./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243ee9f-1a9f-4e39-80a2-48d91fd0dc9f/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243ee9f-1a9f-4e39-80a2-48d91fd0dc9f/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243ee9f-1a9f-4e39-80a2-48d91fd0dc9f/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243ee9f-1a9f-4e39-80a2-48d91fd0dc9f/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243ee9f-1a9f-4e39-80a2-48d91fd0dc9f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243ee9f-1a9f-4e39-80a2-48d91fd0dc9f/bin/uautomizer-verify-jihMAELWvX --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 d8d5749cb33f10edd647435755bf2e2192f6038b258c1bda289ea3f61ba8ee50 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:21:02,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:21:03,084 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243ee9f-1a9f-4e39-80a2-48d91fd0dc9f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 18:21:03,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:21:03,091 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:21:03,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:21:03,119 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:21:03,119 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:21:03,120 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:21:03,122 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:21:03,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:21:03,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:21:03,124 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:21:03,126 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:21:03,126 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:21:03,127 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:21:03,127 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:21:03,128 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:21:03,128 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:21:03,131 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:21:03,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:21:03,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:21:03,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:21:03,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:21:03,133 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:21:03,133 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:21:03,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:21:03,134 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:21:03,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:21:03,135 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:21:03,135 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:21:03,135 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:21:03,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:21:03,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:21:03,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:21:03,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:21:03,141 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:21:03,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:21:03,141 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:21:03,142 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:21:03,142 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:21:03,145 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:21:03,145 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243ee9f-1a9f-4e39-80a2-48d91fd0dc9f/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243ee9f-1a9f-4e39-80a2-48d91fd0dc9f/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8d5749cb33f10edd647435755bf2e2192f6038b258c1bda289ea3f61ba8ee50 [2024-11-08 18:21:03,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:21:03,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:21:03,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:21:03,479 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:21:03,480 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:21:03,482 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243ee9f-1a9f-4e39-80a2-48d91fd0dc9f/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c Unable to find full path for "g++" [2024-11-08 18:21:05,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:21:05,777 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:21:05,778 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243ee9f-1a9f-4e39-80a2-48d91fd0dc9f/sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c [2024-11-08 18:21:05,797 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243ee9f-1a9f-4e39-80a2-48d91fd0dc9f/bin/uautomizer-verify-jihMAELWvX/data/c87f0ee01/7c594d0941e3441e8bda0d6ee90892da/FLAGdc8d9f0dd [2024-11-08 18:21:05,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243ee9f-1a9f-4e39-80a2-48d91fd0dc9f/bin/uautomizer-verify-jihMAELWvX/data/c87f0ee01/7c594d0941e3441e8bda0d6ee90892da [2024-11-08 18:21:05,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:21:05,814 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:21:05,815 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:21:05,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:21:05,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:21:05,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:21:05" (1/1) ... [2024-11-08 18:21:05,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@481e095f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:21:05, skipping insertion in model container [2024-11-08 18:21:05,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:21:05" (1/1) ... [2024-11-08 18:21:05,867 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:21:06,092 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_0243ee9f-1a9f-4e39-80a2-48d91fd0dc9f/sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c[3064,3077] [2024-11-08 18:21:06,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:21:06,260 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:21:06,269 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-08 18:21:06,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [150] [2024-11-08 18:21:06,271 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [159] [2024-11-08 18:21:06,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [186] [2024-11-08 18:21:06,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [256] [2024-11-08 18:21:06,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [426] [2024-11-08 18:21:06,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [464] [2024-11-08 18:21:06,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [560] [2024-11-08 18:21:06,289 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_0243ee9f-1a9f-4e39-80a2-48d91fd0dc9f/sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c[3064,3077] [2024-11-08 18:21:06,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:21:06,366 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:21:06,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:21:06 WrapperNode [2024-11-08 18:21:06,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:21:06,367 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:21:06,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:21:06,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:21:06,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:21:06" (1/1) ... [2024-11-08 18:21:06,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:21:06" (1/1) ... [2024-11-08 18:21:06,415 INFO L138 Inliner]: procedures = 53, calls = 95, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 170 [2024-11-08 18:21:06,417 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:21:06,418 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:21:06,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:21:06,418 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:21:06,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:21:06" (1/1) ... [2024-11-08 18:21:06,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:21:06" (1/1) ... [2024-11-08 18:21:06,432 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:21:06" (1/1) ... [2024-11-08 18:21:06,446 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]. [2024-11-08 18:21:06,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:21:06" (1/1) ... [2024-11-08 18:21:06,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:21:06" (1/1) ... [2024-11-08 18:21:06,451 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:21:06" (1/1) ... [2024-11-08 18:21:06,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:21:06" (1/1) ... [2024-11-08 18:21:06,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:21:06" (1/1) ... [2024-11-08 18:21:06,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:21:06" (1/1) ... [2024-11-08 18:21:06,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:21:06,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:21:06,461 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:21:06,461 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:21:06,462 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:21:06" (1/1) ... [2024-11-08 18:21:06,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:21:06,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243ee9f-1a9f-4e39-80a2-48d91fd0dc9f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:21:06,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243ee9f-1a9f-4e39-80a2-48d91fd0dc9f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:21:06,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243ee9f-1a9f-4e39-80a2-48d91fd0dc9f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:21:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:21:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-08 18:21:06,557 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-08 18:21:06,557 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-08 18:21:06,558 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-08 18:21:06,558 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-08 18:21:06,558 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-08 18:21:06,558 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-08 18:21:06,558 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-08 18:21:06,558 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-08 18:21:06,559 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-08 18:21:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:21:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-08 18:21:06,560 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-08 18:21:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:21:06,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:21:06,662 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:21:06,668 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:21:07,042 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-08 18:21:07,042 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:21:07,063 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:21:07,064 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 18:21:07,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:21:07 BoogieIcfgContainer [2024-11-08 18:21:07,064 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:21:07,067 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:21:07,067 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:21:07,071 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:21:07,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:21:05" (1/3) ... [2024-11-08 18:21:07,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218b709d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:21:07, skipping insertion in model container [2024-11-08 18:21:07,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:21:06" (2/3) ... [2024-11-08 18:21:07,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218b709d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:21:07, skipping insertion in model container [2024-11-08 18:21:07,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:21:07" (3/3) ... [2024-11-08 18:21:07,075 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product35.cil.c [2024-11-08 18:21:07,096 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:21:07,096 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:21:07,157 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:21:07,162 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2345ae5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:21:07,163 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:21:07,166 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 67 states have internal predecessors, (85), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 18:21:07,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 18:21:07,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:21:07,175 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] [2024-11-08 18:21:07,175 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:21:07,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:21:07,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1690294014, now seen corresponding path program 1 times [2024-11-08 18:21:07,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:21:07,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357193699] [2024-11-08 18:21:07,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:21:07,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:21:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:07,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-08 18:21:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:07,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:21:07,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:21:07,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357193699] [2024-11-08 18:21:07,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357193699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:21:07,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:21:07,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:21:07,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509829049] [2024-11-08 18:21:07,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:21:07,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:21:07,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:21:07,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:21:07,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:21:07,502 INFO L87 Difference]: Start difference. First operand has 78 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 67 states have internal predecessors, (85), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2024-11-08 18:21:07,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:21:07,547 INFO L93 Difference]: Finished difference Result 148 states and 201 transitions. [2024-11-08 18:21:07,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:21:07,550 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2024-11-08 18:21:07,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:21:07,561 INFO L225 Difference]: With dead ends: 148 [2024-11-08 18:21:07,562 INFO L226 Difference]: Without dead ends: 69 [2024-11-08 18:21:07,567 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 [2024-11-08 18:21:07,572 INFO L432 NwaCegarLoop]: 97 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, 97 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 [2024-11-08 18:21:07,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:21:07,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-08 18:21:07,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-08 18:21:07,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 59 states have internal predecessors, (71), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-08 18:21:07,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 88 transitions. [2024-11-08 18:21:07,654 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 88 transitions. Word has length 23 [2024-11-08 18:21:07,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:21:07,655 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 88 transitions. [2024-11-08 18:21:07,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2024-11-08 18:21:07,655 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2024-11-08 18:21:07,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 18:21:07,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:21:07,657 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] [2024-11-08 18:21:07,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:21:07,658 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:21:07,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:21:07,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1778749043, now seen corresponding path program 1 times [2024-11-08 18:21:07,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:21:07,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623146226] [2024-11-08 18:21:07,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:21:07,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:21:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:07,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 18:21:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:07,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:21:07,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:21:07,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623146226] [2024-11-08 18:21:07,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623146226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:21:07,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:21:07,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:21:07,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364002152] [2024-11-08 18:21:07,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:21:07,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:21:07,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:21:07,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:21:07,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:21:07,861 INFO L87 Difference]: Start difference. First operand 69 states and 88 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-08 18:21:07,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:21:07,883 INFO L93 Difference]: Finished difference Result 100 states and 127 transitions. [2024-11-08 18:21:07,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:21:07,884 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2024-11-08 18:21:07,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:21:07,885 INFO L225 Difference]: With dead ends: 100 [2024-11-08 18:21:07,886 INFO L226 Difference]: Without dead ends: 60 [2024-11-08 18:21:07,886 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 [2024-11-08 18:21:07,888 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 17 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 129 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 [2024-11-08 18:21:07,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 129 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:21:07,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-08 18:21:07,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-08 18:21:07,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 48 states have (on average 1.3333333333333333) internal successors, (64), 53 states have internal predecessors, (64), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-08 18:21:07,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 76 transitions. [2024-11-08 18:21:07,899 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 76 transitions. Word has length 24 [2024-11-08 18:21:07,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:21:07,899 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 76 transitions. [2024-11-08 18:21:07,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-08 18:21:07,900 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2024-11-08 18:21:07,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 18:21:07,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:21:07,901 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] [2024-11-08 18:21:07,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:21:07,904 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:21:07,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:21:07,905 INFO L85 PathProgramCache]: Analyzing trace with hash 279735391, now seen corresponding path program 1 times [2024-11-08 18:21:07,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:21:07,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919593681] [2024-11-08 18:21:07,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:21:07,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:21:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:08,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 18:21:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:08,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:21:08,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:21:08,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919593681] [2024-11-08 18:21:08,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919593681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:21:08,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:21:08,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:21:08,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472743474] [2024-11-08 18:21:08,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:21:08,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:21:08,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:21:08,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:21:08,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:21:08,088 INFO L87 Difference]: Start difference. First operand 60 states and 76 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-08 18:21:08,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:21:08,117 INFO L93 Difference]: Finished difference Result 165 states and 214 transitions. [2024-11-08 18:21:08,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:21:08,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 28 [2024-11-08 18:21:08,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:21:08,124 INFO L225 Difference]: With dead ends: 165 [2024-11-08 18:21:08,124 INFO L226 Difference]: Without dead ends: 112 [2024-11-08 18:21:08,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:21:08,126 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 56 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:21:08,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 156 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:21:08,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-08 18:21:08,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 107. [2024-11-08 18:21:08,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 84 states have (on average 1.3571428571428572) internal successors, (114), 93 states have internal predecessors, (114), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 18:21:08,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 138 transitions. [2024-11-08 18:21:08,152 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 138 transitions. Word has length 28 [2024-11-08 18:21:08,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:21:08,153 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 138 transitions. [2024-11-08 18:21:08,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-08 18:21:08,153 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 138 transitions. [2024-11-08 18:21:08,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 18:21:08,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:21:08,155 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] [2024-11-08 18:21:08,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:21:08,155 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:21:08,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:21:08,156 INFO L85 PathProgramCache]: Analyzing trace with hash 501165132, now seen corresponding path program 1 times [2024-11-08 18:21:08,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:21:08,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923280503] [2024-11-08 18:21:08,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:21:08,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:21:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:08,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 18:21:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:08,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 18:21:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:08,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:21:08,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:21:08,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923280503] [2024-11-08 18:21:08,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923280503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:21:08,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:21:08,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:21:08,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963420972] [2024-11-08 18:21:08,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:21:08,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:21:08,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:21:08,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:21:08,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:21:08,310 INFO L87 Difference]: Start difference. First operand 107 states and 138 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 18:21:08,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:21:08,388 INFO L93 Difference]: Finished difference Result 282 states and 371 transitions. [2024-11-08 18:21:08,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:21:08,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-08 18:21:08,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:21:08,391 INFO L225 Difference]: With dead ends: 282 [2024-11-08 18:21:08,391 INFO L226 Difference]: Without dead ends: 182 [2024-11-08 18:21:08,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:21:08,394 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 49 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:21:08,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 121 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:21:08,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-08 18:21:08,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 180. [2024-11-08 18:21:08,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 139 states have (on average 1.3381294964028776) internal successors, (186), 150 states have internal predecessors, (186), 20 states have call successors, (20), 20 states have call predecessors, (20), 20 states have return successors, (24), 20 states have call predecessors, (24), 20 states have call successors, (24) [2024-11-08 18:21:08,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 230 transitions. [2024-11-08 18:21:08,422 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 230 transitions. Word has length 33 [2024-11-08 18:21:08,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:21:08,422 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 230 transitions. [2024-11-08 18:21:08,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 18:21:08,423 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 230 transitions. [2024-11-08 18:21:08,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 18:21:08,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:21:08,424 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] [2024-11-08 18:21:08,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 18:21:08,425 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:21:08,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:21:08,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1694219500, now seen corresponding path program 1 times [2024-11-08 18:21:08,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:21:08,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745889392] [2024-11-08 18:21:08,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:21:08,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:21:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:08,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 18:21:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:08,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:21:08,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:21:08,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745889392] [2024-11-08 18:21:08,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745889392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:21:08,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:21:08,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:21:08,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980138981] [2024-11-08 18:21:08,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:21:08,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:21:08,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:21:08,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:21:08,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:21:08,602 INFO L87 Difference]: Start difference. First operand 180 states and 230 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) [2024-11-08 18:21:08,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:21:08,687 INFO L93 Difference]: Finished difference Result 182 states and 231 transitions. [2024-11-08 18:21:08,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:21:08,689 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 [2024-11-08 18:21:08,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:21:08,691 INFO L225 Difference]: With dead ends: 182 [2024-11-08 18:21:08,691 INFO L226 Difference]: Without dead ends: 180 [2024-11-08 18:21:08,692 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 [2024-11-08 18:21:08,697 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 40 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:21:08,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 258 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:21:08,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-08 18:21:08,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2024-11-08 18:21:08,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 139 states have (on average 1.3237410071942446) internal successors, (184), 150 states have internal predecessors, (184), 20 states have call successors, (20), 20 states have call predecessors, (20), 20 states have return successors, (24), 20 states have call predecessors, (24), 20 states have call successors, (24) [2024-11-08 18:21:08,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 228 transitions. [2024-11-08 18:21:08,721 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 228 transitions. Word has length 32 [2024-11-08 18:21:08,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:21:08,721 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 228 transitions. [2024-11-08 18:21:08,721 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) [2024-11-08 18:21:08,722 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 228 transitions. [2024-11-08 18:21:08,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-08 18:21:08,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:21:08,723 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, 1] [2024-11-08 18:21:08,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 18:21:08,724 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:21:08,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:21:08,724 INFO L85 PathProgramCache]: Analyzing trace with hash 128126648, now seen corresponding path program 1 times [2024-11-08 18:21:08,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:21:08,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374316911] [2024-11-08 18:21:08,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:21:08,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:21:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:08,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 18:21:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:08,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:21:08,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:21:08,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374316911] [2024-11-08 18:21:08,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374316911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:21:08,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:21:08,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:21:08,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682832477] [2024-11-08 18:21:08,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:21:08,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:21:08,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:21:08,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:21:08,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:21:08,823 INFO L87 Difference]: Start difference. First operand 180 states and 228 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 18:21:08,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:21:08,853 INFO L93 Difference]: Finished difference Result 357 states and 463 transitions. [2024-11-08 18:21:08,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:21:08,854 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (2), 1 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 37 [2024-11-08 18:21:08,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:21:08,856 INFO L225 Difference]: With dead ends: 357 [2024-11-08 18:21:08,856 INFO L226 Difference]: Without dead ends: 184 [2024-11-08 18:21:08,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:21:08,859 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 0 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:21:08,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 216 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:21:08,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-11-08 18:21:08,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2024-11-08 18:21:08,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 143 states have (on average 1.3146853146853146) internal successors, (188), 154 states have internal predecessors, (188), 20 states have call successors, (20), 20 states have call predecessors, (20), 20 states have return successors, (24), 20 states have call predecessors, (24), 20 states have call successors, (24) [2024-11-08 18:21:08,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 232 transitions. [2024-11-08 18:21:08,880 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 232 transitions. Word has length 37 [2024-11-08 18:21:08,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:21:08,881 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 232 transitions. [2024-11-08 18:21:08,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 18:21:08,881 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 232 transitions. [2024-11-08 18:21:08,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-08 18:21:08,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:21:08,883 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, 1] [2024-11-08 18:21:08,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 18:21:08,883 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:21:08,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:21:08,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1149195002, now seen corresponding path program 1 times [2024-11-08 18:21:08,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:21:08,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816010682] [2024-11-08 18:21:08,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:21:08,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:21:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:08,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 18:21:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:08,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:21:08,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:21:08,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816010682] [2024-11-08 18:21:08,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816010682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:21:08,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:21:08,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:21:08,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773372281] [2024-11-08 18:21:08,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:21:08,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:21:08,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:21:08,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:21:08,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:21:08,971 INFO L87 Difference]: Start difference. First operand 184 states and 232 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 18:21:09,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:21:09,004 INFO L93 Difference]: Finished difference Result 367 states and 469 transitions. [2024-11-08 18:21:09,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:21:09,005 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (2), 1 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 37 [2024-11-08 18:21:09,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:21:09,007 INFO L225 Difference]: With dead ends: 367 [2024-11-08 18:21:09,007 INFO L226 Difference]: Without dead ends: 190 [2024-11-08 18:21:09,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:21:09,010 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:21:09,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 285 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:21:09,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-08 18:21:09,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2024-11-08 18:21:09,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 149 states have (on average 1.3020134228187918) internal successors, (194), 160 states have internal predecessors, (194), 20 states have call successors, (20), 20 states have call predecessors, (20), 20 states have return successors, (24), 20 states have call predecessors, (24), 20 states have call successors, (24) [2024-11-08 18:21:09,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 238 transitions. [2024-11-08 18:21:09,041 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 238 transitions. Word has length 37 [2024-11-08 18:21:09,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:21:09,045 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 238 transitions. [2024-11-08 18:21:09,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 18:21:09,045 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 238 transitions. [2024-11-08 18:21:09,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-08 18:21:09,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:21:09,046 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, 1] [2024-11-08 18:21:09,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 18:21:09,047 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:21:09,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:21:09,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1866018058, now seen corresponding path program 1 times [2024-11-08 18:21:09,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:21:09,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294656029] [2024-11-08 18:21:09,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:21:09,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:21:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:09,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 18:21:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:09,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:21:09,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:21:09,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294656029] [2024-11-08 18:21:09,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294656029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:21:09,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:21:09,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:21:09,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964028084] [2024-11-08 18:21:09,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:21:09,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:21:09,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:21:09,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:21:09,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:21:09,130 INFO L87 Difference]: Start difference. First operand 190 states and 238 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-11-08 18:21:09,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:21:09,172 INFO L93 Difference]: Finished difference Result 458 states and 579 transitions. [2024-11-08 18:21:09,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:21:09,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 37 [2024-11-08 18:21:09,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:21:09,177 INFO L225 Difference]: With dead ends: 458 [2024-11-08 18:21:09,180 INFO L226 Difference]: Without dead ends: 275 [2024-11-08 18:21:09,181 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 [2024-11-08 18:21:09,182 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 38 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:21:09,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 137 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:21:09,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-08 18:21:09,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2024-11-08 18:21:09,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 216 states have (on average 1.2685185185185186) internal successors, (274), 229 states have internal predecessors, (274), 30 states have call successors, (30), 30 states have call predecessors, (30), 28 states have return successors, (34), 28 states have call predecessors, (34), 30 states have call successors, (34) [2024-11-08 18:21:09,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 338 transitions. [2024-11-08 18:21:09,220 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 338 transitions. Word has length 37 [2024-11-08 18:21:09,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:21:09,223 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 338 transitions. [2024-11-08 18:21:09,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-11-08 18:21:09,223 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 338 transitions. [2024-11-08 18:21:09,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 18:21:09,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:21:09,225 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, 1, 1, 1, 1, 1] [2024-11-08 18:21:09,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 18:21:09,226 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:21:09,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:21:09,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1725954960, now seen corresponding path program 1 times [2024-11-08 18:21:09,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:21:09,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376368687] [2024-11-08 18:21:09,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:21:09,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:21:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:09,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 18:21:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:09,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:21:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:21:09,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:21:09,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:21:09,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376368687] [2024-11-08 18:21:09,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376368687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:21:09,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:21:09,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:21:09,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357816723] [2024-11-08 18:21:09,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:21:09,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:21:09,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:21:09,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:21:09,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:21:09,396 INFO L87 Difference]: Start difference. First operand 275 states and 338 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 18:21:09,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:21:09,735 INFO L93 Difference]: Finished difference Result 955 states and 1208 transitions. [2024-11-08 18:21:09,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 18:21:09,737 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2024-11-08 18:21:09,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:21:09,744 INFO L225 Difference]: With dead ends: 955 [2024-11-08 18:21:09,744 INFO L226 Difference]: Without dead ends: 687 [2024-11-08 18:21:09,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-08 18:21:09,747 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 111 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:21:09,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 345 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:21:09,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2024-11-08 18:21:09,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 677. [2024-11-08 18:21:09,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 532 states have (on average 1.236842105263158) internal successors, (658), 573 states have internal predecessors, (658), 76 states have call successors, (76), 60 states have call predecessors, (76), 68 states have return successors, (102), 72 states have call predecessors, (102), 76 states have call successors, (102) [2024-11-08 18:21:09,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 836 transitions. [2024-11-08 18:21:09,831 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 836 transitions. Word has length 41 [2024-11-08 18:21:09,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:21:09,832 INFO L471 AbstractCegarLoop]: Abstraction has 677 states and 836 transitions. [2024-11-08 18:21:09,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 18:21:09,832 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 836 transitions. [2024-11-08 18:21:09,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-08 18:21:09,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:21:09,835 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:21:09,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 18:21:09,836 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:21:09,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:21:09,836 INFO L85 PathProgramCache]: Analyzing trace with hash -572272244, now seen corresponding path program 1 times [2024-11-08 18:21:09,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:21:09,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548018393] [2024-11-08 18:21:09,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:21:09,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:21:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:21:09,878 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:21:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:21:09,930 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:21:09,930 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:21:09,931 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 18:21:09,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 18:21:09,936 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:21:10,008 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:21:10,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:21:10 BoogieIcfgContainer [2024-11-08 18:21:10,017 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:21:10,018 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:21:10,018 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:21:10,018 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:21:10,019 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:21:07" (3/4) ... [2024-11-08 18:21:10,020 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 18:21:10,107 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243ee9f-1a9f-4e39-80a2-48d91fd0dc9f/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 18:21:10,107 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:21:10,111 INFO L158 Benchmark]: Toolchain (without parser) took 4293.72ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 115.8MB in the beginning and 153.7MB in the end (delta: -37.9MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-11-08 18:21:10,111 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 155.2MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:21:10,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.48ms. Allocated memory is still 155.2MB. Free memory was 115.8MB in the beginning and 94.7MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 18:21:10,112 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.87ms. Allocated memory is still 155.2MB. Free memory was 94.7MB in the beginning and 92.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:21:10,112 INFO L158 Benchmark]: Boogie Preprocessor took 42.37ms. Allocated memory is still 155.2MB. Free memory was 92.7MB in the beginning and 90.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:21:10,112 INFO L158 Benchmark]: RCFGBuilder took 603.46ms. Allocated memory is still 155.2MB. Free memory was 90.0MB in the beginning and 73.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 18:21:10,113 INFO L158 Benchmark]: TraceAbstraction took 2950.42ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 73.3MB in the beginning and 157.9MB in the end (delta: -84.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:21:10,113 INFO L158 Benchmark]: Witness Printer took 89.12ms. Allocated memory is still 197.1MB. Free memory was 157.9MB in the beginning and 153.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:21:10,114 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 155.2MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 551.48ms. Allocated memory is still 155.2MB. Free memory was 115.8MB in the beginning and 94.7MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.87ms. Allocated memory is still 155.2MB. Free memory was 94.7MB in the beginning and 92.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.37ms. Allocated memory is still 155.2MB. Free memory was 92.7MB in the beginning and 90.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 603.46ms. Allocated memory is still 155.2MB. Free memory was 90.0MB in the beginning and 73.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2950.42ms. Allocated memory was 155.2MB in the beginning and 197.1MB in the end (delta: 41.9MB). Free memory was 73.3MB in the beginning and 157.9MB in the end (delta: -84.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 89.12ms. Allocated memory is still 197.1MB. Free memory was 157.9MB in the beginning and 153.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 150]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [150] - GenericResultAtLocation [Line: 159]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [159] - GenericResultAtLocation [Line: 186]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [186] - GenericResultAtLocation [Line: 256]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [256] - GenericResultAtLocation [Line: 426]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [426] - GenericResultAtLocation [Line: 464]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [464] - GenericResultAtLocation [Line: 560]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [560] * 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: 155]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L260] int pumpRunning = 0; [L261] int systemActive = 1; [L465] int cleanupTimeShifts = 4; [L730] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L538] int retValue_acc ; [L539] int tmp ; [L543] FCALL select_helpers() [L544] FCALL select_features() [L545] CALL, EXPR valid_product() [L456] int retValue_acc ; [L459] retValue_acc = 1 [L460] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L545] RET, EXPR valid_product() [L545] tmp = valid_product() [L547] COND TRUE \read(tmp) [L549] FCALL setup() [L550] CALL runTest() [L532] CALL test() [L191] int splverifierCounter ; [L192] int tmp ; [L193] int tmp___0 ; [L194] int tmp___1 ; [L195] int tmp___2 ; [L198] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L200] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L202] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L208] tmp = __VERIFIER_nondet_int() [L210] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L212] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L75] COND TRUE waterLevel < 2 [L76] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L212] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L218] tmp___0 = __VERIFIER_nondet_int() [L220] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L222] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L87] COND FALSE !(\read(methaneLevelCritical)) [L90] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L222] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L228] tmp___2 = __VERIFIER_nondet_int() [L230] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L245] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L267] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L274] COND TRUE \read(systemActive) [L276] CALL processEnvironment() [L296] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L299] COND TRUE ! pumpRunning [L301] CALL, EXPR isHighWaterLevel() [L393] int retValue_acc ; [L394] int tmp ; [L395] int tmp___0 ; [L399] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L140] COND FALSE !(waterLevel < 2) [L144] retValue_acc = 0 [L145] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L399] RET, EXPR isHighWaterSensorDry() [L399] tmp = isHighWaterSensorDry() [L401] COND FALSE !(\read(tmp)) [L404] tmp___0 = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp___0=1, waterLevel=2] [L406] retValue_acc = tmp___0 [L407] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L301] RET, EXPR isHighWaterLevel() [L301] tmp = isHighWaterLevel() [L303] COND TRUE \read(tmp) [L305] CALL activatePump() [L324] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L305] RET activatePump() [L276] RET processEnvironment() [L282] CALL __utac_acc__Specification1_spec__1() [L162] int tmp ; [L163] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L167] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L167] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L167] tmp = isMethaneLevelCritical() [L169] COND TRUE \read(tmp) [L171] CALL, EXPR isPumpRunning() [L348] int retValue_acc ; [L351] retValue_acc = pumpRunning [L352] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L171] RET, EXPR isPumpRunning() [L171] tmp___0 = isPumpRunning() [L173] COND TRUE \read(tmp___0) [L175] CALL __automaton_fail() [L155] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 321 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 311 mSDsluCounter, 1744 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1051 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 200 IncrementalHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 693 mSDtfsCounter, 200 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=677occurred in iteration=9, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 17 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 337 NumberOfCodeBlocks, 337 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 527 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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! [2024-11-08 18:21:10,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0243ee9f-1a9f-4e39-80a2-48d91fd0dc9f/bin/uautomizer-verify-jihMAELWvX/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