./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark40_polynomial.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_45351316-a8f9-4311-8049-e096b600c4b1/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45351316-a8f9-4311-8049-e096b600c4b1/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45351316-a8f9-4311-8049-e096b600c4b1/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45351316-a8f9-4311-8049-e096b600c4b1/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark40_polynomial.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45351316-a8f9-4311-8049-e096b600c4b1/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45351316-a8f9-4311-8049-e096b600c4b1/bin/ukojak-jW3SillKbg --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 845498859e0b863e5d97b7cad67b117eabad40b987c85c848115077574ac32ec --- 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-b5237d8 [2022-11-21 23:23:37,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:23:37,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:23:37,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:23:37,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:23:37,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:23:37,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:23:37,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:23:37,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:23:37,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:23:37,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:23:37,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:23:37,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:23:37,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:23:37,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:23:37,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:23:37,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:23:37,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:23:37,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:23:37,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:23:37,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:23:37,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:23:37,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:23:37,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:23:37,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:23:37,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:23:37,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:23:37,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:23:37,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:23:37,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:23:37,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:23:37,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:23:37,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:23:37,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:23:37,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:23:37,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:23:37,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:23:37,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:23:37,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:23:37,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:23:37,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:23:37,606 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45351316-a8f9-4311-8049-e096b600c4b1/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:23:37,662 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:23:37,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:23:37,663 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:23:37,663 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:23:37,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:23:37,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:23:37,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:23:37,665 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:23:37,665 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:23:37,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:23:37,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:23:37,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:23:37,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:23:37,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:23:37,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:23:37,668 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:23:37,668 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:23:37,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:23:37,668 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:23:37,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:23:37,668 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:23:37,669 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:23:37,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:23:37,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:23:37,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:23:37,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:23:37,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:23:37,670 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:23:37,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:23:37,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:23:37,671 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_45351316-a8f9-4311-8049-e096b600c4b1/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45351316-a8f9-4311-8049-e096b600c4b1/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 845498859e0b863e5d97b7cad67b117eabad40b987c85c848115077574ac32ec [2022-11-21 23:23:37,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:23:37,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:23:37,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:23:37,997 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:23:37,997 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:23:37,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45351316-a8f9-4311-8049-e096b600c4b1/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/loop-zilu/benchmark40_polynomial.i [2022-11-21 23:23:41,135 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:23:41,303 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:23:41,303 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45351316-a8f9-4311-8049-e096b600c4b1/sv-benchmarks/c/loop-zilu/benchmark40_polynomial.i [2022-11-21 23:23:41,309 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45351316-a8f9-4311-8049-e096b600c4b1/bin/ukojak-jW3SillKbg/data/9bfc32adf/49082ecc9ca84765bf496168c8d4bde7/FLAG968ed13fd [2022-11-21 23:23:41,353 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45351316-a8f9-4311-8049-e096b600c4b1/bin/ukojak-jW3SillKbg/data/9bfc32adf/49082ecc9ca84765bf496168c8d4bde7 [2022-11-21 23:23:41,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:23:41,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:23:41,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:23:41,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:23:41,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:23:41,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:23:41" (1/1) ... [2022-11-21 23:23:41,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64087118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:41, skipping insertion in model container [2022-11-21 23:23:41,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:23:41" (1/1) ... [2022-11-21 23:23:41,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:23:41,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:23:41,584 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_45351316-a8f9-4311-8049-e096b600c4b1/sv-benchmarks/c/loop-zilu/benchmark40_polynomial.i[872,885] [2022-11-21 23:23:41,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:23:41,602 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:23:41,615 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_45351316-a8f9-4311-8049-e096b600c4b1/sv-benchmarks/c/loop-zilu/benchmark40_polynomial.i[872,885] [2022-11-21 23:23:41,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:23:41,633 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:23:41,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:41 WrapperNode [2022-11-21 23:23:41,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:23:41,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:23:41,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:23:41,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:23:41,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:41" (1/1) ... [2022-11-21 23:23:41,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:41" (1/1) ... [2022-11-21 23:23:41,672 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2022-11-21 23:23:41,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:23:41,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:23:41,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:23:41,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:23:41,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:41" (1/1) ... [2022-11-21 23:23:41,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:41" (1/1) ... [2022-11-21 23:23:41,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:41" (1/1) ... [2022-11-21 23:23:41,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:41" (1/1) ... [2022-11-21 23:23:41,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:41" (1/1) ... [2022-11-21 23:23:41,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:41" (1/1) ... [2022-11-21 23:23:41,689 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:41" (1/1) ... [2022-11-21 23:23:41,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:41" (1/1) ... [2022-11-21 23:23:41,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:23:41,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:23:41,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:23:41,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:23:41,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:23:41" (1/1) ... [2022-11-21 23:23:41,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:23:41,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45351316-a8f9-4311-8049-e096b600c4b1/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:23:41,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45351316-a8f9-4311-8049-e096b600c4b1/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:23:41,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45351316-a8f9-4311-8049-e096b600c4b1/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:23:41,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:23:41,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:23:41,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:23:41,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:23:41,857 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:23:41,860 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:23:42,103 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:23:42,148 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:23:42,148 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 23:23:42,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:23:42 BoogieIcfgContainer [2022-11-21 23:23:42,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:23:42,167 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:23:42,168 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:23:42,178 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:23:42,189 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:23:42" (1/1) ... [2022-11-21 23:23:42,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:23:42,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:42,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 32 states and 36 transitions. [2022-11-21 23:23:42,295 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-11-21 23:23:42,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-21 23:23:42,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:42,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:23:42,454 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:23:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:23:42,482 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-11-21 23:23:42,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:23:42 ImpRootNode [2022-11-21 23:23:42,503 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:23:42,504 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:23:42,504 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:23:42,504 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:23:42,505 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:23:42" (3/4) ... [2022-11-21 23:23:42,507 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 23:23:42,550 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45351316-a8f9-4311-8049-e096b600c4b1/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:23:42,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:23:42,551 INFO L158 Benchmark]: Toolchain (without parser) took 1191.88ms. Allocated memory is still 159.4MB. Free memory was 133.4MB in the beginning and 96.0MB in the end (delta: 37.4MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-21 23:23:42,551 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 119.5MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:23:42,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.74ms. Allocated memory is still 159.4MB. Free memory was 132.9MB in the beginning and 122.8MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 23:23:42,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.26ms. Allocated memory is still 159.4MB. Free memory was 122.8MB in the beginning and 121.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:23:42,554 INFO L158 Benchmark]: Boogie Preprocessor took 19.14ms. Allocated memory is still 159.4MB. Free memory was 121.6MB in the beginning and 120.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:23:42,554 INFO L158 Benchmark]: RCFGBuilder took 474.20ms. Allocated memory is still 159.4MB. Free memory was 120.2MB in the beginning and 108.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 23:23:42,555 INFO L158 Benchmark]: CodeCheck took 335.90ms. Allocated memory is still 159.4MB. Free memory was 108.1MB in the beginning and 97.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:23:42,556 INFO L158 Benchmark]: Witness Printer took 46.06ms. Allocated memory is still 159.4MB. Free memory was 97.6MB in the beginning and 96.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:23:42,559 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, 32 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 2 NumberOfCodeBlocks, 2 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: 22]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] x*y VAL [x=2, y=1073741824] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 119.5MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.74ms. Allocated memory is still 159.4MB. Free memory was 132.9MB in the beginning and 122.8MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.26ms. Allocated memory is still 159.4MB. Free memory was 122.8MB in the beginning and 121.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.14ms. Allocated memory is still 159.4MB. Free memory was 121.6MB in the beginning and 120.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 474.20ms. Allocated memory is still 159.4MB. Free memory was 120.2MB in the beginning and 108.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 335.90ms. Allocated memory is still 159.4MB. Free memory was 108.1MB in the beginning and 97.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 46.06ms. Allocated memory is still 159.4MB. Free memory was 97.6MB in the beginning and 96.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-21 23:23:42,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45351316-a8f9-4311-8049-e096b600c4b1/bin/ukojak-jW3SillKbg/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)