./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/num_conversion_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/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_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/num_conversion_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/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 32bit --witnessprinter.graph.data.programhash 7e0da033eb6b5a3b4db0394198751cf880534ee28b64f0bd7b196bfba1d785e1 --- 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 12:00:02,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:00:02,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:00:02,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:00:02,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:00:02,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:00:02,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:00:02,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:00:02,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:00:02,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:00:02,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:00:02,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:00:02,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:00:02,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:00:02,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:00:02,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:00:02,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:00:02,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:00:02,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:00:02,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:00:02,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:00:02,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:00:02,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:00:02,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:00:02,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:00:02,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:00:02,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:00:02,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:00:02,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:00:02,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:00:02,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:00:02,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:00:02,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:00:02,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:00:02,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:00:02,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:00:02,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:00:02,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:00:02,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:00:02,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:00:02,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:00:02,799 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-12-13 12:00:02,814 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:00:02,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:00:02,815 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:00:02,815 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:00:02,815 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:00:02,815 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:00:02,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:00:02,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:00:02,816 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:00:02,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:00:02,816 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:00:02,817 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:00:02,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:00:02,817 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:00:02,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:00:02,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:00:02,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:00:02,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:00:02,818 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 12:00:02,818 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:00:02,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:00:02,818 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:00:02,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:00:02,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:00:02,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:00:02,819 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:00:02,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:00:02,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:00:02,820 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:00:02,820 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:00:02,820 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:00:02,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:00:02,820 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:00:02,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:00:02,821 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:00:02,821 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:00:02,821 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:00:02,821 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_8ca52ab6-c75d-41a8-a904-31cbc54b656f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e0da033eb6b5a3b4db0394198751cf880534ee28b64f0bd7b196bfba1d785e1 [2022-12-13 12:00:03,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:00:03,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:00:03,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:00:03,029 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:00:03,029 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:00:03,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/bitvector/num_conversion_2.c [2022-12-13 12:00:05,544 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:00:05,688 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:00:05,689 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/sv-benchmarks/c/bitvector/num_conversion_2.c [2022-12-13 12:00:05,693 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/data/03313cbef/93f36fa98b5d41e5846c9fdd8f3d9e4c/FLAGe8e4ee3c4 [2022-12-13 12:00:06,100 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/data/03313cbef/93f36fa98b5d41e5846c9fdd8f3d9e4c [2022-12-13 12:00:06,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:00:06,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:00:06,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:00:06,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:00:06,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:00:06,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:00:06" (1/1) ... [2022-12-13 12:00:06,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ee43974 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:06, skipping insertion in model container [2022-12-13 12:00:06,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:00:06" (1/1) ... [2022-12-13 12:00:06,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:00:06,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:00:06,239 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/sv-benchmarks/c/bitvector/num_conversion_2.c[685,698] [2022-12-13 12:00:06,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:00:06,260 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:00:06,271 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/sv-benchmarks/c/bitvector/num_conversion_2.c[685,698] [2022-12-13 12:00:06,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:00:06,287 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:00:06,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:06 WrapperNode [2022-12-13 12:00:06,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:00:06,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:00:06,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:00:06,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:00:06,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:06" (1/1) ... [2022-12-13 12:00:06,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:06" (1/1) ... [2022-12-13 12:00:06,316 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2022-12-13 12:00:06,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:00:06,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:00:06,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:00:06,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:00:06,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:06" (1/1) ... [2022-12-13 12:00:06,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:06" (1/1) ... [2022-12-13 12:00:06,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:06" (1/1) ... [2022-12-13 12:00:06,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:06" (1/1) ... [2022-12-13 12:00:06,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:06" (1/1) ... [2022-12-13 12:00:06,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:06" (1/1) ... [2022-12-13 12:00:06,334 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:06" (1/1) ... [2022-12-13 12:00:06,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:06" (1/1) ... [2022-12-13 12:00:06,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:00:06,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:00:06,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:00:06,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:00:06,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:06" (1/1) ... [2022-12-13 12:00:06,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:00:06,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:00:06,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:00:06,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:00:06,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:00:06,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:00:06,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:00:06,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:00:06,448 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:00:06,450 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:00:06,533 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:00:06,538 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:00:06,539 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 12:00:06,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:00:06 BoogieIcfgContainer [2022-12-13 12:00:06,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:00:06,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:00:06,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:00:06,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:00:06,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:00:06" (1/3) ... [2022-12-13 12:00:06,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a97467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:00:06, skipping insertion in model container [2022-12-13 12:00:06,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:06" (2/3) ... [2022-12-13 12:00:06,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a97467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:00:06, skipping insertion in model container [2022-12-13 12:00:06,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:00:06" (3/3) ... [2022-12-13 12:00:06,547 INFO L112 eAbstractionObserver]: Analyzing ICFG num_conversion_2.c [2022-12-13 12:00:06,561 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:00:06,562 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-12-13 12:00:06,599 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:00:06,604 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;@796c78bc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:00:06,604 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-13 12:00:06,608 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 24 states have internal predecessors, (28), 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 12:00:06,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-13 12:00:06,612 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:00:06,613 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-13 12:00:06,613 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4 more)] === [2022-12-13 12:00:06,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:00:06,617 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2022-12-13 12:00:06,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:00:06,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7735155] [2022-12-13 12:00:06,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:00:06,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:00:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:00:06,749 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 12:00:06,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:00:06,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7735155] [2022-12-13 12:00:06,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7735155] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:00:06,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:00:06,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:00:06,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241097926] [2022-12-13 12:00:06,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:00:06,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:00:06,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:00:06,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:00:06,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:00:06,780 INFO L87 Difference]: Start difference. First operand has 25 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 24 states have internal predecessors, (28), 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 12:00:06,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:00:06,808 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2022-12-13 12:00:06,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:00:06,810 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 12:00:06,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:00:06,815 INFO L225 Difference]: With dead ends: 33 [2022-12-13 12:00:06,815 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 12:00:06,818 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 12:00:06,820 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 10 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:00:06,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 25 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:00:06,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 12:00:06,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2022-12-13 12:00:06,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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 12:00:06,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-12-13 12:00:06,843 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 4 [2022-12-13 12:00:06,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:00:06,844 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-12-13 12:00:06,844 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 12:00:06,844 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-13 12:00:06,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 12:00:06,844 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:00:06,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 12:00:06,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:00:06,845 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4 more)] === [2022-12-13 12:00:06,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:00:06,846 INFO L85 PathProgramCache]: Analyzing trace with hash 28699721, now seen corresponding path program 1 times [2022-12-13 12:00:06,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:00:06,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85261205] [2022-12-13 12:00:06,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:00:06,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:00:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:00:06,856 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:00:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:00:06,873 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:00:06,873 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 12:00:06,874 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 7 remaining) [2022-12-13 12:00:06,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 7 remaining) [2022-12-13 12:00:06,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 7 remaining) [2022-12-13 12:00:06,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 7 remaining) [2022-12-13 12:00:06,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2022-12-13 12:00:06,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2022-12-13 12:00:06,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2022-12-13 12:00:06,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 12:00:06,880 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 12:00:06,882 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:00:06,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:00:06 BoogieIcfgContainer [2022-12-13 12:00:06,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:00:06,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:00:06,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:00:06,894 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:00:06,894 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:00:06" (3/4) ... [2022-12-13 12:00:06,897 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 12:00:06,897 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:00:06,897 INFO L158 Benchmark]: Toolchain (without parser) took 793.55ms. Allocated memory is still 190.8MB. Free memory was 148.1MB in the beginning and 99.4MB in the end (delta: 48.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-12-13 12:00:06,897 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 190.8MB. Free memory is still 145.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:00:06,898 INFO L158 Benchmark]: CACSL2BoogieTranslator took 183.65ms. Allocated memory is still 190.8MB. Free memory was 147.6MB in the beginning and 137.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 12:00:06,898 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.66ms. Allocated memory is still 190.8MB. Free memory was 137.6MB in the beginning and 136.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:00:06,898 INFO L158 Benchmark]: Boogie Preprocessor took 18.30ms. Allocated memory is still 190.8MB. Free memory was 136.3MB in the beginning and 135.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:00:06,899 INFO L158 Benchmark]: RCFGBuilder took 204.31ms. Allocated memory is still 190.8MB. Free memory was 135.0MB in the beginning and 125.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 12:00:06,899 INFO L158 Benchmark]: TraceAbstraction took 351.45ms. Allocated memory is still 190.8MB. Free memory was 124.1MB in the beginning and 99.8MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-13 12:00:06,900 INFO L158 Benchmark]: Witness Printer took 2.91ms. Allocated memory is still 190.8MB. Free memory was 99.8MB in the beginning and 99.4MB in the end (delta: 445.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:00:06,901 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 190.8MB. Free memory is still 145.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 183.65ms. Allocated memory is still 190.8MB. Free memory was 147.6MB in the beginning and 137.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.66ms. Allocated memory is still 190.8MB. Free memory was 137.6MB in the beginning and 136.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.30ms. Allocated memory is still 190.8MB. Free memory was 136.3MB in the beginning and 135.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 204.31ms. Allocated memory is still 190.8MB. Free memory was 135.0MB in the beginning and 125.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 351.45ms. Allocated memory is still 190.8MB. Free memory was 124.1MB in the beginning and 99.8MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 2.91ms. Allocated memory is still 190.8MB. Free memory was 99.8MB in the beginning and 99.4MB in the end (delta: 445.7kB). There was no memory consumed. 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 - UnprovableResult [Line: 31]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of shiftLeft at line 31. Possible FailurePath: [L24] unsigned char x = __VERIFIER_nondet_uchar(); [L25] unsigned char y; [L26] unsigned char c; [L28] y = 0 [L29] c = 0 VAL [c=0, y=0] [L30] COND TRUE c < (unsigned char)8 VAL [c=0, y=0] [L31] ((unsigned char)1) << c VAL [c=0, y=0] - UnprovableResult [Line: 31]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 31]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: 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, 25 locations, 7 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, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 18 mSDtfsCounter, 5 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=25occurred 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, 1 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, 11 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 could not prove your program: unable to determine feasibility of some traces [2022-12-13 12:00:06,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/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_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/num_conversion_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/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 32bit --witnessprinter.graph.data.programhash 7e0da033eb6b5a3b4db0394198751cf880534ee28b64f0bd7b196bfba1d785e1 --- 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 12:00:08,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:00:08,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:00:08,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:00:08,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:00:08,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:00:08,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:00:08,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:00:08,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:00:08,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:00:08,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:00:08,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:00:08,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:00:08,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:00:08,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:00:08,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:00:08,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:00:08,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:00:08,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:00:08,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:00:08,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:00:08,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:00:08,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:00:08,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:00:08,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:00:08,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:00:08,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:00:08,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:00:08,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:00:08,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:00:08,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:00:08,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:00:08,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:00:08,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:00:08,630 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:00:08,630 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:00:08,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:00:08,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:00:08,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:00:08,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:00:08,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:00:08,634 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2022-12-13 12:00:08,656 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:00:08,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:00:08,657 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:00:08,657 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:00:08,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:00:08,658 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:00:08,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:00:08,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:00:08,659 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:00:08,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:00:08,659 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:00:08,659 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:00:08,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:00:08,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:00:08,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:00:08,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:00:08,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:00:08,660 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 12:00:08,661 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 12:00:08,661 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 12:00:08,661 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 12:00:08,661 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:00:08,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:00:08,661 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:00:08,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:00:08,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:00:08,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:00:08,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:00:08,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:00:08,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:00:08,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:00:08,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:00:08,662 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 12:00:08,662 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 12:00:08,663 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:00:08,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:00:08,663 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:00:08,663 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:00:08,663 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 12:00:08,663 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:00:08,663 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_8ca52ab6-c75d-41a8-a904-31cbc54b656f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e0da033eb6b5a3b4db0394198751cf880534ee28b64f0bd7b196bfba1d785e1 [2022-12-13 12:00:08,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:00:08,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:00:08,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:00:08,899 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:00:08,899 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:00:08,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/bitvector/num_conversion_2.c [2022-12-13 12:00:11,418 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:00:11,554 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:00:11,554 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/sv-benchmarks/c/bitvector/num_conversion_2.c [2022-12-13 12:00:11,560 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/data/bbb29991e/dbbd21fd32734d6aa1a7d1b4d32eccf1/FLAGdebc7e571 [2022-12-13 12:00:11,572 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/data/bbb29991e/dbbd21fd32734d6aa1a7d1b4d32eccf1 [2022-12-13 12:00:11,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:00:11,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:00:11,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:00:11,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:00:11,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:00:11,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:00:11" (1/1) ... [2022-12-13 12:00:11,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a09a53b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:11, skipping insertion in model container [2022-12-13 12:00:11,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:00:11" (1/1) ... [2022-12-13 12:00:11,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:00:11,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:00:11,712 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/sv-benchmarks/c/bitvector/num_conversion_2.c[685,698] [2022-12-13 12:00:11,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:00:11,734 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:00:11,744 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/sv-benchmarks/c/bitvector/num_conversion_2.c[685,698] [2022-12-13 12:00:11,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:00:11,760 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:00:11,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:11 WrapperNode [2022-12-13 12:00:11,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:00:11,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:00:11,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:00:11,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:00:11,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:11" (1/1) ... [2022-12-13 12:00:11,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:11" (1/1) ... [2022-12-13 12:00:11,798 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2022-12-13 12:00:11,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:00:11,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:00:11,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:00:11,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:00:11,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:11" (1/1) ... [2022-12-13 12:00:11,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:11" (1/1) ... [2022-12-13 12:00:11,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:11" (1/1) ... [2022-12-13 12:00:11,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:11" (1/1) ... [2022-12-13 12:00:11,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:11" (1/1) ... [2022-12-13 12:00:11,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:11" (1/1) ... [2022-12-13 12:00:11,818 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:11" (1/1) ... [2022-12-13 12:00:11,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:11" (1/1) ... [2022-12-13 12:00:11,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:00:11,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:00:11,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:00:11,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:00:11,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:11" (1/1) ... [2022-12-13 12:00:11,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:00:11,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:00:11,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:00:11,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:00:11,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:00:11,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:00:11,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:00:11,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 12:00:11,946 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:00:11,948 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:00:12,059 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:00:12,063 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:00:12,063 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 12:00:12,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:00:12 BoogieIcfgContainer [2022-12-13 12:00:12,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:00:12,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:00:12,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:00:12,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:00:12,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:00:11" (1/3) ... [2022-12-13 12:00:12,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d89739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:00:12, skipping insertion in model container [2022-12-13 12:00:12,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:00:11" (2/3) ... [2022-12-13 12:00:12,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d89739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:00:12, skipping insertion in model container [2022-12-13 12:00:12,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:00:12" (3/3) ... [2022-12-13 12:00:12,071 INFO L112 eAbstractionObserver]: Analyzing ICFG num_conversion_2.c [2022-12-13 12:00:12,088 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:00:12,089 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-12-13 12:00:12,123 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:00:12,127 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;@2311efa5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:00:12,127 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-13 12:00:12,131 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 24 states have internal predecessors, (28), 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 12:00:12,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-13 12:00:12,135 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:00:12,136 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-13 12:00:12,136 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4 more)] === [2022-12-13 12:00:12,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:00:12,140 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2022-12-13 12:00:12,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 12:00:12,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [452988456] [2022-12-13 12:00:12,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:00:12,150 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 12:00:12,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 12:00:12,151 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 12:00:12,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 12:00:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:00:12,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:00:12,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:00:12,222 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 12:00:12,222 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:00:12,223 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 12:00:12,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [452988456] [2022-12-13 12:00:12,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [452988456] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:00:12,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:00:12,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:00:12,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716017051] [2022-12-13 12:00:12,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:00:12,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:00:12,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 12:00:12,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:00:12,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:00:12,250 INFO L87 Difference]: Start difference. First operand has 25 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 24 states have internal predecessors, (28), 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 12:00:12,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:00:12,303 INFO L93 Difference]: Finished difference Result 44 states and 54 transitions. [2022-12-13 12:00:12,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:00:12,305 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 12:00:12,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:00:12,310 INFO L225 Difference]: With dead ends: 44 [2022-12-13 12:00:12,311 INFO L226 Difference]: Without dead ends: 23 [2022-12-13 12:00:12,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 12:00:12,320 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 8 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:00:12,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 27 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:00:12,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-12-13 12:00:12,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 18. [2022-12-13 12:00:12,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 12:00:12,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2022-12-13 12:00:12,343 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 4 [2022-12-13 12:00:12,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:00:12,344 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2022-12-13 12:00:12,344 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 12:00:12,344 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-12-13 12:00:12,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 12:00:12,344 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:00:12,344 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:00:12,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 12:00:12,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 12:00:12,545 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4 more)] === [2022-12-13 12:00:12,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:00:12,546 INFO L85 PathProgramCache]: Analyzing trace with hash -845121802, now seen corresponding path program 1 times [2022-12-13 12:00:12,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 12:00:12,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [253332857] [2022-12-13 12:00:12,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:00:12,547 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 12:00:12,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 12:00:12,548 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 12:00:12,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 12:00:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:00:12,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 12:00:12,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:00:12,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:00:12,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 12:00:12,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:00:12,704 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 12:00:12,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [253332857] [2022-12-13 12:00:12,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [253332857] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 12:00:12,705 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 12:00:12,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2022-12-13 12:00:12,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884417733] [2022-12-13 12:00:12,705 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 12:00:12,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:00:12,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 12:00:12,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:00:12,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:00:12,707 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 12:00:12,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:00:12,765 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2022-12-13 12:00:12,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 12:00:12,765 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 11 [2022-12-13 12:00:12,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:00:12,766 INFO L225 Difference]: With dead ends: 33 [2022-12-13 12:00:12,766 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 12:00:12,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-12-13 12:00:12,768 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 28 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:00:12,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 21 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:00:12,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 12:00:12,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 12:00:12,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 12:00:12,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 12:00:12,769 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2022-12-13 12:00:12,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:00:12,770 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:00:12,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 12:00:12,770 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 12:00:12,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 12:00:12,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 7 remaining) [2022-12-13 12:00:12,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 7 remaining) [2022-12-13 12:00:12,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 7 remaining) [2022-12-13 12:00:12,773 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 7 remaining) [2022-12-13 12:00:12,774 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2022-12-13 12:00:12,774 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2022-12-13 12:00:12,774 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2022-12-13 12:00:12,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 12:00:12,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 12:00:12,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 12:00:13,040 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2022-12-13 12:00:13,041 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2022-12-13 12:00:13,041 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 12:00:13,042 INFO L899 garLoopResultBuilder]: For program point L31(line 31) no Hoare annotation was computed. [2022-12-13 12:00:13,043 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-12-13 12:00:13,043 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 33 35) no Hoare annotation was computed. [2022-12-13 12:00:13,044 INFO L899 garLoopResultBuilder]: For program point L31-1(line 31) no Hoare annotation was computed. [2022-12-13 12:00:13,044 INFO L899 garLoopResultBuilder]: For program point L31-2(line 31) no Hoare annotation was computed. [2022-12-13 12:00:13,045 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-12-13 12:00:13,046 INFO L899 garLoopResultBuilder]: For program point L15(lines 15 17) no Hoare annotation was computed. [2022-12-13 12:00:13,046 INFO L902 garLoopResultBuilder]: At program point L15-2(lines 14 19) the Hoare annotation is: true [2022-12-13 12:00:13,047 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 12:00:13,047 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 22 41) the Hoare annotation is: true [2022-12-13 12:00:13,048 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-12-13 12:00:13,048 INFO L899 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2022-12-13 12:00:13,049 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-12-13 12:00:13,049 INFO L899 garLoopResultBuilder]: For program point L34-1(line 34) no Hoare annotation was computed. [2022-12-13 12:00:13,050 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 12:00:13,050 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2022-12-13 12:00:13,051 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2022-12-13 12:00:13,051 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-12-13 12:00:13,052 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 12:00:13,053 INFO L895 garLoopResultBuilder]: At program point L30-2(lines 30 37) the Hoare annotation is: (bvslt ((_ zero_extend 24) |ULTIMATE.start_main_~c~0#1|) (_ bv32 32)) [2022-12-13 12:00:13,054 INFO L899 garLoopResultBuilder]: For program point L30-3(lines 30 37) no Hoare annotation was computed. [2022-12-13 12:00:13,054 INFO L899 garLoopResultBuilder]: For program point L16(line 16) no Hoare annotation was computed. [2022-12-13 12:00:13,064 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 12:00:13,070 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:00:13,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:00:13 BoogieIcfgContainer [2022-12-13 12:00:13,090 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:00:13,092 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:00:13,092 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:00:13,092 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:00:13,093 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:00:12" (3/4) ... [2022-12-13 12:00:13,098 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 12:00:13,108 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-13 12:00:13,108 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 12:00:13,109 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 12:00:13,109 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 12:00:13,132 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 12:00:13,132 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:00:13,133 INFO L158 Benchmark]: Toolchain (without parser) took 1557.11ms. Allocated memory is still 58.7MB. Free memory was 37.7MB in the beginning and 31.6MB in the end (delta: 6.1MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2022-12-13 12:00:13,133 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 26.4MB in the beginning and 26.4MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:00:13,133 INFO L158 Benchmark]: CACSL2BoogieTranslator took 184.39ms. Allocated memory is still 58.7MB. Free memory was 37.5MB in the beginning and 26.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 12:00:13,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.24ms. Allocated memory is still 58.7MB. Free memory was 26.9MB in the beginning and 39.5MB in the end (delta: -12.6MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2022-12-13 12:00:13,134 INFO L158 Benchmark]: Boogie Preprocessor took 21.93ms. Allocated memory is still 58.7MB. Free memory was 39.5MB in the beginning and 38.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:00:13,134 INFO L158 Benchmark]: RCFGBuilder took 242.70ms. Allocated memory is still 58.7MB. Free memory was 38.2MB in the beginning and 27.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 12:00:13,134 INFO L158 Benchmark]: TraceAbstraction took 1024.23ms. Allocated memory is still 58.7MB. Free memory was 27.1MB in the beginning and 34.1MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:00:13,134 INFO L158 Benchmark]: Witness Printer took 40.67ms. Allocated memory is still 58.7MB. Free memory was 34.1MB in the beginning and 31.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:00:13,136 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 26.4MB in the beginning and 26.4MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 184.39ms. Allocated memory is still 58.7MB. Free memory was 37.5MB in the beginning and 26.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.24ms. Allocated memory is still 58.7MB. Free memory was 26.9MB in the beginning and 39.5MB in the end (delta: -12.6MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.93ms. Allocated memory is still 58.7MB. Free memory was 39.5MB in the beginning and 38.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 242.70ms. Allocated memory is still 58.7MB. Free memory was 38.2MB in the beginning and 27.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1024.23ms. Allocated memory is still 58.7MB. Free memory was 27.1MB in the beginning and 34.1MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 40.67ms. Allocated memory is still 58.7MB. Free memory was 34.1MB in the beginning and 31.6MB in the end (delta: 2.5MB). 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 - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 26 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 2 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 8 NumberOfFragments, 6 HoareAnnotationTreeSize, 3 FomulaSimplifications, 13 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 47 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4 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 - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 12:00:13,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca52ab6-c75d-41a8-a904-31cbc54b656f/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 Result: TRUE