./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.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_cbe2a2c7-2f7f-48d3-a69e-0d4bf07dcc5e/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe2a2c7-2f7f-48d3-a69e-0d4bf07dcc5e/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_cbe2a2c7-2f7f-48d3-a69e-0d4bf07dcc5e/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe2a2c7-2f7f-48d3-a69e-0d4bf07dcc5e/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe2a2c7-2f7f-48d3-a69e-0d4bf07dcc5e/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_cbe2a2c7-2f7f-48d3-a69e-0d4bf07dcc5e/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 5d126ee18ecb92c3c690e8a34ad047b6b98e7a02d578302f03541b84dbf3857a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:01:40,780 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:01:40,906 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe2a2c7-2f7f-48d3-a69e-0d4bf07dcc5e/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 15:01:40,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:01:40,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:01:40,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:01:40,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:01:40,944 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:01:40,944 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:01:40,945 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:01:40,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:01:40,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:01:40,946 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:01:40,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:01:40,946 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:01:40,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:01:40,946 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:01:40,947 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:01:40,947 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:01:40,947 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:01:40,947 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:01:40,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:01:40,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:01:40,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:01:40,948 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:01:40,948 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:01:40,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:01:40,949 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:01:40,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:01:40,949 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:01:40,949 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:01:40,950 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:01:40,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:01:40,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:01:40,950 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:01:40,951 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:01:40,951 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:01:40,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:01:40,951 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:01:40,951 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:01:40,951 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:01:40,951 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:01:40,951 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_cbe2a2c7-2f7f-48d3-a69e-0d4bf07dcc5e/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 -> 5d126ee18ecb92c3c690e8a34ad047b6b98e7a02d578302f03541b84dbf3857a [2024-11-13 15:01:41,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:01:41,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:01:41,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:01:41,405 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:01:41,405 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:01:41,407 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe2a2c7-2f7f-48d3-a69e-0d4bf07dcc5e/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c Unable to find full path for "g++" [2024-11-13 15:01:43,871 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:01:44,316 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:01:44,317 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe2a2c7-2f7f-48d3-a69e-0d4bf07dcc5e/sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c [2024-11-13 15:01:44,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe2a2c7-2f7f-48d3-a69e-0d4bf07dcc5e/bin/uautomizer-verify-qhAvR1uOyd/data/f7d9bd66b/a28a51daf3bb4584905da8eccae4d38d/FLAG6df54c3db [2024-11-13 15:01:44,352 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe2a2c7-2f7f-48d3-a69e-0d4bf07dcc5e/bin/uautomizer-verify-qhAvR1uOyd/data/f7d9bd66b/a28a51daf3bb4584905da8eccae4d38d [2024-11-13 15:01:44,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:01:44,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:01:44,359 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:01:44,359 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:01:44,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:01:44,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:01:44" (1/1) ... [2024-11-13 15:01:44,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18610ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:44, skipping insertion in model container [2024-11-13 15:01:44,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:01:44" (1/1) ... [2024-11-13 15:01:44,424 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:01:44,689 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_cbe2a2c7-2f7f-48d3-a69e-0d4bf07dcc5e/sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c[2141,2154] [2024-11-13 15:01:44,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:01:44,858 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:01:44,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-13 15:01:44,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2024-11-13 15:01:44,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [96] [2024-11-13 15:01:44,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [462] [2024-11-13 15:01:44,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [587] [2024-11-13 15:01:44,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [622] [2024-11-13 15:01:44,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [692] [2024-11-13 15:01:44,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [788] [2024-11-13 15:01:44,879 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_cbe2a2c7-2f7f-48d3-a69e-0d4bf07dcc5e/sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c[2141,2154] [2024-11-13 15:01:44,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:01:44,991 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:01:44,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:44 WrapperNode [2024-11-13 15:01:44,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:01:44,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:01:44,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:01:44,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:01:45,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:44" (1/1) ... [2024-11-13 15:01:45,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:44" (1/1) ... [2024-11-13 15:01:45,062 INFO L138 Inliner]: procedures = 50, calls = 90, calls flagged for inlining = 18, calls inlined = 15, statements flattened = 141 [2024-11-13 15:01:45,062 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:01:45,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:01:45,063 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:01:45,063 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:01:45,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:44" (1/1) ... [2024-11-13 15:01:45,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:44" (1/1) ... [2024-11-13 15:01:45,079 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:44" (1/1) ... [2024-11-13 15:01:45,102 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]. [2024-11-13 15:01:45,103 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:44" (1/1) ... [2024-11-13 15:01:45,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:44" (1/1) ... [2024-11-13 15:01:45,111 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:44" (1/1) ... [2024-11-13 15:01:45,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:44" (1/1) ... [2024-11-13 15:01:45,118 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:44" (1/1) ... [2024-11-13 15:01:45,119 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:44" (1/1) ... [2024-11-13 15:01:45,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:01:45,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:01:45,123 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:01:45,123 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:01:45,124 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:44" (1/1) ... [2024-11-13 15:01:45,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:01:45,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe2a2c7-2f7f-48d3-a69e-0d4bf07dcc5e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:01:45,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe2a2c7-2f7f-48d3-a69e-0d4bf07dcc5e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:01:45,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe2a2c7-2f7f-48d3-a69e-0d4bf07dcc5e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:01:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:01:45,213 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-13 15:01:45,213 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-13 15:01:45,213 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-13 15:01:45,213 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-13 15:01:45,213 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-13 15:01:45,213 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-13 15:01:45,213 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-13 15:01:45,213 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-13 15:01:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:01:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-13 15:01:45,214 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-13 15:01:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:01:45,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:01:45,341 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:01:45,343 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:01:45,635 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-13 15:01:45,635 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:01:45,648 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:01:45,649 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 15:01:45,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:01:45 BoogieIcfgContainer [2024-11-13 15:01:45,649 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:01:45,653 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:01:45,653 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:01:45,659 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:01:45,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:01:44" (1/3) ... [2024-11-13 15:01:45,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f93388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:01:45, skipping insertion in model container [2024-11-13 15:01:45,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:01:44" (2/3) ... [2024-11-13 15:01:45,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f93388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:01:45, skipping insertion in model container [2024-11-13 15:01:45,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:01:45" (3/3) ... [2024-11-13 15:01:45,662 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product02.cil.c [2024-11-13 15:01:45,682 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:01:45,684 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec3_product02.cil.c that has 6 procedures, 65 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-13 15:01:45,755 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:01:45,770 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;@2bdc2fd2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:01:45,770 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:01:45,775 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 51 states have (on average 1.392156862745098) internal successors, (71), 55 states have internal predecessors, (71), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 15:01:45,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 15:01:45,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:01:45,786 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:01:45,787 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:01:45,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:01:45,795 INFO L85 PathProgramCache]: Analyzing trace with hash -7451887, now seen corresponding path program 1 times [2024-11-13 15:01:45,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:01:45,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075435119] [2024-11-13 15:01:45,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:01:45,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:01:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:46,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 15:01:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:46,130 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 15:01:46,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:01:46,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075435119] [2024-11-13 15:01:46,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075435119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:01:46,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:01:46,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:01:46,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726156577] [2024-11-13 15:01:46,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:01:46,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:01:46,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:01:46,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:01:46,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:01:46,173 INFO L87 Difference]: Start difference. First operand has 65 states, 51 states have (on average 1.392156862745098) internal successors, (71), 55 states have internal predecessors, (71), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 15:01:46,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:01:46,203 INFO L93 Difference]: Finished difference Result 122 states and 165 transitions. [2024-11-13 15:01:46,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:01:46,206 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-13 15:01:46,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:01:46,215 INFO L225 Difference]: With dead ends: 122 [2024-11-13 15:01:46,215 INFO L226 Difference]: Without dead ends: 56 [2024-11-13 15:01:46,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 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 15:01:46,223 INFO L432 NwaCegarLoop]: 79 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, 79 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 15:01:46,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:01:46,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-13 15:01:46,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-13 15:01:46,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 47 states have internal predecessors, (57), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:01:46,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2024-11-13 15:01:46,282 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 25 [2024-11-13 15:01:46,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:01:46,283 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2024-11-13 15:01:46,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 15:01:46,283 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2024-11-13 15:01:46,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 15:01:46,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:01:46,287 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:01:46,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:01:46,288 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:01:46,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:01:46,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1030844922, now seen corresponding path program 1 times [2024-11-13 15:01:46,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:01:46,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361108901] [2024-11-13 15:01:46,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:01:46,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:01:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:46,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 15:01:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:46,509 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 15:01:46,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:01:46,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361108901] [2024-11-13 15:01:46,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361108901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:01:46,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:01:46,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:01:46,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736073699] [2024-11-13 15:01:46,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:01:46,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:01:46,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:01:46,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:01:46,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:01:46,519 INFO L87 Difference]: Start difference. First operand 56 states and 70 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 15:01:46,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:01:46,541 INFO L93 Difference]: Finished difference Result 77 states and 95 transitions. [2024-11-13 15:01:46,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:01:46,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2024-11-13 15:01:46,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:01:46,543 INFO L225 Difference]: With dead ends: 77 [2024-11-13 15:01:46,543 INFO L226 Difference]: Without dead ends: 47 [2024-11-13 15:01:46,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:01:46,544 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 13 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:01:46,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 97 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:01:46,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-13 15:01:46,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-13 15:01:46,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 41 states have internal predecessors, (50), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 15:01:46,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 58 transitions. [2024-11-13 15:01:46,554 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 58 transitions. Word has length 26 [2024-11-13 15:01:46,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:01:46,554 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 58 transitions. [2024-11-13 15:01:46,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 15:01:46,555 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2024-11-13 15:01:46,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 15:01:46,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:01:46,560 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:01:46,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:01:46,560 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:01:46,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:01:46,561 INFO L85 PathProgramCache]: Analyzing trace with hash 558450506, now seen corresponding path program 1 times [2024-11-13 15:01:46,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:01:46,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873889329] [2024-11-13 15:01:46,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:01:46,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:01:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:46,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 15:01:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:46,836 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 15:01:46,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:01:46,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873889329] [2024-11-13 15:01:46,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873889329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:01:46,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:01:46,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:01:46,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85865812] [2024-11-13 15:01:46,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:01:46,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:01:46,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:01:46,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:01:46,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:01:46,842 INFO L87 Difference]: Start difference. First operand 47 states and 58 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 15:01:46,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:01:46,946 INFO L93 Difference]: Finished difference Result 87 states and 110 transitions. [2024-11-13 15:01:46,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:01:46,947 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-13 15:01:46,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:01:46,948 INFO L225 Difference]: With dead ends: 87 [2024-11-13 15:01:46,949 INFO L226 Difference]: Without dead ends: 47 [2024-11-13 15:01:46,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:01:46,952 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 52 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:01:46,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 160 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:01:46,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-13 15:01:46,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-13 15:01:46,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 41 states have internal predecessors, (49), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 15:01:46,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 57 transitions. [2024-11-13 15:01:46,971 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 57 transitions. Word has length 31 [2024-11-13 15:01:46,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:01:46,972 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 57 transitions. [2024-11-13 15:01:46,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 15:01:46,972 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2024-11-13 15:01:46,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 15:01:46,973 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:01:46,973 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:01:46,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:01:46,973 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:01:46,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:01:46,974 INFO L85 PathProgramCache]: Analyzing trace with hash 216772990, now seen corresponding path program 1 times [2024-11-13 15:01:46,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:01:46,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739814009] [2024-11-13 15:01:46,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:01:46,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:01:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:47,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 15:01:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:01:47,233 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 15:01:47,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:01:47,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739814009] [2024-11-13 15:01:47,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739814009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:01:47,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:01:47,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:01:47,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256294808] [2024-11-13 15:01:47,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:01:47,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:01:47,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:01:47,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:01:47,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:01:47,239 INFO L87 Difference]: Start difference. First operand 47 states and 57 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 15:01:47,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:01:47,365 INFO L93 Difference]: Finished difference Result 120 states and 154 transitions. [2024-11-13 15:01:47,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:01:47,370 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2024-11-13 15:01:47,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:01:47,375 INFO L225 Difference]: With dead ends: 120 [2024-11-13 15:01:47,376 INFO L226 Difference]: Without dead ends: 80 [2024-11-13 15:01:47,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:01:47,379 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 22 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:01:47,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 198 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:01:47,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-13 15:01:47,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-13 15:01:47,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 64 states have (on average 1.28125) internal successors, (82), 68 states have internal predecessors, (82), 8 states have call successors, (8), 8 states have call predecessors, (8), 7 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) [2024-11-13 15:01:47,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 99 transitions. [2024-11-13 15:01:47,417 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 99 transitions. Word has length 32 [2024-11-13 15:01:47,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:01:47,418 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 99 transitions. [2024-11-13 15:01:47,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-13 15:01:47,418 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 99 transitions. [2024-11-13 15:01:47,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 15:01:47,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:01:47,420 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:01:47,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:01:47,420 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:01:47,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:01:47,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1062138396, now seen corresponding path program 1 times [2024-11-13 15:01:47,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:01:47,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656156000] [2024-11-13 15:01:47,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:01:47,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:01:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:01:47,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:01:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:01:47,524 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:01:47,525 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:01:47,526 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 15:01:47,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:01:47,532 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-13 15:01:47,583 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:01:47,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:01:47 BoogieIcfgContainer [2024-11-13 15:01:47,589 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:01:47,589 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:01:47,589 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:01:47,589 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:01:47,594 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:01:45" (3/4) ... [2024-11-13 15:01:47,595 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 15:01:47,681 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe2a2c7-2f7f-48d3-a69e-0d4bf07dcc5e/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:01:47,681 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:01:47,682 INFO L158 Benchmark]: Toolchain (without parser) took 3324.95ms. Allocated memory is still 167.8MB. Free memory was 129.5MB in the beginning and 106.4MB in the end (delta: 23.2MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-11-13 15:01:47,683 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:01:47,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.87ms. Allocated memory is still 167.8MB. Free memory was 129.2MB in the beginning and 111.3MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:01:47,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.59ms. Allocated memory is still 167.8MB. Free memory was 111.3MB in the beginning and 109.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:01:47,690 INFO L158 Benchmark]: Boogie Preprocessor took 58.73ms. Allocated memory is still 167.8MB. Free memory was 109.8MB in the beginning and 108.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:01:47,690 INFO L158 Benchmark]: RCFGBuilder took 526.96ms. Allocated memory is still 167.8MB. Free memory was 108.2MB in the beginning and 93.0MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:01:47,691 INFO L158 Benchmark]: TraceAbstraction took 1935.73ms. Allocated memory is still 167.8MB. Free memory was 92.4MB in the beginning and 109.2MB in the end (delta: -16.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:01:47,691 INFO L158 Benchmark]: Witness Printer took 91.74ms. Allocated memory is still 167.8MB. Free memory was 109.2MB in the beginning and 106.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:01:47,693 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 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 636.87ms. Allocated memory is still 167.8MB. Free memory was 129.2MB in the beginning and 111.3MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.59ms. Allocated memory is still 167.8MB. Free memory was 111.3MB in the beginning and 109.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.73ms. Allocated memory is still 167.8MB. Free memory was 109.8MB in the beginning and 108.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 526.96ms. Allocated memory is still 167.8MB. Free memory was 108.2MB in the beginning and 93.0MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1935.73ms. Allocated memory is still 167.8MB. Free memory was 92.4MB in the beginning and 109.2MB in the end (delta: -16.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 91.74ms. Allocated memory is still 167.8MB. Free memory was 109.2MB in the beginning and 106.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [96] - GenericResultAtLocation [Line: 462]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [462] - GenericResultAtLocation [Line: 587]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [587] - GenericResultAtLocation [Line: 622]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [622] - GenericResultAtLocation [Line: 692]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [692] - GenericResultAtLocation [Line: 788]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [788] * 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: 92]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L266] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L472] int pumpRunning = 0; [L473] int systemActive = 1; [L693] int cleanupTimeShifts = 4; [L789] int waterLevel = 1; [L790] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L766] int retValue_acc ; [L767] int tmp ; [L771] FCALL select_helpers() [L772] FCALL select_features() [L773] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L773] RET, EXPR valid_product() [L773] tmp = valid_product() [L775] COND TRUE \read(tmp) [L777] FCALL setup() [L778] CALL runTest() [L760] CALL test() [L627] int splverifierCounter ; [L628] int tmp ; [L629] int tmp___0 ; [L630] int tmp___1 ; [L631] int tmp___2 ; [L634] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L636] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L638] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L644] tmp = __VERIFIER_nondet_int() [L646] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L648] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L807] COND TRUE waterLevel < 2 [L808] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L648] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L654] tmp___0 = __VERIFIER_nondet_int() [L656] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L664] tmp___2 = __VERIFIER_nondet_int() [L666] COND TRUE \read(tmp___2) [L668] CALL startSystem() [L583] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L668] RET startSystem() [L681] CALL timeShift() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L480] COND FALSE !(\read(pumpRunning)) VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L487] COND TRUE \read(systemActive) [L489] FCALL processEnvironment() [L495] CALL __utac_acc__Specification3_spec__1() [L590] int tmp ; [L591] int tmp___0 ; [L592] int tmp___1 ; VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L596] CALL, EXPR isMethaneLevelCritical() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L828] int retValue_acc ; [L831] retValue_acc = methaneLevelCritical [L832] return (retValue_acc); VAL [\old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L596] RET, EXPR isMethaneLevelCritical() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L596] tmp = isMethaneLevelCritical() [L598] COND FALSE !(\read(tmp)) [L602] CALL, EXPR getWaterLevel() [L860] int retValue_acc ; [L863] retValue_acc = waterLevel [L864] return (retValue_acc); VAL [\old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L602] RET, EXPR getWaterLevel() [L602] tmp___0 = getWaterLevel() [L604] COND TRUE tmp___0 == 2 [L606] CALL, EXPR isPumpRunning() [L535] int retValue_acc ; [L538] retValue_acc = pumpRunning [L539] return (retValue_acc); VAL [\old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L606] RET, EXPR isPumpRunning() [L606] tmp___1 = isPumpRunning() [L608] COND FALSE !(\read(tmp___1)) [L612] CALL __automaton_fail() [L92] reach_error() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 87 mSDsluCounter, 534 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 292 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 242 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=4, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-13 15:01:47,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe2a2c7-2f7f-48d3-a69e-0d4bf07dcc5e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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