./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label24.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_bd1dba13-ef43-4b33-a166-40dfbec4e98f/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bd1dba13-ef43-4b33-a166-40dfbec4e98f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bd1dba13-ef43-4b33-a166-40dfbec4e98f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bd1dba13-ef43-4b33-a166-40dfbec4e98f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label24.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bd1dba13-ef43-4b33-a166-40dfbec4e98f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bd1dba13-ef43-4b33-a166-40dfbec4e98f/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 117c235a4f4b8a13e27fdb853242738269837f6b .............................................................................................................................................................................................................................................. 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 16:29:30,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:29:30,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:29:30,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:29:30,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:29:30,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:29:30,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:29:30,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:29:30,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:29:30,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:29:30,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:29:30,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:29:30,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:29:30,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:29:30,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:29:30,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:29:30,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:29:30,927 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:29:30,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:29:30,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:29:30,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:29:30,939 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:29:30,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:29:30,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:29:30,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:29:30,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:29:30,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:29:30,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:29:30,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:29:30,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:29:30,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:29:30,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:29:30,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:29:30,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:29:30,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:29:30,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:29:30,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:29:30,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:29:30,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:29:30,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:29:30,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:29:30,987 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bd1dba13-ef43-4b33-a166-40dfbec4e98f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:29:31,069 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:29:31,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:29:31,073 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:29:31,073 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:29:31,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:29:31,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:29:31,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:29:31,076 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:29:31,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:29:31,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:29:31,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:29:31,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:29:31,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:29:31,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:29:31,079 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:29:31,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:29:31,080 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:29:31,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:29:31,080 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:29:31,081 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:29:31,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:29:31,081 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:29:31,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:29:31,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:29:31,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:29:31,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:29:31,083 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:29:31,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:29:31,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:29:31,085 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_bd1dba13-ef43-4b33-a166-40dfbec4e98f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bd1dba13-ef43-4b33-a166-40dfbec4e98f/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 117c235a4f4b8a13e27fdb853242738269837f6b [2020-12-01 16:29:31,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:29:31,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:29:31,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:29:31,538 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:29:31,540 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:29:31,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bd1dba13-ef43-4b33-a166-40dfbec4e98f/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label24.c [2020-12-01 16:29:31,657 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bd1dba13-ef43-4b33-a166-40dfbec4e98f/bin/ukojak/data/43c6239a8/ad871342dc374633b619c1125c4aa960/FLAGec3c0e8ae [2020-12-01 16:29:32,453 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:29:32,454 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bd1dba13-ef43-4b33-a166-40dfbec4e98f/sv-benchmarks/c/eca-rers2012/Problem14_label24.c [2020-12-01 16:29:32,471 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bd1dba13-ef43-4b33-a166-40dfbec4e98f/bin/ukojak/data/43c6239a8/ad871342dc374633b619c1125c4aa960/FLAGec3c0e8ae [2020-12-01 16:29:32,609 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bd1dba13-ef43-4b33-a166-40dfbec4e98f/bin/ukojak/data/43c6239a8/ad871342dc374633b619c1125c4aa960 [2020-12-01 16:29:32,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:29:32,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:29:32,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:29:32,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:29:32,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:29:32,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:29:32" (1/1) ... [2020-12-01 16:29:32,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60db68a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:32, skipping insertion in model container [2020-12-01 16:29:32,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:29:32" (1/1) ... [2020-12-01 16:29:32,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:29:32,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:29:33,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:29:33,429 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:29:33,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:29:33,860 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:29:33,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:33 WrapperNode [2020-12-01 16:29:33,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:29:33,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:29:33,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:29:33,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:29:33,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:33" (1/1) ... [2020-12-01 16:29:33,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:33" (1/1) ... [2020-12-01 16:29:34,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:29:34,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:29:34,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:29:34,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:29:34,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:33" (1/1) ... [2020-12-01 16:29:34,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:33" (1/1) ... [2020-12-01 16:29:34,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:33" (1/1) ... [2020-12-01 16:29:34,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:33" (1/1) ... [2020-12-01 16:29:34,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:33" (1/1) ... [2020-12-01 16:29:34,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:33" (1/1) ... [2020-12-01 16:29:34,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:33" (1/1) ... [2020-12-01 16:29:34,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:29:34,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:29:34,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:29:34,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:29:34,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:29:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bd1dba13-ef43-4b33-a166-40dfbec4e98f/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 16:29:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:29:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:29:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:29:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:29:54,692 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:29:54,692 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 16:29:54,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:29:54 BoogieIcfgContainer [2020-12-01 16:29:54,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:29:54,696 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:29:54,696 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:29:54,712 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:29:54,712 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:29:54" (1/1) ... [2020-12-01 16:29:54,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:29:54,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:54,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 16:29:54,805 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 16:29:54,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 16:29:54,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:55,101 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 16:29:56,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:56,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 16:29:56,509 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 16:29:56,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 16:29:56,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:57,481 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 16:29:58,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:58,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2020-12-01 16:29:58,243 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2020-12-01 16:29:58,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 16:29:58,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:59,848 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 16:30:02,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:02,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2020-12-01 16:30:02,256 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2020-12-01 16:30:02,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:30:02,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:04,523 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:30:05,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:05,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 27 states and 51 transitions. [2020-12-01 16:30:05,275 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 51 transitions. [2020-12-01 16:30:05,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:30:05,277 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2020-12-01 16:30:05,288 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:30:05,401 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 20 [2020-12-01 16:30:05,647 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:30:05,653 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-12-01 16:30:05,662 INFO L569 CodeCheckObserver]: Invariant with dag size 20 [2020-12-01 16:30:05,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:30:05 ImpRootNode [2020-12-01 16:30:05,665 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:30:05,666 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:30:05,666 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:30:05,667 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:30:05,667 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:29:54" (3/4) ... [2020-12-01 16:30:05,672 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:30:05,715 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 219 nodes and edges [2020-12-01 16:30:05,719 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 16:30:05,722 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-01 16:30:05,726 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:30:06,038 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bd1dba13-ef43-4b33-a166-40dfbec4e98f/bin/ukojak/witness.graphml [2020-12-01 16:30:06,039 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:30:06,041 INFO L168 Benchmark]: Toolchain (without parser) took 33419.91 ms. Allocated memory was 146.8 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 114.5 MB in the beginning and 857.0 MB in the end (delta: -742.5 MB). Peak memory consumption was 412.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:06,042 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 75.5 MB. Free memory was 38.3 MB in the beginning and 38.3 MB in the end (delta: 29.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:30:06,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1236.77 ms. Allocated memory is still 146.8 MB. Free memory was 114.5 MB in the beginning and 97.7 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:06,044 INFO L168 Benchmark]: Boogie Procedure Inliner took 196.23 ms. Allocated memory is still 146.8 MB. Free memory was 97.7 MB in the beginning and 88.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:06,045 INFO L168 Benchmark]: Boogie Preprocessor took 211.12 ms. Allocated memory is still 146.8 MB. Free memory was 88.0 MB in the beginning and 81.6 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:06,046 INFO L168 Benchmark]: RCFGBuilder took 20420.40 ms. Allocated memory was 146.8 MB in the beginning and 687.9 MB in the end (delta: 541.1 MB). Free memory was 81.6 MB in the beginning and 521.4 MB in the end (delta: -439.8 MB). Peak memory consumption was 382.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:06,046 INFO L168 Benchmark]: CodeCheck took 10968.88 ms. Allocated memory was 687.9 MB in the beginning and 1.3 GB in the end (delta: 614.5 MB). Free memory was 521.4 MB in the beginning and 876.9 MB in the end (delta: -355.5 MB). Peak memory consumption was 258.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:06,047 INFO L168 Benchmark]: Witness Printer took 373.08 ms. Allocated memory is still 1.3 GB. Free memory was 876.9 MB in the beginning and 857.0 MB in the end (delta: 19.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:30:06,050 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: 10.5s, OverallIterations: 5, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 100 SDtfs, 188 SDslu, 136 SDs, 0 SdLazy, 596 SolverSat, 100 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 409 GetRequests, 354 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1302 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 4768 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 21/34 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: (((!(a24 == 1) || a12 + 43 <= 0) || !(a15 == 6)) || 11 < a12) || !(a21 == 6) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((!(a12 <= 11) || !(a24 == 1)) || a12 + 43 <= 0) || !(a15 == 6)) || !(a21 == 6) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 75.5 MB. Free memory was 38.3 MB in the beginning and 38.3 MB in the end (delta: 29.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1236.77 ms. Allocated memory is still 146.8 MB. Free memory was 114.5 MB in the beginning and 97.7 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 196.23 ms. Allocated memory is still 146.8 MB. Free memory was 97.7 MB in the beginning and 88.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 211.12 ms. Allocated memory is still 146.8 MB. Free memory was 88.0 MB in the beginning and 81.6 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 20420.40 ms. Allocated memory was 146.8 MB in the beginning and 687.9 MB in the end (delta: 541.1 MB). Free memory was 81.6 MB in the beginning and 521.4 MB in the end (delta: -439.8 MB). Peak memory consumption was 382.9 MB. Max. memory is 16.1 GB. * CodeCheck took 10968.88 ms. Allocated memory was 687.9 MB in the beginning and 1.3 GB in the end (delta: 614.5 MB). Free memory was 521.4 MB in the beginning and 876.9 MB in the end (delta: -355.5 MB). Peak memory consumption was 258.1 MB. Max. memory is 16.1 GB. * Witness Printer took 373.08 ms. Allocated memory is still 1.3 GB. Free memory was 876.9 MB in the beginning and 857.0 MB in the end (delta: 19.9 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...