./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-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_4f985ba6-b4a9-4477-ac19-acef9ea4cd56/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f985ba6-b4a9-4477-ac19-acef9ea4cd56/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_4f985ba6-b4a9-4477-ac19-acef9ea4cd56/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f985ba6-b4a9-4477-ac19-acef9ea4cd56/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f985ba6-b4a9-4477-ac19-acef9ea4cd56/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_4f985ba6-b4a9-4477-ac19-acef9ea4cd56/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 d04c68f644b4e34369c0299cad48e6ffd2dffe6006909b97954ecd16248ddfba ..................................................................................................................................................................................................................................................................................................................................................................................... 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 04:16:24,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:16:24,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:16:24,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:16:24,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:16:24,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:16:24,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:16:24,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:16:24,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:16:24,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:16:24,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:16:24,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:16:24,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:16:24,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:16:24,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:16:24,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:16:24,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:16:24,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:16:24,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:16:24,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:16:24,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:16:24,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:16:24,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:16:24,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:16:24,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:16:24,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:16:24,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:16:24,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:16:24,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:16:24,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:16:24,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:16:24,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:16:24,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:16:24,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:16:24,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:16:24,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:16:24,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:16:24,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:16:24,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:16:24,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:16:24,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:16:24,204 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f985ba6-b4a9-4477-ac19-acef9ea4cd56/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:16:24,256 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:16:24,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:16:24,258 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:16:24,258 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:16:24,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:16:24,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:16:24,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:16:24,260 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:16:24,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:16:24,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:16:24,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:16:24,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:16:24,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:16:24,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:16:24,267 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:16:24,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:16:24,268 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:16:24,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:16:24,268 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:16:24,268 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:16:24,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:16:24,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:16:24,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:16:24,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:16:24,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:16:24,270 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:16:24,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:16:24,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:16:24,270 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_4f985ba6-b4a9-4477-ac19-acef9ea4cd56/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f985ba6-b4a9-4477-ac19-acef9ea4cd56/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d04c68f644b4e34369c0299cad48e6ffd2dffe6006909b97954ecd16248ddfba [2021-10-29 04:16:24,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:16:24,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:16:24,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:16:24,545 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:16:24,546 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:16:24,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f985ba6-b4a9-4477-ac19-acef9ea4cd56/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound2.c [2021-10-29 04:16:24,621 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f985ba6-b4a9-4477-ac19-acef9ea4cd56/bin/ukojak-Rh5K9KB4LI/data/3f18a04c0/377624770f1e4de497a801de2bcaf9e0/FLAGbe01b7500 [2021-10-29 04:16:25,056 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:16:25,056 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f985ba6-b4a9-4477-ac19-acef9ea4cd56/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound2.c [2021-10-29 04:16:25,069 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f985ba6-b4a9-4477-ac19-acef9ea4cd56/bin/ukojak-Rh5K9KB4LI/data/3f18a04c0/377624770f1e4de497a801de2bcaf9e0/FLAGbe01b7500 [2021-10-29 04:16:25,420 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f985ba6-b4a9-4477-ac19-acef9ea4cd56/bin/ukojak-Rh5K9KB4LI/data/3f18a04c0/377624770f1e4de497a801de2bcaf9e0 [2021-10-29 04:16:25,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:16:25,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:16:25,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:16:25,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:16:25,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:16:25,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:16:25" (1/1) ... [2021-10-29 04:16:25,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f152ee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:16:25, skipping insertion in model container [2021-10-29 04:16:25,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:16:25" (1/1) ... [2021-10-29 04:16:25,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:16:25,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:16:25,635 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_4f985ba6-b4a9-4477-ac19-acef9ea4cd56/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound2.c[458,471] [2021-10-29 04:16:25,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:16:25,671 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:16:25,698 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_4f985ba6-b4a9-4477-ac19-acef9ea4cd56/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound2.c[458,471] [2021-10-29 04:16:25,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:16:25,718 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:16:25,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:16:25 WrapperNode [2021-10-29 04:16:25,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:16:25,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:16:25,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:16:25,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:16:25,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:16:25" (1/1) ... [2021-10-29 04:16:25,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:16:25" (1/1) ... [2021-10-29 04:16:25,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:16:25,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:16:25,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:16:25,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:16:25,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:16:25" (1/1) ... [2021-10-29 04:16:25,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:16:25" (1/1) ... [2021-10-29 04:16:25,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:16:25" (1/1) ... [2021-10-29 04:16:25,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:16:25" (1/1) ... [2021-10-29 04:16:25,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:16:25" (1/1) ... [2021-10-29 04:16:25,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:16:25" (1/1) ... [2021-10-29 04:16:25,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:16:25" (1/1) ... [2021-10-29 04:16:25,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:16:25,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:16:25,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:16:25,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:16:25,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:16:25" (1/1) ... [2021-10-29 04:16:25,785 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:16:25,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f985ba6-b4a9-4477-ac19-acef9ea4cd56/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:16:25,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f985ba6-b4a9-4477-ac19-acef9ea4cd56/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:16:25,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f985ba6-b4a9-4477-ac19-acef9ea4cd56/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:16:25,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:16:25,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:16:25,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:16:25,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:16:25,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 04:16:25,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 04:16:26,174 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:16:26,174 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 04:16:26,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:16:26 BoogieIcfgContainer [2021-10-29 04:16:26,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:16:26,178 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:16:26,178 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:16:26,203 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:16:26,203 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:16:26" (1/1) ... [2021-10-29 04:16:26,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:16:26,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:16:26,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2021-10-29 04:16:26,280 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2021-10-29 04:16:26,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:16:26,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:16:26,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:16:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:16:26,431 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 04:16:26,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:16:26,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2021-10-29 04:16:26,440 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-10-29 04:16:26,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 04:16:26,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:16:26,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:16:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:16:26,548 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 04:16:26,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:16:26,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-10-29 04:16:26,589 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-10-29 04:16:26,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 04:16:26,590 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:16:26,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:16:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:16:26,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:16:26,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:16:26,766 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 04:16:27,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:16:27,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2021-10-29 04:16:27,198 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2021-10-29 04:16:27,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:16:27,202 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:16:27,203 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:16:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:16:27,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:16:27,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:16:27,528 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 04:16:27,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:16:27,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2021-10-29 04:16:27,824 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2021-10-29 04:16:27,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 04:16:27,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:16:27,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:16:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:16:27,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:16:27,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:16:28,015 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 04:16:29,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:16:29,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 34 states and 58 transitions. [2021-10-29 04:16:29,052 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 58 transitions. [2021-10-29 04:16:29,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 04:16:29,053 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:16:29,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:16:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:16:29,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:16:29,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:16:29,221 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 04:16:29,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:16:29,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2021-10-29 04:16:29,962 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2021-10-29 04:16:29,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 04:16:29,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:16:29,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:16:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:16:30,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 04:16:30,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:16:30,089 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 04:16:30,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:16:30,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2021-10-29 04:16:30,533 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2021-10-29 04:16:30,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:16:30,534 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:16:30,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:16:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:16:30,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 04:16:30,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:16:30,671 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 04:16:30,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:16:30,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 80 transitions. [2021-10-29 04:16:30,906 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2021-10-29 04:16:30,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 04:16:30,907 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:16:30,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:16:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:16:30,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-29 04:16:30,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:16:31,217 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 04:16:31,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:16:31,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 84 transitions. [2021-10-29 04:16:31,837 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2021-10-29 04:16:31,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 04:16:31,838 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:16:31,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:16:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:16:31,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:16:31,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:16:32,019 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 04:16:33,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:16:33,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 52 states and 106 transitions. [2021-10-29 04:16:33,251 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 106 transitions. [2021-10-29 04:16:33,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 04:16:33,254 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:16:33,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:16:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:16:33,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 04:16:33,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:16:33,381 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 04:16:33,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:16:33,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 35 states and 59 transitions. [2021-10-29 04:16:33,827 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2021-10-29 04:16:33,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 04:16:33,829 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:16:33,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:16:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:16:33,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-29 04:16:33,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:16:34,235 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 04:16:36,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:16:36,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 37 states and 71 transitions. [2021-10-29 04:16:36,295 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2021-10-29 04:16:36,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 04:16:36,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:16:36,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:16:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:16:36,331 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:16:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:16:36,369 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 13 iterations. [2021-10-29 04:16:36,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:16:36 ImpRootNode [2021-10-29 04:16:36,407 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:16:36,408 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:16:36,408 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:16:36,408 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:16:36,409 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:16:26" (3/4) ... [2021-10-29 04:16:36,410 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 04:16:36,500 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f985ba6-b4a9-4477-ac19-acef9ea4cd56/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:16:36,500 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:16:36,502 INFO L168 Benchmark]: Toolchain (without parser) took 11078.13 ms. Allocated memory was 86.0 MB in the beginning and 151.0 MB in the end (delta: 65.0 MB). Free memory was 52.0 MB in the beginning and 56.5 MB in the end (delta: -4.5 MB). Peak memory consumption was 59.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:16:36,503 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 86.0 MB. Free memory was 56.3 MB in the beginning and 56.3 MB in the end (delta: 28.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:16:36,518 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.62 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 51.8 MB in the beginning and 81.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:16:36,519 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.84 ms. Allocated memory is still 104.9 MB. Free memory was 81.2 MB in the beginning and 79.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:16:36,520 INFO L168 Benchmark]: Boogie Preprocessor took 21.29 ms. Allocated memory is still 104.9 MB. Free memory was 79.8 MB in the beginning and 78.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:16:36,521 INFO L168 Benchmark]: RCFGBuilder took 401.07 ms. Allocated memory is still 104.9 MB. Free memory was 78.6 MB in the beginning and 66.9 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:16:36,522 INFO L168 Benchmark]: CodeCheck took 10229.51 ms. Allocated memory was 104.9 MB in the beginning and 151.0 MB in the end (delta: 46.1 MB). Free memory was 66.9 MB in the beginning and 59.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 56.0 MB. Max. memory is 16.1 GB. [2021-10-29 04:16:36,523 INFO L168 Benchmark]: Witness Printer took 92.52 ms. Allocated memory is still 151.0 MB. Free memory was 59.7 MB in the beginning and 56.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:16:36,529 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: 10.1s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 32768 SDtfs, 4226 SDslu, 8160 SDs, 0 SdLazy, 80762 SolverSat, 30976 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2068 GetRequests, 1832 SyntacticMatches, 58 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13623 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 704 SizeOfPredicates, 14 NumberOfNonLiveVariables, 858 ConjunctsInSsa, 91 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 73/98 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(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [\old(cond)=1, counter=1] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L29] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [counter=1] [L31] COND FALSE !(!(c < k)) [L34] c = c + 1 [L35] y = y + 1 [L36] x = y * y * y * y * y + x VAL [counter=1] [L28] EXPR counter++ VAL [counter=2] [L28] COND TRUE counter++<2 [L29] CALL __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [\old(cond)=1, counter=2] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L29] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [counter=2] [L31] COND FALSE !(!(c < k)) [L34] c = c + 1 [L35] y = y + 1 [L36] x = y * y * y * y * y + x VAL [counter=2] [L28] EXPR counter++ VAL [counter=3] [L28] COND FALSE !(counter++<2) [L39] CALL __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) VAL [\old(cond)=1, counter=3] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=3] [L39] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 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 0.22 ms. Allocated memory is still 86.0 MB. Free memory was 56.3 MB in the beginning and 56.3 MB in the end (delta: 28.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 294.62 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 51.8 MB in the beginning and 81.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.84 ms. Allocated memory is still 104.9 MB. Free memory was 81.2 MB in the beginning and 79.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.29 ms. Allocated memory is still 104.9 MB. Free memory was 79.8 MB in the beginning and 78.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 401.07 ms. Allocated memory is still 104.9 MB. Free memory was 78.6 MB in the beginning and 66.9 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 10229.51 ms. Allocated memory was 104.9 MB in the beginning and 151.0 MB in the end (delta: 46.1 MB). Free memory was 66.9 MB in the beginning and 59.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 56.0 MB. Max. memory is 16.1 GB. * Witness Printer took 92.52 ms. Allocated memory is still 151.0 MB. Free memory was 59.7 MB in the beginning and 56.5 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 incorrect! [2021-10-29 04:16:36,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f985ba6-b4a9-4477-ac19-acef9ea4cd56/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...