./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/res1f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529a9ef1-08d6-485b-948d-bf518916d911/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529a9ef1-08d6-485b-948d-bf518916d911/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529a9ef1-08d6-485b-948d-bf518916d911/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529a9ef1-08d6-485b-948d-bf518916d911/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/res1f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529a9ef1-08d6-485b-948d-bf518916d911/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529a9ef1-08d6-485b-948d-bf518916d911/bin/utaipan-SDwSMHVbGG --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 005c3063cbff7bf2cfa5e3917587bb3bc67d690255843cf3936ae565f460b1c1 ............................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 06:00:51,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 06:00:51,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 06:00:51,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 06:00:51,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 06:00:51,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 06:00:51,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 06:00:51,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 06:00:51,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 06:00:51,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 06:00:51,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 06:00:51,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 06:00:51,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 06:00:51,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 06:00:51,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 06:00:51,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 06:00:51,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 06:00:51,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 06:00:51,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 06:00:51,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 06:00:51,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 06:00:51,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 06:00:51,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 06:00:51,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 06:00:51,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 06:00:51,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 06:00:51,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 06:00:51,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 06:00:51,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 06:00:51,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 06:00:51,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 06:00:51,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 06:00:51,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 06:00:51,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 06:00:51,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 06:00:51,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 06:00:51,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 06:00:51,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 06:00:51,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 06:00:51,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 06:00:51,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 06:00:51,831 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529a9ef1-08d6-485b-948d-bf518916d911/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 06:00:51,861 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 06:00:51,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 06:00:51,862 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 06:00:51,862 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 06:00:51,862 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 06:00:51,863 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 06:00:51,863 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 06:00:51,863 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 06:00:51,863 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 06:00:51,864 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 06:00:51,864 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 06:00:51,864 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 06:00:51,864 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 06:00:51,865 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 06:00:51,865 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 06:00:51,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 06:00:51,866 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 06:00:51,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 06:00:51,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 06:00:51,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 06:00:51,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 06:00:51,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 06:00:51,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 06:00:51,868 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 06:00:51,868 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 06:00:51,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 06:00:51,868 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 06:00:51,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 06:00:51,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 06:00:51,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 06:00:51,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 06:00:51,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 06:00:51,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 06:00:51,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 06:00:51,870 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 06:00:51,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 06:00:51,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 06:00:51,871 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 06:00:51,871 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 06:00:51,871 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_529a9ef1-08d6-485b-948d-bf518916d911/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529a9ef1-08d6-485b-948d-bf518916d911/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 005c3063cbff7bf2cfa5e3917587bb3bc67d690255843cf3936ae565f460b1c1 [2021-10-29 06:00:52,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 06:00:52,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 06:00:52,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 06:00:52,206 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 06:00:52,208 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 06:00:52,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529a9ef1-08d6-485b-948d-bf518916d911/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/array-fpi/res1f.c [2021-10-29 06:00:52,288 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529a9ef1-08d6-485b-948d-bf518916d911/bin/utaipan-SDwSMHVbGG/data/4bf2e4d27/cb56fc70332c4909bc96d428f826826b/FLAG3ab81d60e [2021-10-29 06:00:52,889 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 06:00:52,890 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529a9ef1-08d6-485b-948d-bf518916d911/sv-benchmarks/c/array-fpi/res1f.c [2021-10-29 06:00:52,904 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529a9ef1-08d6-485b-948d-bf518916d911/bin/utaipan-SDwSMHVbGG/data/4bf2e4d27/cb56fc70332c4909bc96d428f826826b/FLAG3ab81d60e [2021-10-29 06:00:53,249 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529a9ef1-08d6-485b-948d-bf518916d911/bin/utaipan-SDwSMHVbGG/data/4bf2e4d27/cb56fc70332c4909bc96d428f826826b [2021-10-29 06:00:53,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 06:00:53,254 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 06:00:53,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 06:00:53,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 06:00:53,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 06:00:53,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:00:53" (1/1) ... [2021-10-29 06:00:53,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@262f143b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:53, skipping insertion in model container [2021-10-29 06:00:53,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:00:53" (1/1) ... [2021-10-29 06:00:53,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 06:00:53,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 06:00:53,514 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529a9ef1-08d6-485b-948d-bf518916d911/sv-benchmarks/c/array-fpi/res1f.c[588,601] [2021-10-29 06:00:53,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 06:00:53,543 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 06:00:53,557 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529a9ef1-08d6-485b-948d-bf518916d911/sv-benchmarks/c/array-fpi/res1f.c[588,601] [2021-10-29 06:00:53,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 06:00:53,584 INFO L208 MainTranslator]: Completed translation [2021-10-29 06:00:53,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:53 WrapperNode [2021-10-29 06:00:53,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 06:00:53,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 06:00:53,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 06:00:53,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 06:00:53,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:53" (1/1) ... [2021-10-29 06:00:53,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:53" (1/1) ... [2021-10-29 06:00:53,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 06:00:53,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 06:00:53,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 06:00:53,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 06:00:53,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:53" (1/1) ... [2021-10-29 06:00:53,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:53" (1/1) ... [2021-10-29 06:00:53,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:53" (1/1) ... [2021-10-29 06:00:53,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:53" (1/1) ... [2021-10-29 06:00:53,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:53" (1/1) ... [2021-10-29 06:00:53,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:53" (1/1) ... [2021-10-29 06:00:53,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:53" (1/1) ... [2021-10-29 06:00:53,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 06:00:53,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 06:00:53,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 06:00:53,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 06:00:53,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:53" (1/1) ... [2021-10-29 06:00:53,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 06:00:53,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529a9ef1-08d6-485b-948d-bf518916d911/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 06:00:53,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529a9ef1-08d6-485b-948d-bf518916d911/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 06:00:53,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529a9ef1-08d6-485b-948d-bf518916d911/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 06:00:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 06:00:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 06:00:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 06:00:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 06:00:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 06:00:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 06:00:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 06:00:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 06:00:54,355 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 06:00:54,355 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-29 06:00:54,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:00:54 BoogieIcfgContainer [2021-10-29 06:00:54,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 06:00:54,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 06:00:54,361 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 06:00:54,378 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 06:00:54,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:00:53" (1/3) ... [2021-10-29 06:00:54,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f3522c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:00:54, skipping insertion in model container [2021-10-29 06:00:54,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:00:53" (2/3) ... [2021-10-29 06:00:54,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f3522c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:00:54, skipping insertion in model container [2021-10-29 06:00:54,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:00:54" (3/3) ... [2021-10-29 06:00:54,386 INFO L111 eAbstractionObserver]: Analyzing ICFG res1f.c [2021-10-29 06:00:54,395 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 06:00:54,395 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 06:00:54,448 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 06:00:54,457 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 06:00:54,457 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-29 06:00:54,474 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:00:54,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 06:00:54,481 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:00:54,482 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:00:54,482 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:00:54,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:00:54,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1860276480, now seen corresponding path program 1 times [2021-10-29 06:00:54,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 06:00:54,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157968960] [2021-10-29 06:00:54,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:00:54,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 06:00:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:00:54,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:00:54,759 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 06:00:54,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157968960] [2021-10-29 06:00:54,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157968960] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 06:00:54,761 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:00:54,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 06:00:54,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448039748] [2021-10-29 06:00:54,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 06:00:54,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 06:00:54,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 06:00:54,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 06:00:54,788 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-10-29 06:00:54,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:00:54,832 INFO L93 Difference]: Finished difference Result 22 states and 31 transitions. [2021-10-29 06:00:54,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 06:00:54,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2021-10-29 06:00:54,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:00:54,843 INFO L225 Difference]: With dead ends: 22 [2021-10-29 06:00:54,844 INFO L226 Difference]: Without dead ends: 10 [2021-10-29 06:00:54,847 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 06:00:54,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-10-29 06:00:54,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-10-29 06:00:54,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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) [2021-10-29 06:00:54,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2021-10-29 06:00:54,892 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 13 transitions. Word has length 8 [2021-10-29 06:00:54,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:00:54,893 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-10-29 06:00:54,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-10-29 06:00:54,893 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-10-29 06:00:54,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 06:00:54,894 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:00:54,894 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:00:54,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 06:00:54,895 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:00:54,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:00:54,896 INFO L85 PathProgramCache]: Analyzing trace with hash 509978442, now seen corresponding path program 1 times [2021-10-29 06:00:54,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 06:00:54,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907469478] [2021-10-29 06:00:54,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:00:54,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 06:00:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:00:54,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 06:00:54,981 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 06:00:54,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907469478] [2021-10-29 06:00:54,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907469478] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 06:00:54,982 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:00:54,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-29 06:00:54,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160845067] [2021-10-29 06:00:54,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 06:00:54,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 06:00:54,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 06:00:54,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 06:00:54,986 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-29 06:00:55,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:00:55,043 INFO L93 Difference]: Finished difference Result 18 states and 25 transitions. [2021-10-29 06:00:55,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 06:00:55,044 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2021-10-29 06:00:55,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:00:55,045 INFO L225 Difference]: With dead ends: 18 [2021-10-29 06:00:55,045 INFO L226 Difference]: Without dead ends: 13 [2021-10-29 06:00:55,046 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 06:00:55,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-10-29 06:00:55,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-10-29 06:00:55,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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) [2021-10-29 06:00:55,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2021-10-29 06:00:55,051 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 9 [2021-10-29 06:00:55,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:00:55,051 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-10-29 06:00:55,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-10-29 06:00:55,052 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-10-29 06:00:55,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 06:00:55,052 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:00:55,053 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 06:00:55,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-29 06:00:55,053 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 06:00:55,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:00:55,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1718165419, now seen corresponding path program 1 times [2021-10-29 06:00:55,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 06:00:55,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528124225] [2021-10-29 06:00:55,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:00:55,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 06:00:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 06:00:55,191 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 06:00:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 06:00:55,281 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-29 06:00:55,281 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 06:00:55,283 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 06:00:55,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-29 06:00:55,289 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-10-29 06:00:55,293 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 06:00:55,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:00:55 BoogieIcfgContainer [2021-10-29 06:00:55,331 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 06:00:55,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 06:00:55,332 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 06:00:55,332 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 06:00:55,333 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:00:54" (3/4) ... [2021-10-29 06:00:55,335 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 06:00:55,403 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529a9ef1-08d6-485b-948d-bf518916d911/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 06:00:55,404 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 06:00:55,406 INFO L168 Benchmark]: Toolchain (without parser) took 2150.88 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 69.2 MB in the beginning and 84.0 MB in the end (delta: -14.8 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2021-10-29 06:00:55,407 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 96.5 MB. Free memory was 54.1 MB in the beginning and 54.0 MB in the end (delta: 126.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 06:00:55,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.64 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 69.0 MB in the beginning and 101.9 MB in the end (delta: -32.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 06:00:55,409 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.96 ms. Allocated memory is still 127.9 MB. Free memory was 101.9 MB in the beginning and 100.3 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 06:00:55,409 INFO L168 Benchmark]: Boogie Preprocessor took 50.30 ms. Allocated memory is still 127.9 MB. Free memory was 100.3 MB in the beginning and 99.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 06:00:55,410 INFO L168 Benchmark]: RCFGBuilder took 649.41 ms. Allocated memory is still 127.9 MB. Free memory was 99.0 MB in the beginning and 84.1 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 06:00:55,411 INFO L168 Benchmark]: TraceAbstraction took 969.79 ms. Allocated memory is still 127.9 MB. Free memory was 83.6 MB in the beginning and 86.6 MB in the end (delta: -3.0 MB). Peak memory consumption was 561.1 kB. Max. memory is 16.1 GB. [2021-10-29 06:00:55,412 INFO L168 Benchmark]: Witness Printer took 72.05 ms. Allocated memory is still 127.9 MB. Free memory was 86.6 MB in the beginning and 84.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 06:00:55,431 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 96.5 MB. Free memory was 54.1 MB in the beginning and 54.0 MB in the end (delta: 126.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 313.64 ms. Allocated memory was 96.5 MB in the beginning and 127.9 MB in the end (delta: 31.5 MB). Free memory was 69.0 MB in the beginning and 101.9 MB in the end (delta: -32.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.96 ms. Allocated memory is still 127.9 MB. Free memory was 101.9 MB in the beginning and 100.3 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.30 ms. Allocated memory is still 127.9 MB. Free memory was 100.3 MB in the beginning and 99.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 649.41 ms. Allocated memory is still 127.9 MB. Free memory was 99.0 MB in the beginning and 84.1 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 969.79 ms. Allocated memory is still 127.9 MB. Free memory was 83.6 MB in the beginning and 86.6 MB in the end (delta: -3.0 MB). Peak memory consumption was 561.1 kB. Max. memory is 16.1 GB. * Witness Printer took 72.05 ms. Allocated memory is still 127.9 MB. Free memory was 86.6 MB in the beginning and 84.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L13] COND FALSE !(!cond) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L30] int *b = malloc(sizeof(int)*N); [L32] sum[0] = 1 [L33] i=0 VAL [N=1] [L33] COND TRUE i