./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/AllInterval-005.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4180d4-fb0d-4692-a14e-3a4d8d2008c5/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4180d4-fb0d-4692-a14e-3a4d8d2008c5/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4180d4-fb0d-4692-a14e-3a4d8d2008c5/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4180d4-fb0d-4692-a14e-3a4d8d2008c5/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/xcsp/AllInterval-005.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4180d4-fb0d-4692-a14e-3a4d8d2008c5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4180d4-fb0d-4692-a14e-3a4d8d2008c5/bin/uautomizer-verify-aQ6SnzHsRB --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 a9f3ee9eee9186ec2e7139b6da07915cfbf3926b7d28b3dac4ebf3fd8205beb2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:37:37,564 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:37:37,633 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4180d4-fb0d-4692-a14e-3a4d8d2008c5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:37:37,640 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:37:37,640 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:37:37,669 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:37:37,670 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:37:37,670 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:37:37,671 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:37:37,671 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:37:37,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:37:37,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:37:37,672 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:37:37,672 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:37:37,672 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:37:37,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:37:37,673 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:37:37,673 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:37:37,673 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:37:37,673 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:37:37,673 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:37:37,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:37:37,673 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:37:37,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:37:37,674 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:37:37,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:37:37,674 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:37:37,674 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:37:37,674 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:37:37,674 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:37:37,674 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:37:37,674 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:37:37,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:37:37,675 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:37:37,675 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:37:37,675 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:37:37,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:37:37,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:37:37,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:37:37,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:37:37,676 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:37:37,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:37:37,676 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:37:37,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:37:37,677 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:37:37,677 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:37:37,677 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:37:37,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:37:37,677 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_be4180d4-fb0d-4692-a14e-3a4d8d2008c5/bin/uautomizer-verify-aQ6SnzHsRB 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 -> a9f3ee9eee9186ec2e7139b6da07915cfbf3926b7d28b3dac4ebf3fd8205beb2 [2024-11-28 03:37:38,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:37:38,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:37:38,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:37:38,057 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:37:38,058 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:37:38,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4180d4-fb0d-4692-a14e-3a4d8d2008c5/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/xcsp/AllInterval-005.c [2024-11-28 03:37:41,156 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4180d4-fb0d-4692-a14e-3a4d8d2008c5/bin/uautomizer-verify-aQ6SnzHsRB/data/7c97e711e/429a9568038d4a70a87b19f967c21a13/FLAGbb258ae28 [2024-11-28 03:37:41,510 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:37:41,511 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4180d4-fb0d-4692-a14e-3a4d8d2008c5/sv-benchmarks/c/xcsp/AllInterval-005.c [2024-11-28 03:37:41,528 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4180d4-fb0d-4692-a14e-3a4d8d2008c5/bin/uautomizer-verify-aQ6SnzHsRB/data/7c97e711e/429a9568038d4a70a87b19f967c21a13/FLAGbb258ae28 [2024-11-28 03:37:41,557 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4180d4-fb0d-4692-a14e-3a4d8d2008c5/bin/uautomizer-verify-aQ6SnzHsRB/data/7c97e711e/429a9568038d4a70a87b19f967c21a13 [2024-11-28 03:37:41,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:37:41,563 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:37:41,565 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:37:41,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:37:41,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:37:41,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:37:41" (1/1) ... [2024-11-28 03:37:41,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@640c3e40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:41, skipping insertion in model container [2024-11-28 03:37:41,578 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:37:41" (1/1) ... [2024-11-28 03:37:41,600 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:37:41,855 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_be4180d4-fb0d-4692-a14e-3a4d8d2008c5/sv-benchmarks/c/xcsp/AllInterval-005.c[2566,2579] [2024-11-28 03:37:41,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:37:41,882 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:37:41,922 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_be4180d4-fb0d-4692-a14e-3a4d8d2008c5/sv-benchmarks/c/xcsp/AllInterval-005.c[2566,2579] [2024-11-28 03:37:41,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:37:41,952 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:37:41,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:41 WrapperNode [2024-11-28 03:37:41,954 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:37:41,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:37:41,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:37:41,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:37:41,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:41" (1/1) ... [2024-11-28 03:37:41,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:41" (1/1) ... [2024-11-28 03:37:42,014 INFO L138 Inliner]: procedures = 13, calls = 45, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 108 [2024-11-28 03:37:42,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:37:42,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:37:42,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:37:42,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:37:42,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:41" (1/1) ... [2024-11-28 03:37:42,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:41" (1/1) ... [2024-11-28 03:37:42,037 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:41" (1/1) ... [2024-11-28 03:37:42,054 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:37:42,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:41" (1/1) ... [2024-11-28 03:37:42,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:41" (1/1) ... [2024-11-28 03:37:42,059 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:41" (1/1) ... [2024-11-28 03:37:42,060 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:41" (1/1) ... [2024-11-28 03:37:42,063 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:41" (1/1) ... [2024-11-28 03:37:42,064 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:41" (1/1) ... [2024-11-28 03:37:42,065 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:41" (1/1) ... [2024-11-28 03:37:42,067 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:37:42,068 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:37:42,068 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:37:42,068 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:37:42,070 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:41" (1/1) ... [2024-11-28 03:37:42,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:37:42,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4180d4-fb0d-4692-a14e-3a4d8d2008c5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:37:42,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4180d4-fb0d-4692-a14e-3a4d8d2008c5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:37:42,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4180d4-fb0d-4692-a14e-3a4d8d2008c5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:37:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:37:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:37:42,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:37:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:37:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2024-11-28 03:37:42,159 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2024-11-28 03:37:42,254 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:37:42,257 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:37:42,624 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 03:37:42,624 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:37:42,646 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:37:42,647 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:37:42,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:37:42 BoogieIcfgContainer [2024-11-28 03:37:42,647 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:37:42,653 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:37:42,654 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:37:42,661 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:37:42,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:37:41" (1/3) ... [2024-11-28 03:37:42,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef9af7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:37:42, skipping insertion in model container [2024-11-28 03:37:42,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:41" (2/3) ... [2024-11-28 03:37:42,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef9af7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:37:42, skipping insertion in model container [2024-11-28 03:37:42,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:37:42" (3/3) ... [2024-11-28 03:37:42,667 INFO L128 eAbstractionObserver]: Analyzing ICFG AllInterval-005.c [2024-11-28 03:37:42,690 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:37:42,692 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG AllInterval-005.c that has 2 procedures, 62 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-28 03:37:42,782 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:37:42,804 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;@54e05c90, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:37:42,804 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:37:42,811 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 22 states have internal predecessors, (23), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 03:37:42,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-28 03:37:42,831 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:37:42,831 INFO L218 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:37:42,832 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:37:42,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:37:42,839 INFO L85 PathProgramCache]: Analyzing trace with hash 498368144, now seen corresponding path program 1 times [2024-11-28 03:37:42,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:37:42,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285942054] [2024-11-28 03:37:42,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:37:42,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:37:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:37:43,650 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:37:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:37:44,016 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:37:44,020 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:37:44,021 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:37:44,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:37:44,030 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-28 03:37:44,133 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:37:44,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:37:44 BoogieIcfgContainer [2024-11-28 03:37:44,137 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:37:44,138 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:37:44,138 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:37:44,142 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:37:44,143 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:37:42" (3/4) ... [2024-11-28 03:37:44,144 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-28 03:37:44,255 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 115. [2024-11-28 03:37:44,387 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4180d4-fb0d-4692-a14e-3a4d8d2008c5/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:37:44,392 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4180d4-fb0d-4692-a14e-3a4d8d2008c5/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:37:44,392 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:37:44,393 INFO L158 Benchmark]: Toolchain (without parser) took 2830.60ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 69.4MB in the end (delta: 48.1MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-11-28 03:37:44,394 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 74.5MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:37:44,394 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.50ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 105.6MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:37:44,394 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.52ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.3MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:37:44,395 INFO L158 Benchmark]: Boogie Preprocessor took 52.51ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 102.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:37:44,395 INFO L158 Benchmark]: RCFGBuilder took 579.63ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 89.2MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:37:44,395 INFO L158 Benchmark]: TraceAbstraction took 1483.75ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 80.7MB in the end (delta: 7.8MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-11-28 03:37:44,396 INFO L158 Benchmark]: Witness Printer took 254.06ms. Allocated memory is still 142.6MB. Free memory was 80.7MB in the beginning and 69.4MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:37:44,398 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 74.5MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.50ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 105.6MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.52ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.3MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.51ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 102.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 579.63ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 89.2MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1483.75ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 80.7MB in the end (delta: 7.8MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Witness Printer took 254.06ms. Allocated memory is still 142.6MB. Free memory was 80.7MB in the beginning and 69.4MB in the end (delta: 11.4MB). 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: 93]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L24] int cond0; [L25] int dummy = 0; [L26] int N; [L27] int var0; [L28] var0 = __VERIFIER_nondet_int() [L29] CALL assume(var0 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L29] RET assume(var0 >= 0) VAL [var0=1] [L30] CALL assume(var0 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L30] RET assume(var0 <= 4) VAL [var0=1] [L31] int var1; [L32] var1 = __VERIFIER_nondet_int() [L33] CALL assume(var1 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L33] RET assume(var1 >= 0) VAL [var0=1, var1=2] [L34] CALL assume(var1 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L34] RET assume(var1 <= 4) VAL [var0=1, var1=2] [L35] int var2; [L36] var2 = __VERIFIER_nondet_int() [L37] CALL assume(var2 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L37] RET assume(var2 >= 0) VAL [var0=1, var1=2, var2=4] [L38] CALL assume(var2 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L38] RET assume(var2 <= 4) VAL [var0=1, var1=2, var2=4] [L39] int var3; [L40] var3 = __VERIFIER_nondet_int() [L41] CALL assume(var3 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L41] RET assume(var3 >= 0) VAL [var0=1, var1=2, var2=4, var3=0] [L42] CALL assume(var3 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L42] RET assume(var3 <= 4) VAL [var0=1, var1=2, var2=4, var3=0] [L43] int var4; [L44] var4 = __VERIFIER_nondet_int() [L45] CALL assume(var4 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L45] RET assume(var4 >= 0) VAL [var0=1, var1=2, var2=4, var3=0, var4=3] [L46] CALL assume(var4 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L46] RET assume(var4 <= 4) VAL [var0=1, var1=2, var2=4, var3=0, var4=3] [L47] int var5; [L48] var5 = __VERIFIER_nondet_int() [L49] CALL assume(var5 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L49] RET assume(var5 >= 1) VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1] [L50] CALL assume(var5 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L50] RET assume(var5 <= 4) VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1] [L51] int var6; [L52] var6 = __VERIFIER_nondet_int() [L53] CALL assume(var6 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L53] RET assume(var6 >= 1) VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1, var6=2] [L54] CALL assume(var6 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L54] RET assume(var6 <= 4) VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1, var6=2] [L55] int var7; [L56] var7 = __VERIFIER_nondet_int() [L57] CALL assume(var7 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L57] RET assume(var7 >= 1) VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1, var6=2, var7=4] [L58] CALL assume(var7 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L58] RET assume(var7 <= 4) VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1, var6=2, var7=4] [L59] int var8; [L60] var8 = __VERIFIER_nondet_int() [L61] CALL assume(var8 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L61] RET assume(var8 >= 1) VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1, var6=2, var7=4, var8=3] [L62] CALL assume(var8 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L62] RET assume(var8 <= 4) VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1, var6=2, var7=4, var8=3] [L63] int myvar0 = 1; VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1, var6=2, var7=4, var8=3] [L64] CALL assume(var0 != var1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L64] RET assume(var0 != var1) VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1, var6=2, var7=4, var8=3] [L65] CALL assume(var0 != var2) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L65] RET assume(var0 != var2) VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1, var6=2, var7=4, var8=3] [L66] CALL assume(var0 != var3) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L66] RET assume(var0 != var3) VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1, var6=2, var7=4, var8=3] [L67] CALL assume(var0 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L67] RET assume(var0 != var4) VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1, var6=2, var7=4, var8=3] [L68] CALL assume(var1 != var2) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L68] RET assume(var1 != var2) VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1, var6=2, var7=4, var8=3] [L69] CALL assume(var1 != var3) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L69] RET assume(var1 != var3) VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1, var6=2, var7=4, var8=3] [L70] CALL assume(var1 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L70] RET assume(var1 != var4) VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1, var6=2, var7=4, var8=3] [L71] CALL assume(var2 != var3) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L71] RET assume(var2 != var3) VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1, var6=2, var7=4, var8=3] [L72] CALL assume(var2 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L72] RET assume(var2 != var4) VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1, var6=2, var7=4, var8=3] [L73] CALL assume(var3 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L73] RET assume(var3 != var4) VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1, var6=2, var7=4, var8=3] [L74] CALL assume(var5 != var6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L74] RET assume(var5 != var6) VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1, var6=2, var7=4, var8=3] [L75] CALL assume(var5 != var7) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L75] RET assume(var5 != var7) VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1, var6=2, var7=4, var8=3] [L76] CALL assume(var5 != var8) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L76] RET assume(var5 != var8) VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1, var6=2, var7=4, var8=3] [L77] CALL assume(var6 != var7) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L77] RET assume(var6 != var7) VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1, var6=2, var7=4, var8=3] [L78] CALL assume(var6 != var8) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L78] RET assume(var6 != var8) VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1, var6=2, var7=4, var8=3] [L79] CALL assume(var7 != var8) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L79] RET assume(var7 != var8) VAL [var0=1, var1=2, var2=4, var3=0, var4=3, var5=1, var6=2, var7=4, var8=3] [L80] int var_for_abs; [L81] var_for_abs = var0 - var1 [L82] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [var1=2, var2=4, var3=0, var4=3, var5=1, var6=2, var7=4, var8=3, var_for_abs=1] [L83] CALL assume(var5 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L83] RET assume(var5 == var_for_abs) VAL [var1=2, var2=4, var3=0, var4=3, var5=1, var6=2, var7=4, var8=3, var_for_abs=1] [L84] var_for_abs = var1 - var2 [L85] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [var2=4, var3=0, var4=3, var5=1, var6=2, var7=4, var8=3, var_for_abs=2] [L86] CALL assume(var6 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L86] RET assume(var6 == var_for_abs) VAL [var2=4, var3=0, var4=3, var5=1, var6=2, var7=4, var8=3, var_for_abs=2] [L87] var_for_abs = var2 - var3 [L88] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [var3=0, var4=3, var5=1, var6=2, var7=4, var8=3, var_for_abs=4] [L89] CALL assume(var7 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L89] RET assume(var7 == var_for_abs) VAL [var3=0, var4=3, var5=1, var6=2, var7=4, var8=3, var_for_abs=4] [L90] var_for_abs = var3 - var4 [L91] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) VAL [var5=1, var6=2, var7=4, var8=3, var_for_abs=3] [L92] CALL assume(var8 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1] [L92] RET assume(var8 == var_for_abs) VAL [var5=1, var6=2, var7=4, var8=3, var_for_abs=3] [L93] reach_error() VAL [var5=1, var6=2, var7=4, var8=3, var_for_abs=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 38, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-28 03:37:44,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be4180d4-fb0d-4692-a14e-3a4d8d2008c5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE