./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/LeUserDefRec.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb1190d-9773-4a52-8b05-a9cd1d1ece07/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb1190d-9773-4a52-8b05-a9cd1d1ece07/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb1190d-9773-4a52-8b05-a9cd1d1ece07/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb1190d-9773-4a52-8b05-a9cd1d1ece07/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-numeric/LeUserDefRec.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb1190d-9773-4a52-8b05-a9cd1d1ece07/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb1190d-9773-4a52-8b05-a9cd1d1ece07/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f7a7969fc6cc20e98c11cb81158885b6cad7da26c6b558e299f4dcaf9719967a --- 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-b5237d8 [2022-11-21 17:13:03,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:13:03,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:13:03,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:13:03,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:13:03,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:13:03,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:13:03,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:13:03,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:13:03,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:13:03,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:13:03,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:13:03,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:13:03,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:13:03,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:13:03,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:13:03,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:13:03,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:13:03,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:13:03,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:13:03,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:13:03,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:13:03,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:13:03,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:13:03,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:13:03,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:13:03,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:13:03,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:13:03,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:13:03,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:13:03,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:13:03,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:13:03,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:13:03,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:13:03,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:13:03,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:13:03,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:13:03,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:13:03,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:13:03,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:13:03,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:13:03,964 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb1190d-9773-4a52-8b05-a9cd1d1ece07/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-21 17:13:04,000 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:13:04,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:13:04,001 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:13:04,001 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:13:04,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:13:04,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:13:04,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:13:04,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:13:04,003 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:13:04,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:13:04,007 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 17:13:04,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:13:04,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:13:04,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:13:04,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:13:04,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:13:04,008 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 17:13:04,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:13:04,008 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:13:04,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:13:04,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:13:04,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:13:04,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:13:04,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:13:04,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:13:04,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:13:04,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:13:04,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:13:04,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:13:04,010 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:13:04,011 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:13:04,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:13:04,011 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb1190d-9773-4a52-8b05-a9cd1d1ece07/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb1190d-9773-4a52-8b05-a9cd1d1ece07/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7a7969fc6cc20e98c11cb81158885b6cad7da26c6b558e299f4dcaf9719967a [2022-11-21 17:13:04,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:13:04,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:13:04,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:13:04,352 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:13:04,352 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:13:04,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb1190d-9773-4a52-8b05-a9cd1d1ece07/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/termination-numeric/LeUserDefRec.c [2022-11-21 17:13:07,435 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:13:07,621 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:13:07,621 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb1190d-9773-4a52-8b05-a9cd1d1ece07/sv-benchmarks/c/termination-numeric/LeUserDefRec.c [2022-11-21 17:13:07,627 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb1190d-9773-4a52-8b05-a9cd1d1ece07/bin/uautomizer-vX5HgA9Q3a/data/10f0e6230/5d0e566d5f684b649718792877883a31/FLAGdaa3c4157 [2022-11-21 17:13:07,641 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb1190d-9773-4a52-8b05-a9cd1d1ece07/bin/uautomizer-vX5HgA9Q3a/data/10f0e6230/5d0e566d5f684b649718792877883a31 [2022-11-21 17:13:07,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:13:07,645 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:13:07,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:13:07,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:13:07,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:13:07,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:13:07" (1/1) ... [2022-11-21 17:13:07,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@350416b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:07, skipping insertion in model container [2022-11-21 17:13:07,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:13:07" (1/1) ... [2022-11-21 17:13:07,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:13:07,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:13:07,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:13:07,813 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:13:07,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:13:07,839 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:13:07,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:07 WrapperNode [2022-11-21 17:13:07,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:13:07,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:13:07,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:13:07,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:13:07,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:07" (1/1) ... [2022-11-21 17:13:07,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:07" (1/1) ... [2022-11-21 17:13:07,878 INFO L138 Inliner]: procedures = 6, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2022-11-21 17:13:07,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:13:07,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:13:07,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:13:07,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:13:07,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:07" (1/1) ... [2022-11-21 17:13:07,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:07" (1/1) ... [2022-11-21 17:13:07,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:07" (1/1) ... [2022-11-21 17:13:07,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:07" (1/1) ... [2022-11-21 17:13:07,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:07" (1/1) ... [2022-11-21 17:13:07,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:07" (1/1) ... [2022-11-21 17:13:07,902 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:07" (1/1) ... [2022-11-21 17:13:07,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:07" (1/1) ... [2022-11-21 17:13:07,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:13:07,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:13:07,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:13:07,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:13:07,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:07" (1/1) ... [2022-11-21 17:13:07,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:13:07,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb1190d-9773-4a52-8b05-a9cd1d1ece07/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:13:07,944 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb1190d-9773-4a52-8b05-a9cd1d1ece07/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:13:07,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb1190d-9773-4a52-8b05-a9cd1d1ece07/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:13:07,992 INFO L130 BoogieDeclarations]: Found specification of procedure le [2022-11-21 17:13:07,992 INFO L138 BoogieDeclarations]: Found implementation of procedure le [2022-11-21 17:13:07,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:13:07,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:13:08,055 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:13:08,057 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:13:08,177 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:13:08,184 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:13:08,184 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:13:08,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:13:08 BoogieIcfgContainer [2022-11-21 17:13:08,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:13:08,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:13:08,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:13:08,192 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:13:08,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:13:07" (1/3) ... [2022-11-21 17:13:08,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58923a7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:13:08, skipping insertion in model container [2022-11-21 17:13:08,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:13:07" (2/3) ... [2022-11-21 17:13:08,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58923a7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:13:08, skipping insertion in model container [2022-11-21 17:13:08,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:13:08" (3/3) ... [2022-11-21 17:13:08,195 INFO L112 eAbstractionObserver]: Analyzing ICFG LeUserDefRec.c [2022-11-21 17:13:08,215 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:13:08,216 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-21 17:13:08,274 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:13:08,280 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;@60cc6e67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:13:08,280 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-21 17:13:08,284 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 17:13:08,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 17:13:08,290 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:13:08,290 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:13:08,291 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 17:13:08,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:13:08,296 INFO L85 PathProgramCache]: Analyzing trace with hash -211694171, now seen corresponding path program 1 times [2022-11-21 17:13:08,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:13:08,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557079210] [2022-11-21 17:13:08,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:13:08,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:13:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:08,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:13:08,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:13:08,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557079210] [2022-11-21 17:13:08,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557079210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:13:08,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:13:08,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:13:08,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816700299] [2022-11-21 17:13:08,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:13:08,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:13:08,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:13:08,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:13:08,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:13:08,559 INFO L87 Difference]: Start difference. First operand has 23 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:13:08,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:13:08,640 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2022-11-21 17:13:08,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:13:08,647 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-21 17:13:08,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:13:08,654 INFO L225 Difference]: With dead ends: 23 [2022-11-21 17:13:08,655 INFO L226 Difference]: Without dead ends: 15 [2022-11-21 17:13:08,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:13:08,664 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 27 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:13:08,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 36 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:13:08,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-21 17:13:08,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-21 17:13:08,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 10 states have (on average 1.3) internal successors, (13), 13 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:13:08,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-21 17:13:08,705 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2022-11-21 17:13:08,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:13:08,706 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-21 17:13:08,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:13:08,707 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-21 17:13:08,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 17:13:08,707 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:13:08,707 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:13:08,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:13:08,708 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 17:13:08,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:13:08,709 INFO L85 PathProgramCache]: Analyzing trace with hash 2027415328, now seen corresponding path program 1 times [2022-11-21 17:13:08,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:13:08,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600826546] [2022-11-21 17:13:08,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:13:08,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:13:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:08,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:13:08,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:13:08,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600826546] [2022-11-21 17:13:08,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600826546] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:13:08,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:13:08,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:13:08,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218647695] [2022-11-21 17:13:08,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:13:08,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:13:08,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:13:08,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:13:08,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:13:08,821 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:13:08,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:13:08,844 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-11-21 17:13:08,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:13:08,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-21 17:13:08,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:13:08,846 INFO L225 Difference]: With dead ends: 15 [2022-11-21 17:13:08,846 INFO L226 Difference]: Without dead ends: 14 [2022-11-21 17:13:08,846 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 [2022-11-21 17:13:08,848 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 5 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:13:08,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 17 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:13:08,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-21 17:13:08,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-21 17:13:08,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 12 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:13:08,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-11-21 17:13:08,854 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 9 [2022-11-21 17:13:08,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:13:08,854 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2022-11-21 17:13:08,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:13:08,855 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-11-21 17:13:08,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 17:13:08,858 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:13:08,859 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:13:08,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 17:13:08,859 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 17:13:08,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:13:08,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1574634233, now seen corresponding path program 1 times [2022-11-21 17:13:08,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:13:08,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553434034] [2022-11-21 17:13:08,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:13:08,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:13:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:08,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:13:08,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:13:08,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553434034] [2022-11-21 17:13:08,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553434034] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:13:08,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:13:08,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:13:08,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802569067] [2022-11-21 17:13:08,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:13:08,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:13:08,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:13:08,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:13:08,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:13:08,988 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:13:09,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:13:09,059 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2022-11-21 17:13:09,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:13:09,060 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-21 17:13:09,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:13:09,061 INFO L225 Difference]: With dead ends: 14 [2022-11-21 17:13:09,061 INFO L226 Difference]: Without dead ends: 13 [2022-11-21 17:13:09,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:13:09,063 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 10 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:13:09,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 16 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:13:09,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-21 17:13:09,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-21 17:13:09,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.1) internal successors, (11), 11 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:13:09,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-11-21 17:13:09,069 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2022-11-21 17:13:09,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:13:09,069 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2022-11-21 17:13:09,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:13:09,070 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-11-21 17:13:09,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 17:13:09,070 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:13:09,071 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:13:09,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 17:13:09,076 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 17:13:09,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:13:09,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1569020926, now seen corresponding path program 1 times [2022-11-21 17:13:09,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:13:09,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303921785] [2022-11-21 17:13:09,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:13:09,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:13:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:13:09,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:13:09,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:13:09,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303921785] [2022-11-21 17:13:09,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303921785] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:13:09,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:13:09,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:13:09,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776398147] [2022-11-21 17:13:09,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:13:09,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:13:09,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:13:09,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:13:09,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:13:09,176 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:13:09,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:13:09,185 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2022-11-21 17:13:09,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:13:09,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-21 17:13:09,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:13:09,204 INFO L225 Difference]: With dead ends: 13 [2022-11-21 17:13:09,204 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 17:13:09,204 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 [2022-11-21 17:13:09,206 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 1 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:13:09,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 15 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:13:09,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 17:13:09,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 17:13:09,208 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) [2022-11-21 17:13:09,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 17:13:09,208 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2022-11-21 17:13:09,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:13:09,208 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 17:13:09,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:13:09,209 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 17:13:09,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 17:13:09,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-21 17:13:09,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-21 17:13:09,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-21 17:13:09,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-21 17:13:09,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 17:13:09,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 17:13:09,299 INFO L899 garLoopResultBuilder]: For program point leFINAL(lines 41 47) no Hoare annotation was computed. [2022-11-21 17:13:09,300 INFO L899 garLoopResultBuilder]: For program point leEXIT(lines 41 47) no Hoare annotation was computed. [2022-11-21 17:13:09,300 INFO L902 garLoopResultBuilder]: At program point leENTRY(lines 41 47) the Hoare annotation is: true [2022-11-21 17:13:09,300 INFO L899 garLoopResultBuilder]: For program point leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2022-11-21 17:13:09,301 INFO L899 garLoopResultBuilder]: For program point leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2022-11-21 17:13:09,301 INFO L899 garLoopResultBuilder]: For program point leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2022-11-21 17:13:09,301 INFO L899 garLoopResultBuilder]: For program point leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2022-11-21 17:13:09,301 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-11-21 17:13:09,302 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 46) no Hoare annotation was computed. [2022-11-21 17:13:09,302 INFO L899 garLoopResultBuilder]: For program point L43-1(line 43) no Hoare annotation was computed. [2022-11-21 17:13:09,302 INFO L899 garLoopResultBuilder]: For program point L43-2(line 43) no Hoare annotation was computed. [2022-11-21 17:13:09,302 INFO L899 garLoopResultBuilder]: For program point L43-3(line 43) no Hoare annotation was computed. [2022-11-21 17:13:09,303 INFO L895 garLoopResultBuilder]: At program point L43-4(line 43) the Hoare annotation is: (or (not (<= |le_#in~x| 2147483647)) (and (<= le_~y 2147483647) (<= le_~x 2147483647) (<= 1 le_~y) (<= 1 le_~x)) (not (<= |le_#in~y| 2147483647))) [2022-11-21 17:13:09,303 INFO L899 garLoopResultBuilder]: For program point L43-5(line 43) no Hoare annotation was computed. [2022-11-21 17:13:09,303 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 17:13:09,304 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 17:13:09,304 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 17:13:09,304 INFO L895 garLoopResultBuilder]: At program point L29(line 29) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 2147483647) (<= |ULTIMATE.start_main_~y~0#1| 2147483647)) [2022-11-21 17:13:09,304 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 17:13:09,305 INFO L899 garLoopResultBuilder]: For program point L29-1(line 29) no Hoare annotation was computed. [2022-11-21 17:13:09,305 INFO L899 garLoopResultBuilder]: For program point L26(lines 26 27) no Hoare annotation was computed. [2022-11-21 17:13:09,305 INFO L899 garLoopResultBuilder]: For program point L23(lines 23 24) no Hoare annotation was computed. [2022-11-21 17:13:09,305 INFO L895 garLoopResultBuilder]: At program point L21(lines 21 31) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483647) [2022-11-21 17:13:09,309 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-21 17:13:09,311 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 17:13:09,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:13:09 BoogieIcfgContainer [2022-11-21 17:13:09,326 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:13:09,327 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:13:09,327 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:13:09,327 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:13:09,328 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:13:08" (3/4) ... [2022-11-21 17:13:09,331 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 17:13:09,338 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure le [2022-11-21 17:13:09,342 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 17:13:09,343 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 17:13:09,343 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 17:13:09,377 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb1190d-9773-4a52-8b05-a9cd1d1ece07/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 17:13:09,377 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:13:09,378 INFO L158 Benchmark]: Toolchain (without parser) took 1732.56ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 105.9MB in the beginning and 138.7MB in the end (delta: -32.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:13:09,378 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 144.7MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:13:09,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.14ms. Allocated memory is still 144.7MB. Free memory was 105.6MB in the beginning and 96.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 17:13:09,379 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.91ms. Allocated memory is still 144.7MB. Free memory was 96.3MB in the beginning and 95.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:13:09,380 INFO L158 Benchmark]: Boogie Preprocessor took 27.59ms. Allocated memory is still 144.7MB. Free memory was 95.1MB in the beginning and 94.1MB in the end (delta: 954.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:13:09,380 INFO L158 Benchmark]: RCFGBuilder took 278.10ms. Allocated memory is still 144.7MB. Free memory was 94.1MB in the beginning and 83.9MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 17:13:09,381 INFO L158 Benchmark]: TraceAbstraction took 1137.85ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 83.3MB in the beginning and 140.8MB in the end (delta: -57.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:13:09,381 INFO L158 Benchmark]: Witness Printer took 50.45ms. Allocated memory is still 174.1MB. Free memory was 140.8MB in the beginning and 138.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:13:09,383 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 144.7MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 194.14ms. Allocated memory is still 144.7MB. Free memory was 105.6MB in the beginning and 96.3MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.91ms. Allocated memory is still 144.7MB. Free memory was 96.3MB in the beginning and 95.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.59ms. Allocated memory is still 144.7MB. Free memory was 95.1MB in the beginning and 94.1MB in the end (delta: 954.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 278.10ms. Allocated memory is still 144.7MB. Free memory was 94.1MB in the beginning and 83.9MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1137.85ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 83.3MB in the beginning and 140.8MB in the end (delta: -57.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 50.45ms. Allocated memory is still 174.1MB. Free memory was 140.8MB in the beginning and 138.7MB in the end (delta: 2.1MB). 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: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: 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 2 procedures, 23 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 84 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 44 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 16, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 33 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: x <= 2147483647 RESULT: Ultimate proved your program to be correct! [2022-11-21 17:13:09,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb1190d-9773-4a52-8b05-a9cd1d1ece07/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE