./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/Et2_true.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7f3652-b8f1-48c2-acf5-638c8538f15b/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7f3652-b8f1-48c2-acf5-638c8538f15b/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7f3652-b8f1-48c2-acf5-638c8538f15b/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7f3652-b8f1-48c2-acf5-638c8538f15b/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/Et2_true.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7f3652-b8f1-48c2-acf5-638c8538f15b/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7f3652-b8f1-48c2-acf5-638c8538f15b/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 73e4e9ad44f0149f289e6777e967feb732bfbe685996eb202297bca837b8bf8d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:08:49,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:08:49,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:08:49,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:08:49,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:08:49,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:08:49,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:08:49,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:08:49,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:08:49,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:08:49,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:08:49,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:08:49,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:08:49,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:08:49,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:08:49,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:08:49,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:08:49,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:08:49,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:08:49,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:08:49,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:08:49,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:08:49,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:08:49,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:08:49,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:08:49,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:08:49,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:08:49,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:08:49,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:08:49,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:08:49,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:08:49,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:08:49,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:08:49,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:08:49,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:08:49,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:08:49,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:08:49,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:08:49,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:08:49,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:08:49,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:08:49,825 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7f3652-b8f1-48c2-acf5-638c8538f15b/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-22 23:08:49,850 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:08:49,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:08:49,851 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:08:49,851 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:08:49,851 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:08:49,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:08:49,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:08:49,852 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:08:49,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:08:49,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:08:49,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:08:49,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:08:49,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:08:49,853 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-22 23:08:49,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:08:49,853 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:08:49,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:08:49,854 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:08:49,854 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:08:49,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:08:49,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:08:49,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:08:49,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:08:49,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:08:49,855 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:08:49,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:08:49,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:08:49,855 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_fe7f3652-b8f1-48c2-acf5-638c8538f15b/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7f3652-b8f1-48c2-acf5-638c8538f15b/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73e4e9ad44f0149f289e6777e967feb732bfbe685996eb202297bca837b8bf8d [2021-11-22 23:08:50,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:08:50,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:08:50,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:08:50,132 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:08:50,133 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:08:50,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7f3652-b8f1-48c2-acf5-638c8538f15b/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/termination-numeric/Et2_true.c [2021-11-22 23:08:50,190 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7f3652-b8f1-48c2-acf5-638c8538f15b/bin/ukojak-LBtLqBUTdQ/data/b142eca48/3beb7873f8164101b65eed97dab40cfa/FLAGd99276998 [2021-11-22 23:08:50,576 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:08:50,577 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7f3652-b8f1-48c2-acf5-638c8538f15b/sv-benchmarks/c/termination-numeric/Et2_true.c [2021-11-22 23:08:50,603 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7f3652-b8f1-48c2-acf5-638c8538f15b/bin/ukojak-LBtLqBUTdQ/data/b142eca48/3beb7873f8164101b65eed97dab40cfa/FLAGd99276998 [2021-11-22 23:08:50,987 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7f3652-b8f1-48c2-acf5-638c8538f15b/bin/ukojak-LBtLqBUTdQ/data/b142eca48/3beb7873f8164101b65eed97dab40cfa [2021-11-22 23:08:50,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:08:50,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:08:50,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:08:50,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:08:50,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:08:50,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:08:50" (1/1) ... [2021-11-22 23:08:51,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d2ada4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:50, skipping insertion in model container [2021-11-22 23:08:51,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:08:50" (1/1) ... [2021-11-22 23:08:51,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:08:51,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:08:51,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:08:51,190 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:08:51,202 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:08:51,213 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:08:51,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:51 WrapperNode [2021-11-22 23:08:51,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:08:51,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:08:51,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:08:51,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:08:51,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:51" (1/1) ... [2021-11-22 23:08:51,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:51" (1/1) ... [2021-11-22 23:08:51,241 INFO L137 Inliner]: procedures = 6, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2021-11-22 23:08:51,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:08:51,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:08:51,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:08:51,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:08:51,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:51" (1/1) ... [2021-11-22 23:08:51,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:51" (1/1) ... [2021-11-22 23:08:51,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:51" (1/1) ... [2021-11-22 23:08:51,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:51" (1/1) ... [2021-11-22 23:08:51,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:51" (1/1) ... [2021-11-22 23:08:51,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:51" (1/1) ... [2021-11-22 23:08:51,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:51" (1/1) ... [2021-11-22 23:08:51,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:08:51,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:08:51,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:08:51,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:08:51,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:51" (1/1) ... [2021-11-22 23:08:51,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:08:51,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7f3652-b8f1-48c2-acf5-638c8538f15b/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:08:51,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7f3652-b8f1-48c2-acf5-638c8538f15b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:08:51,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7f3652-b8f1-48c2-acf5-638c8538f15b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:08:51,351 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-11-22 23:08:51,352 INFO L138 BoogieDeclarations]: Found implementation of procedure random [2021-11-22 23:08:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure loop [2021-11-22 23:08:51,353 INFO L138 BoogieDeclarations]: Found implementation of procedure loop [2021-11-22 23:08:51,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:08:51,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:08:51,404 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:08:51,406 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:08:51,525 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:08:51,540 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:08:51,540 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 23:08:51,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:08:51 BoogieIcfgContainer [2021-11-22 23:08:51,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:08:51,544 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:08:51,544 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:08:51,558 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:08:51,558 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:08:51" (1/1) ... [2021-11-22 23:08:51,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:08:51,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:51,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2021-11-22 23:08:51,626 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2021-11-22 23:08:51,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:08:51,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:51,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:08:51,708 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:08:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:08:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:08:51,742 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:08:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:08:51,754 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-11-22 23:08:51,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:08:51 ImpRootNode [2021-11-22 23:08:51,775 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:08:51,776 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:08:51,776 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:08:51,776 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:08:51,776 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:08:51" (3/4) ... [2021-11-22 23:08:51,778 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-22 23:08:51,826 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7f3652-b8f1-48c2-acf5-638c8538f15b/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:08:51,826 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:08:51,828 INFO L158 Benchmark]: Toolchain (without parser) took 836.96ms. Allocated memory was 90.2MB in the beginning and 134.2MB in the end (delta: 44.0MB). Free memory was 68.8MB in the beginning and 111.4MB in the end (delta: -42.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-22 23:08:51,829 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 90.2MB. Free memory was 66.5MB in the beginning and 66.5MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:08:51,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.32ms. Allocated memory is still 90.2MB. Free memory was 68.8MB in the beginning and 67.6MB in the end (delta: 1.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-22 23:08:51,831 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.04ms. Allocated memory is still 90.2MB. Free memory was 67.6MB in the beginning and 66.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:08:51,832 INFO L158 Benchmark]: Boogie Preprocessor took 15.58ms. Allocated memory is still 90.2MB. Free memory was 66.3MB in the beginning and 65.5MB in the end (delta: 786.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:08:51,833 INFO L158 Benchmark]: RCFGBuilder took 280.64ms. Allocated memory is still 90.2MB. Free memory was 65.3MB in the beginning and 55.6MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:08:51,834 INFO L158 Benchmark]: CodeCheck took 231.25ms. Allocated memory is still 90.2MB. Free memory was 55.4MB in the beginning and 45.5MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 23:08:51,835 INFO L158 Benchmark]: Witness Printer took 50.99ms. Allocated memory was 90.2MB in the beginning and 134.2MB in the end (delta: 44.0MB). Free memory was 45.5MB in the beginning and 111.4MB in the end (delta: -65.9MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2021-11-22 23:08:51,841 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 3 procedures, 39 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, 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, 5 NumberOfCodeBlocks, 5 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: 33]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x = __VERIFIER_nondet_int(); [L24] int y = __VERIFIER_nondet_int(); [L25] int z = __VERIFIER_nondet_int(); [L26] CALL random() [L31] int x = __VERIFIER_nondet_int(); [L32] COND TRUE x < 0 VAL [x=-2147483648] [L33] -x VAL [x=-2147483648] * 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 66.5MB in the beginning and 66.5MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 222.32ms. Allocated memory is still 90.2MB. Free memory was 68.8MB in the beginning and 67.6MB in the end (delta: 1.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.04ms. Allocated memory is still 90.2MB. Free memory was 67.6MB in the beginning and 66.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.58ms. Allocated memory is still 90.2MB. Free memory was 66.3MB in the beginning and 65.5MB in the end (delta: 786.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 280.64ms. Allocated memory is still 90.2MB. Free memory was 65.3MB in the beginning and 55.6MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 231.25ms. Allocated memory is still 90.2MB. Free memory was 55.4MB in the beginning and 45.5MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 50.99ms. Allocated memory was 90.2MB in the beginning and 134.2MB in the end (delta: 44.0MB). Free memory was 45.5MB in the beginning and 111.4MB in the end (delta: -65.9MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-22 23:08:51,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe7f3652-b8f1-48c2-acf5-638c8538f15b/bin/ukojak-LBtLqBUTdQ/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)