./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.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_b84fb837-cd7b-4bcc-a124-dfc895e19631/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84fb837-cd7b-4bcc-a124-dfc895e19631/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_b84fb837-cd7b-4bcc-a124-dfc895e19631/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84fb837-cd7b-4bcc-a124-dfc895e19631/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84fb837-cd7b-4bcc-a124-dfc895e19631/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_b84fb837-cd7b-4bcc-a124-dfc895e19631/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 91c207b4b9ec9497b682edea4de56d410c70b882e6c03e91b56844bba1af20ff ................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:15:25,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:15:25,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:15:25,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:15:25,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:15:25,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:15:25,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:15:25,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:15:25,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:15:25,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:15:25,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:15:25,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:15:25,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:15:25,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:15:25,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:15:25,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:15:25,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:15:25,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:15:25,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:15:25,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:15:25,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:15:25,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:15:25,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:15:25,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:15:25,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:15:25,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:15:25,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:15:25,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:15:25,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:15:25,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:15:25,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:15:25,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:15:25,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:15:25,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:15:25,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:15:25,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:15:25,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:15:25,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:15:25,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:15:25,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:15:25,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:15:25,878 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84fb837-cd7b-4bcc-a124-dfc895e19631/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:15:25,905 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:15:25,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:15:25,906 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:15:25,907 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:15:25,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:15:25,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:15:25,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:15:25,909 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:15:25,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:15:25,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:15:25,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:15:25,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:15:25,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:15:25,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:15:25,911 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:15:25,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:15:25,919 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:15:25,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:15:25,919 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:15:25,919 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:15:25,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:15:25,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:15:25,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:15:25,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:15:25,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:15:25,921 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:15:25,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:15:25,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:15:25,922 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_b84fb837-cd7b-4bcc-a124-dfc895e19631/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84fb837-cd7b-4bcc-a124-dfc895e19631/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91c207b4b9ec9497b682edea4de56d410c70b882e6c03e91b56844bba1af20ff [2021-10-29 04:15:26,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:15:26,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:15:26,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:15:26,258 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:15:26,259 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:15:26,262 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84fb837-cd7b-4bcc-a124-dfc895e19631/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c [2021-10-29 04:15:26,372 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84fb837-cd7b-4bcc-a124-dfc895e19631/bin/ukojak-Rh5K9KB4LI/data/5dc369b7f/b1be291e26a4405fb883fb556b59fbce/FLAG0674a03f1 [2021-10-29 04:15:26,876 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:15:26,877 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84fb837-cd7b-4bcc-a124-dfc895e19631/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c [2021-10-29 04:15:26,890 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84fb837-cd7b-4bcc-a124-dfc895e19631/bin/ukojak-Rh5K9KB4LI/data/5dc369b7f/b1be291e26a4405fb883fb556b59fbce/FLAG0674a03f1 [2021-10-29 04:15:27,234 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84fb837-cd7b-4bcc-a124-dfc895e19631/bin/ukojak-Rh5K9KB4LI/data/5dc369b7f/b1be291e26a4405fb883fb556b59fbce [2021-10-29 04:15:27,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:15:27,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:15:27,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:15:27,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:15:27,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:15:27,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:15:27" (1/1) ... [2021-10-29 04:15:27,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@179469bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:27, skipping insertion in model container [2021-10-29 04:15:27,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:15:27" (1/1) ... [2021-10-29 04:15:27,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:15:27,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:15:27,431 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_b84fb837-cd7b-4bcc-a124-dfc895e19631/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c[525,538] [2021-10-29 04:15:27,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:15:27,453 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:15:27,464 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_b84fb837-cd7b-4bcc-a124-dfc895e19631/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c[525,538] [2021-10-29 04:15:27,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:15:27,482 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:15:27,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:27 WrapperNode [2021-10-29 04:15:27,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:15:27,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:15:27,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:15:27,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:15:27,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:27" (1/1) ... [2021-10-29 04:15:27,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:27" (1/1) ... [2021-10-29 04:15:27,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:15:27,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:15:27,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:15:27,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:15:27,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:27" (1/1) ... [2021-10-29 04:15:27,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:27" (1/1) ... [2021-10-29 04:15:27,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:27" (1/1) ... [2021-10-29 04:15:27,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:27" (1/1) ... [2021-10-29 04:15:27,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:27" (1/1) ... [2021-10-29 04:15:27,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:27" (1/1) ... [2021-10-29 04:15:27,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:27" (1/1) ... [2021-10-29 04:15:27,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:15:27,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:15:27,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:15:27,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:15:27,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:15:27" (1/1) ... [2021-10-29 04:15:27,545 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:15:27,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84fb837-cd7b-4bcc-a124-dfc895e19631/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:15:27,568 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84fb837-cd7b-4bcc-a124-dfc895e19631/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:15:27,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84fb837-cd7b-4bcc-a124-dfc895e19631/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:15:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:15:27,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:15:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:15:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:15:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 04:15:27,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 04:15:27,844 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:15:27,845 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 04:15:27,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:15:27 BoogieIcfgContainer [2021-10-29 04:15:27,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:15:27,848 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:15:27,848 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:15:27,856 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:15:27,856 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:15:27" (1/1) ... [2021-10-29 04:15:27,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:15:27,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:27,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-10-29 04:15:27,899 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-10-29 04:15:27,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:15:27,903 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:27,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:27,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 04:15:27,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:15:28,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:15:28,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:28,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-10-29 04:15:28,049 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-10-29 04:15:28,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 04:15:28,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:28,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:28,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 04:15:28,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:15:28,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:15:28,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:28,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2021-10-29 04:15:28,217 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-10-29 04:15:28,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 04:15:28,218 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:28,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:28,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 04:15:28,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:15:28,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:15:28,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:28,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2021-10-29 04:15:28,778 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2021-10-29 04:15:28,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:15:28,780 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:28,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:28,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:15:28,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:15:29,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:15:29,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:29,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2021-10-29 04:15:29,357 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2021-10-29 04:15:29,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 04:15:29,358 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:29,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:29,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-29 04:15:29,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:15:30,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:15:32,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:32,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2021-10-29 04:15:32,214 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2021-10-29 04:15:32,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 04:15:32,215 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:32,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:32,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:15:32,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:15:32,331 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:15:33,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:33,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 18 states and 20 transitions. [2021-10-29 04:15:33,728 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2021-10-29 04:15:33,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:15:33,729 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2021-10-29 04:15:33,734 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 04:15:33,795 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:15:33,798 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 04:15:33,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:15:33 ImpRootNode [2021-10-29 04:15:33,798 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:15:33,799 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:15:33,799 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:15:33,799 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:15:33,800 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:15:27" (3/4) ... [2021-10-29 04:15:33,803 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:15:33,809 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 04:15:33,813 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 04:15:33,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 04:15:33,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:15:33,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:15:33,855 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84fb837-cd7b-4bcc-a124-dfc895e19631/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:15:33,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:15:33,857 INFO L168 Benchmark]: Toolchain (without parser) took 6618.02 ms. Allocated memory was 113.2 MB in the beginning and 153.1 MB in the end (delta: 39.8 MB). Free memory was 76.9 MB in the beginning and 115.2 MB in the end (delta: -38.4 MB). Peak memory consumption was 1.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:15:33,858 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 113.2 MB. Free memory was 88.2 MB in the beginning and 88.1 MB in the end (delta: 26.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:15:33,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.01 ms. Allocated memory is still 113.2 MB. Free memory was 76.7 MB in the beginning and 87.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:15:33,859 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.84 ms. Allocated memory is still 113.2 MB. Free memory was 87.7 MB in the beginning and 86.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:15:33,860 INFO L168 Benchmark]: Boogie Preprocessor took 19.10 ms. Allocated memory is still 113.2 MB. Free memory was 86.1 MB in the beginning and 85.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:15:33,861 INFO L168 Benchmark]: RCFGBuilder took 311.59 ms. Allocated memory is still 113.2 MB. Free memory was 85.0 MB in the beginning and 74.0 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:15:33,862 INFO L168 Benchmark]: CodeCheck took 5950.42 ms. Allocated memory was 113.2 MB in the beginning and 153.1 MB in the end (delta: 39.8 MB). Free memory was 74.0 MB in the beginning and 118.3 MB in the end (delta: -44.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:15:33,862 INFO L168 Benchmark]: Witness Printer took 56.33 ms. Allocated memory is still 153.1 MB. Free memory was 118.3 MB in the beginning and 115.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:15:33,866 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 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 480 SDtfs, 52 SDslu, 116 SDs, 0 SdLazy, 1058 SolverSat, 466 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 594 GetRequests, 505 SyntacticMatches, 9 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2068 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 307 SizeOfPredicates, 6 NumberOfNonLiveVariables, 414 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 6/11 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: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 113.2 MB. Free memory was 88.2 MB in the beginning and 88.1 MB in the end (delta: 26.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 241.01 ms. Allocated memory is still 113.2 MB. Free memory was 76.7 MB in the beginning and 87.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.84 ms. Allocated memory is still 113.2 MB. Free memory was 87.7 MB in the beginning and 86.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.10 ms. Allocated memory is still 113.2 MB. Free memory was 86.1 MB in the beginning and 85.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 311.59 ms. Allocated memory is still 113.2 MB. Free memory was 85.0 MB in the beginning and 74.0 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 5950.42 ms. Allocated memory was 113.2 MB in the beginning and 153.1 MB in the end (delta: 39.8 MB). Free memory was 74.0 MB in the beginning and 118.3 MB in the end (delta: -44.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 56.33 ms. Allocated memory is still 153.1 MB. Free memory was 118.3 MB in the beginning and 115.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 04:15:33,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b84fb837-cd7b-4bcc-a124-dfc895e19631/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...