./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound2.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_8582c157-d6bf-4b43-bdee-e8cf40e12df4/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8582c157-d6bf-4b43-bdee-e8cf40e12df4/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_8582c157-d6bf-4b43-bdee-e8cf40e12df4/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8582c157-d6bf-4b43-bdee-e8cf40e12df4/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8582c157-d6bf-4b43-bdee-e8cf40e12df4/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_8582c157-d6bf-4b43-bdee-e8cf40e12df4/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 f9a59972454f7ae078581bb1592875955e31a3bd05f52cbebd7b164f55fa53bc .................................................................................................................................................................................................................................................................................................................................................... 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 03:06:10,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:06:10,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:06:10,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:06:10,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:06:10,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:06:10,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:06:10,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:06:10,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:06:10,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:06:10,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:06:10,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:06:10,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:06:10,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:06:10,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:06:10,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:06:10,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:06:10,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:06:10,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:06:10,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:06:10,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:06:10,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:06:10,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:06:10,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:06:10,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:06:10,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:06:10,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:06:10,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:06:10,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:06:10,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:06:10,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:06:10,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:06:10,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:06:10,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:06:10,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:06:10,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:06:10,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:06:10,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:06:10,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:06:10,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:06:10,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:06:10,962 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8582c157-d6bf-4b43-bdee-e8cf40e12df4/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:06:11,003 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:06:11,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:06:11,005 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:06:11,005 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:06:11,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:06:11,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:06:11,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:06:11,007 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:06:11,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:06:11,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:06:11,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:06:11,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:06:11,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:06:11,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:06:11,015 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:06:11,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:06:11,016 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:06:11,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:06:11,016 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:06:11,016 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:06:11,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:06:11,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:06:11,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:06:11,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:06:11,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:06:11,018 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:06:11,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:06:11,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:06:11,019 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_8582c157-d6bf-4b43-bdee-e8cf40e12df4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8582c157-d6bf-4b43-bdee-e8cf40e12df4/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9a59972454f7ae078581bb1592875955e31a3bd05f52cbebd7b164f55fa53bc [2021-10-29 03:06:11,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:06:11,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:06:11,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:06:11,347 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:06:11,348 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:06:11,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8582c157-d6bf-4b43-bdee-e8cf40e12df4/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound2.c [2021-10-29 03:06:11,423 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8582c157-d6bf-4b43-bdee-e8cf40e12df4/bin/ukojak-Rh5K9KB4LI/data/57e041a9b/4e8267203ed245ac979c04ba53df279e/FLAG21c3dd2a1 [2021-10-29 03:06:11,953 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:06:11,955 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8582c157-d6bf-4b43-bdee-e8cf40e12df4/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound2.c [2021-10-29 03:06:11,967 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8582c157-d6bf-4b43-bdee-e8cf40e12df4/bin/ukojak-Rh5K9KB4LI/data/57e041a9b/4e8267203ed245ac979c04ba53df279e/FLAG21c3dd2a1 [2021-10-29 03:06:12,313 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8582c157-d6bf-4b43-bdee-e8cf40e12df4/bin/ukojak-Rh5K9KB4LI/data/57e041a9b/4e8267203ed245ac979c04ba53df279e [2021-10-29 03:06:12,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:06:12,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:06:12,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:06:12,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:06:12,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:06:12,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:06:12" (1/1) ... [2021-10-29 03:06:12,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4183e30e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:12, skipping insertion in model container [2021-10-29 03:06:12,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:06:12" (1/1) ... [2021-10-29 03:06:12,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:06:12,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:06:12,525 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_8582c157-d6bf-4b43-bdee-e8cf40e12df4/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound2.c[573,586] [2021-10-29 03:06:12,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:06:12,547 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:06:12,560 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_8582c157-d6bf-4b43-bdee-e8cf40e12df4/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound2.c[573,586] [2021-10-29 03:06:12,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:06:12,584 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:06:12,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:12 WrapperNode [2021-10-29 03:06:12,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:06:12,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:06:12,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:06:12,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:06:12,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:12" (1/1) ... [2021-10-29 03:06:12,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:12" (1/1) ... [2021-10-29 03:06:12,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:06:12,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:06:12,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:06:12,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:06:12,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:12" (1/1) ... [2021-10-29 03:06:12,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:12" (1/1) ... [2021-10-29 03:06:12,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:12" (1/1) ... [2021-10-29 03:06:12,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:12" (1/1) ... [2021-10-29 03:06:12,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:12" (1/1) ... [2021-10-29 03:06:12,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:12" (1/1) ... [2021-10-29 03:06:12,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:12" (1/1) ... [2021-10-29 03:06:12,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:06:12,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:06:12,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:06:12,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:06:12,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:06:12" (1/1) ... [2021-10-29 03:06:12,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:06:12,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8582c157-d6bf-4b43-bdee-e8cf40e12df4/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:06:12,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8582c157-d6bf-4b43-bdee-e8cf40e12df4/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:06:12,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8582c157-d6bf-4b43-bdee-e8cf40e12df4/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:06:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 03:06:12,753 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 03:06:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:06:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:06:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:06:12,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:06:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 03:06:12,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 03:06:13,001 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:06:13,001 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 03:06:13,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:06:13 BoogieIcfgContainer [2021-10-29 03:06:13,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:06:13,005 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:06:13,005 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:06:13,016 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:06:13,016 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:06:13" (1/1) ... [2021-10-29 03:06:13,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:06:13,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:13,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2021-10-29 03:06:13,078 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2021-10-29 03:06:13,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:06:13,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:13,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:13,248 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 03:06:13,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:13,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2021-10-29 03:06:13,262 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2021-10-29 03:06:13,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:06:13,262 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:13,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:13,408 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 03:06:13,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:13,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 25 transitions. [2021-10-29 03:06:13,472 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2021-10-29 03:06:13,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:06:13,473 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:13,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:13,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-29 03:06:13,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:13,748 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 03:06:14,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:14,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2021-10-29 03:06:14,041 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2021-10-29 03:06:14,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:06:14,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:14,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:14,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-29 03:06:14,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:14,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:06:14,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:14,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 43 transitions. [2021-10-29 03:06:14,627 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2021-10-29 03:06:14,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:06:14,630 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:14,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:14,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 03:06:14,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:15,090 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:06:15,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:15,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 52 transitions. [2021-10-29 03:06:15,928 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2021-10-29 03:06:15,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:06:15,929 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:15,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:15,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 03:06:15,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:16,148 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:06:17,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:17,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 42 states and 70 transitions. [2021-10-29 03:06:17,130 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2021-10-29 03:06:17,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:06:17,132 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:17,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:17,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 03:06:17,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:17,391 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:06:18,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:18,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 72 transitions. [2021-10-29 03:06:18,036 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2021-10-29 03:06:18,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 03:06:18,038 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:18,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:06:18,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 03:06:18,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:06:18,258 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:06:20,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:06:20,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 89 transitions. [2021-10-29 03:06:20,158 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2021-10-29 03:06:20,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 03:06:20,164 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:06:20,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:06:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:06:20,207 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:06:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:06:20,250 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2021-10-29 03:06:20,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:06:20 ImpRootNode [2021-10-29 03:06:20,305 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:06:20,305 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:06:20,305 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:06:20,321 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:06:20,322 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:06:13" (3/4) ... [2021-10-29 03:06:20,324 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:06:20,427 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8582c157-d6bf-4b43-bdee-e8cf40e12df4/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:06:20,427 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:06:20,429 INFO L168 Benchmark]: Toolchain (without parser) took 8110.42 ms. Allocated memory was 88.1 MB in the beginning and 134.2 MB in the end (delta: 46.1 MB). Free memory was 53.6 MB in the beginning and 90.5 MB in the end (delta: -36.9 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:20,430 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory was 59.2 MB in the beginning and 59.2 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:06:20,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.75 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 53.6 MB in the beginning and 86.6 MB in the end (delta: -33.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:20,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.26 ms. Allocated memory is still 111.1 MB. Free memory was 86.6 MB in the beginning and 85.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:20,434 INFO L168 Benchmark]: Boogie Preprocessor took 33.40 ms. Allocated memory is still 111.1 MB. Free memory was 85.2 MB in the beginning and 84.3 MB in the end (delta: 895.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:06:20,435 INFO L168 Benchmark]: RCFGBuilder took 339.99 ms. Allocated memory is still 111.1 MB. Free memory was 84.3 MB in the beginning and 72.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:20,436 INFO L168 Benchmark]: CodeCheck took 7300.08 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 72.0 MB in the beginning and 93.6 MB in the end (delta: -21.7 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:20,437 INFO L168 Benchmark]: Witness Printer took 121.85 ms. Allocated memory is still 134.2 MB. Free memory was 93.6 MB in the beginning and 90.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:06:20,444 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 3920 SDtfs, 440 SDslu, 656 SDs, 0 SdLazy, 5398 SolverSat, 1930 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1398 GetRequests, 1247 SyntacticMatches, 35 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4980 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 187 NumberOfCodeBlocks, 187 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 581 SizeOfPredicates, 11 NumberOfNonLiveVariables, 529 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 37/50 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: [L22] int counter = 0; [L24] int x1, x2; [L25] int y1, y2, y3; [L26] x1 = __VERIFIER_nondet_int() [L27] x2 = __VERIFIER_nondet_int() [L29] CALL assume_abort_if_not(x1 >= 0) VAL [\old(cond)=1, counter=0] [L13] COND FALSE !(!cond) [L29] RET assume_abort_if_not(x1 >= 0) VAL [counter=0] [L30] CALL assume_abort_if_not(x2 != 0) VAL [\old(cond)=1, counter=0] [L13] COND FALSE !(!cond) [L30] RET assume_abort_if_not(x2 != 0) VAL [counter=0] [L32] y1 = 0 [L33] y2 = 0 [L34] y3 = x1 VAL [counter=0] [L36] EXPR counter++ VAL [counter=1] [L36] COND TRUE counter++<2 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, counter=1] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [counter=1] [L39] COND FALSE !(!(y3 != 0)) [L41] COND FALSE !(y2 + 1 == x2) [L46] y2 = y2 + 1 [L47] y3 = y3 - 1 VAL [counter=1] [L36] EXPR counter++ VAL [counter=2] [L36] COND TRUE counter++<2 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, counter=2] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [counter=2] [L39] COND FALSE !(!(y3 != 0)) [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [counter=2] [L36] EXPR counter++ VAL [counter=3] [L36] COND FALSE !(counter++<2) [L50] CALL __VERIFIER_assert(y1*x2 + y2 == x1) VAL [\old(cond)=0, counter=3] [L16] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=3] [L18] reach_error() VAL [\old(cond)=0, cond=0, counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory was 59.2 MB in the beginning and 59.2 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 266.75 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 53.6 MB in the beginning and 86.6 MB in the end (delta: -33.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.26 ms. Allocated memory is still 111.1 MB. Free memory was 86.6 MB in the beginning and 85.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.40 ms. Allocated memory is still 111.1 MB. Free memory was 85.2 MB in the beginning and 84.3 MB in the end (delta: 895.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 339.99 ms. Allocated memory is still 111.1 MB. Free memory was 84.3 MB in the beginning and 72.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 7300.08 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 72.0 MB in the beginning and 93.6 MB in the end (delta: -21.7 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. * Witness Printer took 121.85 ms. Allocated memory is still 134.2 MB. Free memory was 93.6 MB in the beginning and 90.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 03:06:20,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8582c157-d6bf-4b43-bdee-e8cf40e12df4/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...