./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/NonTerminationSimple9.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356f3a34-7a14-47ea-83fd-c6f2b67b0eed/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356f3a34-7a14-47ea-83fd-c6f2b67b0eed/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_356f3a34-7a14-47ea-83fd-c6f2b67b0eed/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356f3a34-7a14-47ea-83fd-c6f2b67b0eed/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/NonTerminationSimple9.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356f3a34-7a14-47ea-83fd-c6f2b67b0eed/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_356f3a34-7a14-47ea-83fd-c6f2b67b0eed/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 e7e60e29030930096b33752f419e8bc558f06ca646bc9eb6aa219c7b15ad7c57 --- 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 20:20:08,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:20:08,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:20:08,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:20:08,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:20:08,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:20:08,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:20:08,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:20:08,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:20:08,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:20:08,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:20:08,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:20:08,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:20:08,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:20:08,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:20:08,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:20:08,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:20:08,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:20:08,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:20:08,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:20:08,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:20:08,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:20:08,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:20:08,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:20:08,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:20:08,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:20:08,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:20:08,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:20:08,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:20:08,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:20:08,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:20:08,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:20:08,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:20:08,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:20:08,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:20:08,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:20:08,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:20:08,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:20:08,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:20:08,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:20:08,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:20:08,152 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356f3a34-7a14-47ea-83fd-c6f2b67b0eed/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 20:20:08,182 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:20:08,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:20:08,183 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:20:08,190 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:20:08,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:20:08,190 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:20:08,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:20:08,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:20:08,191 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:20:08,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:20:08,191 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:20:08,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:20:08,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:20:08,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:20:08,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:20:08,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:20:08,192 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 20:20:08,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:20:08,192 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:20:08,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:20:08,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:20:08,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:20:08,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:20:08,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:20:08,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:20:08,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:20:08,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:20:08,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:20:08,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:20:08,193 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:20:08,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:20:08,193 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:20:08,193 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:20:08,194 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:20:08,194 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_356f3a34-7a14-47ea-83fd-c6f2b67b0eed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356f3a34-7a14-47ea-83fd-c6f2b67b0eed/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7e60e29030930096b33752f419e8bc558f06ca646bc9eb6aa219c7b15ad7c57 [2022-12-13 20:20:08,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:20:08,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:20:08,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:20:08,391 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:20:08,392 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:20:08,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356f3a34-7a14-47ea-83fd-c6f2b67b0eed/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-crafted/NonTerminationSimple9.c [2022-12-13 20:20:10,905 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:20:11,061 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:20:11,061 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356f3a34-7a14-47ea-83fd-c6f2b67b0eed/sv-benchmarks/c/termination-crafted/NonTerminationSimple9.c [2022-12-13 20:20:11,066 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356f3a34-7a14-47ea-83fd-c6f2b67b0eed/bin/uautomizer-uyxdKDjOR8/data/46ca1183f/88d3e241a9b64066869e68ad664e287d/FLAG6ba4bb88b [2022-12-13 20:20:11,479 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356f3a34-7a14-47ea-83fd-c6f2b67b0eed/bin/uautomizer-uyxdKDjOR8/data/46ca1183f/88d3e241a9b64066869e68ad664e287d [2022-12-13 20:20:11,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:20:11,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:20:11,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:20:11,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:20:11,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:20:11,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:20:11" (1/1) ... [2022-12-13 20:20:11,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66564647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:11, skipping insertion in model container [2022-12-13 20:20:11,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:20:11" (1/1) ... [2022-12-13 20:20:11,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:20:11,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:20:11,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:20:11,626 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:20:11,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:20:11,647 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:20:11,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:11 WrapperNode [2022-12-13 20:20:11,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:20:11,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:20:11,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:20:11,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:20:11,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:11" (1/1) ... [2022-12-13 20:20:11,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:11" (1/1) ... [2022-12-13 20:20:11,672 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2022-12-13 20:20:11,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:20:11,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:20:11,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:20:11,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:20:11,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:11" (1/1) ... [2022-12-13 20:20:11,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:11" (1/1) ... [2022-12-13 20:20:11,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:11" (1/1) ... [2022-12-13 20:20:11,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:11" (1/1) ... [2022-12-13 20:20:11,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:11" (1/1) ... [2022-12-13 20:20:11,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:11" (1/1) ... [2022-12-13 20:20:11,686 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:11" (1/1) ... [2022-12-13 20:20:11,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:11" (1/1) ... [2022-12-13 20:20:11,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:20:11,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:20:11,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:20:11,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:20:11,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:11" (1/1) ... [2022-12-13 20:20:11,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:20:11,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356f3a34-7a14-47ea-83fd-c6f2b67b0eed/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:20:11,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356f3a34-7a14-47ea-83fd-c6f2b67b0eed/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:20:11,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356f3a34-7a14-47ea-83fd-c6f2b67b0eed/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:20:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:20:11,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:20:11,791 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:20:11,793 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:20:11,834 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:20:11,838 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:20:11,838 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 20:20:11,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:20:11 BoogieIcfgContainer [2022-12-13 20:20:11,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:20:11,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:20:11,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:20:11,844 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:20:11,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:20:11" (1/3) ... [2022-12-13 20:20:11,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4700448d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:20:11, skipping insertion in model container [2022-12-13 20:20:11,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:11" (2/3) ... [2022-12-13 20:20:11,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4700448d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:20:11, skipping insertion in model container [2022-12-13 20:20:11,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:20:11" (3/3) ... [2022-12-13 20:20:11,846 INFO L112 eAbstractionObserver]: Analyzing ICFG NonTerminationSimple9.c [2022-12-13 20:20:11,860 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:20:11,860 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 20:20:11,893 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:20:11,898 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;@15373739, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:20:11,899 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 20:20:11,902 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 8 states have (on average 1.5) internal successors, (12), 10 states have internal predecessors, (12), 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 20:20:11,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-13 20:20:11,906 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:20:11,907 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-13 20:20:11,907 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 20:20:11,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:20:11,911 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2022-12-13 20:20:11,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:20:11,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262113369] [2022-12-13 20:20:11,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:20:11,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:20:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:20:12,047 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 20:20:12,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:20:12,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262113369] [2022-12-13 20:20:12,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262113369] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:20:12,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:20:12,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:20:12,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410743301] [2022-12-13 20:20:12,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:20:12,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:20:12,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:20:12,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:20:12,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:20:12,082 INFO L87 Difference]: Start difference. First operand has 11 states, 8 states have (on average 1.5) internal successors, (12), 10 states have internal predecessors, (12), 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 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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 20:20:12,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:20:12,102 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-12-13 20:20:12,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:20:12,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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 20:20:12,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:20:12,110 INFO L225 Difference]: With dead ends: 15 [2022-12-13 20:20:12,110 INFO L226 Difference]: Without dead ends: 6 [2022-12-13 20:20:12,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:20:12,115 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:20:12,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:20:12,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2022-12-13 20:20:12,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2022-12-13 20:20:12,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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 20:20:12,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2022-12-13 20:20:12,137 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2022-12-13 20:20:12,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:20:12,138 INFO L495 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2022-12-13 20:20:12,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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 20:20:12,138 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2022-12-13 20:20:12,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 20:20:12,138 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:20:12,138 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 20:20:12,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:20:12,139 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 20:20:12,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:20:12,140 INFO L85 PathProgramCache]: Analyzing trace with hash 28699721, now seen corresponding path program 1 times [2022-12-13 20:20:12,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:20:12,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432200822] [2022-12-13 20:20:12,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:20:12,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:20:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:20:12,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:20:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:20:12,167 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:20:12,167 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 20:20:12,169 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 20:20:12,171 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 20:20:12,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:20:12,176 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 20:20:12,179 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:20:12,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:20:12 BoogieIcfgContainer [2022-12-13 20:20:12,189 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:20:12,190 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:20:12,190 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:20:12,190 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:20:12,190 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:20:11" (3/4) ... [2022-12-13 20:20:12,192 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 20:20:12,219 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356f3a34-7a14-47ea-83fd-c6f2b67b0eed/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:20:12,219 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:20:12,220 INFO L158 Benchmark]: Toolchain (without parser) took 737.64ms. Allocated memory is still 172.0MB. Free memory was 139.2MB in the beginning and 93.8MB in the end (delta: 45.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-12-13 20:20:12,220 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 115.3MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:20:12,221 INFO L158 Benchmark]: CACSL2BoogieTranslator took 165.17ms. Allocated memory is still 172.0MB. Free memory was 138.8MB in the beginning and 129.8MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 20:20:12,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.88ms. Allocated memory is still 172.0MB. Free memory was 129.8MB in the beginning and 128.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:20:12,222 INFO L158 Benchmark]: Boogie Preprocessor took 14.30ms. Allocated memory is still 172.0MB. Free memory was 128.7MB in the beginning and 127.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:20:12,222 INFO L158 Benchmark]: RCFGBuilder took 151.70ms. Allocated memory is still 172.0MB. Free memory was 127.3MB in the beginning and 118.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 20:20:12,223 INFO L158 Benchmark]: TraceAbstraction took 348.11ms. Allocated memory is still 172.0MB. Free memory was 118.2MB in the beginning and 95.4MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 20:20:12,223 INFO L158 Benchmark]: Witness Printer took 29.16ms. Allocated memory is still 172.0MB. Free memory was 95.4MB in the beginning and 93.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:20:12,226 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 115.3MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 165.17ms. Allocated memory is still 172.0MB. Free memory was 138.8MB in the beginning and 129.8MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.88ms. Allocated memory is still 172.0MB. Free memory was 129.8MB in the beginning and 128.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.30ms. Allocated memory is still 172.0MB. Free memory was 128.7MB in the beginning and 127.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 151.70ms. Allocated memory is still 172.0MB. Free memory was 127.3MB in the beginning and 118.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 348.11ms. Allocated memory is still 172.0MB. Free memory was 118.2MB in the beginning and 95.4MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 29.16ms. Allocated memory is still 172.0MB. Free memory was 95.4MB in the beginning and 93.8MB in the end (delta: 1.6MB). 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: 15]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int x; [L13] x = __VERIFIER_nondet_int() [L14] COND TRUE x >= 0 [L15] x + __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, x=2147483647] - UnprovableResult [Line: 15]: 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, 11 locations, 2 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, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 7 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0 StatesRemovedByMinimization, 0 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, 8 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 20:20:12,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356f3a34-7a14-47ea-83fd-c6f2b67b0eed/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)