./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_10b1f1fb-efd0-48a0-84f2-5d9df2baf489/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_10b1f1fb-efd0-48a0-84f2-5d9df2baf489/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_10b1f1fb-efd0-48a0-84f2-5d9df2baf489/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_10b1f1fb-efd0-48a0-84f2-5d9df2baf489/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label44.c -s /tmp/vcloud-vcloud-master/worker/run_dir_10b1f1fb-efd0-48a0-84f2-5d9df2baf489/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_10b1f1fb-efd0-48a0-84f2-5d9df2baf489/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 e00c90c179b1d28da1ba54b907e99f33c2ce0217 ...................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:47:13,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:47:13,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:47:13,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:47:13,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:47:13,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:47:13,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:47:13,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:47:13,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:47:13,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:47:13,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:47:13,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:47:13,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:47:13,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:47:13,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:47:13,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:47:13,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:47:13,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:47:13,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:47:13,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:47:13,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:47:13,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:47:13,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:47:13,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:47:13,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:47:13,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:47:13,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:47:13,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:47:13,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:47:13,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:47:13,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:47:13,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:47:13,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:47:13,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:47:13,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:47:13,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:47:13,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:47:13,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:47:13,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:47:13,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:47:13,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:47:13,646 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_10b1f1fb-efd0-48a0-84f2-5d9df2baf489/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 19:47:13,668 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:47:13,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:47:13,670 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 19:47:13,670 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 19:47:13,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:47:13,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:47:13,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:47:13,671 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:47:13,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:47:13,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:47:13,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:47:13,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:47:13,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:47:13,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:47:13,673 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:47:13,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:47:13,674 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:47:13,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:47:13,674 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 19:47:13,675 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 19:47:13,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:47:13,675 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:47:13,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 19:47:13,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:47:13,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:47:13,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:47:13,677 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 19:47:13,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:47:13,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:47:13,678 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_10b1f1fb-efd0-48a0-84f2-5d9df2baf489/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_10b1f1fb-efd0-48a0-84f2-5d9df2baf489/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e00c90c179b1d28da1ba54b907e99f33c2ce0217 [2020-11-29 19:47:13,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:47:13,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:47:13,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:47:13,960 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:47:13,962 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:47:13,963 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_10b1f1fb-efd0-48a0-84f2-5d9df2baf489/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label44.c [2020-11-29 19:47:14,045 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10b1f1fb-efd0-48a0-84f2-5d9df2baf489/bin/ukojak/data/630e6134d/9ca15343066f4521a14c3f214dc720e6/FLAG55e558081 [2020-11-29 19:47:14,678 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:47:14,679 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_10b1f1fb-efd0-48a0-84f2-5d9df2baf489/sv-benchmarks/c/eca-rers2012/Problem10_label44.c [2020-11-29 19:47:14,693 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10b1f1fb-efd0-48a0-84f2-5d9df2baf489/bin/ukojak/data/630e6134d/9ca15343066f4521a14c3f214dc720e6/FLAG55e558081 [2020-11-29 19:47:14,933 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_10b1f1fb-efd0-48a0-84f2-5d9df2baf489/bin/ukojak/data/630e6134d/9ca15343066f4521a14c3f214dc720e6 [2020-11-29 19:47:14,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:47:14,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:47:14,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:47:14,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:47:14,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:47:14,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:47:14" (1/1) ... [2020-11-29 19:47:14,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da5e281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:47:14, skipping insertion in model container [2020-11-29 19:47:14,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:47:14" (1/1) ... [2020-11-29 19:47:14,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:47:15,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:47:15,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:47:15,516 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:47:15,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:47:15,660 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:47:15,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:47:15 WrapperNode [2020-11-29 19:47:15,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:47:15,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:47:15,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:47:15,663 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:47:15,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:47:15" (1/1) ... [2020-11-29 19:47:15,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:47:15" (1/1) ... [2020-11-29 19:47:15,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:47:15,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:47:15,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:47:15,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:47:15,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:47:15" (1/1) ... [2020-11-29 19:47:15,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:47:15" (1/1) ... [2020-11-29 19:47:15,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:47:15" (1/1) ... [2020-11-29 19:47:15,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:47:15" (1/1) ... [2020-11-29 19:47:15,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:47:15" (1/1) ... [2020-11-29 19:47:15,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:47:15" (1/1) ... [2020-11-29 19:47:15,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:47:15" (1/1) ... [2020-11-29 19:47:15,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:47:15,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:47:15,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:47:15,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:47:15,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:47:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10b1f1fb-efd0-48a0-84f2-5d9df2baf489/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 [2020-11-29 19:47:15,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:47:15,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:47:15,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:47:15,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:47:27,484 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:47:27,484 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 19:47:27,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:47:27 BoogieIcfgContainer [2020-11-29 19:47:27,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:47:27,487 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 19:47:27,487 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 19:47:27,495 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 19:47:27,496 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:47:27" (1/1) ... [2020-11-29 19:47:27,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:47:27,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:47:27,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-11-29 19:47:27,536 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-11-29 19:47:27,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 19:47:27,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:47:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:47:27,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:47:27,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:47:27,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-11-29 19:47:27,876 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-11-29 19:47:27,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 19:47:27,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:47:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:47:28,627 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:47:29,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:47:29,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2020-11-29 19:47:29,287 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2020-11-29 19:47:29,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 19:47:29,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:47:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:47:30,308 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 19:47:31,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:47:31,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2020-11-29 19:47:31,604 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2020-11-29 19:47:31,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 19:47:31,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:47:31,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:47:31,982 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 19:47:32,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:47:32,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2020-11-29 19:47:32,497 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2020-11-29 19:47:32,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 19:47:32,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:47:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:47:34,035 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 19:47:34,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:47:34,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2020-11-29 19:47:34,911 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2020-11-29 19:47:34,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:47:34,912 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2020-11-29 19:47:34,921 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 19:47:35,050 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2020-11-29 19:47:35,213 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2020-11-29 19:47:35,318 INFO L569 CodeCheckObserver]: Invariant with dag size 25 [2020-11-29 19:47:35,328 INFO L569 CodeCheckObserver]: Invariant with dag size 23 [2020-11-29 19:47:35,332 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:47:35,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 07:47:35 ImpRootNode [2020-11-29 19:47:35,333 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 19:47:35,335 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:47:35,335 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:47:35,335 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:47:35,336 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:47:27" (3/4) ... [2020-11-29 19:47:35,340 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:47:35,381 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 181 nodes and edges [2020-11-29 19:47:35,383 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 19:47:35,385 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-11-29 19:47:35,387 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 19:47:35,576 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_10b1f1fb-efd0-48a0-84f2-5d9df2baf489/bin/ukojak/witness.graphml [2020-11-29 19:47:35,576 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:47:35,578 INFO L168 Benchmark]: Toolchain (without parser) took 20638.39 ms. Allocated memory was 92.3 MB in the beginning and 408.9 MB in the end (delta: 316.7 MB). Free memory was 57.4 MB in the beginning and 120.3 MB in the end (delta: -62.8 MB). Peak memory consumption was 251.9 MB. Max. memory is 16.1 GB. [2020-11-29 19:47:35,579 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory was 66.8 MB in the beginning and 66.8 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:47:35,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.48 ms. Allocated memory is still 92.3 MB. Free memory was 57.3 MB in the beginning and 52.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:47:35,580 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.58 ms. Allocated memory is still 92.3 MB. Free memory was 52.5 MB in the beginning and 44.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:47:35,581 INFO L168 Benchmark]: Boogie Preprocessor took 112.27 ms. Allocated memory is still 92.3 MB. Free memory was 44.6 MB in the beginning and 39.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:47:35,581 INFO L168 Benchmark]: RCFGBuilder took 11595.93 ms. Allocated memory was 92.3 MB in the beginning and 283.1 MB in the end (delta: 190.8 MB). Free memory was 39.5 MB in the beginning and 93.9 MB in the end (delta: -54.3 MB). Peak memory consumption was 145.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:47:35,582 INFO L168 Benchmark]: CodeCheck took 7846.32 ms. Allocated memory was 283.1 MB in the beginning and 408.9 MB in the end (delta: 125.8 MB). Free memory was 93.9 MB in the beginning and 137.1 MB in the end (delta: -43.2 MB). Peak memory consumption was 81.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:47:35,582 INFO L168 Benchmark]: Witness Printer took 241.95 ms. Allocated memory is still 408.9 MB. Free memory was 137.1 MB in the beginning and 120.3 MB in the end (delta: 16.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:47:35,584 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: 7.3s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 184 SDtfs, 338 SDslu, 240 SDs, 0 SdLazy, 1034 SolverSat, 156 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 549 GetRequests, 457 SyntacticMatches, 24 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2033 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 8240 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 34/44 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 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: 592]: Loop Invariant Derived loop invariant: ((14 == a4 && a12 == 0) && ((!(a10 == 1) || a1 + 14 <= 0) || 219 <= a1)) || ((14 == a4 && a12 == 0) && (a19 <= 7 || 9 <= a19)) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (14 == a4 && a12 == 0) && (((218 < a1 || a19 <= 7) || 8 < a19) || (!(a10 == 1) && !(a10 == 0))) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory was 66.8 MB in the beginning and 66.8 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 711.48 ms. Allocated memory is still 92.3 MB. Free memory was 57.3 MB in the beginning and 52.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.58 ms. Allocated memory is still 92.3 MB. Free memory was 52.5 MB in the beginning and 44.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 112.27 ms. Allocated memory is still 92.3 MB. Free memory was 44.6 MB in the beginning and 39.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 11595.93 ms. Allocated memory was 92.3 MB in the beginning and 283.1 MB in the end (delta: 190.8 MB). Free memory was 39.5 MB in the beginning and 93.9 MB in the end (delta: -54.3 MB). Peak memory consumption was 145.2 MB. Max. memory is 16.1 GB. * CodeCheck took 7846.32 ms. Allocated memory was 283.1 MB in the beginning and 408.9 MB in the end (delta: 125.8 MB). Free memory was 93.9 MB in the beginning and 137.1 MB in the end (delta: -43.2 MB). Peak memory consumption was 81.6 MB. Max. memory is 16.1 GB. * Witness Printer took 241.95 ms. Allocated memory is still 408.9 MB. Free memory was 137.1 MB in the beginning and 120.3 MB in the end (delta: 16.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...