./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/num_conversion_1.c --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_357122f9-3a9a-457a-addf-1780c9d0485d/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357122f9-3a9a-457a-addf-1780c9d0485d/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_357122f9-3a9a-457a-addf-1780c9d0485d/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357122f9-3a9a-457a-addf-1780c9d0485d/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/num_conversion_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357122f9-3a9a-457a-addf-1780c9d0485d/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_357122f9-3a9a-457a-addf-1780c9d0485d/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 bdb7543d1c240ce49edc036e26416805e34b577c5ba56fd044d3b26828ca42a8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:21:31,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:21:31,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:21:31,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:21:31,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:21:31,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:21:31,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:21:31,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:21:31,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:21:31,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:21:31,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:21:31,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:21:31,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:21:31,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:21:31,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:21:31,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:21:31,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:21:31,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:21:31,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:21:31,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:21:31,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:21:31,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:21:31,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:21:31,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:21:31,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:21:31,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:21:31,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:21:31,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:21:31,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:21:31,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:21:31,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:21:31,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:21:31,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:21:31,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:21:31,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:21:31,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:21:31,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:21:31,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:21:31,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:21:31,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:21:31,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:21:31,814 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357122f9-3a9a-457a-addf-1780c9d0485d/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-13 23:21:31,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:21:31,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:21:31,840 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:21:31,840 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:21:31,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:21:31,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:21:31,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:21:31,841 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:21:31,842 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:21:31,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:21:31,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:21:31,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:21:31,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:21:31,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:21:31,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:21:31,843 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 23:21:31,843 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:21:31,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:21:31,844 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:21:31,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:21:31,844 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:21:31,845 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:21:31,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:21:31,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:21:31,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:21:31,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:21:31,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:21:31,846 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:21:31,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:21:31,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:21:31,847 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_357122f9-3a9a-457a-addf-1780c9d0485d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357122f9-3a9a-457a-addf-1780c9d0485d/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdb7543d1c240ce49edc036e26416805e34b577c5ba56fd044d3b26828ca42a8 [2021-11-13 23:21:32,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:21:32,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:21:32,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:21:32,174 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:21:32,175 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:21:32,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357122f9-3a9a-457a-addf-1780c9d0485d/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/bitvector/num_conversion_1.c [2021-11-13 23:21:32,265 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357122f9-3a9a-457a-addf-1780c9d0485d/bin/ukojak-2xVlg8857e/data/44c5d332f/d8cc423be3624c6e9906e252816a4d20/FLAG994f6980b [2021-11-13 23:21:32,796 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:21:32,797 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357122f9-3a9a-457a-addf-1780c9d0485d/sv-benchmarks/c/bitvector/num_conversion_1.c [2021-11-13 23:21:32,807 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357122f9-3a9a-457a-addf-1780c9d0485d/bin/ukojak-2xVlg8857e/data/44c5d332f/d8cc423be3624c6e9906e252816a4d20/FLAG994f6980b [2021-11-13 23:21:33,164 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357122f9-3a9a-457a-addf-1780c9d0485d/bin/ukojak-2xVlg8857e/data/44c5d332f/d8cc423be3624c6e9906e252816a4d20 [2021-11-13 23:21:33,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:21:33,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:21:33,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:21:33,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:21:33,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:21:33,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:21:33" (1/1) ... [2021-11-13 23:21:33,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb20a55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:33, skipping insertion in model container [2021-11-13 23:21:33,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:21:33" (1/1) ... [2021-11-13 23:21:33,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:21:33,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:21:33,363 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_357122f9-3a9a-457a-addf-1780c9d0485d/sv-benchmarks/c/bitvector/num_conversion_1.c[673,686] [2021-11-13 23:21:33,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:21:33,383 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:21:33,395 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_357122f9-3a9a-457a-addf-1780c9d0485d/sv-benchmarks/c/bitvector/num_conversion_1.c[673,686] [2021-11-13 23:21:33,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:21:33,421 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:21:33,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:33 WrapperNode [2021-11-13 23:21:33,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:21:33,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:21:33,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:21:33,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:21:33,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:33" (1/1) ... [2021-11-13 23:21:33,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:33" (1/1) ... [2021-11-13 23:21:33,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:21:33,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:21:33,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:21:33,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:21:33,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:33" (1/1) ... [2021-11-13 23:21:33,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:33" (1/1) ... [2021-11-13 23:21:33,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:33" (1/1) ... [2021-11-13 23:21:33,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:33" (1/1) ... [2021-11-13 23:21:33,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:33" (1/1) ... [2021-11-13 23:21:33,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:33" (1/1) ... [2021-11-13 23:21:33,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:33" (1/1) ... [2021-11-13 23:21:33,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:21:33,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:21:33,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:21:33,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:21:33,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:33" (1/1) ... [2021-11-13 23:21:33,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:21:33,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357122f9-3a9a-457a-addf-1780c9d0485d/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:21:33,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357122f9-3a9a-457a-addf-1780c9d0485d/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:21:33,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357122f9-3a9a-457a-addf-1780c9d0485d/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:21:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:21:33,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:21:33,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:21:33,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:21:33,836 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:21:33,837 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 23:21:33,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:33 BoogieIcfgContainer [2021-11-13 23:21:33,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:21:33,841 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:21:33,841 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:21:33,851 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:21:33,852 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:33" (1/1) ... [2021-11-13 23:21:33,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:21:33,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:33,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2021-11-13 23:21:33,941 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2021-11-13 23:21:33,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:21:33,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:33,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:21:34,052 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:21:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:21:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:21:34,163 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:21:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:21:34,197 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-11-13 23:21:34,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:21:34 ImpRootNode [2021-11-13 23:21:34,237 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 23:21:34,238 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 23:21:34,238 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 23:21:34,238 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 23:21:34,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:33" (3/4) ... [2021-11-13 23:21:34,242 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-13 23:21:34,242 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 23:21:34,243 INFO L158 Benchmark]: Toolchain (without parser) took 1073.89ms. Allocated memory is still 90.2MB. Free memory was 56.0MB in the beginning and 41.7MB in the end (delta: 14.3MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-11-13 23:21:34,260 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 90.2MB. Free memory was 60.5MB in the beginning and 60.5MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:21:34,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.15ms. Allocated memory is still 90.2MB. Free memory was 55.8MB in the beginning and 66.1MB in the end (delta: -10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:21:34,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.97ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 64.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:21:34,263 INFO L158 Benchmark]: Boogie Preprocessor took 18.97ms. Allocated memory is still 90.2MB. Free memory was 64.7MB in the beginning and 63.7MB in the end (delta: 994.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:21:34,264 INFO L158 Benchmark]: RCFGBuilder took 358.44ms. Allocated memory is still 90.2MB. Free memory was 63.6MB in the beginning and 53.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 23:21:34,265 INFO L158 Benchmark]: CodeCheck took 396.92ms. Allocated memory is still 90.2MB. Free memory was 53.2MB in the beginning and 42.0MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 23:21:34,266 INFO L158 Benchmark]: Witness Printer took 4.11ms. Allocated memory is still 90.2MB. Free memory was 42.0MB in the beginning and 41.7MB in the end (delta: 322.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:21:34,272 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, 16 locations, 6 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, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 32]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of shiftLeft at line 32. Possible FailurePath: [L24] unsigned char x; [L25] unsigned char y; [L26] unsigned char c; [L28] x = 37 [L29] y = 0 [L30] c = 0 VAL [c=0, x=37, y=0] [L31] COND TRUE c < (unsigned char)8 VAL [c=0, x=37, y=0] [L32] ((unsigned char)1) << c VAL [c=0, x=37, y=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 90.2MB. Free memory was 60.5MB in the beginning and 60.5MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.15ms. Allocated memory is still 90.2MB. Free memory was 55.8MB in the beginning and 66.1MB in the end (delta: -10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.97ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 64.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.97ms. Allocated memory is still 90.2MB. Free memory was 64.7MB in the beginning and 63.7MB in the end (delta: 994.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 358.44ms. Allocated memory is still 90.2MB. Free memory was 63.6MB in the beginning and 53.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 396.92ms. Allocated memory is still 90.2MB. Free memory was 53.2MB in the beginning and 42.0MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.11ms. Allocated memory is still 90.2MB. Free memory was 42.0MB in the beginning and 41.7MB in the end (delta: 322.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-13 23:21:34,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357122f9-3a9a-457a-addf-1780c9d0485d/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 Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_357122f9-3a9a-457a-addf-1780c9d0485d/bin/ukojak-2xVlg8857e/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample