./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/cstrcpy_diffterm_alloca.i --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_9677662b-3a86-4402-ab8a-dffb5ce3a3ac/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9677662b-3a86-4402-ab8a-dffb5ce3a3ac/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9677662b-3a86-4402-ab8a-dffb5ce3a3ac/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9677662b-3a86-4402-ab8a-dffb5ce3a3ac/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-15/cstrcpy_diffterm_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9677662b-3a86-4402-ab8a-dffb5ce3a3ac/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9677662b-3a86-4402-ab8a-dffb5ce3a3ac/bin/utaipan-g80aRyZoba --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6208147553435e5714876401f1a4eadd79c0de15784b51d7cedb5e7e16d0b6cb --- 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 [2022-11-22 00:09:56,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:09:56,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:09:56,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:09:56,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:09:56,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:09:56,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:09:56,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:09:56,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:09:56,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:09:56,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:09:56,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:09:56,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:09:56,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:09:56,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:09:56,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:09:56,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:09:56,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:09:56,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:09:56,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:09:56,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:09:56,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:09:56,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:09:56,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:09:56,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:09:56,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:09:56,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:09:56,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:09:56,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:09:56,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:09:56,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:09:56,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:09:56,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:09:56,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:09:56,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:09:56,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:09:56,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:09:56,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:09:56,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:09:56,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:09:56,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:09:56,828 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9677662b-3a86-4402-ab8a-dffb5ce3a3ac/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-22 00:09:56,864 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:09:56,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:09:56,868 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:09:56,868 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:09:56,869 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:09:56,870 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:09:56,870 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:09:56,870 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:09:56,870 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:09:56,871 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:09:56,872 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:09:56,872 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:09:56,872 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:09:56,872 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:09:56,873 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:09:56,873 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:09:56,873 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:09:56,873 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:09:56,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:09:56,874 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 00:09:56,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:09:56,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:09:56,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:09:56,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:09:56,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:09:56,875 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 00:09:56,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:09:56,876 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:09:56,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:09:56,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:09:56,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:09:56,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:09:56,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:09:56,877 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:09:56,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:09:56,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:09:56,878 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:09:56,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:09:56,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:09:56,879 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:09:56,879 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_9677662b-3a86-4402-ab8a-dffb5ce3a3ac/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9677662b-3a86-4402-ab8a-dffb5ce3a3ac/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6208147553435e5714876401f1a4eadd79c0de15784b51d7cedb5e7e16d0b6cb [2022-11-22 00:09:57,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:09:57,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:09:57,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:09:57,193 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:09:57,194 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:09:57,195 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9677662b-3a86-4402-ab8a-dffb5ce3a3ac/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/termination-15/cstrcpy_diffterm_alloca.i [2022-11-22 00:10:00,309 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:10:00,583 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:10:00,584 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9677662b-3a86-4402-ab8a-dffb5ce3a3ac/sv-benchmarks/c/termination-15/cstrcpy_diffterm_alloca.i [2022-11-22 00:10:00,602 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9677662b-3a86-4402-ab8a-dffb5ce3a3ac/bin/utaipan-g80aRyZoba/data/4138330b6/f2c44b2899a64a559d5643b870f3e513/FLAG0e5bb87d6 [2022-11-22 00:10:00,620 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9677662b-3a86-4402-ab8a-dffb5ce3a3ac/bin/utaipan-g80aRyZoba/data/4138330b6/f2c44b2899a64a559d5643b870f3e513 [2022-11-22 00:10:00,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:10:00,629 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:10:00,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:10:00,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:10:00,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:10:00,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:10:00" (1/1) ... [2022-11-22 00:10:00,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fdc895b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:10:00, skipping insertion in model container [2022-11-22 00:10:00,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:10:00" (1/1) ... [2022-11-22 00:10:00,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:10:00,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:10:01,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:10:01,037 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:10:01,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:10:01,120 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:10:01,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:10:01 WrapperNode [2022-11-22 00:10:01,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:10:01,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:10:01,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:10:01,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:10:01,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:10:01" (1/1) ... [2022-11-22 00:10:01,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:10:01" (1/1) ... [2022-11-22 00:10:01,161 INFO L138 Inliner]: procedures = 152, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-11-22 00:10:01,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:10:01,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:10:01,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:10:01,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:10:01,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:10:01" (1/1) ... [2022-11-22 00:10:01,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:10:01" (1/1) ... [2022-11-22 00:10:01,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:10:01" (1/1) ... [2022-11-22 00:10:01,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:10:01" (1/1) ... [2022-11-22 00:10:01,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:10:01" (1/1) ... [2022-11-22 00:10:01,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:10:01" (1/1) ... [2022-11-22 00:10:01,183 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:10:01" (1/1) ... [2022-11-22 00:10:01,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:10:01" (1/1) ... [2022-11-22 00:10:01,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:10:01,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:10:01,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:10:01,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:10:01,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:10:01" (1/1) ... [2022-11-22 00:10:01,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:10:01,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9677662b-3a86-4402-ab8a-dffb5ce3a3ac/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:10:01,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9677662b-3a86-4402-ab8a-dffb5ce3a3ac/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:10:01,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9677662b-3a86-4402-ab8a-dffb5ce3a3ac/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:10:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 00:10:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 00:10:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:10:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:10:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:10:01,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:10:01,351 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:10:01,353 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:10:01,507 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:10:01,550 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:10:01,550 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 00:10:01,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:10:01 BoogieIcfgContainer [2022-11-22 00:10:01,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:10:01,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:10:01,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:10:01,559 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:10:01,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:10:00" (1/3) ... [2022-11-22 00:10:01,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e7a122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:10:01, skipping insertion in model container [2022-11-22 00:10:01,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:10:01" (2/3) ... [2022-11-22 00:10:01,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e7a122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:10:01, skipping insertion in model container [2022-11-22 00:10:01,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:10:01" (3/3) ... [2022-11-22 00:10:01,578 INFO L112 eAbstractionObserver]: Analyzing ICFG cstrcpy_diffterm_alloca.i [2022-11-22 00:10:01,601 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:10:01,601 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-22 00:10:01,659 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:10:01,669 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=FINITE_AUTOMATA, 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;@20eb4bd4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:10:01,670 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-22 00:10:01,676 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 8 states have (on average 1.625) internal successors, (13), 10 states have internal predecessors, (13), 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) [2022-11-22 00:10:01,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 00:10:01,681 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:10:01,682 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 00:10:01,682 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-22 00:10:01,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:10:01,688 INFO L85 PathProgramCache]: Analyzing trace with hash 77489, now seen corresponding path program 1 times [2022-11-22 00:10:01,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:10:01,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243265151] [2022-11-22 00:10:01,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:10:01,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:10:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:10:02,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:10:02,031 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:10:02,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243265151] [2022-11-22 00:10:02,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243265151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:10:02,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:10:02,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:10:02,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632785450] [2022-11-22 00:10:02,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:10:02,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:10:02,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:10:02,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:10:02,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:10:02,081 INFO L87 Difference]: Start difference. First operand has 11 states, 8 states have (on average 1.625) internal successors, (13), 10 states have internal predecessors, (13), 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 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-22 00:10:02,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:10:02,115 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2022-11-22 00:10:02,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:10:02,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2022-11-22 00:10:02,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:10:02,126 INFO L225 Difference]: With dead ends: 14 [2022-11-22 00:10:02,126 INFO L226 Difference]: Without dead ends: 5 [2022-11-22 00:10:02,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:10:02,148 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 9 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:10:02,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 3 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:10:02,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2022-11-22 00:10:02,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2022-11-22 00:10:02,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 00:10:02,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4 transitions. [2022-11-22 00:10:02,211 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 4 transitions. Word has length 3 [2022-11-22 00:10:02,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:10:02,212 INFO L495 AbstractCegarLoop]: Abstraction has 5 states and 4 transitions. [2022-11-22 00:10:02,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-22 00:10:02,212 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2022-11-22 00:10:02,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 00:10:02,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:10:02,227 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 00:10:02,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 00:10:02,228 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-22 00:10:02,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:10:02,229 INFO L85 PathProgramCache]: Analyzing trace with hash 2402212, now seen corresponding path program 1 times [2022-11-22 00:10:02,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:10:02,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687675952] [2022-11-22 00:10:02,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:10:02,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:10:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:10:02,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:10:02,368 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:10:02,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687675952] [2022-11-22 00:10:02,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687675952] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:10:02,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:10:02,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:10:02,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760966086] [2022-11-22 00:10:02,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:10:02,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:10:02,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:10:02,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:10:02,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:10:02,372 INFO L87 Difference]: Start difference. First operand 5 states and 4 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2022-11-22 00:10:02,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:10:02,380 INFO L93 Difference]: Finished difference Result 5 states and 4 transitions. [2022-11-22 00:10:02,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:10:02,381 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 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 [2022-11-22 00:10:02,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:10:02,382 INFO L225 Difference]: With dead ends: 5 [2022-11-22 00:10:02,382 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 00:10:02,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:10:02,383 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:10:02,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:10:02,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 00:10:02,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 00:10:02,386 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) [2022-11-22 00:10:02,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 00:10:02,386 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2022-11-22 00:10:02,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:10:02,386 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 00:10:02,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2022-11-22 00:10:02,387 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 00:10:02,387 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 00:10:02,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-22 00:10:02,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-22 00:10:02,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 00:10:02,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 00:10:02,405 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 384) no Hoare annotation was computed. [2022-11-22 00:10:02,406 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 00:10:02,406 INFO L899 garLoopResultBuilder]: For program point L384(line 384) no Hoare annotation was computed. [2022-11-22 00:10:02,406 INFO L899 garLoopResultBuilder]: For program point L384-1(line 384) no Hoare annotation was computed. [2022-11-22 00:10:02,407 INFO L899 garLoopResultBuilder]: For program point L378-1(lines 372 387) no Hoare annotation was computed. [2022-11-22 00:10:02,407 INFO L899 garLoopResultBuilder]: For program point L368-1(lines 368 369) no Hoare annotation was computed. [2022-11-22 00:10:02,408 INFO L895 garLoopResultBuilder]: At program point L368-3(lines 368 369) the Hoare annotation is: (<= |ULTIMATE.start_main_~length2~0#1| 2147483647) [2022-11-22 00:10:02,408 INFO L895 garLoopResultBuilder]: At program point L368-4(lines 368 369) the Hoare annotation is: (<= |ULTIMATE.start_main_~length2~0#1| 2147483647) [2022-11-22 00:10:02,408 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 384) no Hoare annotation was computed. [2022-11-22 00:10:02,408 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 00:10:02,409 INFO L895 garLoopResultBuilder]: At program point L386(lines 372 387) the Hoare annotation is: (<= |ULTIMATE.start_main_~length2~0#1| 2147483647) [2022-11-22 00:10:02,412 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-22 00:10:02,414 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 00:10:02,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:10:02 BoogieIcfgContainer [2022-11-22 00:10:02,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 00:10:02,426 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 00:10:02,426 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 00:10:02,427 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 00:10:02,427 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:10:01" (3/4) ... [2022-11-22 00:10:02,430 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 00:10:02,441 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-22 00:10:02,441 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-22 00:10:02,441 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-22 00:10:02,442 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 00:10:02,477 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9677662b-3a86-4402-ab8a-dffb5ce3a3ac/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 00:10:02,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 00:10:02,478 INFO L158 Benchmark]: Toolchain (without parser) took 1848.78ms. Allocated memory is still 153.1MB. Free memory was 122.5MB in the beginning and 111.3MB in the end (delta: 11.2MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2022-11-22 00:10:02,478 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:10:02,488 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.81ms. Allocated memory is still 153.1MB. Free memory was 122.5MB in the beginning and 105.0MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-22 00:10:02,488 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.68ms. Allocated memory is still 153.1MB. Free memory was 105.0MB in the beginning and 103.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:10:02,489 INFO L158 Benchmark]: Boogie Preprocessor took 24.56ms. Allocated memory is still 153.1MB. Free memory was 103.3MB in the beginning and 101.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:10:02,490 INFO L158 Benchmark]: RCFGBuilder took 366.01ms. Allocated memory is still 153.1MB. Free memory was 101.8MB in the beginning and 89.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 00:10:02,491 INFO L158 Benchmark]: TraceAbstraction took 870.13ms. Allocated memory is still 153.1MB. Free memory was 88.6MB in the beginning and 114.2MB in the end (delta: -25.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:10:02,494 INFO L158 Benchmark]: Witness Printer took 50.69ms. Allocated memory is still 153.1MB. Free memory was 114.2MB in the beginning and 111.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 00:10:02,499 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 490.81ms. Allocated memory is still 153.1MB. Free memory was 122.5MB in the beginning and 105.0MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.68ms. Allocated memory is still 153.1MB. Free memory was 105.0MB in the beginning and 103.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.56ms. Allocated memory is still 153.1MB. Free memory was 103.3MB in the beginning and 101.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 366.01ms. Allocated memory is still 153.1MB. Free memory was 101.8MB in the beginning and 89.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 870.13ms. Allocated memory is still 153.1MB. Free memory was 88.6MB in the beginning and 114.2MB in the end (delta: -25.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 50.69ms. Allocated memory is still 153.1MB. Free memory was 114.2MB in the beginning and 111.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. 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: 384]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 384]: 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, 11 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 5 NumberOfFragments, 9 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 2 specifications checked. All of them hold - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: length2 <= 2147483647 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: length2 <= 2147483647 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: length2 <= 2147483647 RESULT: Ultimate proved your program to be correct! [2022-11-22 00:10:02,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9677662b-3a86-4402-ab8a-dffb5ce3a3ac/bin/utaipan-g80aRyZoba/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