./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412bd8d-d840-4c35-a1d0-095055d7836d/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412bd8d-d840-4c35-a1d0-095055d7836d/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412bd8d-d840-4c35-a1d0-095055d7836d/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412bd8d-d840-4c35-a1d0-095055d7836d/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412bd8d-d840-4c35-a1d0-095055d7836d/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412bd8d-d840-4c35-a1d0-095055d7836d/bin/ukojak-Rh5K9KB4LI --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 56ae0381e0fc321a4bef875cc97d6a437c7ca54ffeb3bb010be2e47fa76c5a5f ...................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:36:42,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:36:42,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:36:42,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:36:42,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:36:42,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:36:42,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:36:42,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:36:42,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:36:42,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:36:42,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:36:42,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:36:42,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:36:42,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:36:42,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:36:42,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:36:42,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:36:42,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:36:42,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:36:42,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:36:42,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:36:42,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:36:42,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:36:42,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:36:42,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:36:42,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:36:42,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:36:42,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:36:42,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:36:42,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:36:42,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:36:42,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:36:42,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:36:42,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:36:42,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:36:42,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:36:42,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:36:42,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:36:42,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:36:43,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:36:43,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:36:43,002 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412bd8d-d840-4c35-a1d0-095055d7836d/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:36:43,032 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:36:43,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:36:43,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:36:43,034 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:36:43,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:36:43,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:36:43,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:36:43,035 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:36:43,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:36:43,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:36:43,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:36:43,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:36:43,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:36:43,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:36:43,036 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:36:43,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:36:43,037 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:36:43,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:36:43,037 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:36:43,037 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:36:43,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:36:43,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:36:43,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:36:43,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:36:43,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:36:43,042 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:36:43,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:36:43,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:36:43,043 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_worker_vcloud-master_on_vcloud-master/run_dir_4412bd8d-d840-4c35-a1d0-095055d7836d/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412bd8d-d840-4c35-a1d0-095055d7836d/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56ae0381e0fc321a4bef875cc97d6a437c7ca54ffeb3bb010be2e47fa76c5a5f [2021-10-29 03:36:43,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:36:43,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:36:43,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:36:43,406 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:36:43,408 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:36:43,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412bd8d-d840-4c35-a1d0-095055d7836d/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound20.c [2021-10-29 03:36:43,507 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412bd8d-d840-4c35-a1d0-095055d7836d/bin/ukojak-Rh5K9KB4LI/data/245a2b413/33f1508b0e8a495490fcb0123087f256/FLAGcd286839d [2021-10-29 03:36:44,079 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:36:44,081 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412bd8d-d840-4c35-a1d0-095055d7836d/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound20.c [2021-10-29 03:36:44,097 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412bd8d-d840-4c35-a1d0-095055d7836d/bin/ukojak-Rh5K9KB4LI/data/245a2b413/33f1508b0e8a495490fcb0123087f256/FLAGcd286839d [2021-10-29 03:36:44,407 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412bd8d-d840-4c35-a1d0-095055d7836d/bin/ukojak-Rh5K9KB4LI/data/245a2b413/33f1508b0e8a495490fcb0123087f256 [2021-10-29 03:36:44,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:36:44,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:36:44,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:36:44,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:36:44,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:36:44,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:36:44" (1/1) ... [2021-10-29 03:36:44,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@463f29a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:44, skipping insertion in model container [2021-10-29 03:36:44,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:36:44" (1/1) ... [2021-10-29 03:36:44,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:36:44,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:36:44,666 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412bd8d-d840-4c35-a1d0-095055d7836d/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound20.c[555,568] [2021-10-29 03:36:44,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:36:44,693 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:36:44,708 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412bd8d-d840-4c35-a1d0-095055d7836d/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound20.c[555,568] [2021-10-29 03:36:44,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:36:44,731 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:36:44,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:44 WrapperNode [2021-10-29 03:36:44,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:36:44,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:36:44,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:36:44,738 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:36:44,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:44" (1/1) ... [2021-10-29 03:36:44,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:44" (1/1) ... [2021-10-29 03:36:44,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:36:44,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:36:44,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:36:44,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:36:44,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:44" (1/1) ... [2021-10-29 03:36:44,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:44" (1/1) ... [2021-10-29 03:36:44,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:44" (1/1) ... [2021-10-29 03:36:44,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:44" (1/1) ... [2021-10-29 03:36:44,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:44" (1/1) ... [2021-10-29 03:36:44,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:44" (1/1) ... [2021-10-29 03:36:44,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:44" (1/1) ... [2021-10-29 03:36:44,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:36:44,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:36:44,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:36:44,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:36:44,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:44" (1/1) ... [2021-10-29 03:36:44,844 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:36:44,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412bd8d-d840-4c35-a1d0-095055d7836d/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:36:44,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412bd8d-d840-4c35-a1d0-095055d7836d/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:36:44,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412bd8d-d840-4c35-a1d0-095055d7836d/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:36:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 03:36:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 03:36:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:36:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:36:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:36:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:36:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 03:36:44,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 03:36:45,174 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:36:45,175 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 03:36:45,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:36:45 BoogieIcfgContainer [2021-10-29 03:36:45,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:36:45,179 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:36:45,179 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:36:45,192 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:36:45,192 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:36:45" (1/1) ... [2021-10-29 03:36:45,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:36:45,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:36:45,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2021-10-29 03:36:45,249 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2021-10-29 03:36:45,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:36:45,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:36:45,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:36:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:36:45,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:36:45,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:36:45,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:36:45,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:36:45,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2021-10-29 03:36:45,865 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2021-10-29 03:36:45,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:36:45,869 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:36:45,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:36:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:36:45,965 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:36:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:36:46,021 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2021-10-29 03:36:46,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:36:46 ImpRootNode [2021-10-29 03:36:46,062 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:36:46,063 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:36:46,064 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:36:46,064 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:36:46,065 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:36:45" (3/4) ... [2021-10-29 03:36:46,067 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:36:46,136 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412bd8d-d840-4c35-a1d0-095055d7836d/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:36:46,136 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:36:46,138 INFO L168 Benchmark]: Toolchain (without parser) took 1722.14 ms. Allocated memory is still 125.8 MB. Free memory was 87.2 MB in the beginning and 61.6 MB in the end (delta: 25.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:36:46,139 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 125.8 MB. Free memory was 103.7 MB in the beginning and 103.7 MB in the end (delta: 58.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:36:46,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.28 ms. Allocated memory is still 125.8 MB. Free memory was 87.0 MB in the beginning and 100.1 MB in the end (delta: -13.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:36:46,141 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.24 ms. Allocated memory is still 125.8 MB. Free memory was 100.1 MB in the beginning and 98.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:36:46,142 INFO L168 Benchmark]: Boogie Preprocessor took 49.24 ms. Allocated memory is still 125.8 MB. Free memory was 98.8 MB in the beginning and 97.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:36:46,143 INFO L168 Benchmark]: RCFGBuilder took 343.46 ms. Allocated memory is still 125.8 MB. Free memory was 97.6 MB in the beginning and 86.3 MB in the end (delta: 11.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:36:46,144 INFO L168 Benchmark]: CodeCheck took 883.62 ms. Allocated memory is still 125.8 MB. Free memory was 86.3 MB in the beginning and 63.8 MB in the end (delta: 22.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:36:46,145 INFO L168 Benchmark]: Witness Printer took 73.03 ms. Allocated memory is still 125.8 MB. Free memory was 63.8 MB in the beginning and 61.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:36:46,149 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 3 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 15 SDtfs, 2 SDslu, 2 SDs, 0 SdLazy, 15 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 1 NumberOfNonLiveVariables, 65 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 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 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] unsigned int z, k; [L24] long long x, y, c; [L25] z = __VERIFIER_nondet_uint() [L26] CALL assume_abort_if_not(z>=0 && z<=20) VAL [\old(cond)=1] [L13] COND FALSE !(!cond) [L26] RET assume_abort_if_not(z>=0 && z<=20) [L27] k = __VERIFIER_nondet_uint() [L28] CALL assume_abort_if_not(k>=0 && k<=20) VAL [\old(cond)=1] [L13] COND FALSE !(!cond) [L28] RET assume_abort_if_not(k>=0 && k<=20) [L30] x = 1 [L31] y = z [L32] c = 1 [L34] COND TRUE 1 [L35] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [\old(cond)=1] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L35] RET __VERIFIER_assert(x*z - x - y + 1 == 0) [L37] COND TRUE !(c < k) [L46] x = x * (z - 1) [L48] CALL __VERIFIER_assert(1 + x - y == 0) VAL [\old(cond)=0] [L16] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L18] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 125.8 MB. Free memory was 103.7 MB in the beginning and 103.7 MB in the end (delta: 58.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 308.28 ms. Allocated memory is still 125.8 MB. Free memory was 87.0 MB in the beginning and 100.1 MB in the end (delta: -13.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.24 ms. Allocated memory is still 125.8 MB. Free memory was 100.1 MB in the beginning and 98.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.24 ms. Allocated memory is still 125.8 MB. Free memory was 98.8 MB in the beginning and 97.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 343.46 ms. Allocated memory is still 125.8 MB. Free memory was 97.6 MB in the beginning and 86.3 MB in the end (delta: 11.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 883.62 ms. Allocated memory is still 125.8 MB. Free memory was 86.3 MB in the beginning and 63.8 MB in the end (delta: 22.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Witness Printer took 73.03 ms. Allocated memory is still 125.8 MB. Free memory was 63.8 MB in the beginning and 61.6 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 03:36:46,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4412bd8d-d840-4c35-a1d0-095055d7836d/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...