./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya --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 2165aefdca75c2370f155996346c5c4ea8ed352d96946243b70bd7ef162ab29f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:28:47,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:28:47,581 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 02:28:47,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:28:47,587 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:28:47,609 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:28:47,610 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:28:47,610 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:28:47,611 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:28:47,612 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:28:47,612 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:28:47,613 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:28:47,614 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:28:47,614 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:28:47,615 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:28:47,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:28:47,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:28:47,616 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:28:47,617 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:28:47,617 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:28:47,618 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:28:47,618 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:28:47,619 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:28:47,619 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:28:47,620 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:28:47,620 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:28:47,620 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:28:47,621 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:28:47,621 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:28:47,621 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:28:47,622 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:28:47,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:28:47,622 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:28:47,623 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:28:47,623 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:28:47,623 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:28:47,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:28:47,623 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:28:47,624 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:28:47,624 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:28:47,624 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:28:47,624 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:28:47,624 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_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2165aefdca75c2370f155996346c5c4ea8ed352d96946243b70bd7ef162ab29f [2023-11-29 02:28:47,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:28:47,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:28:47,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:28:47,869 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:28:47,870 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:28:47,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2023-11-29 02:28:50,582 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:28:50,800 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:28:50,800 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2023-11-29 02:28:50,816 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/data/d5d100c4e/049c87c0ed9b4b9495de04c1a1edf00a/FLAG8f1e5dc3b [2023-11-29 02:28:50,830 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/data/d5d100c4e/049c87c0ed9b4b9495de04c1a1edf00a [2023-11-29 02:28:50,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:28:50,834 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:28:50,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:28:50,836 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:28:50,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:28:50,840 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:28:50" (1/1) ... [2023-11-29 02:28:50,841 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9ac3ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:50, skipping insertion in model container [2023-11-29 02:28:50,841 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:28:50" (1/1) ... [2023-11-29 02:28:50,888 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:28:51,130 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_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c[8940,8953] [2023-11-29 02:28:51,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:28:51,191 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:28:51,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-11-29 02:28:51,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [153] [2023-11-29 02:28:51,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [182] [2023-11-29 02:28:51,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [290] [2023-11-29 02:28:51,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [325] [2023-11-29 02:28:51,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [540] [2023-11-29 02:28:51,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [607] [2023-11-29 02:28:51,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [616] [2023-11-29 02:28:51,227 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_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c[8940,8953] [2023-11-29 02:28:51,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:28:51,278 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:28:51,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:51 WrapperNode [2023-11-29 02:28:51,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:28:51,279 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:28:51,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:28:51,280 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:28:51,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:51" (1/1) ... [2023-11-29 02:28:51,303 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:51" (1/1) ... [2023-11-29 02:28:51,329 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 24, calls inlined = 20, statements flattened = 207 [2023-11-29 02:28:51,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:28:51,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:28:51,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:28:51,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:28:51,342 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:51" (1/1) ... [2023-11-29 02:28:51,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:51" (1/1) ... [2023-11-29 02:28:51,344 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:51" (1/1) ... [2023-11-29 02:28:51,358 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]. [2023-11-29 02:28:51,359 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:51" (1/1) ... [2023-11-29 02:28:51,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:51" (1/1) ... [2023-11-29 02:28:51,364 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:51" (1/1) ... [2023-11-29 02:28:51,368 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:51" (1/1) ... [2023-11-29 02:28:51,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:51" (1/1) ... [2023-11-29 02:28:51,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:51" (1/1) ... [2023-11-29 02:28:51,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:28:51,375 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:28:51,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:28:51,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:28:51,376 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:51" (1/1) ... [2023-11-29 02:28:51,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:28:51,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:28:51,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:28:51,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:28:51,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:28:51,439 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-29 02:28:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-29 02:28:51,439 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-29 02:28:51,439 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-29 02:28:51,439 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-29 02:28:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-29 02:28:51,440 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-29 02:28:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-29 02:28:51,440 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-29 02:28:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-29 02:28:51,440 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-29 02:28:51,440 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-29 02:28:51,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:28:51,441 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-29 02:28:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-29 02:28:51,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:28:51,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:28:51,519 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:28:51,522 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:28:51,751 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:28:51,814 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:28:51,814 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 02:28:51,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:28:51 BoogieIcfgContainer [2023-11-29 02:28:51,815 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:28:51,818 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:28:51,818 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:28:51,821 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:28:51,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:28:50" (1/3) ... [2023-11-29 02:28:51,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@135bae0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:28:51, skipping insertion in model container [2023-11-29 02:28:51,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:28:51" (2/3) ... [2023-11-29 02:28:51,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@135bae0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:28:51, skipping insertion in model container [2023-11-29 02:28:51,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:28:51" (3/3) ... [2023-11-29 02:28:51,824 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product51.cil.c [2023-11-29 02:28:51,839 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:28:51,839 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:28:51,880 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:28:51,886 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;@778f4059, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:28:51,886 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:28:51,890 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 48 states have (on average 1.5625) internal successors, (75), 57 states have internal predecessors, (75), 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) [2023-11-29 02:28:51,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 02:28:51,898 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:51,899 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:28:51,899 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:28:51,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:51,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1271108348, now seen corresponding path program 1 times [2023-11-29 02:28:51,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:51,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628711198] [2023-11-29 02:28:51,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:51,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:52,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:28:52,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:52,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628711198] [2023-11-29 02:28:52,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628711198] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:52,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:52,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:28:52,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019787663] [2023-11-29 02:28:52,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:52,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:28:52,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:52,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:28:52,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:28:52,093 INFO L87 Difference]: Start difference. First operand has 69 states, 48 states have (on average 1.5625) internal successors, (75), 57 states have internal predecessors, (75), 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) [2023-11-29 02:28:52,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:52,152 INFO L93 Difference]: Finished difference Result 136 states and 199 transitions. [2023-11-29 02:28:52,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:28:52,154 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 [2023-11-29 02:28:52,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:52,161 INFO L225 Difference]: With dead ends: 136 [2023-11-29 02:28:52,162 INFO L226 Difference]: Without dead ends: 64 [2023-11-29 02:28:52,165 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 [2023-11-29 02:28:52,168 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:52,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:28:52,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-29 02:28:52,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-11-29 02:28:52,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 53 states have internal predecessors, (65), 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) [2023-11-29 02:28:52,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 88 transitions. [2023-11-29 02:28:52,204 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 88 transitions. Word has length 12 [2023-11-29 02:28:52,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:52,204 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 88 transitions. [2023-11-29 02:28:52,205 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) [2023-11-29 02:28:52,205 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 88 transitions. [2023-11-29 02:28:52,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-29 02:28:52,207 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:52,207 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:28:52,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:28:52,208 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:28:52,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:52,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1940814691, now seen corresponding path program 1 times [2023-11-29 02:28:52,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:52,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812310533] [2023-11-29 02:28:52,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:52,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:52,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:28:52,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:52,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812310533] [2023-11-29 02:28:52,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812310533] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:52,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:52,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:28:52,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542971537] [2023-11-29 02:28:52,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:52,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:28:52,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:52,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:28:52,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:28:52,307 INFO L87 Difference]: Start difference. First operand 64 states and 88 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) [2023-11-29 02:28:52,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:52,346 INFO L93 Difference]: Finished difference Result 98 states and 134 transitions. [2023-11-29 02:28:52,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:28:52,347 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 [2023-11-29 02:28:52,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:52,349 INFO L225 Difference]: With dead ends: 98 [2023-11-29 02:28:52,349 INFO L226 Difference]: Without dead ends: 56 [2023-11-29 02:28:52,350 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 [2023-11-29 02:28:52,351 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 14 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:52,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 113 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:28:52,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-29 02:28:52,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-29 02:28:52,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 40 states have (on average 1.475) internal successors, (59), 48 states have internal predecessors, (59), 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) [2023-11-29 02:28:52,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 77 transitions. [2023-11-29 02:28:52,362 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 77 transitions. Word has length 13 [2023-11-29 02:28:52,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:52,362 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 77 transitions. [2023-11-29 02:28:52,362 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) [2023-11-29 02:28:52,363 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2023-11-29 02:28:52,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-29 02:28:52,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:52,364 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:28:52,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:28:52,364 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:28:52,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:52,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1317323505, now seen corresponding path program 1 times [2023-11-29 02:28:52,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:52,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974042392] [2023-11-29 02:28:52,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:52,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:52,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:28:52,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:52,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974042392] [2023-11-29 02:28:52,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974042392] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:52,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:52,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:28:52,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839878470] [2023-11-29 02:28:52,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:52,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:28:52,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:52,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:28:52,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:28:52,462 INFO L87 Difference]: Start difference. First operand 56 states and 77 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) [2023-11-29 02:28:52,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:52,575 INFO L93 Difference]: Finished difference Result 157 states and 222 transitions. [2023-11-29 02:28:52,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:28:52,576 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 [2023-11-29 02:28:52,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:52,578 INFO L225 Difference]: With dead ends: 157 [2023-11-29 02:28:52,578 INFO L226 Difference]: Without dead ends: 103 [2023-11-29 02:28:52,579 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 [2023-11-29 02:28:52,580 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 90 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:52,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 167 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:28:52,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-11-29 02:28:52,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 86. [2023-11-29 02:28:52,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 62 states have (on average 1.4838709677419355) internal successors, (92), 73 states have internal predecessors, (92), 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) [2023-11-29 02:28:52,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 119 transitions. [2023-11-29 02:28:52,598 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 119 transitions. Word has length 16 [2023-11-29 02:28:52,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:52,598 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 119 transitions. [2023-11-29 02:28:52,598 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) [2023-11-29 02:28:52,598 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 119 transitions. [2023-11-29 02:28:52,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-29 02:28:52,600 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:52,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:28:52,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 02:28:52,600 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:28:52,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:52,601 INFO L85 PathProgramCache]: Analyzing trace with hash 642892071, now seen corresponding path program 1 times [2023-11-29 02:28:52,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:52,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710005078] [2023-11-29 02:28:52,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:52,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:52,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:28:52,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:52,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710005078] [2023-11-29 02:28:52,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710005078] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:52,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:52,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 02:28:52,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639190272] [2023-11-29 02:28:52,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:52,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:28:52,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:52,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:28:52,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:28:52,705 INFO L87 Difference]: Start difference. First operand 86 states and 119 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 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) [2023-11-29 02:28:52,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:52,836 INFO L93 Difference]: Finished difference Result 267 states and 399 transitions. [2023-11-29 02:28:52,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:28:52,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 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 [2023-11-29 02:28:52,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:52,840 INFO L225 Difference]: With dead ends: 267 [2023-11-29 02:28:52,840 INFO L226 Difference]: Without dead ends: 183 [2023-11-29 02:28:52,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:28:52,842 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 86 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:52,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 228 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:28:52,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2023-11-29 02:28:52,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 162. [2023-11-29 02:28:52,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 117 states have (on average 1.4615384615384615) internal successors, (171), 138 states have internal predecessors, (171), 24 states have call successors, (24), 18 states have call predecessors, (24), 20 states have return successors, (35), 18 states have call predecessors, (35), 24 states have call successors, (35) [2023-11-29 02:28:52,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 230 transitions. [2023-11-29 02:28:52,873 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 230 transitions. Word has length 19 [2023-11-29 02:28:52,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:52,874 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 230 transitions. [2023-11-29 02:28:52,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 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) [2023-11-29 02:28:52,874 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 230 transitions. [2023-11-29 02:28:52,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-29 02:28:52,876 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:52,877 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] [2023-11-29 02:28:52,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 02:28:52,877 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:28:52,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:52,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1428002004, now seen corresponding path program 1 times [2023-11-29 02:28:52,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:52,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725330137] [2023-11-29 02:28:52,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:52,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:53,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:28:53,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:53,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725330137] [2023-11-29 02:28:53,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725330137] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:53,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:53,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:28:53,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569207396] [2023-11-29 02:28:53,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:53,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:28:53,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:53,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:28:53,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:28:53,005 INFO L87 Difference]: Start difference. First operand 162 states and 230 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) [2023-11-29 02:28:53,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:53,083 INFO L93 Difference]: Finished difference Result 378 states and 561 transitions. [2023-11-29 02:28:53,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 02:28:53,083 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 [2023-11-29 02:28:53,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:53,086 INFO L225 Difference]: With dead ends: 378 [2023-11-29 02:28:53,086 INFO L226 Difference]: Without dead ends: 218 [2023-11-29 02:28:53,087 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 [2023-11-29 02:28:53,088 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 43 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:53,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 173 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:28:53,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2023-11-29 02:28:53,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 213. [2023-11-29 02:28:53,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 157 states have (on average 1.375796178343949) internal successors, (216), 176 states have internal predecessors, (216), 27 states have call successors, (27), 25 states have call predecessors, (27), 28 states have return successors, (54), 28 states have call predecessors, (54), 27 states have call successors, (54) [2023-11-29 02:28:53,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 297 transitions. [2023-11-29 02:28:53,119 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 297 transitions. Word has length 21 [2023-11-29 02:28:53,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:53,119 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 297 transitions. [2023-11-29 02:28:53,119 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) [2023-11-29 02:28:53,119 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 297 transitions. [2023-11-29 02:28:53,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-29 02:28:53,121 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:53,122 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] [2023-11-29 02:28:53,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 02:28:53,122 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:28:53,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:53,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1913365728, now seen corresponding path program 1 times [2023-11-29 02:28:53,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:53,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025914150] [2023-11-29 02:28:53,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:53,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:53,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:28:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:53,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 02:28:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:53,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:28:53,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:53,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025914150] [2023-11-29 02:28:53,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025914150] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:53,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:53,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:28:53,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526287637] [2023-11-29 02:28:53,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:53,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:28:53,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:53,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:28:53,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:28:53,175 INFO L87 Difference]: Start difference. First operand 213 states and 297 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2023-11-29 02:28:53,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:53,407 INFO L93 Difference]: Finished difference Result 503 states and 694 transitions. [2023-11-29 02:28:53,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:28:53,411 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 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 35 [2023-11-29 02:28:53,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:53,414 INFO L225 Difference]: With dead ends: 503 [2023-11-29 02:28:53,414 INFO L226 Difference]: Without dead ends: 235 [2023-11-29 02:28:53,415 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 [2023-11-29 02:28:53,416 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 132 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:53,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 161 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:28:53,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2023-11-29 02:28:53,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 217. [2023-11-29 02:28:53,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 161 states have (on average 1.2981366459627328) internal successors, (209), 177 states have internal predecessors, (209), 23 states have call successors, (23), 20 states have call predecessors, (23), 32 states have return successors, (62), 28 states have call predecessors, (62), 23 states have call successors, (62) [2023-11-29 02:28:53,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 294 transitions. [2023-11-29 02:28:53,446 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 294 transitions. Word has length 35 [2023-11-29 02:28:53,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:53,446 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 294 transitions. [2023-11-29 02:28:53,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2023-11-29 02:28:53,446 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 294 transitions. [2023-11-29 02:28:53,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-29 02:28:53,447 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:53,448 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] [2023-11-29 02:28:53,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 02:28:53,448 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:28:53,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:53,448 INFO L85 PathProgramCache]: Analyzing trace with hash -923536778, now seen corresponding path program 1 times [2023-11-29 02:28:53,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:53,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694855227] [2023-11-29 02:28:53,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:53,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:53,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:28:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:53,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 02:28:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:53,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:28:53,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:53,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694855227] [2023-11-29 02:28:53,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694855227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:53,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:53,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 02:28:53,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642075468] [2023-11-29 02:28:53,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:53,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:28:53,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:53,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:28:53,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:28:53,545 INFO L87 Difference]: Start difference. First operand 217 states and 294 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 5 states have internal predecessors, (27), 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) [2023-11-29 02:28:53,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:53,865 INFO L93 Difference]: Finished difference Result 459 states and 644 transitions. [2023-11-29 02:28:53,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 02:28:53,866 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 5 states have internal predecessors, (27), 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 32 [2023-11-29 02:28:53,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:53,869 INFO L225 Difference]: With dead ends: 459 [2023-11-29 02:28:53,870 INFO L226 Difference]: Without dead ends: 244 [2023-11-29 02:28:53,871 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 [2023-11-29 02:28:53,872 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 122 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:53,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 175 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:28:53,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2023-11-29 02:28:53,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 226. [2023-11-29 02:28:53,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 167 states have (on average 1.2874251497005988) internal successors, (215), 185 states have internal predecessors, (215), 24 states have call successors, (24), 20 states have call predecessors, (24), 34 states have return successors, (67), 29 states have call predecessors, (67), 24 states have call successors, (67) [2023-11-29 02:28:53,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 306 transitions. [2023-11-29 02:28:53,911 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 306 transitions. Word has length 32 [2023-11-29 02:28:53,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:53,911 INFO L495 AbstractCegarLoop]: Abstraction has 226 states and 306 transitions. [2023-11-29 02:28:53,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 5 states have internal predecessors, (27), 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) [2023-11-29 02:28:53,912 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 306 transitions. [2023-11-29 02:28:53,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-29 02:28:53,913 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:53,913 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] [2023-11-29 02:28:53,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 02:28:53,914 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:28:53,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:53,914 INFO L85 PathProgramCache]: Analyzing trace with hash -530509768, now seen corresponding path program 1 times [2023-11-29 02:28:53,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:53,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169301723] [2023-11-29 02:28:53,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:53,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:53,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:28:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:53,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-29 02:28:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:53,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:28:53,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:53,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169301723] [2023-11-29 02:28:53,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169301723] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:53,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:53,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 02:28:53,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624261323] [2023-11-29 02:28:53,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:53,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:28:53,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:53,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:28:53,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:28:53,989 INFO L87 Difference]: Start difference. First operand 226 states and 306 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 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) [2023-11-29 02:28:54,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:54,223 INFO L93 Difference]: Finished difference Result 450 states and 627 transitions. [2023-11-29 02:28:54,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:28:54,223 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 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 32 [2023-11-29 02:28:54,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:54,228 INFO L225 Difference]: With dead ends: 450 [2023-11-29 02:28:54,228 INFO L226 Difference]: Without dead ends: 226 [2023-11-29 02:28:54,229 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 [2023-11-29 02:28:54,231 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 102 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:54,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 141 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:28:54,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2023-11-29 02:28:54,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 218. [2023-11-29 02:28:54,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 162 states have (on average 1.271604938271605) internal successors, (206), 178 states have internal predecessors, (206), 24 states have call successors, (24), 20 states have call predecessors, (24), 31 states have return successors, (59), 28 states have call predecessors, (59), 24 states have call successors, (59) [2023-11-29 02:28:54,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 289 transitions. [2023-11-29 02:28:54,262 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 289 transitions. Word has length 32 [2023-11-29 02:28:54,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:54,262 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 289 transitions. [2023-11-29 02:28:54,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 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) [2023-11-29 02:28:54,263 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 289 transitions. [2023-11-29 02:28:54,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-29 02:28:54,265 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:54,265 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:28:54,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 02:28:54,266 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:28:54,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:54,266 INFO L85 PathProgramCache]: Analyzing trace with hash -106137930, now seen corresponding path program 1 times [2023-11-29 02:28:54,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:54,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950507514] [2023-11-29 02:28:54,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:54,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:54,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 02:28:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:54,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 02:28:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:54,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-29 02:28:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:54,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:28:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:54,440 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 02:28:54,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:54,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950507514] [2023-11-29 02:28:54,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950507514] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:28:54,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550467175] [2023-11-29 02:28:54,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:54,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:28:54,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:28:54,450 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:28:54,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 02:28:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:54,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 02:28:54,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:28:54,696 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:28:54,696 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:28:54,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550467175] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:54,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 02:28:54,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 12 [2023-11-29 02:28:54,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363475690] [2023-11-29 02:28:54,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:54,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:28:54,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:54,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:28:54,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-11-29 02:28:54,699 INFO L87 Difference]: Start difference. First operand 218 states and 289 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 02:28:54,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:54,979 INFO L93 Difference]: Finished difference Result 509 states and 710 transitions. [2023-11-29 02:28:54,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:28:54,979 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 57 [2023-11-29 02:28:54,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:54,982 INFO L225 Difference]: With dead ends: 509 [2023-11-29 02:28:54,982 INFO L226 Difference]: Without dead ends: 293 [2023-11-29 02:28:54,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:28:54,984 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 147 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:54,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 158 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 02:28:54,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2023-11-29 02:28:55,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 291. [2023-11-29 02:28:55,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 217 states have (on average 1.271889400921659) internal successors, (276), 234 states have internal predecessors, (276), 37 states have call successors, (37), 33 states have call predecessors, (37), 36 states have return successors, (71), 35 states have call predecessors, (71), 37 states have call successors, (71) [2023-11-29 02:28:55,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 384 transitions. [2023-11-29 02:28:55,021 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 384 transitions. Word has length 57 [2023-11-29 02:28:55,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:55,021 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 384 transitions. [2023-11-29 02:28:55,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-29 02:28:55,021 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 384 transitions. [2023-11-29 02:28:55,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-29 02:28:55,023 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:55,023 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] [2023-11-29 02:28:55,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:28:55,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-29 02:28:55,228 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:28:55,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:55,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1353719568, now seen corresponding path program 1 times [2023-11-29 02:28:55,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:55,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717969882] [2023-11-29 02:28:55,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:55,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:55,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:28:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:55,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 02:28:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:55,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 02:28:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:55,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-29 02:28:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:55,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:28:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:55,378 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 02:28:55,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:55,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717969882] [2023-11-29 02:28:55,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717969882] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:28:55,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678536154] [2023-11-29 02:28:55,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:55,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:28:55,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:28:55,380 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:28:55,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 02:28:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:55,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 02:28:55,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:28:55,531 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 02:28:55,531 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:28:55,624 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 02:28:55,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678536154] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:28:55,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 02:28:55,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 8 [2023-11-29 02:28:55,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890231605] [2023-11-29 02:28:55,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 02:28:55,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 02:28:55,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:55,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 02:28:55,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-29 02:28:55,626 INFO L87 Difference]: Start difference. First operand 291 states and 384 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 5 states have internal predecessors, (56), 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) [2023-11-29 02:28:56,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:56,117 INFO L93 Difference]: Finished difference Result 695 states and 958 transitions. [2023-11-29 02:28:56,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 02:28:56,118 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 5 states have internal predecessors, (56), 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 61 [2023-11-29 02:28:56,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:56,122 INFO L225 Difference]: With dead ends: 695 [2023-11-29 02:28:56,122 INFO L226 Difference]: Without dead ends: 440 [2023-11-29 02:28:56,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 131 SyntacticMatches, 6 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2023-11-29 02:28:56,125 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 177 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:56,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 266 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 02:28:56,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2023-11-29 02:28:56,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 409. [2023-11-29 02:28:56,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 304 states have (on average 1.263157894736842) internal successors, (384), 327 states have internal predecessors, (384), 53 states have call successors, (53), 48 states have call predecessors, (53), 51 states have return successors, (106), 48 states have call predecessors, (106), 53 states have call successors, (106) [2023-11-29 02:28:56,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 543 transitions. [2023-11-29 02:28:56,166 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 543 transitions. Word has length 61 [2023-11-29 02:28:56,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:56,167 INFO L495 AbstractCegarLoop]: Abstraction has 409 states and 543 transitions. [2023-11-29 02:28:56,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 5 states have internal predecessors, (56), 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) [2023-11-29 02:28:56,167 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 543 transitions. [2023-11-29 02:28:56,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-29 02:28:56,169 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:56,170 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] [2023-11-29 02:28:56,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 02:28:56,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 02:28:56,371 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:28:56,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:56,372 INFO L85 PathProgramCache]: Analyzing trace with hash 781343412, now seen corresponding path program 2 times [2023-11-29 02:28:56,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:56,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870876541] [2023-11-29 02:28:56,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:56,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:56,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:28:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:56,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 02:28:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:56,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 02:28:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:56,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-29 02:28:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:56,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:28:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:56,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:28:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:56,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 02:28:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:56,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:28:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:56,646 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 44 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 02:28:56,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:56,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870876541] [2023-11-29 02:28:56,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870876541] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:28:56,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994672137] [2023-11-29 02:28:56,647 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 02:28:56,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:28:56,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:28:56,648 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:28:56,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 02:28:56,738 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 02:28:56,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 02:28:56,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 02:28:56,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:28:56,822 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-29 02:28:56,822 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:28:56,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994672137] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:56,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 02:28:56,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-11-29 02:28:56,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074814918] [2023-11-29 02:28:56,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:56,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:28:56,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:56,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:28:56,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-11-29 02:28:56,824 INFO L87 Difference]: Start difference. First operand 409 states and 543 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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) [2023-11-29 02:28:57,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:57,019 INFO L93 Difference]: Finished difference Result 1058 states and 1447 transitions. [2023-11-29 02:28:57,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 02:28:57,020 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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 90 [2023-11-29 02:28:57,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:57,026 INFO L225 Difference]: With dead ends: 1058 [2023-11-29 02:28:57,026 INFO L226 Difference]: Without dead ends: 684 [2023-11-29 02:28:57,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 101 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2023-11-29 02:28:57,029 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 95 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:57,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 305 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:28:57,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2023-11-29 02:28:57,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 589. [2023-11-29 02:28:57,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 437 states have (on average 1.242562929061785) internal successors, (543), 465 states have internal predecessors, (543), 74 states have call successors, (74), 72 states have call predecessors, (74), 77 states have return successors, (141), 70 states have call predecessors, (141), 74 states have call successors, (141) [2023-11-29 02:28:57,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 758 transitions. [2023-11-29 02:28:57,117 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 758 transitions. Word has length 90 [2023-11-29 02:28:57,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:57,119 INFO L495 AbstractCegarLoop]: Abstraction has 589 states and 758 transitions. [2023-11-29 02:28:57,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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) [2023-11-29 02:28:57,119 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 758 transitions. [2023-11-29 02:28:57,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-29 02:28:57,122 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:28:57,124 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] [2023-11-29 02:28:57,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 02:28:57,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:28:57,327 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:28:57,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:28:57,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1674829750, now seen corresponding path program 1 times [2023-11-29 02:28:57,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:28:57,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090528802] [2023-11-29 02:28:57,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:28:57,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:28:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:57,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 02:28:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:57,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 02:28:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:57,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-29 02:28:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:57,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-29 02:28:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:57,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 02:28:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:57,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:28:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:57,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-29 02:28:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:57,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 02:28:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:28:57,477 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-29 02:28:57,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:28:57,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090528802] [2023-11-29 02:28:57,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090528802] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:28:57,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:28:57,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 02:28:57,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308677609] [2023-11-29 02:28:57,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:28:57,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 02:28:57,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:28:57,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 02:28:57,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:28:57,480 INFO L87 Difference]: Start difference. First operand 589 states and 758 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 4 states have internal predecessors, (58), 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) [2023-11-29 02:28:57,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:28:57,649 INFO L93 Difference]: Finished difference Result 814 states and 1032 transitions. [2023-11-29 02:28:57,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 02:28:57,650 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 4 states have internal predecessors, (58), 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 90 [2023-11-29 02:28:57,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:28:57,650 INFO L225 Difference]: With dead ends: 814 [2023-11-29 02:28:57,650 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 02:28:57,653 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 [2023-11-29 02:28:57,654 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 49 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:28:57,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 134 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:28:57,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 02:28:57,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 02:28:57,655 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) [2023-11-29 02:28:57,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 02:28:57,655 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2023-11-29 02:28:57,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:28:57,656 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 02:28:57,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 4 states have internal predecessors, (58), 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) [2023-11-29 02:28:57,656 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 02:28:57,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 02:28:57,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:28:57,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 02:28:57,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 02:28:58,718 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 423 430) no Hoare annotation was computed. [2023-11-29 02:28:58,718 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 423 430) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2023-11-29 02:28:58,718 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 356 362) no Hoare annotation was computed. [2023-11-29 02:28:58,718 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 356 362) the Hoare annotation is: true [2023-11-29 02:28:58,718 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 214 225) the Hoare annotation is: true [2023-11-29 02:28:58,719 INFO L899 garLoopResultBuilder]: For program point L218-1(lines 214 225) no Hoare annotation was computed. [2023-11-29 02:28:58,719 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 214 225) no Hoare annotation was computed. [2023-11-29 02:28:58,719 INFO L899 garLoopResultBuilder]: For program point L515(lines 515 519) no Hoare annotation was computed. [2023-11-29 02:28:58,719 INFO L899 garLoopResultBuilder]: For program point L515-2(lines 515 519) no Hoare annotation was computed. [2023-11-29 02:28:58,719 INFO L895 garLoopResultBuilder]: At program point L404(line 404) 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)))) [2023-11-29 02:28:58,719 INFO L895 garLoopResultBuilder]: At program point L400(line 400) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= 0 ~systemActive~0))) (and (or (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 ~waterLevel~0) (<= ~waterLevel~0 |old(~waterLevel~0)|)) .cse0) (or .cse1 (< |old(~waterLevel~0)| 1)) (or .cse1 (not .cse0)))) [2023-11-29 02:28:58,719 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 175) no Hoare annotation was computed. [2023-11-29 02:28:58,720 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 178) no Hoare annotation was computed. [2023-11-29 02:28:58,720 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 157 181) no Hoare annotation was computed. [2023-11-29 02:28:58,720 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 198) no Hoare annotation was computed. [2023-11-29 02:28:58,720 INFO L899 garLoopResultBuilder]: For program point L194-2(lines 190 201) no Hoare annotation was computed. [2023-11-29 02:28:58,720 INFO L895 garLoopResultBuilder]: At program point L409(line 409) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not .cse1)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (< |old(~waterLevel~0)| 1) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (or (< |old(~waterLevel~0)| 2) .cse1 .cse2) (or .cse0 (not .cse2))))) [2023-11-29 02:28:58,720 INFO L899 garLoopResultBuilder]: For program point L409-1(lines 390 414) no Hoare annotation was computed. [2023-11-29 02:28:58,720 INFO L899 garLoopResultBuilder]: For program point L343-1(lines 343 349) no Hoare annotation was computed. [2023-11-29 02:28:58,720 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 332 355) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 0 ~systemActive~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (and .cse1 .cse2) (not .cse3)) (or (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) .cse3) (or (< 1 |old(~waterLevel~0)|) .cse0 (< |old(~waterLevel~0)| 1) (and .cse1 (= ~waterLevel~0 1))))) [2023-11-29 02:28:58,721 INFO L899 garLoopResultBuilder]: For program point L612(line 612) no Hoare annotation was computed. [2023-11-29 02:28:58,721 INFO L899 garLoopResultBuilder]: For program point L336-1(lines 335 354) no Hoare annotation was computed. [2023-11-29 02:28:58,721 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 406) no Hoare annotation was computed. [2023-11-29 02:28:58,721 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 332 355) no Hoare annotation was computed. [2023-11-29 02:28:58,721 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 411) no Hoare annotation was computed. [2023-11-29 02:28:58,721 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 612) no Hoare annotation was computed. [2023-11-29 02:28:58,721 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2023-11-29 02:28:58,721 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2023-11-29 02:28:58,721 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2023-11-29 02:28:58,722 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-11-29 02:28:58,722 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-11-29 02:28:58,722 INFO L899 garLoopResultBuilder]: For program point L77(lines 52 81) no Hoare annotation was computed. [2023-11-29 02:28:58,722 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 81) the Hoare annotation is: true [2023-11-29 02:28:58,722 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-11-29 02:28:58,722 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2023-11-29 02:28:58,722 INFO L895 garLoopResultBuilder]: At program point L531(line 531) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2023-11-29 02:28:58,722 INFO L899 garLoopResultBuilder]: For program point L552(lines 551 598) no Hoare annotation was computed. [2023-11-29 02:28:58,722 INFO L899 garLoopResultBuilder]: For program point L581(lines 581 594) no Hoare annotation was computed. [2023-11-29 02:28:58,722 INFO L895 garLoopResultBuilder]: At program point L573(line 573) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0))) (let ((.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (not .cse4)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3) (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse2 .cse4)))) [2023-11-29 02:28:58,722 INFO L899 garLoopResultBuilder]: For program point L602(lines 541 606) no Hoare annotation was computed. [2023-11-29 02:28:58,722 INFO L899 garLoopResultBuilder]: For program point L561(lines 561 567) no Hoare annotation was computed. [2023-11-29 02:28:58,723 INFO L899 garLoopResultBuilder]: For program point L561-1(lines 561 567) no Hoare annotation was computed. [2023-11-29 02:28:58,723 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2023-11-29 02:28:58,723 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2023-11-29 02:28:58,723 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 02:28:58,723 INFO L895 garLoopResultBuilder]: At program point L599(lines 550 600) the Hoare annotation is: false [2023-11-29 02:28:58,723 INFO L899 garLoopResultBuilder]: For program point L529(lines 529 535) no Hoare annotation was computed. [2023-11-29 02:28:58,723 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 529 535) no Hoare annotation was computed. [2023-11-29 02:28:58,723 INFO L899 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2023-11-29 02:28:58,723 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 02:28:58,723 INFO L895 garLoopResultBuilder]: At program point L587-2(lines 581 594) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0))) (let ((.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (not .cse4)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3) (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse2 .cse4)))) [2023-11-29 02:28:58,723 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 577) no Hoare annotation was computed. [2023-11-29 02:28:58,723 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 571 577) no Hoare annotation was computed. [2023-11-29 02:28:58,723 INFO L895 garLoopResultBuilder]: At program point L596(lines 551 598) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0))) (let ((.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (not .cse4)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3) (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse2 .cse4)))) [2023-11-29 02:28:58,724 INFO L895 garLoopResultBuilder]: At program point L563(line 563) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0))) (let ((.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (not .cse4)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3) (and .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse2 .cse4)))) [2023-11-29 02:28:58,724 INFO L895 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0))) (or (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse0 .cse1) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0))) [2023-11-29 02:28:58,724 INFO L899 garLoopResultBuilder]: For program point L372(lines 372 380) no Hoare annotation was computed. [2023-11-29 02:28:58,724 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 385) no Hoare annotation was computed. [2023-11-29 02:28:58,724 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 500) no Hoare annotation was computed. [2023-11-29 02:28:58,724 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 277) no Hoare annotation was computed. [2023-11-29 02:28:58,724 INFO L899 garLoopResultBuilder]: For program point L496-2(lines 496 500) no Hoare annotation was computed. [2023-11-29 02:28:58,724 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 364 388) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-11-29 02:28:58,724 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 267 280) no Hoare annotation was computed. [2023-11-29 02:28:58,725 INFO L895 garLoopResultBuilder]: At program point L383(line 383) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (= 0 ~systemActive~0)) [2023-11-29 02:28:58,725 INFO L899 garLoopResultBuilder]: For program point L383-1(lines 364 388) no Hoare annotation was computed. [2023-11-29 02:28:58,725 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 364 388) no Hoare annotation was computed. [2023-11-29 02:28:58,725 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 202 213) no Hoare annotation was computed. [2023-11-29 02:28:58,725 INFO L899 garLoopResultBuilder]: For program point L206-1(lines 202 213) no Hoare annotation was computed. [2023-11-29 02:28:58,725 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 202 213) 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 (< 1 |old(~waterLevel~0)|) (< |old(~waterLevel~0)| 1) .cse0 (= ~waterLevel~0 1)) (or (< |old(~waterLevel~0)| 2) .cse1 .cse2))) [2023-11-29 02:28:58,728 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:28:58,730 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:28:58,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:28:58 BoogieIcfgContainer [2023-11-29 02:28:58,740 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:28:58,741 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:28:58,741 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:28:58,741 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:28:58,741 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:28:51" (3/4) ... [2023-11-29 02:28:58,743 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 02:28:58,746 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-29 02:28:58,746 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-29 02:28:58,746 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-29 02:28:58,746 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-29 02:28:58,747 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-29 02:28:58,747 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-29 02:28:58,747 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-29 02:28:58,754 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2023-11-29 02:28:58,755 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-29 02:28:58,756 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 02:28:58,756 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 02:28:58,757 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 02:28:58,857 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 02:28:58,858 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 02:28:58,858 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:28:58,859 INFO L158 Benchmark]: Toolchain (without parser) took 8024.58ms. Allocated memory was 138.4MB in the beginning and 201.3MB in the end (delta: 62.9MB). Free memory was 96.9MB in the beginning and 105.2MB in the end (delta: -8.3MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2023-11-29 02:28:58,859 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:28:58,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.32ms. Allocated memory is still 138.4MB. Free memory was 96.9MB in the beginning and 101.4MB in the end (delta: -4.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 02:28:58,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.88ms. Allocated memory is still 138.4MB. Free memory was 100.9MB in the beginning and 98.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:28:58,860 INFO L158 Benchmark]: Boogie Preprocessor took 44.17ms. Allocated memory is still 138.4MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 02:28:58,861 INFO L158 Benchmark]: RCFGBuilder took 440.51ms. Allocated memory is still 138.4MB. Free memory was 96.7MB in the beginning and 74.6MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-29 02:28:58,861 INFO L158 Benchmark]: TraceAbstraction took 6922.46ms. Allocated memory was 138.4MB in the beginning and 201.3MB in the end (delta: 62.9MB). Free memory was 74.1MB in the beginning and 112.6MB in the end (delta: -38.4MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. [2023-11-29 02:28:58,861 INFO L158 Benchmark]: Witness Printer took 117.55ms. Allocated memory is still 201.3MB. Free memory was 112.6MB in the beginning and 105.2MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 02:28:58,863 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 443.32ms. Allocated memory is still 138.4MB. Free memory was 96.9MB in the beginning and 101.4MB in the end (delta: -4.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.88ms. Allocated memory is still 138.4MB. Free memory was 100.9MB in the beginning and 98.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.17ms. Allocated memory is still 138.4MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 440.51ms. Allocated memory is still 138.4MB. Free memory was 96.7MB in the beginning and 74.6MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 6922.46ms. Allocated memory was 138.4MB in the beginning and 201.3MB in the end (delta: 62.9MB). Free memory was 74.1MB in the beginning and 112.6MB in the end (delta: -38.4MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. * Witness Printer took 117.55ms. Allocated memory is still 201.3MB. Free memory was 112.6MB in the beginning and 105.2MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [153] - GenericResultAtLocation [Line: 182]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [182] - GenericResultAtLocation [Line: 290]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [290] - GenericResultAtLocation [Line: 325]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [325] - GenericResultAtLocation [Line: 540]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [540] - GenericResultAtLocation [Line: 607]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [607] - GenericResultAtLocation [Line: 616]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [616] * 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: 612]: 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, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1081 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1057 mSDsluCounter, 2100 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1388 mSDsCounter, 258 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1720 IncrementalHoareTripleChecker+Invalid, 1978 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 258 mSolverCounterUnsat, 712 mSDtfsCounter, 1720 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 427 GetRequests, 335 SyntacticMatches, 9 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=589occurred in iteration=11, InterpolantAutomatonStates: 86, 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, 215 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 718 PreInvPairs, 770 NumberOfFragments, 430 HoareAnnotationTreeSize, 718 FomulaSimplifications, 2390 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 21 FomulaSimplificationsInter, 2113 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 686 NumberOfCodeBlocks, 686 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 731 ConstructedInterpolants, 0 QuantifiedInterpolants, 1412 SizeOfPredicates, 6 NumberOfNonLiveVariables, 802 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 258/285 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: 550]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0) && (tmp == 1)) && (splverifierCounter == 0)) && (1 <= waterLevel)) && !((0 == systemActive))) || ((((tmp == 1) && (2 <= waterLevel)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || (((pumpRunning == 0) && (splverifierCounter == 0)) && (0 == systemActive))) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-29 02:28:58,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d00f2798-42fb-48b6-9a3c-c6af2d6fe00a/bin/uautomizer-verify-BQ2R08f2Ya/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