./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/sina5f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9897a0-a64e-4511-a71a-e5b9e05cb8f1/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9897a0-a64e-4511-a71a-e5b9e05cb8f1/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9897a0-a64e-4511-a71a-e5b9e05cb8f1/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9897a0-a64e-4511-a71a-e5b9e05cb8f1/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/sina5f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9897a0-a64e-4511-a71a-e5b9e05cb8f1/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9897a0-a64e-4511-a71a-e5b9e05cb8f1/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b73b0414d99f7fa4a7417f652fd7ea5389e7020bd4f2da0d09463462303a81ea --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 14:00:19,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:00:19,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:00:19,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:00:19,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:00:19,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:00:19,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:00:19,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:00:19,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:00:19,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:00:19,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:00:19,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:00:19,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:00:19,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:00:19,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:00:19,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:00:19,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:00:19,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:00:19,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:00:19,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:00:19,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:00:19,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:00:19,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:00:19,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:00:19,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:00:19,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:00:19,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:00:19,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:00:19,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:00:19,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:00:19,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:00:19,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:00:19,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:00:19,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:00:19,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:00:19,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:00:19,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:00:19,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:00:19,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:00:19,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:00:19,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:00:19,762 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9897a0-a64e-4511-a71a-e5b9e05cb8f1/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 14:00:19,776 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:00:19,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:00:19,776 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:00:19,776 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:00:19,777 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:00:19,777 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:00:19,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:00:19,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:00:19,783 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:00:19,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:00:19,783 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:00:19,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:00:19,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:00:19,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:00:19,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:00:19,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:00:19,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:00:19,785 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:00:19,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:00:19,785 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:00:19,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:00:19,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:00:19,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:00:19,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:00:19,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:00:19,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:00:19,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:00:19,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:00:19,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:00:19,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:00:19,787 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:00:19,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:00:19,788 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:00:19,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:00:19,788 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:00:19,788 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9897a0-a64e-4511-a71a-e5b9e05cb8f1/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9897a0-a64e-4511-a71a-e5b9e05cb8f1/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b73b0414d99f7fa4a7417f652fd7ea5389e7020bd4f2da0d09463462303a81ea [2022-12-13 14:00:19,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:00:19,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:00:19,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:00:19,973 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:00:19,973 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:00:19,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9897a0-a64e-4511-a71a-e5b9e05cb8f1/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/array-fpi/sina5f.c [2022-12-13 14:00:22,494 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:00:22,658 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:00:22,659 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9897a0-a64e-4511-a71a-e5b9e05cb8f1/sv-benchmarks/c/array-fpi/sina5f.c [2022-12-13 14:00:22,663 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9897a0-a64e-4511-a71a-e5b9e05cb8f1/bin/uautomizer-uyxdKDjOR8/data/7d35edea3/94d0348fdf9d43d785b94df1822d6b4b/FLAGfbd9d5974 [2022-12-13 14:00:23,070 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9897a0-a64e-4511-a71a-e5b9e05cb8f1/bin/uautomizer-uyxdKDjOR8/data/7d35edea3/94d0348fdf9d43d785b94df1822d6b4b [2022-12-13 14:00:23,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:00:23,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:00:23,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:00:23,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:00:23,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:00:23,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:00:23" (1/1) ... [2022-12-13 14:00:23,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3346cf60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:00:23, skipping insertion in model container [2022-12-13 14:00:23,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:00:23" (1/1) ... [2022-12-13 14:00:23,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:00:23,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:00:23,224 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9897a0-a64e-4511-a71a-e5b9e05cb8f1/sv-benchmarks/c/array-fpi/sina5f.c[589,602] [2022-12-13 14:00:23,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:00:23,247 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:00:23,256 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9897a0-a64e-4511-a71a-e5b9e05cb8f1/sv-benchmarks/c/array-fpi/sina5f.c[589,602] [2022-12-13 14:00:23,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:00:23,272 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:00:23,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:00:23 WrapperNode [2022-12-13 14:00:23,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:00:23,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:00:23,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:00:23,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:00:23,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:00:23" (1/1) ... [2022-12-13 14:00:23,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:00:23" (1/1) ... [2022-12-13 14:00:23,298 INFO L138 Inliner]: procedures = 17, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2022-12-13 14:00:23,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:00:23,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:00:23,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:00:23,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:00:23,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:00:23" (1/1) ... [2022-12-13 14:00:23,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:00:23" (1/1) ... [2022-12-13 14:00:23,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:00:23" (1/1) ... [2022-12-13 14:00:23,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:00:23" (1/1) ... [2022-12-13 14:00:23,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:00:23" (1/1) ... [2022-12-13 14:00:23,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:00:23" (1/1) ... [2022-12-13 14:00:23,316 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:00:23" (1/1) ... [2022-12-13 14:00:23,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:00:23" (1/1) ... [2022-12-13 14:00:23,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:00:23,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:00:23,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:00:23,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:00:23,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:00:23" (1/1) ... [2022-12-13 14:00:23,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:00:23,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9897a0-a64e-4511-a71a-e5b9e05cb8f1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:00:23,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9897a0-a64e-4511-a71a-e5b9e05cb8f1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:00:23,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9897a0-a64e-4511-a71a-e5b9e05cb8f1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:00:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:00:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:00:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 14:00:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 14:00:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 14:00:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:00:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:00:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 14:00:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 14:00:23,449 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:00:23,451 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:00:23,601 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:00:23,607 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:00:23,607 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-13 14:00:23,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:00:23 BoogieIcfgContainer [2022-12-13 14:00:23,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:00:23,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:00:23,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:00:23,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:00:23,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:00:23" (1/3) ... [2022-12-13 14:00:23,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@484ea456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:00:23, skipping insertion in model container [2022-12-13 14:00:23,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:00:23" (2/3) ... [2022-12-13 14:00:23,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@484ea456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:00:23, skipping insertion in model container [2022-12-13 14:00:23,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:00:23" (3/3) ... [2022-12-13 14:00:23,618 INFO L112 eAbstractionObserver]: Analyzing ICFG sina5f.c [2022-12-13 14:00:23,635 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:00:23,635 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 14:00:23,685 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:00:23,692 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@20a8a3f3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:00:23,692 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 14:00:23,696 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:00:23,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-13 14:00:23,703 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:00:23,704 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:00:23,704 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:00:23,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:00:23,709 INFO L85 PathProgramCache]: Analyzing trace with hash -635308358, now seen corresponding path program 1 times [2022-12-13 14:00:23,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:00:23,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85899394] [2022-12-13 14:00:23,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:00:23,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:00:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:23,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:00:23,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:00:23,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85899394] [2022-12-13 14:00:23,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85899394] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:00:23,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:00:23,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:00:23,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467275813] [2022-12-13 14:00:23,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:00:23,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 14:00:23,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:00:23,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 14:00:23,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 14:00:23,897 INFO L87 Difference]: Start difference. First operand has 30 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 29 states have internal predecessors, (44), 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 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:00:23,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:00:23,910 INFO L93 Difference]: Finished difference Result 56 states and 82 transitions. [2022-12-13 14:00:23,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 14:00:23,912 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2022-12-13 14:00:23,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:00:23,919 INFO L225 Difference]: With dead ends: 56 [2022-12-13 14:00:23,919 INFO L226 Difference]: Without dead ends: 26 [2022-12-13 14:00:23,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 14:00:23,926 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:00:23,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:00:23,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-12-13 14:00:23,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-12-13 14:00:23,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:00:23,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2022-12-13 14:00:23,957 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 18 [2022-12-13 14:00:23,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:00:23,957 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2022-12-13 14:00:23,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:00:23,958 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-12-13 14:00:23,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-13 14:00:23,958 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:00:23,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:00:23,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:00:23,959 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:00:23,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:00:23,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1344199344, now seen corresponding path program 1 times [2022-12-13 14:00:23,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:00:23,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292285698] [2022-12-13 14:00:23,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:00:23,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:00:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:00:24,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:00:24,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:00:24,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292285698] [2022-12-13 14:00:24,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292285698] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:00:24,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:00:24,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:00:24,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148988405] [2022-12-13 14:00:24,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:00:24,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:00:24,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:00:24,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:00:24,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:00:24,129 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:00:24,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:00:24,201 INFO L93 Difference]: Finished difference Result 61 states and 75 transitions. [2022-12-13 14:00:24,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:00:24,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 18 [2022-12-13 14:00:24,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:00:24,203 INFO L225 Difference]: With dead ends: 61 [2022-12-13 14:00:24,203 INFO L226 Difference]: Without dead ends: 42 [2022-12-13 14:00:24,203 INFO L412 NwaCegarLoop]: 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 [2022-12-13 14:00:24,205 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 52 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 14:00:24,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 18 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 14:00:24,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-12-13 14:00:24,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 31. [2022-12-13 14:00:24,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:00:24,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2022-12-13 14:00:24,213 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 18 [2022-12-13 14:00:24,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:00:24,213 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2022-12-13 14:00:24,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:00:24,214 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2022-12-13 14:00:24,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-13 14:00:24,214 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:00:24,214 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:00:24,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 14:00:24,215 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:00:24,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:00:24,216 INFO L85 PathProgramCache]: Analyzing trace with hash -933126362, now seen corresponding path program 1 times [2022-12-13 14:00:24,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:00:24,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378973998] [2022-12-13 14:00:24,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:00:24,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:00:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:00:24,274 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:00:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:00:24,316 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:00:24,316 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 14:00:24,317 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 14:00:24,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 14:00:24,321 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 14:00:24,324 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:00:24,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:00:24 BoogieIcfgContainer [2022-12-13 14:00:24,346 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:00:24,347 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:00:24,347 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:00:24,347 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:00:24,347 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:00:23" (3/4) ... [2022-12-13 14:00:24,349 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 14:00:24,380 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d9897a0-a64e-4511-a71a-e5b9e05cb8f1/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 14:00:24,380 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:00:24,380 INFO L158 Benchmark]: Toolchain (without parser) took 1307.20ms. Allocated memory was 121.6MB in the beginning and 178.3MB in the end (delta: 56.6MB). Free memory was 87.5MB in the beginning and 111.3MB in the end (delta: -23.8MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2022-12-13 14:00:24,381 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 121.6MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:00:24,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.36ms. Allocated memory is still 121.6MB. Free memory was 87.5MB in the beginning and 76.7MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 14:00:24,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.73ms. Allocated memory is still 121.6MB. Free memory was 76.7MB in the beginning and 74.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:00:24,382 INFO L158 Benchmark]: Boogie Preprocessor took 22.09ms. Allocated memory is still 121.6MB. Free memory was 74.9MB in the beginning and 73.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:00:24,382 INFO L158 Benchmark]: RCFGBuilder took 288.22ms. Allocated memory is still 121.6MB. Free memory was 73.3MB in the beginning and 60.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 14:00:24,382 INFO L158 Benchmark]: TraceAbstraction took 734.06ms. Allocated memory was 121.6MB in the beginning and 178.3MB in the end (delta: 56.6MB). Free memory was 60.0MB in the beginning and 114.7MB in the end (delta: -54.6MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2022-12-13 14:00:24,382 INFO L158 Benchmark]: Witness Printer took 33.38ms. Allocated memory is still 178.3MB. Free memory was 114.7MB in the beginning and 111.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 14:00:24,384 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 121.6MB. Free memory is still 91.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.36ms. Allocated memory is still 121.6MB. Free memory was 87.5MB in the beginning and 76.7MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.73ms. Allocated memory is still 121.6MB. Free memory was 76.7MB in the beginning and 74.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.09ms. Allocated memory is still 121.6MB. Free memory was 74.9MB in the beginning and 73.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 288.22ms. Allocated memory is still 121.6MB. Free memory was 73.3MB in the beginning and 60.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 734.06ms. Allocated memory was 121.6MB in the beginning and 178.3MB in the end (delta: 56.6MB). Free memory was 60.0MB in the beginning and 114.7MB in the end (delta: -54.6MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Witness Printer took 33.38ms. Allocated memory is still 178.3MB. Free memory was 114.7MB in the beginning and 111.3MB in the end (delta: 3.3MB). 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 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, N=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] long long *a = malloc(sizeof(long long)*N); [L30] long long *b = malloc(sizeof(long long)*N); [L32] sum[0] = 0 [L33] i=0 VAL [a={-1:0}, b={4:0}, i=0, N=1, sum={6:0}] [L33] COND TRUE i