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:30:29,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1555.66 ms. Allocated memory is still 100.7 MB. Free memory was 68.0 MB in the beginning and 48.7 MB in the end (delta: 19.3 MB). Peak memory consumption was 40.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:30:29,217 INFO L168 Benchmark]: Boogie Procedure Inliner took 322.91 ms. Allocated memory is still 100.7 MB. Free memory was 48.7 MB in the beginning and 57.8 MB in the end (delta: -9.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:30:29,218 INFO L168 Benchmark]: Boogie Preprocessor took 202.29 ms. Allocated memory is still 100.7 MB. Free memory was 57.8 MB in the beginning and 43.3 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:30:29,218 INFO L168 Benchmark]: RCFGBuilder took 113813.36 ms. Allocated memory was 100.7 MB in the beginning and 6.0 GB in the end (delta: 5.9 GB). Free memory was 43.3 MB in the beginning and 5.3 GB in the end (delta: -5.3 GB). Peak memory consumption was 757.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:30:29,219 INFO L168 Benchmark]: CodeCheck took 90153.89 ms. Allocated memory is still 6.0 GB. Free memory was 5.3 GB in the beginning and 2.9 GB in the end (delta: 2.4 GB). Peak memory consumption was 2.4 GB. Max. memory is 16.1 GB. [2020-12-01 17:30:29,219 INFO L168 Benchmark]: Witness Printer took 387.01 ms. Allocated memory is still 6.0 GB. Free memory was 2.9 GB in the beginning and 2.9 GB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:30:29,222 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: 88.8s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1596 SDtfs, 3048 SDslu, 2168 SDs, 0 SdLazy, 8440 SolverSat, 1396 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 45.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1080 GetRequests, 964 SyntacticMatches, 32 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3419 ImplicationChecksByTransitivity, 9.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 10.3s SatisfiabilityAnalysisTime, 58.8s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 27144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 36/122 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 13]: 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: 1777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((a16 <= 10 || a12 <= 4) || 12 <= a16) || !(a15 == 3)) || 0 < a18 + 156) || 6 <= a12 - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((a16 <= 10 || a12 <= 4) || 12 <= a16) || !(a15 == 3)) || 0 < a18 + 156) || 6 <= a12 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 79.7 MB. Free memory was 47.8 MB in the beginning and 47.8 MB in the end (delta: 37.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1555.66 ms. Allocated memory is still 100.7 MB. Free memory was 68.0 MB in the beginning and 48.7 MB in the end (delta: 19.3 MB). Peak memory consumption was 40.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 322.91 ms. Allocated memory is still 100.7 MB. Free memory was 48.7 MB in the beginning and 57.8 MB in the end (delta: -9.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 202.29 ms. Allocated memory is still 100.7 MB. Free memory was 57.8 MB in the beginning and 43.3 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 113813.36 ms. Allocated memory was 100.7 MB in the beginning and 6.0 GB in the end (delta: 5.9 GB). Free memory was 43.3 MB in the beginning and 5.3 GB in the end (delta: -5.3 GB). Peak memory consumption was 757.5 MB. Max. memory is 16.1 GB. * CodeCheck took 90153.89 ms. Allocated memory is still 6.0 GB. Free memory was 5.3 GB in the beginning and 2.9 GB in the end (delta: 2.4 GB). Peak memory consumption was 2.4 GB. Max. memory is 16.1 GB. * Witness Printer took 387.01 ms. Allocated memory is still 6.0 GB. Free memory was 2.9 GB in the beginning and 2.9 GB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...