./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Mysore-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974121bf-1441-4aa2-95da-af8650327687/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974121bf-1441-4aa2-95da-af8650327687/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974121bf-1441-4aa2-95da-af8650327687/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974121bf-1441-4aa2-95da-af8650327687/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/Mysore-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974121bf-1441-4aa2-95da-af8650327687/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974121bf-1441-4aa2-95da-af8650327687/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 638781bd69a51ef751cb454a3c2ea01d5ddfa7e74d0b5b05ad4d93f1e02b3c42 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 22:06:23,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:06:23,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:06:23,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:06:23,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:06:23,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:06:23,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:06:23,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:06:23,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:06:23,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:06:23,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:06:23,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:06:23,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:06:23,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:06:23,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:06:23,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:06:23,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:06:23,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:06:23,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:06:23,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:06:23,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:06:23,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:06:23,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:06:23,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:06:23,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:06:23,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:06:23,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:06:23,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:06:23,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:06:23,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:06:23,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:06:23,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:06:23,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:06:23,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:06:23,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:06:23,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:06:23,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:06:23,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:06:23,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:06:23,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:06:23,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:06:23,127 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974121bf-1441-4aa2-95da-af8650327687/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 22:06:23,141 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:06:23,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:06:23,141 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:06:23,141 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:06:23,142 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:06:23,150 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:06:23,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:06:23,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:06:23,152 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:06:23,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:06:23,152 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:06:23,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:06:23,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:06:23,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:06:23,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:06:23,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:06:23,153 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 22:06:23,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:06:23,153 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:06:23,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:06:23,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:06:23,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:06:23,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:06:23,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:06:23,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:06:23,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:06:23,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:06:23,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:06:23,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 22:06:23,155 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:06:23,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:06:23,155 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:06:23,155 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:06:23,156 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:06:23,156 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_974121bf-1441-4aa2-95da-af8650327687/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974121bf-1441-4aa2-95da-af8650327687/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 638781bd69a51ef751cb454a3c2ea01d5ddfa7e74d0b5b05ad4d93f1e02b3c42 [2022-12-13 22:06:23,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:06:23,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:06:23,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:06:23,343 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:06:23,343 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:06:23,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974121bf-1441-4aa2-95da-af8650327687/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-crafted/Mysore-1.c [2022-12-13 22:06:25,844 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:06:25,998 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:06:25,999 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974121bf-1441-4aa2-95da-af8650327687/sv-benchmarks/c/termination-crafted/Mysore-1.c [2022-12-13 22:06:26,003 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974121bf-1441-4aa2-95da-af8650327687/bin/uautomizer-uyxdKDjOR8/data/de370bf62/3a8515c5c5964fe3b7b01a079583d73d/FLAG2e7d94e3f [2022-12-13 22:06:26,421 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974121bf-1441-4aa2-95da-af8650327687/bin/uautomizer-uyxdKDjOR8/data/de370bf62/3a8515c5c5964fe3b7b01a079583d73d [2022-12-13 22:06:26,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:06:26,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:06:26,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:06:26,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:06:26,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:06:26,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:06:26" (1/1) ... [2022-12-13 22:06:26,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be48563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:06:26, skipping insertion in model container [2022-12-13 22:06:26,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:06:26" (1/1) ... [2022-12-13 22:06:26,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:06:26,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:06:26,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:06:26,552 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:06:26,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:06:26,570 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:06:26,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:06:26 WrapperNode [2022-12-13 22:06:26,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:06:26,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:06:26,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:06:26,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:06:26,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:06:26" (1/1) ... [2022-12-13 22:06:26,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:06:26" (1/1) ... [2022-12-13 22:06:26,591 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2022-12-13 22:06:26,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:06:26,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:06:26,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:06:26,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:06:26,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:06:26" (1/1) ... [2022-12-13 22:06:26,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:06:26" (1/1) ... [2022-12-13 22:06:26,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:06:26" (1/1) ... [2022-12-13 22:06:26,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:06:26" (1/1) ... [2022-12-13 22:06:26,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:06:26" (1/1) ... [2022-12-13 22:06:26,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:06:26" (1/1) ... [2022-12-13 22:06:26,603 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:06:26" (1/1) ... [2022-12-13 22:06:26,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:06:26" (1/1) ... [2022-12-13 22:06:26,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:06:26,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:06:26,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:06:26,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:06:26,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:06:26" (1/1) ... [2022-12-13 22:06:26,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:06:26,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974121bf-1441-4aa2-95da-af8650327687/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:06:26,627 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974121bf-1441-4aa2-95da-af8650327687/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:06:26,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974121bf-1441-4aa2-95da-af8650327687/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:06:26,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:06:26,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:06:26,738 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:06:26,739 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:06:26,809 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:06:26,813 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:06:26,813 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 22:06:26,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:06:26 BoogieIcfgContainer [2022-12-13 22:06:26,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:06:26,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:06:26,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:06:26,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:06:26,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:06:26" (1/3) ... [2022-12-13 22:06:26,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fbcd11c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:06:26, skipping insertion in model container [2022-12-13 22:06:26,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:06:26" (2/3) ... [2022-12-13 22:06:26,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fbcd11c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:06:26, skipping insertion in model container [2022-12-13 22:06:26,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:06:26" (3/3) ... [2022-12-13 22:06:26,821 INFO L112 eAbstractionObserver]: Analyzing ICFG Mysore-1.c [2022-12-13 22:06:26,835 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:06:26,835 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-13 22:06:26,869 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:06:26,874 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@759408d4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:06:26,874 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-13 22:06:26,877 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 19 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:06:26,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-13 22:06:26,881 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:06:26,882 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-13 22:06:26,882 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 22:06:26,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:06:26,886 INFO L85 PathProgramCache]: Analyzing trace with hash 925608, now seen corresponding path program 1 times [2022-12-13 22:06:26,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:06:26,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346897130] [2022-12-13 22:06:26,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:06:26,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:06:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:06:27,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:06:27,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:06:27,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346897130] [2022-12-13 22:06:27,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346897130] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:06:27,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:06:27,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:06:27,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731268388] [2022-12-13 22:06:27,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:06:27,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 22:06:27,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:06:27,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 22:06:27,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 22:06:27,036 INFO L87 Difference]: Start difference. First operand has 20 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 19 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:06:27,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:06:27,116 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2022-12-13 22:06:27,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 22:06:27,118 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-13 22:06:27,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:06:27,124 INFO L225 Difference]: With dead ends: 39 [2022-12-13 22:06:27,124 INFO L226 Difference]: Without dead ends: 22 [2022-12-13 22:06:27,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 22:06:27,130 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 26 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 22:06:27,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 27 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 22:06:27,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-12-13 22:06:27,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2022-12-13 22:06:27,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 16 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:06:27,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2022-12-13 22:06:27,166 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 4 [2022-12-13 22:06:27,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:06:27,166 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2022-12-13 22:06:27,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 22:06:27,167 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2022-12-13 22:06:27,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 22:06:27,167 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:06:27,167 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 22:06:27,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 22:06:27,168 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-12-13 22:06:27,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:06:27,169 INFO L85 PathProgramCache]: Analyzing trace with hash 28693891, now seen corresponding path program 1 times [2022-12-13 22:06:27,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:06:27,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342682382] [2022-12-13 22:06:27,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:06:27,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:06:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:06:27,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:06:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:06:27,194 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:06:27,194 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 22:06:27,195 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-12-13 22:06:27,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-12-13 22:06:27,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-12-13 22:06:27,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-12-13 22:06:27,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-12-13 22:06:27,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-12-13 22:06:27,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 22:06:27,201 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 22:06:27,204 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 22:06:27,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:06:27 BoogieIcfgContainer [2022-12-13 22:06:27,215 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 22:06:27,215 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:06:27,215 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:06:27,215 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:06:27,216 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:06:26" (3/4) ... [2022-12-13 22:06:27,217 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 22:06:27,237 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974121bf-1441-4aa2-95da-af8650327687/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 22:06:27,237 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:06:27,238 INFO L158 Benchmark]: Toolchain (without parser) took 813.56ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 82.0MB in the beginning and 114.0MB in the end (delta: -32.1MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2022-12-13 22:06:27,238 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:06:27,238 INFO L158 Benchmark]: CACSL2BoogieTranslator took 145.60ms. Allocated memory is still 115.3MB. Free memory was 82.0MB in the beginning and 72.9MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 22:06:27,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.11ms. Allocated memory is still 115.3MB. Free memory was 72.9MB in the beginning and 71.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:06:27,239 INFO L158 Benchmark]: Boogie Preprocessor took 12.51ms. Allocated memory is still 115.3MB. Free memory was 71.6MB in the beginning and 70.6MB in the end (delta: 987.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:06:27,239 INFO L158 Benchmark]: RCFGBuilder took 210.08ms. Allocated memory is still 115.3MB. Free memory was 70.6MB in the beginning and 61.4MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 22:06:27,240 INFO L158 Benchmark]: TraceAbstraction took 398.48ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 60.8MB in the beginning and 115.3MB in the end (delta: -54.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:06:27,240 INFO L158 Benchmark]: Witness Printer took 22.09ms. Allocated memory is still 146.8MB. Free memory was 115.3MB in the beginning and 114.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:06:27,242 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 115.3MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 145.60ms. Allocated memory is still 115.3MB. Free memory was 82.0MB in the beginning and 72.9MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.11ms. Allocated memory is still 115.3MB. Free memory was 72.9MB in the beginning and 71.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.51ms. Allocated memory is still 115.3MB. Free memory was 71.6MB in the beginning and 70.6MB in the end (delta: 987.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 210.08ms. Allocated memory is still 115.3MB. Free memory was 70.6MB in the beginning and 61.4MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 398.48ms. Allocated memory was 115.3MB in the beginning and 146.8MB in the end (delta: 31.5MB). Free memory was 60.8MB in the beginning and 115.3MB in the end (delta: -54.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 22.09ms. Allocated memory is still 146.8MB. Free memory was 115.3MB in the beginning and 114.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int c, x; [L16] x = __VERIFIER_nondet_int() [L17] c = __VERIFIER_nondet_int() [L18] COND TRUE c >= 2 VAL [c=2, x=2147483646] [L19] x + c VAL [c=2, x=2147483646] - UnprovableResult [Line: 19]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 20]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 20]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 21]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 21]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 15 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 22:06:27,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974121bf-1441-4aa2-95da-af8650327687/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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)