./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/MultCommutative-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e00c887-40da-4bcc-b60c-e952bc2c1f41/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e00c887-40da-4bcc-b60c-e952bc2c1f41/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e00c887-40da-4bcc-b60c-e952bc2c1f41/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e00c887-40da-4bcc-b60c-e952bc2c1f41/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/MultCommutative-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e00c887-40da-4bcc-b60c-e952bc2c1f41/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e00c887-40da-4bcc-b60c-e952bc2c1f41/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2f58e1f128e4dbefcdb138e1f7ef5e4260326da20e0bd376d80fe12a55b55920 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 16:43:43,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:43:43,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:43:43,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:43:43,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:43:43,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:43:43,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:43:43,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:43:43,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:43:43,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:43:43,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:43:43,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:43:43,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:43:43,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:43:43,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:43:43,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:43:43,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:43:43,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:43:43,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:43:43,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:43:43,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:43:43,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:43:43,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:43:43,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:43:43,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:43:43,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:43:43,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:43:43,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:43:43,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:43:43,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:43:43,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:43:43,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:43:43,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:43:43,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:43:43,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:43:43,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:43:43,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:43:43,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:43:43,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:43:43,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:43:43,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:43:43,216 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e00c887-40da-4bcc-b60c-e952bc2c1f41/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:43:43,251 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:43:43,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:43:43,256 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:43:43,257 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:43:43,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:43:43,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:43:43,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:43:43,258 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:43:43,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:43:43,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:43:43,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:43:43,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:43:43,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:43:43,261 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:43:43,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:43:43,261 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:43:43,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:43:43,262 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:43:43,262 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:43:43,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:43:43,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:43:43,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:43:43,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:43:43,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:43:43,264 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:43:43,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:43:43,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:43:43,265 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_1e00c887-40da-4bcc-b60c-e952bc2c1f41/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e00c887-40da-4bcc-b60c-e952bc2c1f41/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f58e1f128e4dbefcdb138e1f7ef5e4260326da20e0bd376d80fe12a55b55920 [2022-11-20 16:43:43,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:43:43,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:43:43,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:43:43,603 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:43:43,604 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:43:43,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e00c887-40da-4bcc-b60c-e952bc2c1f41/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-numeric/MultCommutative-1.c [2022-11-20 16:43:46,886 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:43:47,119 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:43:47,120 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e00c887-40da-4bcc-b60c-e952bc2c1f41/sv-benchmarks/c/termination-numeric/MultCommutative-1.c [2022-11-20 16:43:47,127 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e00c887-40da-4bcc-b60c-e952bc2c1f41/bin/ukojak-pZX7IvK2PQ/data/b9debab4b/25064305ac6347ab97b587c966147774/FLAG63d7d754f [2022-11-20 16:43:47,146 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e00c887-40da-4bcc-b60c-e952bc2c1f41/bin/ukojak-pZX7IvK2PQ/data/b9debab4b/25064305ac6347ab97b587c966147774 [2022-11-20 16:43:47,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:43:47,152 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:43:47,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:43:47,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:43:47,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:43:47,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:43:47" (1/1) ... [2022-11-20 16:43:47,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2921b1b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:47, skipping insertion in model container [2022-11-20 16:43:47,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:43:47" (1/1) ... [2022-11-20 16:43:47,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:43:47,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:43:47,337 WARN L237 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_1e00c887-40da-4bcc-b60c-e952bc2c1f41/sv-benchmarks/c/termination-numeric/MultCommutative-1.c[1008,1021] [2022-11-20 16:43:47,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:43:47,349 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:43:47,369 WARN L237 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_1e00c887-40da-4bcc-b60c-e952bc2c1f41/sv-benchmarks/c/termination-numeric/MultCommutative-1.c[1008,1021] [2022-11-20 16:43:47,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:43:47,384 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:43:47,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:47 WrapperNode [2022-11-20 16:43:47,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:43:47,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:43:47,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:43:47,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:43:47,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:47" (1/1) ... [2022-11-20 16:43:47,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:47" (1/1) ... [2022-11-20 16:43:47,425 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2022-11-20 16:43:47,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:43:47,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:43:47,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:43:47,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:43:47,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:47" (1/1) ... [2022-11-20 16:43:47,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:47" (1/1) ... [2022-11-20 16:43:47,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:47" (1/1) ... [2022-11-20 16:43:47,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:47" (1/1) ... [2022-11-20 16:43:47,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:47" (1/1) ... [2022-11-20 16:43:47,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:47" (1/1) ... [2022-11-20 16:43:47,460 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:47" (1/1) ... [2022-11-20 16:43:47,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:47" (1/1) ... [2022-11-20 16:43:47,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:43:47,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:43:47,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:43:47,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:43:47,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:47" (1/1) ... [2022-11-20 16:43:47,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:43:47,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e00c887-40da-4bcc-b60c-e952bc2c1f41/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:43:47,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e00c887-40da-4bcc-b60c-e952bc2c1f41/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:43:47,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e00c887-40da-4bcc-b60c-e952bc2c1f41/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:43:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:43:47,568 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2022-11-20 16:43:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2022-11-20 16:43:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:43:47,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:43:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:43:47,648 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:43:47,650 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:43:47,837 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:43:47,861 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:43:47,861 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:43:47,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:43:47 BoogieIcfgContainer [2022-11-20 16:43:47,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:43:47,865 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:43:47,866 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:43:47,876 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:43:47,890 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:43:47" (1/1) ... [2022-11-20 16:43:47,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:43:47,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:47,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2022-11-20 16:43:47,959 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-11-20 16:43:47,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:43:47,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:47,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:48,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:48,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:48,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 40 transitions. [2022-11-20 16:43:48,322 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2022-11-20 16:43:48,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:43:48,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:48,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:48,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:48,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:48,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 47 transitions. [2022-11-20 16:43:48,733 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2022-11-20 16:43:48,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:43:48,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:48,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:48,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:48,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:48,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 46 transitions. [2022-11-20 16:43:48,797 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-11-20 16:43:48,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:43:48,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:48,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:48,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:49,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:49,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 51 transitions. [2022-11-20 16:43:49,117 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2022-11-20 16:43:49,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:43:49,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:49,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:49,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:49,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:49,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 49 transitions. [2022-11-20 16:43:49,568 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2022-11-20 16:43:49,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:43:49,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:49,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:49,740 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:49,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:49,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 52 transitions. [2022-11-20 16:43:49,838 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2022-11-20 16:43:49,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:43:49,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:49,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:49,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 16:43:49,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:49,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 51 transitions. [2022-11-20 16:43:49,937 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2022-11-20 16:43:49,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:43:49,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:49,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:50,038 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:50,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:50,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 50 transitions. [2022-11-20 16:43:50,419 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2022-11-20 16:43:50,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 16:43:50,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:50,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:50,668 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:51,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:51,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 49 states and 74 transitions. [2022-11-20 16:43:51,251 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 74 transitions. [2022-11-20 16:43:51,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:43:51,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:51,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:51,360 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:43:51,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:51,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 49 states and 73 transitions. [2022-11-20 16:43:51,598 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2022-11-20 16:43:51,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 16:43:51,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:51,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:51,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:43:52,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:52,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 58 states and 90 transitions. [2022-11-20 16:43:52,812 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 90 transitions. [2022-11-20 16:43:52,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 16:43:52,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:52,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:52,857 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 16:43:53,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:53,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 41 states and 57 transitions. [2022-11-20 16:43:53,094 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2022-11-20 16:43:53,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:43:53,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:53,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:43:53,497 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:43:54,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:43:54,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 45 states and 73 transitions. [2022-11-20 16:43:54,630 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 73 transitions. [2022-11-20 16:43:54,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 16:43:54,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:43:54,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:43:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:43:54,656 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:43:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:43:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:43:54,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:43:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:43:54,758 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 14 iterations. [2022-11-20 16:43:54,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:43:54 ImpRootNode [2022-11-20 16:43:54,789 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:43:54,789 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:43:54,789 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:43:54,790 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:43:54,790 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:43:47" (3/4) ... [2022-11-20 16:43:54,792 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 16:43:54,833 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e00c887-40da-4bcc-b60c-e952bc2c1f41/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:43:54,834 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:43:54,835 INFO L158 Benchmark]: Toolchain (without parser) took 7682.38ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 102.1MB in the beginning and 86.9MB in the end (delta: 15.2MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2022-11-20 16:43:54,835 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 107.0MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:43:54,836 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.87ms. Allocated memory is still 146.8MB. Free memory was 102.1MB in the beginning and 91.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 16:43:54,836 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.56ms. Allocated memory is still 146.8MB. Free memory was 91.6MB in the beginning and 90.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:43:54,837 INFO L158 Benchmark]: Boogie Preprocessor took 35.99ms. Allocated memory is still 146.8MB. Free memory was 90.5MB in the beginning and 89.5MB in the end (delta: 995.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:43:54,837 INFO L158 Benchmark]: RCFGBuilder took 401.50ms. Allocated memory is still 146.8MB. Free memory was 89.5MB in the beginning and 77.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 16:43:54,838 INFO L158 Benchmark]: CodeCheck took 6923.38ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 77.4MB in the beginning and 88.9MB in the end (delta: -11.5MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2022-11-20 16:43:54,839 INFO L158 Benchmark]: Witness Printer took 44.57ms. Allocated memory is still 176.2MB. Free memory was 88.9MB in the beginning and 86.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:43:54,842 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, 30 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 6.8s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 824 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 443 mSDsluCounter, 557 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 180 mSDsCounter, 569 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2095 IncrementalHoareTripleChecker+Invalid, 2664 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 569 mSolverCounterUnsat, 377 mSDtfsCounter, 2095 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1907 GetRequests, 1765 SyntacticMatches, 18 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5850 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 224 NumberOfCodeBlocks, 224 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 183 ConstructedInterpolants, 0 QuantifiedInterpolants, 433 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 36/51 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: 24]: integer overflow possible integer overflow possible We found a FailurePath: [L28] int m = __VERIFIER_nondet_int(); [L29] COND FALSE !(m < 0) [L32] int n = __VERIFIER_nondet_int(); [L33] COND FALSE !(n < 0) VAL [m=2147483647, n=2] [L36] CALL mult(m, n) VAL [\old(m)=2, \old(n)=2147483647] [L18] COND FALSE !(m < 0) VAL [\old(m)=2, \old(n)=2147483647, m=2, n=2147483647] [L21] COND FALSE !(m == 0) VAL [\old(m)=2, \old(n)=2147483647, m=2, n=2147483647] [L24] EXPR m - 1 VAL [\old(m)=2, \old(n)=2147483647, m=2, n=2147483647] [L24] CALL, EXPR mult(n, m - 1) VAL [\old(m)=1, \old(n)=2147483647] [L18] COND FALSE !(m < 0) VAL [\old(m)=1, \old(n)=2147483647, m=1, n=2147483647] [L21] COND FALSE !(m == 0) VAL [\old(m)=1, \old(n)=2147483647, m=1, n=2147483647] [L24] EXPR m - 1 VAL [\old(m)=1, \old(n)=2147483647, m=1, n=2147483647] [L24] CALL, EXPR mult(n, m - 1) VAL [\old(m)=0, \old(n)=2147483647] [L18] COND FALSE !(m < 0) VAL [\old(m)=0, \old(n)=2147483647, m=0, n=2147483647] [L21] COND TRUE m == 0 [L22] return 0; VAL [\old(m)=0, \old(n)=2147483647, \result=0, m=0, n=2147483647] [L24] RET, EXPR mult(n, m - 1) VAL [\old(m)=1, \old(n)=2147483647, m=1, mult(n, m - 1)=0, n=2147483647] [L24] EXPR n + mult(n, m - 1) [L24] return n + mult(n, m - 1); [L24] RET, EXPR mult(n, m - 1) VAL [\old(m)=2, \old(n)=2147483647, m=2, mult(n, m - 1)=2147483647, n=2147483647] [L24] n + mult(n, m - 1) VAL [\old(m)=2, \old(n)=2147483647, m=2, mult(n, m - 1)=2147483647, n=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 107.0MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.87ms. Allocated memory is still 146.8MB. Free memory was 102.1MB in the beginning and 91.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.56ms. Allocated memory is still 146.8MB. Free memory was 91.6MB in the beginning and 90.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.99ms. Allocated memory is still 146.8MB. Free memory was 90.5MB in the beginning and 89.5MB in the end (delta: 995.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 401.50ms. Allocated memory is still 146.8MB. Free memory was 89.5MB in the beginning and 77.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 6923.38ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 77.4MB in the beginning and 88.9MB in the end (delta: -11.5MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Witness Printer took 44.57ms. Allocated memory is still 176.2MB. Free memory was 88.9MB in the beginning and 86.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 16:43:54,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e00c887-40da-4bcc-b60c-e952bc2c1f41/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)