./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark31_disjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37521bf2-31e6-45c5-bdfe-86eedf4773e3/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37521bf2-31e6-45c5-bdfe-86eedf4773e3/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37521bf2-31e6-45c5-bdfe-86eedf4773e3/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37521bf2-31e6-45c5-bdfe-86eedf4773e3/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark31_disjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37521bf2-31e6-45c5-bdfe-86eedf4773e3/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37521bf2-31e6-45c5-bdfe-86eedf4773e3/bin/ukojak-2xVlg8857e --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 f434a7a72e145f5b7d63ebd7248b3805be316e991521bd769a7077695becd351 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:17:26,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:17:26,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:17:26,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:17:26,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:17:26,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:17:26,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:17:26,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:17:26,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:17:26,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:17:26,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:17:26,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:17:26,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:17:26,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:17:26,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:17:26,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:17:26,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:17:26,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:17:26,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:17:26,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:17:26,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:17:26,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:17:26,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:17:26,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:17:26,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:17:26,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:17:26,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:17:26,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:17:26,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:17:26,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:17:26,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:17:26,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:17:26,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:17:26,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:17:26,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:17:26,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:17:26,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:17:26,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:17:26,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:17:26,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:17:26,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:17:26,134 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37521bf2-31e6-45c5-bdfe-86eedf4773e3/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-13 23:17:26,185 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:17:26,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:17:26,187 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:17:26,187 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:17:26,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:17:26,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:17:26,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:17:26,188 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:17:26,195 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:17:26,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:17:26,196 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:17:26,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:17:26,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:17:26,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:17:26,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:17:26,197 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 23:17:26,197 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:17:26,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:17:26,198 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:17:26,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:17:26,198 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:17:26,198 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:17:26,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:17:26,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:17:26,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:17:26,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:17:26,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:17:26,200 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:17:26,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:17:26,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:17:26,202 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_37521bf2-31e6-45c5-bdfe-86eedf4773e3/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37521bf2-31e6-45c5-bdfe-86eedf4773e3/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f434a7a72e145f5b7d63ebd7248b3805be316e991521bd769a7077695becd351 [2021-11-13 23:17:26,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:17:26,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:17:26,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:17:26,479 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:17:26,480 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:17:26,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37521bf2-31e6-45c5-bdfe-86eedf4773e3/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/loop-zilu/benchmark31_disjunctive.i [2021-11-13 23:17:26,563 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37521bf2-31e6-45c5-bdfe-86eedf4773e3/bin/ukojak-2xVlg8857e/data/838fbd8ba/71f73ff224974c7ba572e868ae866541/FLAG2f00ad05c [2021-11-13 23:17:27,046 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:17:27,046 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37521bf2-31e6-45c5-bdfe-86eedf4773e3/sv-benchmarks/c/loop-zilu/benchmark31_disjunctive.i [2021-11-13 23:17:27,052 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37521bf2-31e6-45c5-bdfe-86eedf4773e3/bin/ukojak-2xVlg8857e/data/838fbd8ba/71f73ff224974c7ba572e868ae866541/FLAG2f00ad05c [2021-11-13 23:17:27,405 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37521bf2-31e6-45c5-bdfe-86eedf4773e3/bin/ukojak-2xVlg8857e/data/838fbd8ba/71f73ff224974c7ba572e868ae866541 [2021-11-13 23:17:27,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:17:27,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:17:27,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:17:27,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:17:27,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:17:27,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:17:27" (1/1) ... [2021-11-13 23:17:27,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2750d677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:27, skipping insertion in model container [2021-11-13 23:17:27,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:17:27" (1/1) ... [2021-11-13 23:17:27,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:17:27,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:17:27,627 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37521bf2-31e6-45c5-bdfe-86eedf4773e3/sv-benchmarks/c/loop-zilu/benchmark31_disjunctive.i[873,886] [2021-11-13 23:17:27,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:17:27,645 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:17:27,659 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37521bf2-31e6-45c5-bdfe-86eedf4773e3/sv-benchmarks/c/loop-zilu/benchmark31_disjunctive.i[873,886] [2021-11-13 23:17:27,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:17:27,678 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:17:27,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:27 WrapperNode [2021-11-13 23:17:27,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:17:27,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:17:27,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:17:27,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:17:27,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:27" (1/1) ... [2021-11-13 23:17:27,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:27" (1/1) ... [2021-11-13 23:17:27,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:17:27,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:17:27,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:17:27,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:17:27,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:27" (1/1) ... [2021-11-13 23:17:27,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:27" (1/1) ... [2021-11-13 23:17:27,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:27" (1/1) ... [2021-11-13 23:17:27,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:27" (1/1) ... [2021-11-13 23:17:27,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:27" (1/1) ... [2021-11-13 23:17:27,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:27" (1/1) ... [2021-11-13 23:17:27,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:27" (1/1) ... [2021-11-13 23:17:27,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:17:27,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:17:27,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:17:27,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:17:27,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:17:27" (1/1) ... [2021-11-13 23:17:27,776 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:17:27,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37521bf2-31e6-45c5-bdfe-86eedf4773e3/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:17:27,805 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37521bf2-31e6-45c5-bdfe-86eedf4773e3/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:17:27,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37521bf2-31e6-45c5-bdfe-86eedf4773e3/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:17:27,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:17:27,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:17:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:17:27,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:17:28,073 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:17:28,073 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 23:17:28,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:17:28 BoogieIcfgContainer [2021-11-13 23:17:28,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:17:28,077 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:17:28,084 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:17:28,094 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:17:28,095 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:17:28" (1/1) ... [2021-11-13 23:17:28,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:17:28,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:28,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2021-11-13 23:17:28,168 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-11-13 23:17:28,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:17:28,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:28,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:28,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:17:28,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:17:28,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:17:28,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2021-11-13 23:17:28,411 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2021-11-13 23:17:28,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:17:28,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:17:28,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:17:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:17:28,439 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:17:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:17:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:17:28,492 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:17:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:17:28,511 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2021-11-13 23:17:28,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:17:28 ImpRootNode [2021-11-13 23:17:28,547 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 23:17:28,547 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 23:17:28,561 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 23:17:28,561 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 23:17:28,562 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:17:28" (3/4) ... [2021-11-13 23:17:28,564 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-13 23:17:28,612 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37521bf2-31e6-45c5-bdfe-86eedf4773e3/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 23:17:28,612 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 23:17:28,613 INFO L158 Benchmark]: Toolchain (without parser) took 1202.89ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 60.0MB in the beginning and 82.7MB in the end (delta: -22.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:17:28,622 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:17:28,622 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.06ms. Allocated memory is still 92.3MB. Free memory was 59.8MB in the beginning and 68.9MB in the end (delta: -9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:17:28,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.67ms. Allocated memory is still 92.3MB. Free memory was 68.9MB in the beginning and 67.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:17:28,624 INFO L158 Benchmark]: Boogie Preprocessor took 42.91ms. Allocated memory is still 92.3MB. Free memory was 67.3MB in the beginning and 66.5MB in the end (delta: 876.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:17:28,624 INFO L158 Benchmark]: RCFGBuilder took 309.81ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 56.8MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 23:17:28,625 INFO L158 Benchmark]: CodeCheck took 469.96ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 56.6MB in the beginning and 84.6MB in the end (delta: -28.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:17:28,626 INFO L158 Benchmark]: Witness Printer took 64.56ms. Allocated memory is still 111.1MB. Free memory was 84.1MB in the beginning and 82.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:17:28,631 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, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 45.04ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 23.50ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 6 mSDtfsCounter, 15 mSolverCounterSat, 1.06ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 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, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 27]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x = __VERIFIER_nondet_int(); [L21] int y = __VERIFIER_nondet_int(); [L22] COND FALSE !(!(x < 0)) VAL [x=-1, y=-2147483648] [L23] COND TRUE 1 VAL [x=-1, y=-2147483648] [L24] COND FALSE !(x>=0) VAL [x=-1, y=-2147483648] [L27] x+y VAL [x=-1, y=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.06ms. Allocated memory is still 92.3MB. Free memory was 59.8MB in the beginning and 68.9MB in the end (delta: -9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.67ms. Allocated memory is still 92.3MB. Free memory was 68.9MB in the beginning and 67.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.91ms. Allocated memory is still 92.3MB. Free memory was 67.3MB in the beginning and 66.5MB in the end (delta: 876.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 309.81ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 56.8MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 469.96ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 56.6MB in the beginning and 84.6MB in the end (delta: -28.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 64.56ms. Allocated memory is still 111.1MB. Free memory was 84.1MB in the beginning and 82.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-13 23:17:28,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37521bf2-31e6-45c5-bdfe-86eedf4773e3/bin/ukojak-2xVlg8857e/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)