./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c23c13b-08af-4200-894e-ff551bdc6d7d/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c23c13b-08af-4200-894e-ff551bdc6d7d/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c23c13b-08af-4200-894e-ff551bdc6d7d/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c23c13b-08af-4200-894e-ff551bdc6d7d/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c23c13b-08af-4200-894e-ff551bdc6d7d/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c23c13b-08af-4200-894e-ff551bdc6d7d/bin/uautomizer-verify-VRDe98Ueme --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 88ff815406ee05bb7be24dfe33a6433686b8428d0ee44eba6801f1c0f5610c0a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:03:25,681 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:03:25,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c23c13b-08af-4200-894e-ff551bdc6d7d/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 12:03:25,801 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:03:25,802 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:03:25,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:03:25,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:03:25,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:03:25,840 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:03:25,841 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:03:25,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:03:25,842 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:03:25,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:03:25,843 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:03:25,844 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:03:25,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:03:25,847 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:03:25,850 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:03:25,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:03:25,851 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:03:25,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:03:25,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:03:25,854 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:03:25,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:03:25,855 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:03:25,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:03:25,856 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:03:25,857 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:03:25,857 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:03:25,857 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:03:25,859 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:03:25,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:03:25,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:03:25,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:03:25,860 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:03:25,860 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:03:25,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:03:25,861 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:03:25,861 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:03:25,861 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:03:25,861 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:03:25,862 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:03:25,862 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_6c23c13b-08af-4200-894e-ff551bdc6d7d/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c23c13b-08af-4200-894e-ff551bdc6d7d/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88ff815406ee05bb7be24dfe33a6433686b8428d0ee44eba6801f1c0f5610c0a [2023-11-26 12:03:26,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:03:26,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:03:26,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:03:26,263 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:03:26,264 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:03:26,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c23c13b-08af-4200-894e-ff551bdc6d7d/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2023-11-26 12:03:29,320 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:03:29,678 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:03:29,678 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c23c13b-08af-4200-894e-ff551bdc6d7d/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2023-11-26 12:03:29,710 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c23c13b-08af-4200-894e-ff551bdc6d7d/bin/uautomizer-verify-VRDe98Ueme/data/a8cda0543/ffa3acd8dfec489abeeb300ea0a7d18d/FLAGacf950e6c [2023-11-26 12:03:29,727 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c23c13b-08af-4200-894e-ff551bdc6d7d/bin/uautomizer-verify-VRDe98Ueme/data/a8cda0543/ffa3acd8dfec489abeeb300ea0a7d18d [2023-11-26 12:03:29,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:03:29,734 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:03:29,739 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:03:29,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:03:29,745 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:03:29,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:29" (1/1) ... [2023-11-26 12:03:29,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2748449a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:29, skipping insertion in model container [2023-11-26 12:03:29,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:29" (1/1) ... [2023-11-26 12:03:29,820 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:03:30,194 WARN L240 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_6c23c13b-08af-4200-894e-ff551bdc6d7d/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c[14660,14673] [2023-11-26 12:03:30,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:03:30,244 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:03:30,255 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-11-26 12:03:30,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [415] [2023-11-26 12:03:30,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [457] [2023-11-26 12:03:30,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [562] [2023-11-26 12:03:30,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [655] [2023-11-26 12:03:30,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [664] [2023-11-26 12:03:30,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [699] [2023-11-26 12:03:30,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [879] [2023-11-26 12:03:30,337 WARN L240 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_6c23c13b-08af-4200-894e-ff551bdc6d7d/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c[14660,14673] [2023-11-26 12:03:30,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:03:30,368 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:03:30,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:30 WrapperNode [2023-11-26 12:03:30,368 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:03:30,369 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:03:30,369 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:03:30,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:03:30,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:30" (1/1) ... [2023-11-26 12:03:30,392 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:30" (1/1) ... [2023-11-26 12:03:30,418 INFO L138 Inliner]: procedures = 54, calls = 98, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 186 [2023-11-26 12:03:30,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:03:30,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:03:30,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:03:30,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:03:30,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:30" (1/1) ... [2023-11-26 12:03:30,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:30" (1/1) ... [2023-11-26 12:03:30,435 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:30" (1/1) ... [2023-11-26 12:03:30,477 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]. [2023-11-26 12:03:30,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:30" (1/1) ... [2023-11-26 12:03:30,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:30" (1/1) ... [2023-11-26 12:03:30,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:30" (1/1) ... [2023-11-26 12:03:30,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:30" (1/1) ... [2023-11-26 12:03:30,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:30" (1/1) ... [2023-11-26 12:03:30,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:30" (1/1) ... [2023-11-26 12:03:30,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:03:30,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:03:30,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:03:30,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:03:30,531 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:30" (1/1) ... [2023-11-26 12:03:30,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:03:30,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c23c13b-08af-4200-894e-ff551bdc6d7d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:30,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c23c13b-08af-4200-894e-ff551bdc6d7d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:03:30,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c23c13b-08af-4200-894e-ff551bdc6d7d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:03:30,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:03:30,640 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-26 12:03:30,641 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-26 12:03:30,641 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-26 12:03:30,641 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-26 12:03:30,641 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-26 12:03:30,641 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-26 12:03:30,641 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-26 12:03:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-26 12:03:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-26 12:03:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-26 12:03:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-26 12:03:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-26 12:03:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-26 12:03:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-26 12:03:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:03:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-26 12:03:30,645 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-26 12:03:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:03:30,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:03:30,750 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:03:30,754 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:03:31,053 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:03:31,163 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:03:31,164 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 12:03:31,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:03:31 BoogieIcfgContainer [2023-11-26 12:03:31,164 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:03:31,167 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:03:31,167 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:03:31,170 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:03:31,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:03:29" (1/3) ... [2023-11-26 12:03:31,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e17949b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:03:31, skipping insertion in model container [2023-11-26 12:03:31,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:30" (2/3) ... [2023-11-26 12:03:31,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e17949b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:03:31, skipping insertion in model container [2023-11-26 12:03:31,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:03:31" (3/3) ... [2023-11-26 12:03:31,173 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product21.cil.c [2023-11-26 12:03:31,192 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:03:31,192 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:03:31,243 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:03:31,250 INFO L357 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, mHoare=true, 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;@28d3c1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:03:31,250 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:03:31,255 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 46 states have (on average 1.5434782608695652) internal successors, (71), 54 states have internal predecessors, (71), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-26 12:03:31,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-26 12:03:31,265 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:31,265 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:31,266 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:31,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:31,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1912281793, now seen corresponding path program 1 times [2023-11-26 12:03:31,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:31,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973569692] [2023-11-26 12:03:31,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:31,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:31,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-26 12:03:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:31,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:03:31,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:03:31,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973569692] [2023-11-26 12:03:31,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973569692] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:03:31,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:03:31,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:03:31,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412938384] [2023-11-26 12:03:31,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:31,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 12:03:31,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:03:31,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:03:31,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:03:31,504 INFO L87 Difference]: Start difference. First operand has 70 states, 46 states have (on average 1.5434782608695652) internal successors, (71), 54 states have internal predecessors, (71), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2023-11-26 12:03:31,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:31,599 INFO L93 Difference]: Finished difference Result 138 states and 199 transitions. [2023-11-26 12:03:31,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:03:31,602 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 17 [2023-11-26 12:03:31,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:03:31,619 INFO L225 Difference]: With dead ends: 138 [2023-11-26 12:03:31,619 INFO L226 Difference]: Without dead ends: 65 [2023-11-26 12:03:31,623 INFO L412 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 [2023-11-26 12:03:31,627 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:03:31,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:03:31,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-26 12:03:31,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-26 12:03:31,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 50 states have internal predecessors, (61), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-26 12:03:31,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 88 transitions. [2023-11-26 12:03:31,675 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 88 transitions. Word has length 17 [2023-11-26 12:03:31,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:03:31,675 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 88 transitions. [2023-11-26 12:03:31,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2023-11-26 12:03:31,676 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2023-11-26 12:03:31,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-26 12:03:31,678 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:31,679 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:31,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 12:03:31,679 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:31,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:31,680 INFO L85 PathProgramCache]: Analyzing trace with hash -399149757, now seen corresponding path program 1 times [2023-11-26 12:03:31,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:31,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801323234] [2023-11-26 12:03:31,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:31,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:31,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 12:03:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:31,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:03:31,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:03:31,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801323234] [2023-11-26 12:03:31,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801323234] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:03:31,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:03:31,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:03:31,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809561208] [2023-11-26 12:03:31,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:31,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:03:31,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:03:31,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:03:31,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:03:31,842 INFO L87 Difference]: Start difference. First operand 65 states and 88 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-11-26 12:03:31,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:31,889 INFO L93 Difference]: Finished difference Result 103 states and 139 transitions. [2023-11-26 12:03:31,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:03:31,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 18 [2023-11-26 12:03:31,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:03:31,892 INFO L225 Difference]: With dead ends: 103 [2023-11-26 12:03:31,892 INFO L226 Difference]: Without dead ends: 57 [2023-11-26 12:03:31,893 INFO L412 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 [2023-11-26 12:03:31,895 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 11 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 120 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 [2023-11-26 12:03:31,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 120 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:03:31,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-26 12:03:31,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-26 12:03:31,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-26 12:03:31,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2023-11-26 12:03:31,906 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 18 [2023-11-26 12:03:31,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:03:31,907 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2023-11-26 12:03:31,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-11-26 12:03:31,907 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2023-11-26 12:03:31,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-26 12:03:31,909 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:31,909 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:31,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 12:03:31,909 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:31,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:31,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1430962415, now seen corresponding path program 1 times [2023-11-26 12:03:31,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:31,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618498228] [2023-11-26 12:03:31,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:31,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:32,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 12:03:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:32,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:03:32,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:03:32,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618498228] [2023-11-26 12:03:32,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618498228] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:03:32,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:03:32,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:03:32,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198863788] [2023-11-26 12:03:32,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:32,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:03:32,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:03:32,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:03:32,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:03:32,118 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2023-11-26 12:03:32,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:32,268 INFO L93 Difference]: Finished difference Result 112 states and 153 transitions. [2023-11-26 12:03:32,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:03:32,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 21 [2023-11-26 12:03:32,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:03:32,271 INFO L225 Difference]: With dead ends: 112 [2023-11-26 12:03:32,271 INFO L226 Difference]: Without dead ends: 57 [2023-11-26 12:03:32,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:03:32,276 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 76 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:03:32,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 94 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:03:32,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-26 12:03:32,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-26 12:03:32,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 45 states have internal predecessors, (54), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-26 12:03:32,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 76 transitions. [2023-11-26 12:03:32,297 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 76 transitions. Word has length 21 [2023-11-26 12:03:32,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:03:32,297 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 76 transitions. [2023-11-26 12:03:32,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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) [2023-11-26 12:03:32,298 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-26 12:03:32,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-26 12:03:32,299 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:32,300 INFO L195 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] [2023-11-26 12:03:32,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 12:03:32,300 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:32,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:32,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1196437918, now seen corresponding path program 1 times [2023-11-26 12:03:32,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:32,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078111376] [2023-11-26 12:03:32,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:32,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:32,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 12:03:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:32,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:03:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:32,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-26 12:03:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:32,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:03:32,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:03:32,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078111376] [2023-11-26 12:03:32,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078111376] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:03:32,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:03:32,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:03:32,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860144896] [2023-11-26 12:03:32,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:32,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:03:32,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:03:32,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:03:32,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:03:32,434 INFO L87 Difference]: Start difference. First operand 57 states and 76 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-26 12:03:32,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:32,679 INFO L93 Difference]: Finished difference Result 136 states and 187 transitions. [2023-11-26 12:03:32,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:03:32,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2023-11-26 12:03:32,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:03:32,689 INFO L225 Difference]: With dead ends: 136 [2023-11-26 12:03:32,689 INFO L226 Difference]: Without dead ends: 134 [2023-11-26 12:03:32,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:03:32,699 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 117 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:03:32,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 115 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 12:03:32,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-11-26 12:03:32,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 110. [2023-11-26 12:03:32,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 86 states have internal predecessors, (104), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (24), 14 states have call predecessors, (24), 22 states have call successors, (24) [2023-11-26 12:03:32,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 150 transitions. [2023-11-26 12:03:32,751 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 150 transitions. Word has length 31 [2023-11-26 12:03:32,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:03:32,752 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 150 transitions. [2023-11-26 12:03:32,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-26 12:03:32,752 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 150 transitions. [2023-11-26 12:03:32,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-26 12:03:32,755 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:03:32,756 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:32,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 12:03:32,756 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:03:32,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:32,757 INFO L85 PathProgramCache]: Analyzing trace with hash -605403523, now seen corresponding path program 1 times [2023-11-26 12:03:32,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:32,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214119468] [2023-11-26 12:03:32,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:32,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:32,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-26 12:03:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:32,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-26 12:03:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:32,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:03:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:32,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 12:03:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:32,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-26 12:03:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:32,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:03:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:32,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-26 12:03:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:32,979 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-26 12:03:32,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:03:32,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214119468] [2023-11-26 12:03:32,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214119468] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:03:32,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171076008] [2023-11-26 12:03:32,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:32,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:03:32,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c23c13b-08af-4200-894e-ff551bdc6d7d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:03:32,987 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c23c13b-08af-4200-894e-ff551bdc6d7d/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:03:32,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c23c13b-08af-4200-894e-ff551bdc6d7d/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 12:03:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:33,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 12:03:33,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:03:33,238 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:03:33,239 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:03:33,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171076008] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:03:33,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:03:33,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2023-11-26 12:03:33,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325180267] [2023-11-26 12:03:33,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:33,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:03:33,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:03:33,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:03:33,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-11-26 12:03:33,242 INFO L87 Difference]: Start difference. First operand 110 states and 150 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-26 12:03:33,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:03:33,287 INFO L93 Difference]: Finished difference Result 149 states and 203 transitions. [2023-11-26 12:03:33,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:03:33,289 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) Word has length 61 [2023-11-26 12:03:33,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:03:33,289 INFO L225 Difference]: With dead ends: 149 [2023-11-26 12:03:33,289 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 12:03:33,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-26 12:03:33,292 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 35 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:03:33,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 73 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:03:33,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 12:03:33,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 12:03:33,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:33,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 12:03:33,294 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2023-11-26 12:03:33,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:03:33,295 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 12:03:33,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-26 12:03:33,295 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 12:03:33,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 12:03:33,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 12:03:33,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c23c13b-08af-4200-894e-ff551bdc6d7d/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 12:03:33,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c23c13b-08af-4200-894e-ff551bdc6d7d/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:03:33,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 12:03:33,767 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 796 803) no Hoare annotation was computed. [2023-11-26 12:03:33,767 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 796 803) the Hoare annotation is: true [2023-11-26 12:03:33,768 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 729 735) no Hoare annotation was computed. [2023-11-26 12:03:33,768 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 729 735) the Hoare annotation is: true [2023-11-26 12:03:33,768 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 593 604) the Hoare annotation is: true [2023-11-26 12:03:33,768 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 593 604) no Hoare annotation was computed. [2023-11-26 12:03:33,768 INFO L899 garLoopResultBuilder]: For program point L597-1(lines 593 604) no Hoare annotation was computed. [2023-11-26 12:03:33,769 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 450) no Hoare annotation was computed. [2023-11-26 12:03:33,769 INFO L899 garLoopResultBuilder]: For program point L436(lines 436 453) no Hoare annotation was computed. [2023-11-26 12:03:33,769 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 428 456) no Hoare annotation was computed. [2023-11-26 12:03:33,770 INFO L899 garLoopResultBuilder]: For program point L709-1(lines 708 727) no Hoare annotation was computed. [2023-11-26 12:03:33,770 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 779) no Hoare annotation was computed. [2023-11-26 12:03:33,771 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 784) no Hoare annotation was computed. [2023-11-26 12:03:33,771 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 577) no Hoare annotation was computed. [2023-11-26 12:03:33,771 INFO L899 garLoopResultBuilder]: For program point L573-2(lines 569 580) no Hoare annotation was computed. [2023-11-26 12:03:33,772 INFO L899 garLoopResultBuilder]: For program point L441(lines 441 447) no Hoare annotation was computed. [2023-11-26 12:03:33,773 INFO L899 garLoopResultBuilder]: For program point L660(line 660) no Hoare annotation was computed. [2023-11-26 12:03:33,773 INFO L895 garLoopResultBuilder]: At program point L809(line 809) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (= 0 ~systemActive~0)) [2023-11-26 12:03:33,774 INFO L899 garLoopResultBuilder]: For program point L809-1(line 809) no Hoare annotation was computed. [2023-11-26 12:03:33,774 INFO L895 garLoopResultBuilder]: At program point L434(line 434) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (= 0 ~systemActive~0) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0))) [2023-11-26 12:03:33,774 INFO L899 garLoopResultBuilder]: For program point L434-1(line 434) no Hoare annotation was computed. [2023-11-26 12:03:33,776 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 705 728) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (= 0 ~systemActive~0) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0))) [2023-11-26 12:03:33,777 INFO L895 garLoopResultBuilder]: At program point L777(line 777) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (= 0 ~systemActive~0)) [2023-11-26 12:03:33,777 INFO L895 garLoopResultBuilder]: At program point L773(line 773) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (= 0 ~systemActive~0)) [2023-11-26 12:03:33,777 INFO L895 garLoopResultBuilder]: At program point L782(line 782) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (= 0 ~systemActive~0) (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0))) [2023-11-26 12:03:33,778 INFO L899 garLoopResultBuilder]: For program point L782-1(lines 763 787) no Hoare annotation was computed. [2023-11-26 12:03:33,778 INFO L899 garLoopResultBuilder]: For program point L716-1(lines 716 722) no Hoare annotation was computed. [2023-11-26 12:03:33,778 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 705 728) no Hoare annotation was computed. [2023-11-26 12:03:33,778 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 660) no Hoare annotation was computed. [2023-11-26 12:03:33,778 INFO L899 garLoopResultBuilder]: For program point L481(line 481) no Hoare annotation was computed. [2023-11-26 12:03:33,779 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 460 489) no Hoare annotation was computed. [2023-11-26 12:03:33,779 INFO L899 garLoopResultBuilder]: For program point L474(lines 474 478) no Hoare annotation was computed. [2023-11-26 12:03:33,779 INFO L902 garLoopResultBuilder]: At program point L474-1(lines 474 478) the Hoare annotation is: true [2023-11-26 12:03:33,780 INFO L902 garLoopResultBuilder]: At program point L470-2(lines 470 484) the Hoare annotation is: true [2023-11-26 12:03:33,781 INFO L902 garLoopResultBuilder]: At program point L466(line 466) the Hoare annotation is: true [2023-11-26 12:03:33,781 INFO L899 garLoopResultBuilder]: For program point L466-1(line 466) no Hoare annotation was computed. [2023-11-26 12:03:33,782 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 460 489) the Hoare annotation is: true [2023-11-26 12:03:33,782 INFO L899 garLoopResultBuilder]: For program point L485(lines 460 489) no Hoare annotation was computed. [2023-11-26 12:03:33,782 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 605 613) the Hoare annotation is: true [2023-11-26 12:03:33,782 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 605 613) no Hoare annotation was computed. [2023-11-26 12:03:33,782 INFO L895 garLoopResultBuilder]: At program point L936(lines 889 937) the Hoare annotation is: false [2023-11-26 12:03:33,783 INFO L899 garLoopResultBuilder]: For program point L891(lines 890 935) no Hoare annotation was computed. [2023-11-26 12:03:33,783 INFO L899 garLoopResultBuilder]: For program point L920(lines 920 931) no Hoare annotation was computed. [2023-11-26 12:03:33,783 INFO L895 garLoopResultBuilder]: At program point L912(line 912) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0) (not (= 0 ~systemActive~0))) [2023-11-26 12:03:33,783 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 556) no Hoare annotation was computed. [2023-11-26 12:03:33,786 INFO L895 garLoopResultBuilder]: At program point L933(lines 890 935) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0) (not (= 0 ~systemActive~0))) [2023-11-26 12:03:33,786 INFO L899 garLoopResultBuilder]: For program point L900(lines 900 906) no Hoare annotation was computed. [2023-11-26 12:03:33,786 INFO L899 garLoopResultBuilder]: For program point L900-1(lines 900 906) no Hoare annotation was computed. [2023-11-26 12:03:33,786 INFO L899 garLoopResultBuilder]: For program point L549-2(lines 549 556) no Hoare annotation was computed. [2023-11-26 12:03:33,787 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 12:03:33,787 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 12:03:33,787 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 930) no Hoare annotation was computed. [2023-11-26 12:03:33,787 INFO L895 garLoopResultBuilder]: At program point L926-2(lines 920 931) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0) (not (= 0 ~systemActive~0))) [2023-11-26 12:03:33,787 INFO L899 garLoopResultBuilder]: For program point L910(lines 910 916) no Hoare annotation was computed. [2023-11-26 12:03:33,788 INFO L899 garLoopResultBuilder]: For program point L910-1(lines 910 916) no Hoare annotation was computed. [2023-11-26 12:03:33,788 INFO L899 garLoopResultBuilder]: For program point L939(lines 880 943) no Hoare annotation was computed. [2023-11-26 12:03:33,788 INFO L895 garLoopResultBuilder]: At program point L902(line 902) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0) (not (= 0 ~systemActive~0))) [2023-11-26 12:03:33,788 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 581 592) no Hoare annotation was computed. [2023-11-26 12:03:33,788 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 581 592) the Hoare annotation is: true [2023-11-26 12:03:33,789 INFO L899 garLoopResultBuilder]: For program point L585-1(lines 581 592) no Hoare annotation was computed. [2023-11-26 12:03:33,789 INFO L895 garLoopResultBuilder]: At program point L756(line 756) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0) (not (= ~methAndRunningLastTime~0 0))) [2023-11-26 12:03:33,789 INFO L899 garLoopResultBuilder]: For program point L756-1(lines 737 761) no Hoare annotation was computed. [2023-11-26 12:03:33,789 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 737 761) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0) (not (= ~methAndRunningLastTime~0 0))) [2023-11-26 12:03:33,789 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 737 761) no Hoare annotation was computed. [2023-11-26 12:03:33,790 INFO L895 garLoopResultBuilder]: At program point L751(line 751) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0) (not (= ~methAndRunningLastTime~0 0))) [2023-11-26 12:03:33,790 INFO L895 garLoopResultBuilder]: At program point L747(line 747) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0) (not (= ~methAndRunningLastTime~0 0))) [2023-11-26 12:03:33,790 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 753) no Hoare annotation was computed. [2023-11-26 12:03:33,790 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 758) no Hoare annotation was computed. [2023-11-26 12:03:33,790 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 873) no Hoare annotation was computed. [2023-11-26 12:03:33,790 INFO L899 garLoopResultBuilder]: For program point L869-2(lines 869 873) no Hoare annotation was computed. [2023-11-26 12:03:33,794 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-26 12:03:33,796 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 12:03:33,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:03:33 BoogieIcfgContainer [2023-11-26 12:03:33,811 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:03:33,812 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:03:33,812 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:03:33,812 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:03:33,813 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:03:31" (3/4) ... [2023-11-26 12:03:33,815 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 12:03:33,819 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-26 12:03:33,819 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-26 12:03:33,819 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-26 12:03:33,819 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-26 12:03:33,820 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-26 12:03:33,820 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-26 12:03:33,820 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-26 12:03:33,820 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2023-11-26 12:03:33,831 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2023-11-26 12:03:33,832 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-26 12:03:33,832 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-26 12:03:33,833 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 12:03:33,833 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 12:03:33,976 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c23c13b-08af-4200-894e-ff551bdc6d7d/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 12:03:33,977 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c23c13b-08af-4200-894e-ff551bdc6d7d/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 12:03:33,977 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:03:33,978 INFO L158 Benchmark]: Toolchain (without parser) took 4243.35ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 112.2MB in the beginning and 107.0MB in the end (delta: 5.2MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2023-11-26 12:03:33,978 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:03:33,978 INFO L158 Benchmark]: CACSL2BoogieTranslator took 629.46ms. Allocated memory is still 144.7MB. Free memory was 112.2MB in the beginning and 92.8MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 12:03:33,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.62ms. Allocated memory is still 144.7MB. Free memory was 92.8MB in the beginning and 90.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:03:33,979 INFO L158 Benchmark]: Boogie Preprocessor took 109.21ms. Allocated memory is still 144.7MB. Free memory was 90.7MB in the beginning and 114.2MB in the end (delta: -23.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:03:33,980 INFO L158 Benchmark]: RCFGBuilder took 634.84ms. Allocated memory is still 144.7MB. Free memory was 114.2MB in the beginning and 93.0MB in the end (delta: 21.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 12:03:33,986 INFO L158 Benchmark]: TraceAbstraction took 2644.70ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 92.2MB in the beginning and 114.7MB in the end (delta: -22.5MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-11-26 12:03:33,986 INFO L158 Benchmark]: Witness Printer took 165.15ms. Allocated memory is still 174.1MB. Free memory was 114.7MB in the beginning and 107.0MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 12:03:33,989 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 629.46ms. Allocated memory is still 144.7MB. Free memory was 112.2MB in the beginning and 92.8MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.62ms. Allocated memory is still 144.7MB. Free memory was 92.8MB in the beginning and 90.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.21ms. Allocated memory is still 144.7MB. Free memory was 90.7MB in the beginning and 114.2MB in the end (delta: -23.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 634.84ms. Allocated memory is still 144.7MB. Free memory was 114.2MB in the beginning and 93.0MB in the end (delta: 21.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2644.70ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 92.2MB in the beginning and 114.7MB in the end (delta: -22.5MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Witness Printer took 165.15ms. Allocated memory is still 174.1MB. Free memory was 114.7MB in the beginning and 107.0MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [415] - GenericResultAtLocation [Line: 457]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [457] - GenericResultAtLocation [Line: 562]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [562] - GenericResultAtLocation [Line: 655]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [655] - GenericResultAtLocation [Line: 664]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [664] - GenericResultAtLocation [Line: 699]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [699] - GenericResultAtLocation [Line: 879]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [879] * 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 - PositiveResult [Line: 660]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 248 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 239 mSDsluCounter, 483 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 185 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 174 IncrementalHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 298 mSDtfsCounter, 174 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=4, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 24 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 153 PreInvPairs, 159 NumberOfFragments, 225 HoareAnnotationTreeSize, 153 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 141 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 203 ConstructedInterpolants, 0 QuantifiedInterpolants, 354 SizeOfPredicates, 2 NumberOfNonLiveVariables, 242 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 55/56 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (splverifierCounter == 0)) && (tmp == systemActive)) && !((0 == systemActive))) - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-26 12:03:34,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c23c13b-08af-4200-894e-ff551bdc6d7d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE