./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.05.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee0753-3f80-47d1-b150-aa66b7d1c1c9/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee0753-3f80-47d1-b150-aa66b7d1c1c9/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee0753-3f80-47d1-b150-aa66b7d1c1c9/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee0753-3f80-47d1-b150-aa66b7d1c1c9/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee0753-3f80-47d1-b150-aa66b7d1c1c9/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee0753-3f80-47d1-b150-aa66b7d1c1c9/bin/ukojak-92XMlrwhuB --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 2da11bd3e41242825a84e7ce5ef5e84de49bc9ea34d17f30793b4fe60d6fe11e --- 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-dbf71c6-m [2022-10-17 16:54:55,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:54:55,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:54:55,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:54:55,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:54:55,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:54:55,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:54:55,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:54:55,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:54:55,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:54:55,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:54:55,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:54:55,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:54:55,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:54:55,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:54:55,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:54:55,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:54:55,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:54:55,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:54:55,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:54:55,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:54:55,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:54:55,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:54:55,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:54:55,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:54:55,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:54:55,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:54:55,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:54:55,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:54:55,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:54:55,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:54:55,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:54:55,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:54:55,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:54:55,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:54:55,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:54:55,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:54:55,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:54:55,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:54:55,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:54:55,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:54:55,630 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee0753-3f80-47d1-b150-aa66b7d1c1c9/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-10-17 16:54:55,678 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:54:55,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:54:55,682 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:54:55,682 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:54:55,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:54:55,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:54:55,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:54:55,684 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:54:55,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:54:55,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:54:55,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:54:55,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:54:55,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:54:55,686 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:54:55,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:54:55,686 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:54:55,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:54:55,687 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:54:55,687 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:54:55,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:54:55,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:55,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:54:55,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:54:55,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:54:55,689 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:54:55,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:54:55,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:54:55,689 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_46ee0753-3f80-47d1-b150-aa66b7d1c1c9/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee0753-3f80-47d1-b150-aa66b7d1c1c9/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2da11bd3e41242825a84e7ce5ef5e84de49bc9ea34d17f30793b4fe60d6fe11e [2022-10-17 16:54:55,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:54:56,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:54:56,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:54:56,004 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:54:56,005 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:54:56,006 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee0753-3f80-47d1-b150-aa66b7d1c1c9/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.05.c [2022-10-17 16:54:56,068 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee0753-3f80-47d1-b150-aa66b7d1c1c9/bin/ukojak-92XMlrwhuB/data/3cf145f7f/3e48142f65ce403e97be85c42be2f296/FLAG06ac60385 [2022-10-17 16:54:56,521 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:54:56,522 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee0753-3f80-47d1-b150-aa66b7d1c1c9/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.05.c [2022-10-17 16:54:56,530 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee0753-3f80-47d1-b150-aa66b7d1c1c9/bin/ukojak-92XMlrwhuB/data/3cf145f7f/3e48142f65ce403e97be85c42be2f296/FLAG06ac60385 [2022-10-17 16:54:56,897 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee0753-3f80-47d1-b150-aa66b7d1c1c9/bin/ukojak-92XMlrwhuB/data/3cf145f7f/3e48142f65ce403e97be85c42be2f296 [2022-10-17 16:54:56,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:54:56,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:54:56,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:56,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:54:56,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:54:56,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:56" (1/1) ... [2022-10-17 16:54:56,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ae4d93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:56, skipping insertion in model container [2022-10-17 16:54:56,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:56" (1/1) ... [2022-10-17 16:54:56,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:54:56,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:54:57,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:57,198 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:54:57,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:57,235 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:54:57,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:57 WrapperNode [2022-10-17 16:54:57,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:57,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:57,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:54:57,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:54:57,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:57" (1/1) ... [2022-10-17 16:54:57,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:57" (1/1) ... [2022-10-17 16:54:57,272 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2022-10-17 16:54:57,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:57,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:54:57,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:54:57,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:54:57,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:57" (1/1) ... [2022-10-17 16:54:57,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:57" (1/1) ... [2022-10-17 16:54:57,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:57" (1/1) ... [2022-10-17 16:54:57,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:57" (1/1) ... [2022-10-17 16:54:57,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:57" (1/1) ... [2022-10-17 16:54:57,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:57" (1/1) ... [2022-10-17 16:54:57,300 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:57" (1/1) ... [2022-10-17 16:54:57,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:57" (1/1) ... [2022-10-17 16:54:57,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:54:57,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:54:57,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:54:57,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:54:57,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:57" (1/1) ... [2022-10-17 16:54:57,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:57,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee0753-3f80-47d1-b150-aa66b7d1c1c9/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:54:57,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee0753-3f80-47d1-b150-aa66b7d1c1c9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:54:57,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee0753-3f80-47d1-b150-aa66b7d1c1c9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:54:57,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:54:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:54:57,458 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:54:57,460 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:54:57,579 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:54:57,603 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:54:57,603 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:54:57,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:57 BoogieIcfgContainer [2022-10-17 16:54:57,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:54:57,607 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:54:57,608 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:54:57,619 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:54:57,620 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:57" (1/1) ... [2022-10-17 16:54:57,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:54:57,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:57,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-10-17 16:54:57,692 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-10-17 16:54:57,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:54:57,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:57,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:54:57,769 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:54:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:54:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:54:57,829 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:54:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:54:57,864 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-10-17 16:54:57,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:54:57 ImpRootNode [2022-10-17 16:54:57,887 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:54:57,888 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:54:57,888 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:54:57,888 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:54:57,889 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:57" (3/4) ... [2022-10-17 16:54:57,891 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:54:57,928 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee0753-3f80-47d1-b150-aa66b7d1c1c9/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:54:57,928 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:54:57,930 INFO L158 Benchmark]: Toolchain (without parser) took 1025.00ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 52.7MB in the beginning and 64.8MB in the end (delta: -12.1MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-10-17 16:54:57,931 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory was 68.5MB in the beginning and 68.4MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:54:57,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.70ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 52.5MB in the beginning and 88.5MB in the end (delta: -36.0MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-10-17 16:54:57,934 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.98ms. Allocated memory is still 111.1MB. Free memory was 88.5MB in the beginning and 87.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:54:57,935 INFO L158 Benchmark]: Boogie Preprocessor took 28.48ms. Allocated memory is still 111.1MB. Free memory was 87.0MB in the beginning and 86.1MB in the end (delta: 918.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:54:57,936 INFO L158 Benchmark]: RCFGBuilder took 301.67ms. Allocated memory is still 111.1MB. Free memory was 86.1MB in the beginning and 76.5MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:54:57,937 INFO L158 Benchmark]: CodeCheck took 279.86ms. Allocated memory is still 111.1MB. Free memory was 76.5MB in the beginning and 66.3MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:54:57,938 INFO L158 Benchmark]: Witness Printer took 40.58ms. Allocated memory is still 111.1MB. Free memory was 66.0MB in the beginning and 64.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:54:57,945 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 1 procedures, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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: [L21] int x = __VERIFIER_nondet_int(); [L22] int y = __VERIFIER_nondet_int(); [L23] COND TRUE x < y VAL [x=1073741823, y=1073741825] [L24] x + y VAL [x=1073741823, y=1073741825] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory was 68.5MB in the beginning and 68.4MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.70ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 52.5MB in the beginning and 88.5MB in the end (delta: -36.0MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.98ms. Allocated memory is still 111.1MB. Free memory was 88.5MB in the beginning and 87.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.48ms. Allocated memory is still 111.1MB. Free memory was 87.0MB in the beginning and 86.1MB in the end (delta: 918.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 301.67ms. Allocated memory is still 111.1MB. Free memory was 86.1MB in the beginning and 76.5MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 279.86ms. Allocated memory is still 111.1MB. Free memory was 76.5MB in the beginning and 66.3MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 40.58ms. Allocated memory is still 111.1MB. Free memory was 66.0MB in the beginning and 64.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:54:58,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46ee0753-3f80-47d1-b150-aa66b7d1c1c9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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)