./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.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_8bb46547-5961-44af-9a84-44f88e8a5bbb/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/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_8bb46547-5961-44af-9a84-44f88e8a5bbb/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/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_8bb46547-5961-44af-9a84-44f88e8a5bbb/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 68cd47586ea836a40d34f69dc7bca714ffc0af5c5bf2f7fbd8cfbbd6f1019685 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:05:37,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:05:37,255 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 12:05:37,260 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:05:37,261 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:05:37,306 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:05:37,307 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:05:37,308 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:05:37,309 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:05:37,314 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:05:37,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:05:37,316 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:05:37,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:05:37,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:05:37,319 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:05:37,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:05:37,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:05:37,320 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:05:37,321 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:05:37,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:05:37,322 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:05:37,322 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:05:37,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:05:37,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:05:37,324 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:05:37,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:05:37,325 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:05:37,326 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:05:37,326 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:05:37,327 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:05:37,328 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:05:37,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:05:37,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:05:37,329 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:05:37,329 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:05:37,329 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:05:37,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:05:37,330 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:05:37,330 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:05:37,330 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:05:37,331 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:05:37,331 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:05:37,331 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_8bb46547-5961-44af-9a84-44f88e8a5bbb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68cd47586ea836a40d34f69dc7bca714ffc0af5c5bf2f7fbd8cfbbd6f1019685 [2023-11-26 12:05:37,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:05:37,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:05:37,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:05:37,687 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:05:37,689 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:05:37,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2023-11-26 12:05:40,828 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:05:41,154 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:05:41,155 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2023-11-26 12:05:41,175 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/bin/uautomizer-verify-VRDe98Ueme/data/8f39d54ad/ab15a7793fb94e4bad65f18e7740b64e/FLAGf78027d6a [2023-11-26 12:05:41,195 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/bin/uautomizer-verify-VRDe98Ueme/data/8f39d54ad/ab15a7793fb94e4bad65f18e7740b64e [2023-11-26 12:05:41,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:05:41,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:05:41,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:05:41,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:05:41,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:05:41,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:05:41" (1/1) ... [2023-11-26 12:05:41,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e838dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:41, skipping insertion in model container [2023-11-26 12:05:41,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:05:41" (1/1) ... [2023-11-26 12:05:41,288 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:05:41,506 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_8bb46547-5961-44af-9a84-44f88e8a5bbb/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c[9171,9184] [2023-11-26 12:05:41,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:05:41,623 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:05:41,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-26 12:05:41,637 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [87] [2023-11-26 12:05:41,637 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [116] [2023-11-26 12:05:41,637 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [188] [2023-11-26 12:05:41,638 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [426] [2023-11-26 12:05:41,638 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [522] [2023-11-26 12:05:41,638 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [625] [2023-11-26 12:05:41,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [634] [2023-11-26 12:05:41,680 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_8bb46547-5961-44af-9a84-44f88e8a5bbb/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c[9171,9184] [2023-11-26 12:05:41,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:05:41,738 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:05:41,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:41 WrapperNode [2023-11-26 12:05:41,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:05:41,739 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:05:41,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:05:41,739 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:05:41,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:41" (1/1) ... [2023-11-26 12:05:41,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:41" (1/1) ... [2023-11-26 12:05:41,810 INFO L138 Inliner]: procedures = 57, calls = 102, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 230 [2023-11-26 12:05:41,810 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:05:41,811 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:05:41,811 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:05:41,812 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:05:41,824 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:41" (1/1) ... [2023-11-26 12:05:41,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:41" (1/1) ... [2023-11-26 12:05:41,827 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:41" (1/1) ... [2023-11-26 12:05:41,844 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 12:05:41,844 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:41" (1/1) ... [2023-11-26 12:05:41,844 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:41" (1/1) ... [2023-11-26 12:05:41,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:41" (1/1) ... [2023-11-26 12:05:41,865 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:41" (1/1) ... [2023-11-26 12:05:41,866 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:41" (1/1) ... [2023-11-26 12:05:41,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:41" (1/1) ... [2023-11-26 12:05:41,871 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:05:41,872 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:05:41,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:05:41,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:05:41,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:41" (1/1) ... [2023-11-26 12:05:41,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:05:41,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:41,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:05:41,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:05:41,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:05:41,969 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-26 12:05:41,969 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-26 12:05:41,969 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-26 12:05:41,969 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-26 12:05:41,970 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-26 12:05:41,970 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-26 12:05:41,970 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-26 12:05:41,970 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-26 12:05:41,970 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-26 12:05:41,971 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-26 12:05:41,971 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-26 12:05:41,972 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-26 12:05:41,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:05:41,972 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-26 12:05:41,972 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-26 12:05:41,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:05:41,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:05:42,111 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:05:42,115 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:05:42,450 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:05:42,534 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:05:42,534 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 12:05:42,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:42 BoogieIcfgContainer [2023-11-26 12:05:42,535 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:05:42,538 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:05:42,539 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:05:42,543 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:05:42,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:05:41" (1/3) ... [2023-11-26 12:05:42,544 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d7d122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:05:42, skipping insertion in model container [2023-11-26 12:05:42,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:41" (2/3) ... [2023-11-26 12:05:42,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d7d122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:05:42, skipping insertion in model container [2023-11-26 12:05:42,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:42" (3/3) ... [2023-11-26 12:05:42,547 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2023-11-26 12:05:42,570 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:05:42,570 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:05:42,637 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:05:42,645 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;@20448d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:05:42,645 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:05:42,650 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 50 states have (on average 1.56) internal successors, (78), 59 states have internal predecessors, (78), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 12:05:42,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-26 12:05:42,661 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:42,661 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:42,662 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:42,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:42,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1515543352, now seen corresponding path program 1 times [2023-11-26 12:05:42,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:42,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508437142] [2023-11-26 12:05:42,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:42,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:42,865 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 12:05:42,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:42,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508437142] [2023-11-26 12:05:42,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508437142] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:42,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:42,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:42,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38356129] [2023-11-26 12:05:42,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:42,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 12:05:42,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:42,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:05:42,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:05:42,913 INFO L87 Difference]: Start difference. First operand has 71 states, 50 states have (on average 1.56) internal successors, (78), 59 states have internal predecessors, (78), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:42,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:42,983 INFO L93 Difference]: Finished difference Result 140 states and 205 transitions. [2023-11-26 12:05:42,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:05:42,985 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-26 12:05:42,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:42,996 INFO L225 Difference]: With dead ends: 140 [2023-11-26 12:05:42,996 INFO L226 Difference]: Without dead ends: 66 [2023-11-26 12:05:43,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:05:43,005 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:43,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:05:43,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-26 12:05:43,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-26 12:05:43,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 47 states have (on average 1.446808510638298) internal successors, (68), 55 states have internal predecessors, (68), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-26 12:05:43,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 91 transitions. [2023-11-26 12:05:43,092 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 91 transitions. Word has length 12 [2023-11-26 12:05:43,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:43,092 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 91 transitions. [2023-11-26 12:05:43,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:43,093 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2023-11-26 12:05:43,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-26 12:05:43,095 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:43,095 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:43,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 12:05:43,096 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:43,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:43,131 INFO L85 PathProgramCache]: Analyzing trace with hash -411182921, now seen corresponding path program 1 times [2023-11-26 12:05:43,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:43,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874500209] [2023-11-26 12:05:43,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:43,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:43,305 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 12:05:43,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:43,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874500209] [2023-11-26 12:05:43,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874500209] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:43,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:43,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:05:43,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278288083] [2023-11-26 12:05:43,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:43,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:43,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:43,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:43,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:43,315 INFO L87 Difference]: Start difference. First operand 66 states and 91 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:43,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:43,388 INFO L93 Difference]: Finished difference Result 102 states and 140 transitions. [2023-11-26 12:05:43,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:43,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-26 12:05:43,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:43,391 INFO L225 Difference]: With dead ends: 102 [2023-11-26 12:05:43,391 INFO L226 Difference]: Without dead ends: 58 [2023-11-26 12:05:43,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 12:05:43,394 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 14 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:43,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 117 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:05:43,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-26 12:05:43,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-26 12:05:43,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 42 states have (on average 1.4761904761904763) internal successors, (62), 50 states have internal predecessors, (62), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-26 12:05:43,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 80 transitions. [2023-11-26 12:05:43,407 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 80 transitions. Word has length 13 [2023-11-26 12:05:43,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:43,407 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 80 transitions. [2023-11-26 12:05:43,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:43,408 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2023-11-26 12:05:43,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-26 12:05:43,409 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:43,409 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:43,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 12:05:43,410 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:43,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:43,411 INFO L85 PathProgramCache]: Analyzing trace with hash -664998067, now seen corresponding path program 1 times [2023-11-26 12:05:43,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:43,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118864549] [2023-11-26 12:05:43,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:43,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:43,601 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 12:05:43,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:43,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118864549] [2023-11-26 12:05:43,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118864549] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:43,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:43,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:05:43,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063727419] [2023-11-26 12:05:43,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:43,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:05:43,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:43,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:05:43,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:05:43,607 INFO L87 Difference]: Start difference. First operand 58 states and 80 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:43,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:43,803 INFO L93 Difference]: Finished difference Result 161 states and 228 transitions. [2023-11-26 12:05:43,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:05:43,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-26 12:05:43,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:43,806 INFO L225 Difference]: With dead ends: 161 [2023-11-26 12:05:43,807 INFO L226 Difference]: Without dead ends: 105 [2023-11-26 12:05:43,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 12:05:43,811 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 93 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:43,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 171 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:05:43,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-11-26 12:05:43,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 88. [2023-11-26 12:05:43,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 64 states have (on average 1.484375) internal successors, (95), 75 states have internal predecessors, (95), 13 states have call successors, (13), 10 states have call predecessors, (13), 10 states have return successors, (14), 9 states have call predecessors, (14), 13 states have call successors, (14) [2023-11-26 12:05:43,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 122 transitions. [2023-11-26 12:05:43,838 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 122 transitions. Word has length 16 [2023-11-26 12:05:43,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:43,838 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 122 transitions. [2023-11-26 12:05:43,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:43,839 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 122 transitions. [2023-11-26 12:05:43,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-26 12:05:43,842 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:43,842 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:43,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 12:05:43,843 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:43,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:43,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1974418760, now seen corresponding path program 1 times [2023-11-26 12:05:43,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:43,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988945039] [2023-11-26 12:05:43,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:43,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:44,017 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 12:05:44,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:44,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988945039] [2023-11-26 12:05:44,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988945039] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:44,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:44,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:05:44,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713519130] [2023-11-26 12:05:44,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:44,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:05:44,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:44,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:05:44,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:05:44,021 INFO L87 Difference]: Start difference. First operand 88 states and 122 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:44,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:44,143 INFO L93 Difference]: Finished difference Result 250 states and 363 transitions. [2023-11-26 12:05:44,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:05:44,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-11-26 12:05:44,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:44,147 INFO L225 Difference]: With dead ends: 250 [2023-11-26 12:05:44,148 INFO L226 Difference]: Without dead ends: 164 [2023-11-26 12:05:44,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 12:05:44,151 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 54 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:44,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 187 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:05:44,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-11-26 12:05:44,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2023-11-26 12:05:44,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 119 states have (on average 1.4453781512605042) internal successors, (172), 138 states have internal predecessors, (172), 26 states have call successors, (26), 20 states have call predecessors, (26), 18 states have return successors, (31), 16 states have call predecessors, (31), 26 states have call successors, (31) [2023-11-26 12:05:44,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 229 transitions. [2023-11-26 12:05:44,197 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 229 transitions. Word has length 19 [2023-11-26 12:05:44,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:44,197 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 229 transitions. [2023-11-26 12:05:44,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:44,198 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 229 transitions. [2023-11-26 12:05:44,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-26 12:05:44,200 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:44,200 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 12:05:44,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 12:05:44,200 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:44,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:44,201 INFO L85 PathProgramCache]: Analyzing trace with hash 570910653, now seen corresponding path program 1 times [2023-11-26 12:05:44,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:44,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143036666] [2023-11-26 12:05:44,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:44,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:44,401 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 12:05:44,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:44,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143036666] [2023-11-26 12:05:44,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143036666] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:44,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:44,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:05:44,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549552895] [2023-11-26 12:05:44,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:44,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:05:44,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:44,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:05:44,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:05:44,411 INFO L87 Difference]: Start difference. First operand 164 states and 229 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:44,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:44,517 INFO L93 Difference]: Finished difference Result 373 states and 535 transitions. [2023-11-26 12:05:44,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:05:44,518 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2023-11-26 12:05:44,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:44,526 INFO L225 Difference]: With dead ends: 373 [2023-11-26 12:05:44,526 INFO L226 Difference]: Without dead ends: 211 [2023-11-26 12:05:44,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 12:05:44,537 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 46 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:44,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 180 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:05:44,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2023-11-26 12:05:44,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 206. [2023-11-26 12:05:44,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 154 states have (on average 1.3571428571428572) internal successors, (209), 170 states have internal predecessors, (209), 27 states have call successors, (27), 26 states have call predecessors, (27), 24 states have return successors, (40), 24 states have call predecessors, (40), 27 states have call successors, (40) [2023-11-26 12:05:44,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 276 transitions. [2023-11-26 12:05:44,600 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 276 transitions. Word has length 21 [2023-11-26 12:05:44,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:44,602 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 276 transitions. [2023-11-26 12:05:44,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:05:44,602 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 276 transitions. [2023-11-26 12:05:44,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-26 12:05:44,612 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:44,613 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, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:44,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 12:05:44,613 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:44,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:44,614 INFO L85 PathProgramCache]: Analyzing trace with hash 727131224, now seen corresponding path program 1 times [2023-11-26 12:05:44,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:44,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458121291] [2023-11-26 12:05:44,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:44,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:44,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:05:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:44,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-26 12:05:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:44,718 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 12:05:44,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:44,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458121291] [2023-11-26 12:05:44,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458121291] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:44,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:44,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:05:44,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472800915] [2023-11-26 12:05:44,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:44,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:05:44,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:44,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:05:44,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:05:44,721 INFO L87 Difference]: Start difference. First operand 206 states and 276 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 12:05:45,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:45,103 INFO L93 Difference]: Finished difference Result 473 states and 630 transitions. [2023-11-26 12:05:45,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 12:05:45,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2023-11-26 12:05:45,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:45,107 INFO L225 Difference]: With dead ends: 473 [2023-11-26 12:05:45,107 INFO L226 Difference]: Without dead ends: 208 [2023-11-26 12:05:45,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-26 12:05:45,111 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 134 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:45,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 174 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 12:05:45,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2023-11-26 12:05:45,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 190. [2023-11-26 12:05:45,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 142 states have (on average 1.3098591549295775) internal successors, (186), 158 states have internal predecessors, (186), 22 states have call successors, (22), 19 states have call predecessors, (22), 25 states have return successors, (41), 21 states have call predecessors, (41), 22 states have call successors, (41) [2023-11-26 12:05:45,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 249 transitions. [2023-11-26 12:05:45,165 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 249 transitions. Word has length 37 [2023-11-26 12:05:45,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:45,165 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 249 transitions. [2023-11-26 12:05:45,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 12:05:45,165 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 249 transitions. [2023-11-26 12:05:45,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-26 12:05:45,167 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:45,167 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, 1, 1, 1] [2023-11-26 12:05:45,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 12:05:45,167 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:45,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:45,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1739101113, now seen corresponding path program 1 times [2023-11-26 12:05:45,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:45,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280265921] [2023-11-26 12:05:45,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:45,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:45,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:05:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:45,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-26 12:05:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:45,328 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 12:05:45,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:45,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280265921] [2023-11-26 12:05:45,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280265921] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:45,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:45,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 12:05:45,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135654441] [2023-11-26 12:05:45,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:45,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 12:05:45,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:45,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:05:45,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:05:45,332 INFO L87 Difference]: Start difference. First operand 190 states and 249 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 5 states have internal predecessors, (29), 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) [2023-11-26 12:05:45,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:45,654 INFO L93 Difference]: Finished difference Result 408 states and 560 transitions. [2023-11-26 12:05:45,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 12:05:45,654 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 5 states have internal predecessors, (29), 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 34 [2023-11-26 12:05:45,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:45,657 INFO L225 Difference]: With dead ends: 408 [2023-11-26 12:05:45,657 INFO L226 Difference]: Without dead ends: 220 [2023-11-26 12:05:45,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-26 12:05:45,659 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 131 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:45,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 204 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 12:05:45,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2023-11-26 12:05:45,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 192. [2023-11-26 12:05:45,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 144 states have (on average 1.2986111111111112) internal successors, (187), 160 states have internal predecessors, (187), 22 states have call successors, (22), 19 states have call predecessors, (22), 25 states have return successors, (41), 21 states have call predecessors, (41), 22 states have call successors, (41) [2023-11-26 12:05:45,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 250 transitions. [2023-11-26 12:05:45,683 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 250 transitions. Word has length 34 [2023-11-26 12:05:45,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:45,684 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 250 transitions. [2023-11-26 12:05:45,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 5 states have internal predecessors, (29), 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) [2023-11-26 12:05:45,684 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 250 transitions. [2023-11-26 12:05:45,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-26 12:05:45,685 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:45,685 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, 1, 1, 1] [2023-11-26 12:05:45,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 12:05:45,686 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:45,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:45,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1480935675, now seen corresponding path program 1 times [2023-11-26 12:05:45,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:45,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516868075] [2023-11-26 12:05:45,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:45,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:45,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:05:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:45,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-26 12:05:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:45,766 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 12:05:45,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:45,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516868075] [2023-11-26 12:05:45,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516868075] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:45,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:45,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 12:05:45,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379757802] [2023-11-26 12:05:45,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:45,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:05:45,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:45,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:05:45,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:05:45,768 INFO L87 Difference]: Start difference. First operand 192 states and 250 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 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) [2023-11-26 12:05:45,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:45,995 INFO L93 Difference]: Finished difference Result 377 states and 504 transitions. [2023-11-26 12:05:45,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 12:05:45,995 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 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 34 [2023-11-26 12:05:45,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:45,999 INFO L225 Difference]: With dead ends: 377 [2023-11-26 12:05:45,999 INFO L226 Difference]: Without dead ends: 187 [2023-11-26 12:05:46,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-26 12:05:46,002 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 106 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:46,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 157 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 12:05:46,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-11-26 12:05:46,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 152. [2023-11-26 12:05:46,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 114 states have (on average 1.2894736842105263) internal successors, (147), 126 states have internal predecessors, (147), 18 states have call successors, (18), 16 states have call predecessors, (18), 19 states have return successors, (29), 16 states have call predecessors, (29), 18 states have call successors, (29) [2023-11-26 12:05:46,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 194 transitions. [2023-11-26 12:05:46,026 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 194 transitions. Word has length 34 [2023-11-26 12:05:46,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:46,026 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 194 transitions. [2023-11-26 12:05:46,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 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) [2023-11-26 12:05:46,027 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 194 transitions. [2023-11-26 12:05:46,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-26 12:05:46,028 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:46,031 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, 1, 1, 1] [2023-11-26 12:05:46,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 12:05:46,031 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:46,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:46,032 INFO L85 PathProgramCache]: Analyzing trace with hash 727983863, now seen corresponding path program 1 times [2023-11-26 12:05:46,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:46,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552755747] [2023-11-26 12:05:46,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:46,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:46,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:05:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:46,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-26 12:05:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:46,122 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 12:05:46,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:46,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552755747] [2023-11-26 12:05:46,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552755747] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:46,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:46,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 12:05:46,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332389580] [2023-11-26 12:05:46,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:46,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:05:46,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:46,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:05:46,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:05:46,124 INFO L87 Difference]: Start difference. First operand 152 states and 194 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 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) [2023-11-26 12:05:46,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:46,468 INFO L93 Difference]: Finished difference Result 349 states and 479 transitions. [2023-11-26 12:05:46,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-26 12:05:46,468 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 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 34 [2023-11-26 12:05:46,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:46,470 INFO L225 Difference]: With dead ends: 349 [2023-11-26 12:05:46,471 INFO L226 Difference]: Without dead ends: 235 [2023-11-26 12:05:46,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2023-11-26 12:05:46,472 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 151 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:46,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 217 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 12:05:46,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2023-11-26 12:05:46,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 227. [2023-11-26 12:05:46,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 170 states have (on average 1.2529411764705882) internal successors, (213), 185 states have internal predecessors, (213), 27 states have call successors, (27), 24 states have call predecessors, (27), 29 states have return successors, (56), 28 states have call predecessors, (56), 27 states have call successors, (56) [2023-11-26 12:05:46,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 296 transitions. [2023-11-26 12:05:46,498 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 296 transitions. Word has length 34 [2023-11-26 12:05:46,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:46,499 INFO L495 AbstractCegarLoop]: Abstraction has 227 states and 296 transitions. [2023-11-26 12:05:46,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 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) [2023-11-26 12:05:46,499 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 296 transitions. [2023-11-26 12:05:46,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-26 12:05:46,501 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:46,501 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-26 12:05:46,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 12:05:46,501 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:46,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:46,502 INFO L85 PathProgramCache]: Analyzing trace with hash -952453082, now seen corresponding path program 1 times [2023-11-26 12:05:46,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:46,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542179546] [2023-11-26 12:05:46,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:46,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:46,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:05:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:46,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 12:05:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:46,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-26 12:05:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:46,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-26 12:05:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:46,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:05:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:46,671 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 12:05:46,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:46,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542179546] [2023-11-26 12:05:46,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542179546] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:05:46,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725075907] [2023-11-26 12:05:46,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:46,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:46,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:46,676 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:46,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 12:05:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:46,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 12:05:46,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:46,969 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:05:46,972 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:05:47,114 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 12:05:47,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725075907] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 12:05:47,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 12:05:47,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 8 [2023-11-26 12:05:47,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580317185] [2023-11-26 12:05:47,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 12:05:47,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 12:05:47,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:47,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 12:05:47,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-26 12:05:47,118 INFO L87 Difference]: Start difference. First operand 227 states and 296 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 12:05:47,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:47,650 INFO L93 Difference]: Finished difference Result 543 states and 752 transitions. [2023-11-26 12:05:47,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-26 12:05:47,651 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 63 [2023-11-26 12:05:47,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:47,656 INFO L225 Difference]: With dead ends: 543 [2023-11-26 12:05:47,656 INFO L226 Difference]: Without dead ends: 354 [2023-11-26 12:05:47,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 135 SyntacticMatches, 6 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2023-11-26 12:05:47,658 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 286 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:47,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 243 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 12:05:47,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2023-11-26 12:05:47,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 312. [2023-11-26 12:05:47,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 231 states have (on average 1.2554112554112553) internal successors, (290), 252 states have internal predecessors, (290), 39 states have call successors, (39), 35 states have call predecessors, (39), 41 states have return successors, (85), 37 states have call predecessors, (85), 39 states have call successors, (85) [2023-11-26 12:05:47,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 414 transitions. [2023-11-26 12:05:47,698 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 414 transitions. Word has length 63 [2023-11-26 12:05:47,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:47,699 INFO L495 AbstractCegarLoop]: Abstraction has 312 states and 414 transitions. [2023-11-26 12:05:47,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 12:05:47,699 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 414 transitions. [2023-11-26 12:05:47,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-26 12:05:47,701 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:47,701 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 12:05:47,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:47,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-26 12:05:47,909 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:47,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:47,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1879918935, now seen corresponding path program 2 times [2023-11-26 12:05:47,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:47,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177166510] [2023-11-26 12:05:47,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:47,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:48,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:05:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:48,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 12:05:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:48,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-26 12:05:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:48,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 12:05:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:48,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 12:05:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:48,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:05:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:48,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-26 12:05:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:48,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:05:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:48,331 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 44 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-26 12:05:48,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:48,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177166510] [2023-11-26 12:05:48,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177166510] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 12:05:48,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272926004] [2023-11-26 12:05:48,332 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 12:05:48,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:48,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:48,333 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:48,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 12:05:48,442 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-26 12:05:48,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 12:05:48,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 12:05:48,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:48,550 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-26 12:05:48,551 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:48,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [272926004] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:48,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:05:48,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-11-26 12:05:48,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582105936] [2023-11-26 12:05:48,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:48,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:05:48,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:48,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:05:48,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-11-26 12:05:48,554 INFO L87 Difference]: Start difference. First operand 312 states and 414 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-26 12:05:48,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:48,778 INFO L93 Difference]: Finished difference Result 828 states and 1155 transitions. [2023-11-26 12:05:48,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 12:05:48,779 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 92 [2023-11-26 12:05:48,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:48,785 INFO L225 Difference]: With dead ends: 828 [2023-11-26 12:05:48,785 INFO L226 Difference]: Without dead ends: 553 [2023-11-26 12:05:48,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 103 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2023-11-26 12:05:48,788 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 95 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:48,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 313 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:05:48,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2023-11-26 12:05:48,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 532. [2023-11-26 12:05:48,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 394 states have (on average 1.2461928934010151) internal successors, (491), 423 states have internal predecessors, (491), 67 states have call successors, (67), 63 states have call predecessors, (67), 70 states have return successors, (131), 63 states have call predecessors, (131), 67 states have call successors, (131) [2023-11-26 12:05:48,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 689 transitions. [2023-11-26 12:05:48,857 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 689 transitions. Word has length 92 [2023-11-26 12:05:48,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:48,858 INFO L495 AbstractCegarLoop]: Abstraction has 532 states and 689 transitions. [2023-11-26 12:05:48,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-26 12:05:48,858 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 689 transitions. [2023-11-26 12:05:48,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-26 12:05:48,861 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:48,861 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 12:05:48,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:49,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-26 12:05:49,068 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:49,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:49,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1521562023, now seen corresponding path program 1 times [2023-11-26 12:05:49,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:49,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157349747] [2023-11-26 12:05:49,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:49,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:49,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 12:05:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:49,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 12:05:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:49,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-26 12:05:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:49,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 12:05:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:49,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-26 12:05:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:49,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:05:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:49,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-26 12:05:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:49,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 12:05:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:49,267 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-26 12:05:49,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:49,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157349747] [2023-11-26 12:05:49,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157349747] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:49,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:49,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 12:05:49,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356307554] [2023-11-26 12:05:49,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:49,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 12:05:49,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:49,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:05:49,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:05:49,270 INFO L87 Difference]: Start difference. First operand 532 states and 689 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-26 12:05:49,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:49,469 INFO L93 Difference]: Finished difference Result 740 states and 941 transitions. [2023-11-26 12:05:49,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 12:05:49,469 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 92 [2023-11-26 12:05:49,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:49,470 INFO L225 Difference]: With dead ends: 740 [2023-11-26 12:05:49,470 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 12:05:49,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-26 12:05:49,473 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 80 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:49,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 115 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:05:49,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 12:05:49,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 12:05:49,474 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 12:05:49,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 12:05:49,474 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 92 [2023-11-26 12:05:49,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:49,474 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 12:05:49,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-26 12:05:49,475 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 12:05:49,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 12:05:49,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 12:05:49,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-26 12:05:49,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 12:05:50,472 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 309 316) no Hoare annotation was computed. [2023-11-26 12:05:50,472 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 309 316) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2023-11-26 12:05:50,473 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 224 230) no Hoare annotation was computed. [2023-11-26 12:05:50,473 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 224 230) the Hoare annotation is: true [2023-11-26 12:05:50,473 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 549 560) the Hoare annotation is: true [2023-11-26 12:05:50,473 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 549 560) no Hoare annotation was computed. [2023-11-26 12:05:50,473 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 549 560) no Hoare annotation was computed. [2023-11-26 12:05:50,473 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2023-11-26 12:05:50,473 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 428 457) no Hoare annotation was computed. [2023-11-26 12:05:50,473 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 446) no Hoare annotation was computed. [2023-11-26 12:05:50,473 INFO L902 garLoopResultBuilder]: At program point L442-1(lines 442 446) the Hoare annotation is: true [2023-11-26 12:05:50,473 INFO L902 garLoopResultBuilder]: At program point L438-2(lines 438 452) the Hoare annotation is: true [2023-11-26 12:05:50,474 INFO L902 garLoopResultBuilder]: At program point L434(line 434) the Hoare annotation is: true [2023-11-26 12:05:50,474 INFO L899 garLoopResultBuilder]: For program point L434-1(line 434) no Hoare annotation was computed. [2023-11-26 12:05:50,474 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 428 457) the Hoare annotation is: true [2023-11-26 12:05:50,474 INFO L899 garLoopResultBuilder]: For program point L453(lines 428 457) no Hoare annotation was computed. [2023-11-26 12:05:50,474 INFO L899 garLoopResultBuilder]: For program point L630(line 630) no Hoare annotation was computed. [2023-11-26 12:05:50,474 INFO L895 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= 0 ~systemActive~0))) (and (or (< |old(~waterLevel~0)| 2) .cse0) (or .cse1 (< |old(~waterLevel~0)| 1)) (or .cse1 (not .cse0)))) [2023-11-26 12:05:50,474 INFO L895 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (< |old(~waterLevel~0)| 1)) (or (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 ~waterLevel~0)) .cse1) (or .cse0 (not .cse1)))) [2023-11-26 12:05:50,474 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 109) no Hoare annotation was computed. [2023-11-26 12:05:50,475 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 112) no Hoare annotation was computed. [2023-11-26 12:05:50,475 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 91 115) no Hoare annotation was computed. [2023-11-26 12:05:50,475 INFO L895 garLoopResultBuilder]: At program point L277(line 277) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not .cse2)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or (< |old(~waterLevel~0)| 2) (and .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse3) (or .cse0 (not .cse3))))) [2023-11-26 12:05:50,475 INFO L899 garLoopResultBuilder]: For program point L277-1(lines 258 282) no Hoare annotation was computed. [2023-11-26 12:05:50,476 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2023-11-26 12:05:50,476 INFO L899 garLoopResultBuilder]: For program point L529(lines 529 533) no Hoare annotation was computed. [2023-11-26 12:05:50,476 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2023-11-26 12:05:50,476 INFO L899 garLoopResultBuilder]: For program point L529-2(lines 525 536) no Hoare annotation was computed. [2023-11-26 12:05:50,476 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 405) no Hoare annotation was computed. [2023-11-26 12:05:50,477 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 200 223) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2) (not .cse3)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) .cse3))) [2023-11-26 12:05:50,477 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 203 222) no Hoare annotation was computed. [2023-11-26 12:05:50,477 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 200 223) no Hoare annotation was computed. [2023-11-26 12:05:50,477 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 274) no Hoare annotation was computed. [2023-11-26 12:05:50,477 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2023-11-26 12:05:50,478 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 279) no Hoare annotation was computed. [2023-11-26 12:05:50,478 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 421) no Hoare annotation was computed. [2023-11-26 12:05:50,478 INFO L899 garLoopResultBuilder]: For program point L415-1(lines 415 421) no Hoare annotation was computed. [2023-11-26 12:05:50,478 INFO L895 garLoopResultBuilder]: At program point L180(lines 131 181) the Hoare annotation is: false [2023-11-26 12:05:50,478 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 174) no Hoare annotation was computed. [2023-11-26 12:05:50,478 INFO L895 garLoopResultBuilder]: At program point L168-2(lines 162 175) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not .cse4))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3) (and .cse1 .cse2 .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3)))) [2023-11-26 12:05:50,479 INFO L899 garLoopResultBuilder]: For program point L152(lines 152 158) no Hoare annotation was computed. [2023-11-26 12:05:50,479 INFO L899 garLoopResultBuilder]: For program point L152-1(lines 152 158) no Hoare annotation was computed. [2023-11-26 12:05:50,479 INFO L895 garLoopResultBuilder]: At program point L177(lines 132 179) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not .cse4))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3) (and .cse1 .cse2 .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3)))) [2023-11-26 12:05:50,479 INFO L895 garLoopResultBuilder]: At program point L144(line 144) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not .cse4))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3) (and .cse1 .cse2 .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3)))) [2023-11-26 12:05:50,479 INFO L895 garLoopResultBuilder]: At program point L417(line 417) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2023-11-26 12:05:50,479 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 12:05:50,480 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 12:05:50,480 INFO L899 garLoopResultBuilder]: For program point L133(lines 132 179) no Hoare annotation was computed. [2023-11-26 12:05:50,480 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 175) no Hoare annotation was computed. [2023-11-26 12:05:50,480 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 516) no Hoare annotation was computed. [2023-11-26 12:05:50,480 INFO L899 garLoopResultBuilder]: For program point L509-2(lines 509 516) no Hoare annotation was computed. [2023-11-26 12:05:50,480 INFO L895 garLoopResultBuilder]: At program point L154(line 154) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not .cse4))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3) (and .cse1 .cse2 .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3)))) [2023-11-26 12:05:50,481 INFO L899 garLoopResultBuilder]: For program point L183(lines 122 187) no Hoare annotation was computed. [2023-11-26 12:05:50,481 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 148) no Hoare annotation was computed. [2023-11-26 12:05:50,481 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2023-11-26 12:05:50,481 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 386) no Hoare annotation was computed. [2023-11-26 12:05:50,481 INFO L899 garLoopResultBuilder]: For program point L382-2(lines 382 386) no Hoare annotation was computed. [2023-11-26 12:05:50,482 INFO L895 garLoopResultBuilder]: At program point L246(line 246) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse0 .cse1) (or .cse0 (< ~waterLevel~0 1) .cse1 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0))))) [2023-11-26 12:05:50,482 INFO L899 garLoopResultBuilder]: For program point L240(lines 240 248) no Hoare annotation was computed. [2023-11-26 12:05:50,482 INFO L899 garLoopResultBuilder]: For program point L236(lines 236 253) no Hoare annotation was computed. [2023-11-26 12:05:50,482 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 232 256) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-11-26 12:05:50,482 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 602 615) no Hoare annotation was computed. [2023-11-26 12:05:50,482 INFO L899 garLoopResultBuilder]: For program point L606(lines 606 612) no Hoare annotation was computed. [2023-11-26 12:05:50,482 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 232 256) no Hoare annotation was computed. [2023-11-26 12:05:50,483 INFO L895 garLoopResultBuilder]: At program point L251(line 251) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-11-26 12:05:50,483 INFO L899 garLoopResultBuilder]: For program point L251-1(lines 232 256) no Hoare annotation was computed. [2023-11-26 12:05:50,483 INFO L899 garLoopResultBuilder]: For program point L299(lines 299 305) no Hoare annotation was computed. [2023-11-26 12:05:50,483 INFO L899 garLoopResultBuilder]: For program point L299-2(lines 292 308) no Hoare annotation was computed. [2023-11-26 12:05:50,483 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 537 548) no Hoare annotation was computed. [2023-11-26 12:05:50,483 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 537 548) no Hoare annotation was computed. [2023-11-26 12:05:50,484 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 537 548) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not .cse2)) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or (< |old(~waterLevel~0)| 2) .cse1 .cse2))) [2023-11-26 12:05:50,486 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:50,489 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 12:05:50,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:05:50 BoogieIcfgContainer [2023-11-26 12:05:50,517 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:05:50,518 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:05:50,518 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:05:50,518 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:05:50,519 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:42" (3/4) ... [2023-11-26 12:05:50,521 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 12:05:50,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-26 12:05:50,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-26 12:05:50,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-26 12:05:50,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-26 12:05:50,525 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-26 12:05:50,526 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-26 12:05:50,526 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-26 12:05:50,542 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2023-11-26 12:05:50,543 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-26 12:05:50,544 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-26 12:05:50,544 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 12:05:50,545 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 12:05:50,682 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 12:05:50,682 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 12:05:50,682 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:05:50,683 INFO L158 Benchmark]: Toolchain (without parser) took 9479.73ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 134.5MB in the beginning and 177.2MB in the end (delta: -42.7MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-11-26 12:05:50,683 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:05:50,684 INFO L158 Benchmark]: CACSL2BoogieTranslator took 533.20ms. Allocated memory is still 167.8MB. Free memory was 134.4MB in the beginning and 114.8MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-26 12:05:50,684 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.30ms. Allocated memory is still 167.8MB. Free memory was 114.4MB in the beginning and 112.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:05:50,685 INFO L158 Benchmark]: Boogie Preprocessor took 60.53ms. Allocated memory is still 167.8MB. Free memory was 112.1MB in the beginning and 109.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:05:50,685 INFO L158 Benchmark]: RCFGBuilder took 662.68ms. Allocated memory is still 167.8MB. Free memory was 109.8MB in the beginning and 86.3MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-26 12:05:50,686 INFO L158 Benchmark]: TraceAbstraction took 7978.62ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 85.8MB in the beginning and 184.5MB in the end (delta: -98.7MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. [2023-11-26 12:05:50,687 INFO L158 Benchmark]: Witness Printer took 164.92ms. Allocated memory is still 216.0MB. Free memory was 184.5MB in the beginning and 177.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 12:05:50,690 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 533.20ms. Allocated memory is still 167.8MB. Free memory was 134.4MB in the beginning and 114.8MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.30ms. Allocated memory is still 167.8MB. Free memory was 114.4MB in the beginning and 112.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.53ms. Allocated memory is still 167.8MB. Free memory was 112.1MB in the beginning and 109.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 662.68ms. Allocated memory is still 167.8MB. Free memory was 109.8MB in the beginning and 86.3MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 7978.62ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 85.8MB in the beginning and 184.5MB in the end (delta: -98.7MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. * Witness Printer took 164.92ms. Allocated memory is still 216.0MB. Free memory was 184.5MB in the beginning and 177.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [87] - GenericResultAtLocation [Line: 116]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [116] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [188] - GenericResultAtLocation [Line: 426]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [426] - GenericResultAtLocation [Line: 522]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [522] - GenericResultAtLocation [Line: 625]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [625] - GenericResultAtLocation [Line: 634]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [634] * 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: 630]: 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 8 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1208 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1190 mSDsluCounter, 2159 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1413 mSDsCounter, 278 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1775 IncrementalHoareTripleChecker+Invalid, 2053 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 278 mSolverCounterUnsat, 746 mSDtfsCounter, 1775 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 378 GetRequests, 287 SyntacticMatches, 9 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=532occurred in iteration=11, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 174 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 611 PreInvPairs, 659 NumberOfFragments, 434 HoareAnnotationTreeSize, 611 FomulaSimplifications, 786 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 21 FomulaSimplificationsInter, 1519 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 622 NumberOfCodeBlocks, 622 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 670 ConstructedInterpolants, 0 QuantifiedInterpolants, 1258 SizeOfPredicates, 6 NumberOfNonLiveVariables, 590 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 224/249 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: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (((((((tmp == 1) && (pumpRunning == 0)) && (splverifierCounter == 0)) && (1 <= waterLevel)) && !((0 == systemActive))) || (((pumpRunning == 0) && (splverifierCounter == 0)) && (0 == systemActive))) || ((((tmp == 1) && (2 <= waterLevel)) && (splverifierCounter == 0)) && !((0 == systemActive)))) - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-26 12:05:50,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb46547-5961-44af-9a84-44f88e8a5bbb/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