./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ifeqn1f.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_eaebd9a6-f767-4fd5-baff-0554254a6be1/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaebd9a6-f767-4fd5-baff-0554254a6be1/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_eaebd9a6-f767-4fd5-baff-0554254a6be1/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaebd9a6-f767-4fd5-baff-0554254a6be1/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/ifeqn1f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaebd9a6-f767-4fd5-baff-0554254a6be1/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_eaebd9a6-f767-4fd5-baff-0554254a6be1/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 55ee4b95b80c9eebb60e8b0eba56566adf80c74f9addd2fea6f7bbea2c0e0a47 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:33:39,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:33:39,230 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaebd9a6-f767-4fd5-baff-0554254a6be1/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:33:39,240 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:33:39,240 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:33:39,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:33:39,282 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:33:39,282 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:33:39,283 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:33:39,283 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:33:39,283 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:33:39,283 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:33:39,283 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:33:39,285 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:33:39,286 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:33:39,286 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:33:39,286 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:33:39,286 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:33:39,287 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:33:39,287 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:33:39,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:33:39,287 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:33:39,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:33:39,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:33:39,287 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:33:39,288 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:33:39,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:33:39,288 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:33:39,288 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:33:39,289 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:33:39,289 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:33:39,289 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:33:39,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:33:39,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:33:39,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:33:39,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:33:39,290 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:33:39,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:33:39,291 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:33:39,291 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:33:39,291 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:33:39,291 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:33:39,291 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_eaebd9a6-f767-4fd5-baff-0554254a6be1/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 -> 55ee4b95b80c9eebb60e8b0eba56566adf80c74f9addd2fea6f7bbea2c0e0a47 [2024-11-13 14:33:39,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:33:39,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:33:39,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:33:39,697 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:33:39,698 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:33:39,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaebd9a6-f767-4fd5-baff-0554254a6be1/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/array-fpi/ifeqn1f.c Unable to find full path for "g++" [2024-11-13 14:33:41,878 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:33:42,166 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:33:42,168 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaebd9a6-f767-4fd5-baff-0554254a6be1/sv-benchmarks/c/array-fpi/ifeqn1f.c [2024-11-13 14:33:42,180 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaebd9a6-f767-4fd5-baff-0554254a6be1/bin/uautomizer-verify-qhAvR1uOyd/data/67fa01c48/dc1ea9b0cb0640e7b97ae990108f7149/FLAG6aaa4531e [2024-11-13 14:33:42,205 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaebd9a6-f767-4fd5-baff-0554254a6be1/bin/uautomizer-verify-qhAvR1uOyd/data/67fa01c48/dc1ea9b0cb0640e7b97ae990108f7149 [2024-11-13 14:33:42,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:33:42,210 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:33:42,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:33:42,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:33:42,219 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:33:42,220 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:33:42" (1/1) ... [2024-11-13 14:33:42,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c635912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:42, skipping insertion in model container [2024-11-13 14:33:42,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:33:42" (1/1) ... [2024-11-13 14:33:42,241 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:33:42,447 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_eaebd9a6-f767-4fd5-baff-0554254a6be1/sv-benchmarks/c/array-fpi/ifeqn1f.c[590,603] [2024-11-13 14:33:42,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:33:42,496 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:33:42,510 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_eaebd9a6-f767-4fd5-baff-0554254a6be1/sv-benchmarks/c/array-fpi/ifeqn1f.c[590,603] [2024-11-13 14:33:42,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:33:42,542 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:33:42,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:42 WrapperNode [2024-11-13 14:33:42,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:33:42,546 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:33:42,547 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:33:42,547 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:33:42,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:42" (1/1) ... [2024-11-13 14:33:42,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:42" (1/1) ... [2024-11-13 14:33:42,586 INFO L138 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-11-13 14:33:42,587 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:33:42,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:33:42,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:33:42,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:33:42,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:42" (1/1) ... [2024-11-13 14:33:42,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:42" (1/1) ... [2024-11-13 14:33:42,598 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:42" (1/1) ... [2024-11-13 14:33:42,613 INFO L175 MemorySlicer]: Split 10 memory accesses to 3 slices as follows [2, 4, 4]. 40 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 4 writes are split as follows [0, 2, 2]. [2024-11-13 14:33:42,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:42" (1/1) ... [2024-11-13 14:33:42,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:42" (1/1) ... [2024-11-13 14:33:42,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:42" (1/1) ... [2024-11-13 14:33:42,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:42" (1/1) ... [2024-11-13 14:33:42,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:42" (1/1) ... [2024-11-13 14:33:42,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:42" (1/1) ... [2024-11-13 14:33:42,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:33:42,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:33:42,629 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:33:42,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:33:42,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:42" (1/1) ... [2024-11-13 14:33:42,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:33:42,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaebd9a6-f767-4fd5-baff-0554254a6be1/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:33:42,670 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaebd9a6-f767-4fd5-baff-0554254a6be1/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:33:42,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaebd9a6-f767-4fd5-baff-0554254a6be1/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:33:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:33:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:33:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 14:33:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 14:33:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 14:33:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 14:33:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 14:33:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 14:33:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:33:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:33:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 14:33:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 14:33:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 14:33:42,829 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:33:42,831 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:33:43,023 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-13 14:33:43,023 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:33:43,034 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:33:43,034 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 14:33:43,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:33:43 BoogieIcfgContainer [2024-11-13 14:33:43,035 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:33:43,039 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:33:43,039 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:33:43,044 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:33:43,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:33:42" (1/3) ... [2024-11-13 14:33:43,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ecbc1c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:33:43, skipping insertion in model container [2024-11-13 14:33:43,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:33:42" (2/3) ... [2024-11-13 14:33:43,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ecbc1c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:33:43, skipping insertion in model container [2024-11-13 14:33:43,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:33:43" (3/3) ... [2024-11-13 14:33:43,048 INFO L112 eAbstractionObserver]: Analyzing ICFG ifeqn1f.c [2024-11-13 14:33:43,067 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:33:43,069 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG ifeqn1f.c that has 1 procedures, 22 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-13 14:33:43,142 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:33:43,162 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;@7cc1f1c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:33:43,162 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:33:43,169 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 20 states have (on average 1.6) internal successors, (32), 21 states have internal predecessors, (32), 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 14:33:43,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 14:33:43,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:43,177 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:33:43,178 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:33:43,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:43,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1670316217, now seen corresponding path program 1 times [2024-11-13 14:33:43,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:43,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767350385] [2024-11-13 14:33:43,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:43,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:43,420 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 14:33:43,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:43,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767350385] [2024-11-13 14:33:43,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767350385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:43,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:43,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:33:43,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204339578] [2024-11-13 14:33:43,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:43,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:33:43,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:43,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:33:43,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:33:43,464 INFO L87 Difference]: Start difference. First operand has 22 states, 20 states have (on average 1.6) internal successors, (32), 21 states have internal predecessors, (32), 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 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 14:33:43,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:43,481 INFO L93 Difference]: Finished difference Result 40 states and 58 transitions. [2024-11-13 14:33:43,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:33:43,485 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12 [2024-11-13 14:33:43,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:43,495 INFO L225 Difference]: With dead ends: 40 [2024-11-13 14:33:43,495 INFO L226 Difference]: Without dead ends: 18 [2024-11-13 14:33:43,499 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 14:33:43,505 INFO L432 NwaCegarLoop]: 27 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, 27 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 14:33:43,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:33:43,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-13 14:33:43,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-13 14:33:43,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 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 14:33:43,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2024-11-13 14:33:43,545 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 12 [2024-11-13 14:33:43,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:43,545 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2024-11-13 14:33:43,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 14:33:43,545 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-13 14:33:43,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 14:33:43,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:43,546 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:33:43,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:33:43,550 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:33:43,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:43,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1000416578, now seen corresponding path program 1 times [2024-11-13 14:33:43,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:43,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085419479] [2024-11-13 14:33:43,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:43,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:33:43,791 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 14:33:43,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:33:43,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085419479] [2024-11-13 14:33:43,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085419479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:33:43,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:33:43,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:33:43,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893491707] [2024-11-13 14:33:43,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:33:43,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:33:43,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:33:43,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:33:43,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:33:43,798 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 14:33:43,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:33:43,928 INFO L93 Difference]: Finished difference Result 42 states and 54 transitions. [2024-11-13 14:33:43,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:33:43,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2024-11-13 14:33:43,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:33:43,931 INFO L225 Difference]: With dead ends: 42 [2024-11-13 14:33:43,931 INFO L226 Difference]: Without dead ends: 29 [2024-11-13 14:33:43,933 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 14:33:43,934 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 24 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:33:43,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 15 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:33:43,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-13 14:33:43,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 22. [2024-11-13 14:33:43,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 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 14:33:43,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2024-11-13 14:33:43,946 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 12 [2024-11-13 14:33:43,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:33:43,947 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2024-11-13 14:33:43,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 14:33:43,947 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2024-11-13 14:33:43,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 14:33:43,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:33:43,952 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:33:43,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:33:43,952 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:33:43,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:33:43,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1992201947, now seen corresponding path program 1 times [2024-11-13 14:33:43,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:33:43,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140577125] [2024-11-13 14:33:43,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:43,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:33:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:33:44,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1522806614] [2024-11-13 14:33:44,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:33:44,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:33:44,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaebd9a6-f767-4fd5-baff-0554254a6be1/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:33:44,061 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaebd9a6-f767-4fd5-baff-0554254a6be1/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:33:44,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaebd9a6-f767-4fd5-baff-0554254a6be1/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:33:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:33:44,183 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:33:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:33:44,238 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:33:44,238 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:33:44,239 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 14:33:44,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaebd9a6-f767-4fd5-baff-0554254a6be1/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:33:44,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaebd9a6-f767-4fd5-baff-0554254a6be1/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:33:44,445 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 14:33:44,471 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:33:44,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:33:44 BoogieIcfgContainer [2024-11-13 14:33:44,474 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:33:44,475 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:33:44,475 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:33:44,475 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:33:44,476 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:33:43" (3/4) ... [2024-11-13 14:33:44,477 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 14:33:44,519 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaebd9a6-f767-4fd5-baff-0554254a6be1/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:33:44,519 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:33:44,520 INFO L158 Benchmark]: Toolchain (without parser) took 2309.46ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 50.6MB in the end (delta: 66.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 14:33:44,520 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:33:44,521 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.59ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 105.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:33:44,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.43ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 103.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:33:44,521 INFO L158 Benchmark]: Boogie Preprocessor took 41.14ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 102.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:33:44,522 INFO L158 Benchmark]: RCFGBuilder took 406.01ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 90.9MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:33:44,522 INFO L158 Benchmark]: TraceAbstraction took 1435.59ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 52.7MB in the end (delta: 37.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 14:33:44,522 INFO L158 Benchmark]: Witness Printer took 43.87ms. Allocated memory is still 142.6MB. Free memory was 52.7MB in the beginning and 50.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:33:44,524 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.59ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 105.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.43ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 103.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.14ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 102.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 406.01ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 90.9MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1435.59ms. Allocated memory is still 142.6MB. Free memory was 90.2MB in the beginning and 52.7MB in the end (delta: 37.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 43.87ms. Allocated memory is still 142.6MB. Free memory was 52.7MB in the beginning and 50.6MB in the end (delta: 2.2MB). There was no memory consumed. 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); [L29] long long *b = malloc(sizeof(long long)*N); [L31] i=0 VAL [N=1, a={-1:0}, b={-2:0}, i=0] [L31] COND TRUE i