./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_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_79bacbec-c54e-41fe-bda2-edc22bfa55c5/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bacbec-c54e-41fe-bda2-edc22bfa55c5/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_79bacbec-c54e-41fe-bda2-edc22bfa55c5/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bacbec-c54e-41fe-bda2-edc22bfa55c5/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bacbec-c54e-41fe-bda2-edc22bfa55c5/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_79bacbec-c54e-41fe-bda2-edc22bfa55c5/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 402079e1c7de243c4e41f5ffecd6596c904161a3f8e591ee220484899b186d55 ........................................................................................................................................................................................................................................................................................................................................................................... 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 02:54:26,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:54:26,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:54:26,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:54:26,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:54:26,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:54:26,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:54:26,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:54:26,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:54:26,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:54:26,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:54:26,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:54:26,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:54:26,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:54:26,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:54:26,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:54:26,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:54:26,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:54:26,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:54:26,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:54:26,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:54:26,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:54:26,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:54:26,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:54:26,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:54:26,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:54:26,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:54:26,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:54:26,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:54:26,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:54:26,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:54:26,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:54:26,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:54:26,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:54:26,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:54:26,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:54:26,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:54:26,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:54:26,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:54:26,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:54:26,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:54:26,260 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bacbec-c54e-41fe-bda2-edc22bfa55c5/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 02:54:26,289 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:54:26,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:54:26,290 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:54:26,290 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:54:26,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:54:26,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:54:26,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:54:26,292 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:54:26,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:54:26,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:54:26,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:54:26,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:54:26,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:54:26,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:54:26,293 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:54:26,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:54:26,294 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:54:26,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:54:26,294 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:54:26,294 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:54:26,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:54:26,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:54:26,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:54:26,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:54:26,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:54:26,296 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 02:54:26,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:54:26,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:54:26,296 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_79bacbec-c54e-41fe-bda2-edc22bfa55c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bacbec-c54e-41fe-bda2-edc22bfa55c5/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 402079e1c7de243c4e41f5ffecd6596c904161a3f8e591ee220484899b186d55 [2021-10-29 02:54:26,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:54:26,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:54:26,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:54:26,587 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:54:26,588 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:54:26,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bacbec-c54e-41fe-bda2-edc22bfa55c5/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c [2021-10-29 02:54:26,673 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bacbec-c54e-41fe-bda2-edc22bfa55c5/bin/ukojak-Rh5K9KB4LI/data/5d748d173/a262caa3439f47c3b203bab9b8ae74cc/FLAG56393be03 [2021-10-29 02:54:27,159 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:54:27,160 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bacbec-c54e-41fe-bda2-edc22bfa55c5/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c [2021-10-29 02:54:27,171 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bacbec-c54e-41fe-bda2-edc22bfa55c5/bin/ukojak-Rh5K9KB4LI/data/5d748d173/a262caa3439f47c3b203bab9b8ae74cc/FLAG56393be03 [2021-10-29 02:54:27,520 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bacbec-c54e-41fe-bda2-edc22bfa55c5/bin/ukojak-Rh5K9KB4LI/data/5d748d173/a262caa3439f47c3b203bab9b8ae74cc [2021-10-29 02:54:27,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:54:27,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:54:27,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:54:27,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:54:27,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:54:27,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:54:27" (1/1) ... [2021-10-29 02:54:27,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12bce9f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:27, skipping insertion in model container [2021-10-29 02:54:27,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:54:27" (1/1) ... [2021-10-29 02:54:27,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:54:27,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:54:27,735 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_79bacbec-c54e-41fe-bda2-edc22bfa55c5/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c[458,471] [2021-10-29 02:54:27,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:54:27,761 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:54:27,774 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_79bacbec-c54e-41fe-bda2-edc22bfa55c5/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c[458,471] [2021-10-29 02:54:27,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:54:27,795 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:54:27,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:27 WrapperNode [2021-10-29 02:54:27,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:54:27,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:54:27,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:54:27,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:54:27,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:27" (1/1) ... [2021-10-29 02:54:27,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:27" (1/1) ... [2021-10-29 02:54:27,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:54:27,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:54:27,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:54:27,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:54:27,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:27" (1/1) ... [2021-10-29 02:54:27,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:27" (1/1) ... [2021-10-29 02:54:27,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:27" (1/1) ... [2021-10-29 02:54:27,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:27" (1/1) ... [2021-10-29 02:54:27,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:27" (1/1) ... [2021-10-29 02:54:27,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:27" (1/1) ... [2021-10-29 02:54:27,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:27" (1/1) ... [2021-10-29 02:54:27,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:54:27,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:54:27,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:54:27,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:54:27,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:27" (1/1) ... [2021-10-29 02:54:27,914 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:54:27,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bacbec-c54e-41fe-bda2-edc22bfa55c5/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:54:27,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bacbec-c54e-41fe-bda2-edc22bfa55c5/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:54:27,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bacbec-c54e-41fe-bda2-edc22bfa55c5/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:54:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:54:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:54:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:54:28,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:54:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 02:54:28,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 02:54:28,280 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:54:28,280 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 02:54:28,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:54:28 BoogieIcfgContainer [2021-10-29 02:54:28,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:54:28,284 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 02:54:28,284 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 02:54:28,295 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 02:54:28,295 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:54:28" (1/1) ... [2021-10-29 02:54:28,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:54:28,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:28,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2021-10-29 02:54:28,343 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2021-10-29 02:54:28,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 02:54:28,344 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:28,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:28,538 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 02:54:28,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:28,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2021-10-29 02:54:28,547 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-10-29 02:54:28,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 02:54:28,547 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:28,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:28,611 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 02:54:28,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:28,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-10-29 02:54:28,679 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-10-29 02:54:28,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 02:54:28,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:28,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:28,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 02:54:28,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 02:54:28,923 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 02:54:29,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:29,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2021-10-29 02:54:29,241 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2021-10-29 02:54:29,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 02:54:29,245 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:29,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:29,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 02:54:29,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 02:54:29,477 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 02:54:30,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:30,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2021-10-29 02:54:30,068 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2021-10-29 02:54:30,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 02:54:30,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:30,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:30,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 02:54:30,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 02:54:30,235 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:54:30,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:30,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2021-10-29 02:54:30,884 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2021-10-29 02:54:30,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 02:54:30,885 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:30,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:30,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 02:54:30,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 02:54:31,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:54:31,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:31,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2021-10-29 02:54:31,945 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2021-10-29 02:54:31,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 02:54:31,946 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:31,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:31,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 02:54:31,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 02:54:32,058 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:54:32,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:32,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2021-10-29 02:54:32,456 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2021-10-29 02:54:32,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 02:54:32,458 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:32,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:32,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 02:54:32,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 02:54:32,589 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 02:54:32,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:32,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 80 transitions. [2021-10-29 02:54:32,683 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2021-10-29 02:54:32,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 02:54:32,685 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:32,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:32,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-29 02:54:32,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 02:54:32,948 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 02:54:33,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:33,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 45 states and 86 transitions. [2021-10-29 02:54:33,653 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2021-10-29 02:54:33,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 02:54:33,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:33,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:33,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 02:54:33,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 02:54:33,833 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:54:35,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:35,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 35 states and 59 transitions. [2021-10-29 02:54:35,360 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2021-10-29 02:54:35,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 02:54:35,362 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:35,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:54:35,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-29 02:54:35,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 02:54:35,761 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-29 02:54:37,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:54:37,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 37 states and 71 transitions. [2021-10-29 02:54:37,917 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2021-10-29 02:54:37,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 02:54:37,919 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:54:37,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:54:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 02:54:37,971 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 02:54:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 02:54:38,044 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2021-10-29 02:54:38,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 02:54:38 ImpRootNode [2021-10-29 02:54:38,113 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 02:54:38,114 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 02:54:38,114 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 02:54:38,114 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 02:54:38,115 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:54:28" (3/4) ... [2021-10-29 02:54:38,116 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 02:54:38,214 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bacbec-c54e-41fe-bda2-edc22bfa55c5/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 02:54:38,214 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 02:54:38,216 INFO L168 Benchmark]: Toolchain (without parser) took 10687.97 ms. Allocated memory was 88.1 MB in the beginning and 136.3 MB in the end (delta: 48.2 MB). Free memory was 51.7 MB in the beginning and 108.5 MB in the end (delta: -56.7 MB). Peak memory consumption was 60.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:38,217 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 88.1 MB. Free memory is still 68.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:54:38,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.82 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 51.6 MB in the beginning and 89.1 MB in the end (delta: -37.5 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:38,219 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.38 ms. Allocated memory is still 113.2 MB. Free memory was 89.1 MB in the beginning and 87.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:38,220 INFO L168 Benchmark]: Boogie Preprocessor took 43.97 ms. Allocated memory is still 113.2 MB. Free memory was 87.6 MB in the beginning and 86.6 MB in the end (delta: 998.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:38,221 INFO L168 Benchmark]: RCFGBuilder took 378.69 ms. Allocated memory is still 113.2 MB. Free memory was 86.6 MB in the beginning and 75.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:38,222 INFO L168 Benchmark]: CodeCheck took 9829.41 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 74.8 MB in the beginning and 42.6 MB in the end (delta: 32.2 MB). Peak memory consumption was 56.9 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:38,223 INFO L168 Benchmark]: Witness Printer took 100.78 ms. Allocated memory is still 136.3 MB. Free memory was 42.6 MB in the beginning and 108.5 MB in the end (delta: -65.9 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:38,229 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, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.7s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 16384 SDtfs, 1738 SDslu, 3808 SDs, 0 SdLazy, 38314 SolverSat, 14600 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1895 GetRequests, 1689 SyntacticMatches, 38 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11775 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 196 NumberOfCodeBlocks, 196 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 631 SizeOfPredicates, 13 NumberOfNonLiveVariables, 756 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 56/80 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: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int counter = 0; [L19] short k; [L20] long long y, x, c; [L21] k = __VERIFIER_nondet_short() [L7] COND FALSE !(!cond) [L24] y = 0 [L25] x = 0 [L26] c = 0 VAL [counter=0] [L28] EXPR counter++ VAL [counter=1] [L28] COND TRUE counter++<2 [L29] CALL __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) VAL [\old(cond)=1, counter=1] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L29] RET __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) VAL [counter=1] [L31] COND FALSE !(!(c < k)) [L34] c = c + 1 [L35] y = y + 1 [L36] x = y * y * y * y + x VAL [counter=1] [L28] EXPR counter++ VAL [counter=2] [L28] COND TRUE counter++<2 [L29] CALL __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) VAL [\old(cond)=1, counter=2] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L29] RET __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) VAL [counter=2] [L31] COND FALSE !(!(c < k)) [L34] c = c + 1 [L35] y = y + 1 [L36] x = y * y * y * y + x VAL [counter=2] [L28] EXPR counter++ VAL [counter=3] [L28] COND FALSE !(counter++<2) [L39] CALL __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) VAL [\old(cond)=1, counter=3] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=3] [L39] RET __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) VAL [counter=3] [L40] CALL __VERIFIER_assert(k*y == y*y) VAL [\old(cond)=0, counter=3] [L10] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=3] [L12] 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 0.37 ms. Allocated memory is still 88.1 MB. Free memory is still 68.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 264.82 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 51.6 MB in the beginning and 89.1 MB in the end (delta: -37.5 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.38 ms. Allocated memory is still 113.2 MB. Free memory was 89.1 MB in the beginning and 87.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.97 ms. Allocated memory is still 113.2 MB. Free memory was 87.6 MB in the beginning and 86.6 MB in the end (delta: 998.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 378.69 ms. Allocated memory is still 113.2 MB. Free memory was 86.6 MB in the beginning and 75.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 9829.41 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 74.8 MB in the beginning and 42.6 MB in the end (delta: 32.2 MB). Peak memory consumption was 56.9 MB. Max. memory is 16.1 GB. * Witness Printer took 100.78 ms. Allocated memory is still 136.3 MB. Free memory was 42.6 MB in the beginning and 108.5 MB in the end (delta: -65.9 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 02:54:38,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79bacbec-c54e-41fe-bda2-edc22bfa55c5/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...