./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/hard-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_01b20bbd-4bf2-4978-85a4-f4681275afd0/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b20bbd-4bf2-4978-85a4-f4681275afd0/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b20bbd-4bf2-4978-85a4-f4681275afd0/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b20bbd-4bf2-4978-85a4-f4681275afd0/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/hard-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b20bbd-4bf2-4978-85a4-f4681275afd0/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b20bbd-4bf2-4978-85a4-f4681275afd0/bin/ukojak-rkRKPMF4O4 --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 32bit --witnessprinter.graph.data.programhash a8c101ee37a0c4dda77d0f6020d02b4a6b2dd6a6dc6836de695d87f1624d721b --- 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-2329fc7 [2022-12-15 01:30:17,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:30:17,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:30:17,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:30:17,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:30:17,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:30:17,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:30:17,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:30:17,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:30:17,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:30:17,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:30:17,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:30:17,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:30:17,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:30:17,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:30:17,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:30:17,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:30:17,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:30:17,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:30:17,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:30:17,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:30:17,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:30:17,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:30:17,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:30:17,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:30:17,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:30:17,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:30:17,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:30:17,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:30:17,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:30:17,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:30:17,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:30:17,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:30:17,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:30:17,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:30:17,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:30:17,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:30:17,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:30:17,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:30:17,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:30:17,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:30:17,308 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b20bbd-4bf2-4978-85a4-f4681275afd0/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 01:30:17,328 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:30:17,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:30:17,334 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:30:17,335 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:30:17,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:30:17,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:30:17,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:30:17,336 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:30:17,336 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:30:17,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:30:17,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:30:17,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:30:17,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:30:17,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:30:17,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:30:17,337 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:30:17,337 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:30:17,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:30:17,338 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:30:17,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:30:17,338 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:30:17,338 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:30:17,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:30:17,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:30:17,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:30:17,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:30:17,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:30:17,339 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:30:17,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:30:17,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:30:17,340 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_01b20bbd-4bf2-4978-85a4-f4681275afd0/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b20bbd-4bf2-4978-85a4-f4681275afd0/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8c101ee37a0c4dda77d0f6020d02b4a6b2dd6a6dc6836de695d87f1624d721b [2022-12-15 01:30:17,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:30:17,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:30:17,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:30:17,535 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:30:17,536 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:30:17,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b20bbd-4bf2-4978-85a4-f4681275afd0/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-nla/hard-both-nt.c [2022-12-15 01:30:20,000 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:30:20,165 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:30:20,165 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b20bbd-4bf2-4978-85a4-f4681275afd0/sv-benchmarks/c/termination-nla/hard-both-nt.c [2022-12-15 01:30:20,169 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b20bbd-4bf2-4978-85a4-f4681275afd0/bin/ukojak-rkRKPMF4O4/data/820cee056/ff216670a9494e16a44bea9e44a9013c/FLAG687d50efe [2022-12-15 01:30:20,592 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b20bbd-4bf2-4978-85a4-f4681275afd0/bin/ukojak-rkRKPMF4O4/data/820cee056/ff216670a9494e16a44bea9e44a9013c [2022-12-15 01:30:20,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:30:20,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:30:20,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:30:20,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:30:20,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:30:20,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:30:20" (1/1) ... [2022-12-15 01:30:20,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@716b3a3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:20, skipping insertion in model container [2022-12-15 01:30:20,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:30:20" (1/1) ... [2022-12-15 01:30:20,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:30:20,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:30:20,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:30:20,713 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:30:20,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:30:20,732 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:30:20,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:20 WrapperNode [2022-12-15 01:30:20,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:30:20,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:30:20,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:30:20,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:30:20,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:20" (1/1) ... [2022-12-15 01:30:20,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:20" (1/1) ... [2022-12-15 01:30:20,753 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2022-12-15 01:30:20,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:30:20,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:30:20,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:30:20,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:30:20,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:20" (1/1) ... [2022-12-15 01:30:20,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:20" (1/1) ... [2022-12-15 01:30:20,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:20" (1/1) ... [2022-12-15 01:30:20,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:20" (1/1) ... [2022-12-15 01:30:20,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:20" (1/1) ... [2022-12-15 01:30:20,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:20" (1/1) ... [2022-12-15 01:30:20,765 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:20" (1/1) ... [2022-12-15 01:30:20,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:20" (1/1) ... [2022-12-15 01:30:20,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:30:20,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:30:20,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:30:20,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:30:20,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:30:20" (1/1) ... [2022-12-15 01:30:20,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:30:20,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b20bbd-4bf2-4978-85a4-f4681275afd0/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:30:20,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b20bbd-4bf2-4978-85a4-f4681275afd0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:30:20,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b20bbd-4bf2-4978-85a4-f4681275afd0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:30:20,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:30:20,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:30:20,861 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:30:20,863 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:30:20,996 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:30:21,008 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:30:21,008 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 01:30:21,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:30:21 BoogieIcfgContainer [2022-12-15 01:30:21,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:30:21,010 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:30:21,010 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:30:21,017 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:30:21,017 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:30:21" (1/1) ... [2022-12-15 01:30:21,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:30:21,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:30:21,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 46 states and 51 transitions. [2022-12-15 01:30:21,061 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2022-12-15 01:30:21,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 01:30:21,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:30:21,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:30:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:30:21,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 01:30:21,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:30:21,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:30:21,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:30:21,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 48 states and 52 transitions. [2022-12-15 01:30:21,227 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2022-12-15 01:30:21,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:30:21,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:30:21,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:30:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:30:21,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 01:30:21,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:30:21,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:30:21,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:30:21,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2022-12-15 01:30:21,369 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2022-12-15 01:30:21,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:30:21,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:30:21,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:30:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:30:21,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-15 01:30:21,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:30:21,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:30:21,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:30:21,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 52 states and 60 transitions. [2022-12-15 01:30:21,577 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2022-12-15 01:30:21,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:30:21,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:30:21,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:30:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:30:21,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 01:30:21,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:30:21,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:30:21,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:30:21,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 56 states and 68 transitions. [2022-12-15 01:30:21,891 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2022-12-15 01:30:21,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:30:21,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:30:21,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:30:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 01:30:21,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 01:30:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 01:30:21,917 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2022-12-15 01:30:21,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:30:21 ImpRootNode [2022-12-15 01:30:21,935 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:30:21,936 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:30:21,936 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:30:21,936 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:30:21,936 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:30:21" (3/4) ... [2022-12-15 01:30:21,938 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 01:30:21,971 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b20bbd-4bf2-4978-85a4-f4681275afd0/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:30:21,972 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:30:21,973 INFO L158 Benchmark]: Toolchain (without parser) took 1376.59ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 103.9MB in the beginning and 116.2MB in the end (delta: -12.3MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2022-12-15 01:30:21,973 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 138.4MB. Free memory was 105.5MB in the beginning and 105.3MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:30:21,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 136.16ms. Allocated memory is still 138.4MB. Free memory was 103.4MB in the beginning and 94.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-15 01:30:21,975 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.20ms. Allocated memory is still 138.4MB. Free memory was 94.4MB in the beginning and 92.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:30:21,975 INFO L158 Benchmark]: Boogie Preprocessor took 12.96ms. Allocated memory is still 138.4MB. Free memory was 92.5MB in the beginning and 91.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:30:21,976 INFO L158 Benchmark]: RCFGBuilder took 242.59ms. Allocated memory is still 138.4MB. Free memory was 91.4MB in the beginning and 79.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-15 01:30:21,977 INFO L158 Benchmark]: CodeCheck took 925.22ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 79.3MB in the beginning and 118.3MB in the end (delta: -39.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:30:21,977 INFO L158 Benchmark]: Witness Printer took 35.86ms. Allocated memory is still 176.2MB. Free memory was 118.3MB in the beginning and 116.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:30:21,981 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, 46 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 53 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 138 IncrementalHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 18 mSDtfsCounter, 138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 207 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 SizeOfPredicates, 1 NumberOfNonLiveVariables, 77 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 41]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int A, B; [L24] int r, d, p, q; [L25] A = __VERIFIER_nondet_int() [L26] B = __VERIFIER_nondet_int() [L28] COND FALSE !(B < 1) [L30] r = A [L31] d = B [L32] p = 1 [L33] q = 0 VAL [A=0, B=1073741824, d=1073741824, p=1, q=0, r=0] [L35] COND TRUE 1 VAL [A=0, B=1073741824, d=1073741824, p=1, q=0, r=0] [L39] EXPR B * p VAL [A=0, B=1073741824, d=1073741824, p=1, q=0, r=0] [L39] COND FALSE !(!(d == B * p)) VAL [A=0, B=1073741824, d=1073741824, p=1, q=0, r=0] [L41] 2 * d VAL [A=0, B=1073741824, d=1073741824, p=1, q=0, r=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 138.4MB. Free memory was 105.5MB in the beginning and 105.3MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 136.16ms. Allocated memory is still 138.4MB. Free memory was 103.4MB in the beginning and 94.4MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.20ms. Allocated memory is still 138.4MB. Free memory was 94.4MB in the beginning and 92.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.96ms. Allocated memory is still 138.4MB. Free memory was 92.5MB in the beginning and 91.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 242.59ms. Allocated memory is still 138.4MB. Free memory was 91.4MB in the beginning and 79.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 925.22ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 79.3MB in the beginning and 118.3MB in the end (delta: -39.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 35.86ms. Allocated memory is still 176.2MB. Free memory was 118.3MB in the beginning and 116.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-15 01:30:22,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01b20bbd-4bf2-4978-85a4-f4681275afd0/bin/ukojak-rkRKPMF4O4/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)