./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/indp2f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52d6cc4-fd50-4dcf-b497-cd6b25188368/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52d6cc4-fd50-4dcf-b497-cd6b25188368/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52d6cc4-fd50-4dcf-b497-cd6b25188368/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52d6cc4-fd50-4dcf-b497-cd6b25188368/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/indp2f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52d6cc4-fd50-4dcf-b497-cd6b25188368/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52d6cc4-fd50-4dcf-b497-cd6b25188368/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --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 bd03f99fe6e3c31eb6c62348fdf004884fa2edfb8b8dad39def6bba1704cfbd6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:13:18,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:13:18,864 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52d6cc4-fd50-4dcf-b497-cd6b25188368/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 15:13:18,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:13:18,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:13:18,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:13:18,897 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:13:18,897 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:13:18,897 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:13:18,898 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:13:18,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:13:18,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:13:18,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:13:18,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:13:18,899 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:13:18,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:13:18,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:13:18,899 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:13:18,900 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:13:18,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:13:18,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:13:18,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:13:18,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:13:18,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:13:18,900 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:13:18,901 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:13:18,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:13:18,901 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:13:18,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:13:18,901 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:13:18,901 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:13:18,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:13:18,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:13:18,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:13:18,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:13:18,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:13:18,902 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:13:18,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:13:18,903 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:13:18,903 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:13:18,903 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:13:18,903 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:13:18,903 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a52d6cc4-fd50-4dcf-b497-cd6b25188368/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> bd03f99fe6e3c31eb6c62348fdf004884fa2edfb8b8dad39def6bba1704cfbd6 [2024-11-13 15:13:19,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:13:19,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:13:19,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:13:19,247 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:13:19,247 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:13:19,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52d6cc4-fd50-4dcf-b497-cd6b25188368/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/array-fpi/indp2f.c Unable to find full path for "g++" [2024-11-13 15:13:21,204 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:13:21,485 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:13:21,486 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52d6cc4-fd50-4dcf-b497-cd6b25188368/sv-benchmarks/c/array-fpi/indp2f.c [2024-11-13 15:13:21,500 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52d6cc4-fd50-4dcf-b497-cd6b25188368/bin/uautomizer-verify-qhAvR1uOyd/data/872817d93/9a819cb6a39b4e0887097bbc210a6d38/FLAG6f33d3c09 [2024-11-13 15:13:21,518 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52d6cc4-fd50-4dcf-b497-cd6b25188368/bin/uautomizer-verify-qhAvR1uOyd/data/872817d93/9a819cb6a39b4e0887097bbc210a6d38 [2024-11-13 15:13:21,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:13:21,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:13:21,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:13:21,524 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:13:21,530 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:13:21,531 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:13:21" (1/1) ... [2024-11-13 15:13:21,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@436c24da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:13:21, skipping insertion in model container [2024-11-13 15:13:21,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:13:21" (1/1) ... [2024-11-13 15:13:21,550 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:13:21,756 WARN L250 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_a52d6cc4-fd50-4dcf-b497-cd6b25188368/sv-benchmarks/c/array-fpi/indp2f.c[589,602] [2024-11-13 15:13:21,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:13:21,799 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:13:21,812 WARN L250 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_a52d6cc4-fd50-4dcf-b497-cd6b25188368/sv-benchmarks/c/array-fpi/indp2f.c[589,602] [2024-11-13 15:13:21,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:13:21,846 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:13:21,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:13:21 WrapperNode [2024-11-13 15:13:21,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:13:21,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:13:21,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:13:21,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:13:21,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:13:21" (1/1) ... [2024-11-13 15:13:21,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:13:21" (1/1) ... [2024-11-13 15:13:21,898 INFO L138 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-11-13 15:13:21,899 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:13:21,899 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:13:21,900 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:13:21,900 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:13:21,912 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:13:21" (1/1) ... [2024-11-13 15:13:21,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:13:21" (1/1) ... [2024-11-13 15:13:21,919 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:13:21" (1/1) ... [2024-11-13 15:13:21,948 INFO L175 MemorySlicer]: Split 8 memory accesses to 2 slices as follows [2, 6]. 75 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 3 writes are split as follows [0, 3]. [2024-11-13 15:13:21,952 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:13:21" (1/1) ... [2024-11-13 15:13:21,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:13:21" (1/1) ... [2024-11-13 15:13:21,963 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:13:21" (1/1) ... [2024-11-13 15:13:21,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:13:21" (1/1) ... [2024-11-13 15:13:21,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:13:21" (1/1) ... [2024-11-13 15:13:21,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:13:21" (1/1) ... [2024-11-13 15:13:21,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:13:21,982 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:13:21,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:13:21,982 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:13:21,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:13:21" (1/1) ... [2024-11-13 15:13:21,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:13:22,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52d6cc4-fd50-4dcf-b497-cd6b25188368/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:13:22,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52d6cc4-fd50-4dcf-b497-cd6b25188368/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:13:22,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52d6cc4-fd50-4dcf-b497-cd6b25188368/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:13:22,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:13:22,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:13:22,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 15:13:22,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 15:13:22,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 15:13:22,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 15:13:22,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:13:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:13:22,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 15:13:22,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 15:13:22,157 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:13:22,158 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:13:22,376 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 15:13:22,377 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:13:22,389 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:13:22,389 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 15:13:22,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:13:22 BoogieIcfgContainer [2024-11-13 15:13:22,390 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:13:22,393 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:13:22,393 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:13:22,399 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:13:22,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:13:21" (1/3) ... [2024-11-13 15:13:22,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87b9df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:13:22, skipping insertion in model container [2024-11-13 15:13:22,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:13:21" (2/3) ... [2024-11-13 15:13:22,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87b9df7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:13:22, skipping insertion in model container [2024-11-13 15:13:22,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:13:22" (3/3) ... [2024-11-13 15:13:22,403 INFO L112 eAbstractionObserver]: Analyzing ICFG indp2f.c [2024-11-13 15:13:22,423 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:13:22,427 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG indp2f.c that has 1 procedures, 20 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-13 15:13:22,516 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:13:22,531 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@1044089a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:13:22,532 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:13:22,536 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 19 states have internal predecessors, (30), 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) [2024-11-13 15:13:22,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 15:13:22,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:13:22,544 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:13:22,545 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:13:22,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:13:22,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1673333082, now seen corresponding path program 1 times [2024-11-13 15:13:22,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:13:22,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202388546] [2024-11-13 15:13:22,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:13:22,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:13:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:13:22,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:13:22,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:13:22,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202388546] [2024-11-13 15:13:22,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202388546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:13:22,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:13:22,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:13:22,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567911447] [2024-11-13 15:13:22,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:13:22,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:13:22,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:13:22,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:13:22,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:13:22,768 INFO L87 Difference]: Start difference. First operand has 20 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 19 states have internal predecessors, (30), 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 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:13:22,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:13:22,789 INFO L93 Difference]: Finished difference Result 36 states and 54 transitions. [2024-11-13 15:13:22,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:13:22,792 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-13 15:13:22,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:13:22,802 INFO L225 Difference]: With dead ends: 36 [2024-11-13 15:13:22,803 INFO L226 Difference]: Without dead ends: 16 [2024-11-13 15:13:22,807 INFO L431 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 [2024-11-13 15:13:22,817 INFO L432 NwaCegarLoop]: 24 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, 24 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 [2024-11-13 15:13:22,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:13:22,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-13 15:13:22,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-13 15:13:22,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:13:22,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2024-11-13 15:13:22,862 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 14 [2024-11-13 15:13:22,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:13:22,864 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-11-13 15:13:22,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:13:22,865 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-13 15:13:22,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 15:13:22,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:13:22,867 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:13:22,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:13:22,868 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:13:22,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:13:22,869 INFO L85 PathProgramCache]: Analyzing trace with hash -975962588, now seen corresponding path program 1 times [2024-11-13 15:13:22,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:13:22,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348851221] [2024-11-13 15:13:22,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:13:22,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:13:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:13:23,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:13:23,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:13:23,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348851221] [2024-11-13 15:13:23,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348851221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:13:23,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:13:23,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:13:23,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152965318] [2024-11-13 15:13:23,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:13:23,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:13:23,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:13:23,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:13:23,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:13:23,071 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:13:23,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:13:23,163 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2024-11-13 15:13:23,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:13:23,164 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-13 15:13:23,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:13:23,165 INFO L225 Difference]: With dead ends: 34 [2024-11-13 15:13:23,166 INFO L226 Difference]: Without dead ends: 24 [2024-11-13 15:13:23,167 INFO L431 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 [2024-11-13 15:13:23,169 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 26 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:13:23,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 14 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:13:23,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-13 15:13:23,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 19. [2024-11-13 15:13:23,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 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) [2024-11-13 15:13:23,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2024-11-13 15:13:23,180 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 14 [2024-11-13 15:13:23,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:13:23,180 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2024-11-13 15:13:23,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:13:23,180 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-13 15:13:23,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 15:13:23,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:13:23,181 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:13:23,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:13:23,182 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:13:23,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:13:23,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1857505574, now seen corresponding path program 1 times [2024-11-13 15:13:23,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:13:23,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203431683] [2024-11-13 15:13:23,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:13:23,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:13:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:13:23,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [99761658] [2024-11-13 15:13:23,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:13:23,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:13:23,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52d6cc4-fd50-4dcf-b497-cd6b25188368/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:13:23,287 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52d6cc4-fd50-4dcf-b497-cd6b25188368/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:13:23,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52d6cc4-fd50-4dcf-b497-cd6b25188368/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:13:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:13:23,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:13:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:13:23,418 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:13:23,418 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:13:23,419 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 15:13:23,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52d6cc4-fd50-4dcf-b497-cd6b25188368/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-13 15:13:23,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52d6cc4-fd50-4dcf-b497-cd6b25188368/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:13:23,624 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 15:13:23,646 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:13:23,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:13:23 BoogieIcfgContainer [2024-11-13 15:13:23,650 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:13:23,652 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:13:23,652 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:13:23,653 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:13:23,654 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:13:22" (3/4) ... [2024-11-13 15:13:23,655 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 15:13:23,693 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52d6cc4-fd50-4dcf-b497-cd6b25188368/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:13:23,694 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:13:23,695 INFO L158 Benchmark]: Toolchain (without parser) took 2172.40ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 53.2MB in the end (delta: 64.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 15:13:23,695 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:13:23,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.09ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 105.6MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:13:23,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.02ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:13:23,696 INFO L158 Benchmark]: Boogie Preprocessor took 81.57ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 103.0MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:13:23,697 INFO L158 Benchmark]: RCFGBuilder took 408.04ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 91.8MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:13:23,697 INFO L158 Benchmark]: TraceAbstraction took 1257.49ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 55.3MB in the end (delta: 36.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 15:13:23,697 INFO L158 Benchmark]: Witness Printer took 41.60ms. Allocated memory is still 142.6MB. Free memory was 55.1MB in the beginning and 53.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:13:23,699 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.09ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 105.6MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.02ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 81.57ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 103.0MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 408.04ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 91.8MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1257.49ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 55.3MB in the end (delta: 36.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 41.60ms. Allocated memory is still 142.6MB. Free memory was 55.1MB in the beginning and 53.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. 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 [N=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long *a = malloc(sizeof(long long)*N); [L30] i=0 VAL [N=1, a={-1:0}, i=0] [L30] COND TRUE i