./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem18_label40.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_2cc4623d-94ff-4ef1-8a10-349f34a5d5a3/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2cc4623d-94ff-4ef1-8a10-349f34a5d5a3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2cc4623d-94ff-4ef1-8a10-349f34a5d5a3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2cc4623d-94ff-4ef1-8a10-349f34a5d5a3/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem18_label40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2cc4623d-94ff-4ef1-8a10-349f34a5d5a3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2cc4623d-94ff-4ef1-8a10-349f34a5d5a3/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 152bc18f2e6ca9b2a96902eb808f35be0328331e ....................................................................................................................................................................................................................................................................................... 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 17:44:54,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:44:54,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:44:54,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:44:54,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:44:54,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:44:54,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:44:54,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:44:54,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:44:54,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:44:54,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:44:54,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:44:54,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:44:54,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:44:54,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:44:54,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:44:54,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:44:54,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:44:54,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:44:54,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:44:54,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:44:54,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:44:54,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:44:54,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:44:54,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:44:54,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:44:54,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:44:54,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:44:54,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:44:54,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:44:54,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:44:54,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:44:54,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:44:54,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:44:54,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:44:54,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:44:54,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:44:54,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:44:54,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:44:54,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:44:54,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:44:54,852 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2cc4623d-94ff-4ef1-8a10-349f34a5d5a3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:44:54,895 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:44:54,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:44:54,897 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:44:54,897 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:44:54,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:44:54,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:44:54,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:44:54,899 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:44:54,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:44:54,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:44:54,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:44:54,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:44:54,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:44:54,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:44:54,902 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:44:54,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:44:54,903 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:44:54,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:44:54,903 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:44:54,904 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:44:54,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:44:54,904 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:44:54,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:44:54,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:44:54,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:44:54,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:44:54,906 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:44:54,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:44:54,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:44:54,906 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_2cc4623d-94ff-4ef1-8a10-349f34a5d5a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2cc4623d-94ff-4ef1-8a10-349f34a5d5a3/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 152bc18f2e6ca9b2a96902eb808f35be0328331e [2020-12-01 17:44:55,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:44:55,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:44:55,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:44:55,252 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:44:55,252 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:44:55,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2cc4623d-94ff-4ef1-8a10-349f34a5d5a3/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem18_label40.c [2020-12-01 17:44:55,332 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2cc4623d-94ff-4ef1-8a10-349f34a5d5a3/bin/ukojak/data/fedbeea44/825838a834df41be8e9d2782e2e1550c/FLAG9298705e4 [2020-12-01 17:44:56,327 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:44:56,328 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2cc4623d-94ff-4ef1-8a10-349f34a5d5a3/sv-benchmarks/c/eca-rers2012/Problem18_label40.c [2020-12-01 17:44:56,375 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2cc4623d-94ff-4ef1-8a10-349f34a5d5a3/bin/ukojak/data/fedbeea44/825838a834df41be8e9d2782e2e1550c/FLAG9298705e4 [2020-12-01 17:44:56,855 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2cc4623d-94ff-4ef1-8a10-349f34a5d5a3/bin/ukojak/data/fedbeea44/825838a834df41be8e9d2782e2e1550c [2020-12-01 17:44:56,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:44:56,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:44:56,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:44:56,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:44:56,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:44:56,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:44:56" (1/1) ... [2020-12-01 17:44:56,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec890aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:44:56, skipping insertion in model container [2020-12-01 17:44:56,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:44:56" (1/1) ... [2020-12-01 17:44:56,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:44:57,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:44:58,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:44:58,256 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:44:58,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:44:58,842 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:44:58,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:44:58 WrapperNode [2020-12-01 17:44:58,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:44:58,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:44:58,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:44:58,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:44:58,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:44:58" (1/1) ... [2020-12-01 17:44:58,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:44:58" (1/1) ... [2020-12-01 17:44:59,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:44:59,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:44:59,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:44:59,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:44:59,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:44:58" (1/1) ... [2020-12-01 17:44:59,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:44:58" (1/1) ... [2020-12-01 17:44:59,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:44:58" (1/1) ... [2020-12-01 17:44:59,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:44:58" (1/1) ... [2020-12-01 17:44:59,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:44:58" (1/1) ... [2020-12-01 17:44:59,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:44:58" (1/1) ... [2020-12-01 17:44:59,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:44:58" (1/1) ... [2020-12-01 17:44:59,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:44:59,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:44:59,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:44:59,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:44:59,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:44:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2cc4623d-94ff-4ef1-8a10-349f34a5d5a3/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 17:44:59,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:44:59,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:44:59,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:44:59,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:53:32,496 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:53:32,496 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-01 17:53:32,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:53:32 BoogieIcfgContainer [2020-12-01 17:53:32,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:53:32,500 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:53:32,500 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:53:32,513 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:53:32,513 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:53:32" (1/1) ... [2020-12-01 17:53:32,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:53:32,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:32,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 17:53:32,565 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 17:53:32,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:53:32,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:32,815 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 17:53:33,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:33,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 17:53:33,342 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 17:53:33,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:53:33,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:38,552 WARN L197 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 18 [2020-12-01 17:53:38,747 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2020-12-01 17:53:38,955 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 17:53:40,123 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-12-01 17:53:40,814 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 14 [2020-12-01 17:53:41,223 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 16 [2020-12-01 17:53:43,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:43,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2020-12-01 17:53:43,670 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2020-12-01 17:53:43,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:53:43,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:57,924 WARN L197 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2020-12-01 17:53:59,305 WARN L197 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-12-01 17:53:59,361 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 17:53:59,513 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2020-12-01 17:53:59,857 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2020-12-01 17:54:00,957 WARN L197 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 32 [2020-12-01 17:54:01,301 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-01 17:54:01,720 WARN L197 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 29 [2020-12-01 17:54:01,995 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-01 17:54:03,023 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-01 17:54:04,245 WARN L197 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 30 [2020-12-01 17:54:04,673 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-01 17:54:05,221 WARN L197 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-12-01 17:54:05,564 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-12-01 17:54:06,299 WARN L197 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-12-01 17:54:06,756 WARN L197 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-01 17:54:07,249 WARN L197 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-01 17:54:08,530 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 24 [2020-12-01 17:54:09,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:09,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 47 transitions. [2020-12-01 17:54:09,305 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 47 transitions. [2020-12-01 17:54:09,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:54:09,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:17,606 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 17:54:18,434 WARN L197 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-12-01 17:54:18,826 WARN L197 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-12-01 17:54:19,204 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-12-01 17:54:19,969 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-01 17:54:21,136 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-12-01 17:54:21,558 WARN L197 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-12-01 17:54:21,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:21,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2020-12-01 17:54:21,642 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2020-12-01 17:54:21,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:54:21,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:30,026 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 17:54:30,890 WARN L197 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2020-12-01 17:54:31,388 WARN L197 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-01 17:54:42,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:42,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 25 states and 49 transitions. [2020-12-01 17:54:42,042 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 49 transitions. [2020-12-01 17:54:42,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:54:42,043 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2020-12-01 17:54:42,050 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:54:42,530 WARN L197 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 17 [2020-12-01 17:54:43,225 WARN L197 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 19 [2020-12-01 17:54:43,682 WARN L197 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 16 [2020-12-01 17:54:44,455 WARN L197 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 19 [2020-12-01 17:54:44,457 INFO L569 CodeCheckObserver]: Invariant with dag size 16 [2020-12-01 17:54:44,483 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:54:44,483 INFO L569 CodeCheckObserver]: Invariant with dag size 17 [2020-12-01 17:54:44,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:54:44 ImpRootNode [2020-12-01 17:54:44,491 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:54:44,492 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:54:44,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:54:44,493 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:54:44,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:53:32" (3/4) ... [2020-12-01 17:54:44,496 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:54:44,581 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 733 nodes and edges [2020-12-01 17:54:44,592 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-01 17:54:44,604 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-01 17:54:44,621 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:54:45,036 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2cc4623d-94ff-4ef1-8a10-349f34a5d5a3/bin/ukojak/witness.graphml [2020-12-01 17:54:45,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:54:45,039 INFO L168 Benchmark]: Toolchain (without parser) took 588176.19 ms. Allocated memory was 121.6 MB in the beginning and 7.0 GB in the end (delta: 6.9 GB). Free memory was 84.1 MB in the beginning and 3.7 GB in the end (delta: -3.6 GB). Peak memory consumption was 3.3 GB. Max. memory is 16.1 GB. [2020-12-01 17:54:45,039 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 88.1 MB. Free memory is still 49.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:54:45,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1977.16 ms. Allocated memory was 121.6 MB in the beginning and 155.2 MB in the end (delta: 33.6 MB). Free memory was 83.7 MB in the beginning and 103.8 MB in the end (delta: -20.0 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:54:45,041 INFO L168 Benchmark]: Boogie Procedure Inliner took 371.06 ms. Allocated memory is still 155.2 MB. Free memory was 103.8 MB in the beginning and 92.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 66.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:54:45,042 INFO L168 Benchmark]: Boogie Preprocessor took 342.85 ms. Allocated memory is still 155.2 MB. Free memory was 92.3 MB in the beginning and 77.4 MB in the end (delta: 14.9 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:54:45,043 INFO L168 Benchmark]: RCFGBuilder took 512938.04 ms. Allocated memory was 155.2 MB in the beginning and 7.0 GB in the end (delta: 6.8 GB). Free memory was 77.4 MB in the beginning and 3.5 GB in the end (delta: -3.5 GB). Peak memory consumption was 3.5 GB. Max. memory is 16.1 GB. [2020-12-01 17:54:45,044 INFO L168 Benchmark]: CodeCheck took 71991.22 ms. Allocated memory is still 7.0 GB. Free memory was 3.5 GB in the beginning and 3.8 GB in the end (delta: -209.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:54:45,045 INFO L168 Benchmark]: Witness Printer took 545.75 ms. Allocated memory is still 7.0 GB. Free memory was 3.8 GB in the beginning and 3.7 GB in the end (delta: 87.0 MB). Peak memory consumption was 86.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:54:45,049 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: 69.5s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 184 SDtfs, 348 SDslu, 240 SDs, 0 SdLazy, 1082 SolverSat, 152 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 33.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 515 GetRequests, 453 SyntacticMatches, 12 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1167 ImplicationChecksByTransitivity, 16.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 17.5s SatisfiabilityAnalysisTime, 20.1s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 10072 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 21/44 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: 14]: 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: 35]: Loop Invariant Derived loop invariant: ((!(a18 == 9) || !(a24 == 2)) || 115 < a3) || !(a15 == 4) - InvariantResult [Line: 4263]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4269]: Loop Invariant Derived loop invariant: (((!(a24 == 2) || 115 < a3) || a18 <= 8) || 10 <= a18) || !(a15 == 4) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 88.1 MB. Free memory is still 49.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1977.16 ms. Allocated memory was 121.6 MB in the beginning and 155.2 MB in the end (delta: 33.6 MB). Free memory was 83.7 MB in the beginning and 103.8 MB in the end (delta: -20.0 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 371.06 ms. Allocated memory is still 155.2 MB. Free memory was 103.8 MB in the beginning and 92.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 66.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 342.85 ms. Allocated memory is still 155.2 MB. Free memory was 92.3 MB in the beginning and 77.4 MB in the end (delta: 14.9 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 512938.04 ms. Allocated memory was 155.2 MB in the beginning and 7.0 GB in the end (delta: 6.8 GB). Free memory was 77.4 MB in the beginning and 3.5 GB in the end (delta: -3.5 GB). Peak memory consumption was 3.5 GB. Max. memory is 16.1 GB. * CodeCheck took 71991.22 ms. Allocated memory is still 7.0 GB. Free memory was 3.5 GB in the beginning and 3.8 GB in the end (delta: -209.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 545.75 ms. Allocated memory is still 7.0 GB. Free memory was 3.8 GB in the beginning and 3.7 GB in the end (delta: 87.0 MB). Peak memory consumption was 86.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process Received shutdown request...