./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721d44fb-38ef-41ec-b199-0a4dfe83f706/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721d44fb-38ef-41ec-b199-0a4dfe83f706/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721d44fb-38ef-41ec-b199-0a4dfe83f706/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721d44fb-38ef-41ec-b199-0a4dfe83f706/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721d44fb-38ef-41ec-b199-0a4dfe83f706/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721d44fb-38ef-41ec-b199-0a4dfe83f706/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 f18c518732faf536b365bed3360055c2f4eb753a861011ef1bbe74f5b721db8d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:11:34,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:11:34,182 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721d44fb-38ef-41ec-b199-0a4dfe83f706/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 23:11:34,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:11:34,193 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:11:34,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:11:34,236 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:11:34,237 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:11:34,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:11:34,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:11:34,244 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:11:34,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:11:34,245 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:11:34,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:11:34,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:11:34,248 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:11:34,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:11:34,249 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:11:34,249 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:11:34,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:11:34,250 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:11:34,251 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:11:34,251 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:11:34,252 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:11:34,252 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:11:34,253 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:11:34,254 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:11:34,254 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:11:34,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:34,255 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:11:34,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:11:34,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:11:34,257 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:11:34,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:11:34,258 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:11:34,258 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:11:34,258 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:11:34,259 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:11:34,259 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:11:34,259 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_721d44fb-38ef-41ec-b199-0a4dfe83f706/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721d44fb-38ef-41ec-b199-0a4dfe83f706/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f18c518732faf536b365bed3360055c2f4eb753a861011ef1bbe74f5b721db8d [2023-11-06 23:11:34,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:11:34,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:11:34,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:11:34,603 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:11:34,604 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:11:34,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721d44fb-38ef-41ec-b199-0a4dfe83f706/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2023-11-06 23:11:37,925 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:11:38,271 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:11:38,275 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721d44fb-38ef-41ec-b199-0a4dfe83f706/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c [2023-11-06 23:11:38,302 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721d44fb-38ef-41ec-b199-0a4dfe83f706/bin/uautomizer-verify-WvqO1wxjHP/data/45e5d732f/481367bffd6940b4a439c7e7203d83dc/FLAG8d2c243a5 [2023-11-06 23:11:38,326 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721d44fb-38ef-41ec-b199-0a4dfe83f706/bin/uautomizer-verify-WvqO1wxjHP/data/45e5d732f/481367bffd6940b4a439c7e7203d83dc [2023-11-06 23:11:38,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:11:38,336 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:11:38,340 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:11:38,340 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:11:38,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:11:38,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:11:38" (1/1) ... [2023-11-06 23:11:38,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@127b3242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:38, skipping insertion in model container [2023-11-06 23:11:38,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:11:38" (1/1) ... [2023-11-06 23:11:38,435 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:11:38,825 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_721d44fb-38ef-41ec-b199-0a4dfe83f706/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c[18005,18018] [2023-11-06 23:11:38,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:11:38,848 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:11:38,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-11-06 23:11:38,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [150] [2023-11-06 23:11:38,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [516] [2023-11-06 23:11:38,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [721] [2023-11-06 23:11:38,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [791] [2023-11-06 23:11:38,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [829] [2023-11-06 23:11:38,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [927] [2023-11-06 23:11:38,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [936] [2023-11-06 23:11:38,955 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_721d44fb-38ef-41ec-b199-0a4dfe83f706/sv-benchmarks/c/product-lines/minepump_spec5_product44.cil.c[18005,18018] [2023-11-06 23:11:38,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:11:39,002 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:11:39,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:39 WrapperNode [2023-11-06 23:11:39,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:11:39,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:11:39,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:11:39,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:11:39,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:39" (1/1) ... [2023-11-06 23:11:39,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:39" (1/1) ... [2023-11-06 23:11:39,094 INFO L138 Inliner]: procedures = 57, calls = 101, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 208 [2023-11-06 23:11:39,099 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:11:39,100 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:11:39,100 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:11:39,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:11:39,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:39" (1/1) ... [2023-11-06 23:11:39,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:39" (1/1) ... [2023-11-06 23:11:39,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:39" (1/1) ... [2023-11-06 23:11:39,119 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:39" (1/1) ... [2023-11-06 23:11:39,125 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:39" (1/1) ... [2023-11-06 23:11:39,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:39" (1/1) ... [2023-11-06 23:11:39,133 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:39" (1/1) ... [2023-11-06 23:11:39,135 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:39" (1/1) ... [2023-11-06 23:11:39,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:11:39,140 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:11:39,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:11:39,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:11:39,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:39" (1/1) ... [2023-11-06 23:11:39,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:39,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721d44fb-38ef-41ec-b199-0a4dfe83f706/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:39,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721d44fb-38ef-41ec-b199-0a4dfe83f706/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:11:39,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721d44fb-38ef-41ec-b199-0a4dfe83f706/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:11:39,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:11:39,260 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-06 23:11:39,261 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-06 23:11:39,261 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-06 23:11:39,261 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-06 23:11:39,261 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-06 23:11:39,261 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-06 23:11:39,262 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-06 23:11:39,262 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-06 23:11:39,262 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-06 23:11:39,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-06 23:11:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:11:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-06 23:11:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-06 23:11:39,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:11:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:11:39,383 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:11:39,391 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:11:39,774 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:11:39,788 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:11:39,788 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 23:11:39,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:39 BoogieIcfgContainer [2023-11-06 23:11:39,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:11:39,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:11:39,797 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:11:39,801 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:11:39,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:11:38" (1/3) ... [2023-11-06 23:11:39,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@577789b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:11:39, skipping insertion in model container [2023-11-06 23:11:39,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:39" (2/3) ... [2023-11-06 23:11:39,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@577789b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:11:39, skipping insertion in model container [2023-11-06 23:11:39,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:39" (3/3) ... [2023-11-06 23:11:39,805 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2023-11-06 23:11:39,830 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:11:39,830 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:11:39,899 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:11:39,908 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=LoopsAndPotentialCycles, 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;@664e4665, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:11:39,908 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:11:39,915 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 77 states have internal predecessors, (97), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 23:11:39,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-06 23:11:39,929 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:39,930 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 23:11:39,931 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:39,938 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:39,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1684151890, now seen corresponding path program 1 times [2023-11-06 23:11:39,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:39,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230030443] [2023-11-06 23:11:39,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:39,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:40,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-06 23:11:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:40,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 23:11:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:40,231 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 23:11:40,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:40,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230030443] [2023-11-06 23:11:40,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230030443] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:40,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:40,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:40,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102745349] [2023-11-06 23:11:40,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:40,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:11:40,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:40,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:11:40,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:11:40,301 INFO L87 Difference]: Start difference. First operand has 89 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 77 states have internal predecessors, (97), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:11:40,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:40,359 INFO L93 Difference]: Finished difference Result 169 states and 228 transitions. [2023-11-06 23:11:40,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:11:40,362 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2023-11-06 23:11:40,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:40,374 INFO L225 Difference]: With dead ends: 169 [2023-11-06 23:11:40,374 INFO L226 Difference]: Without dead ends: 80 [2023-11-06 23:11:40,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:11:40,384 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:40,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:40,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-06 23:11:40,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-06 23:11:40,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 64 states have (on average 1.296875) internal successors, (83), 69 states have internal predecessors, (83), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-06 23:11:40,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 102 transitions. [2023-11-06 23:11:40,437 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 102 transitions. Word has length 32 [2023-11-06 23:11:40,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:40,438 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 102 transitions. [2023-11-06 23:11:40,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:11:40,439 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 102 transitions. [2023-11-06 23:11:40,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-06 23:11:40,442 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:40,443 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 23:11:40,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:11:40,444 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:40,444 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:40,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1709273223, now seen corresponding path program 1 times [2023-11-06 23:11:40,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:40,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52183112] [2023-11-06 23:11:40,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:40,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:40,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 23:11:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:40,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 23:11:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:40,702 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 23:11:40,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:40,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52183112] [2023-11-06 23:11:40,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52183112] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:40,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:40,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:11:40,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606926345] [2023-11-06 23:11:40,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:40,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:40,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:40,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:40,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:40,719 INFO L87 Difference]: Start difference. First operand 80 states and 102 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:11:40,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:40,761 INFO L93 Difference]: Finished difference Result 120 states and 153 transitions. [2023-11-06 23:11:40,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:40,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2023-11-06 23:11:40,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:40,770 INFO L225 Difference]: With dead ends: 120 [2023-11-06 23:11:40,770 INFO L226 Difference]: Without dead ends: 71 [2023-11-06 23:11:40,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:40,772 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 18 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:40,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 156 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:40,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-06 23:11:40,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-06 23:11:40,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 63 states have internal predecessors, (76), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-06 23:11:40,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2023-11-06 23:11:40,801 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 33 [2023-11-06 23:11:40,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:40,802 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2023-11-06 23:11:40,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:11:40,802 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2023-11-06 23:11:40,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-06 23:11:40,804 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:40,805 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 23:11:40,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:11:40,805 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:40,806 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:40,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1502879027, now seen corresponding path program 1 times [2023-11-06 23:11:40,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:40,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442425227] [2023-11-06 23:11:40,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:40,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:40,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 23:11:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:40,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-06 23:11:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:40,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 23:11:40,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:40,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442425227] [2023-11-06 23:11:40,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442425227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:40,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:40,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:11:40,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475460410] [2023-11-06 23:11:40,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:40,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:40,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:40,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:40,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:40,967 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 23:11:41,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:41,060 INFO L93 Difference]: Finished difference Result 195 states and 253 transitions. [2023-11-06 23:11:41,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:41,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 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 38 [2023-11-06 23:11:41,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:41,064 INFO L225 Difference]: With dead ends: 195 [2023-11-06 23:11:41,064 INFO L226 Difference]: Without dead ends: 132 [2023-11-06 23:11:41,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:41,068 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 78 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:41,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 181 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:41,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-11-06 23:11:41,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 127. [2023-11-06 23:11:41,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 102 states have (on average 1.3333333333333333) internal successors, (136), 111 states have internal predecessors, (136), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 23:11:41,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 164 transitions. [2023-11-06 23:11:41,122 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 164 transitions. Word has length 38 [2023-11-06 23:11:41,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:41,123 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 164 transitions. [2023-11-06 23:11:41,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 23:11:41,123 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 164 transitions. [2023-11-06 23:11:41,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-06 23:11:41,126 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:41,127 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-06 23:11:41,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:11:41,127 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:41,128 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:41,128 INFO L85 PathProgramCache]: Analyzing trace with hash -793445015, now seen corresponding path program 1 times [2023-11-06 23:11:41,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:41,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6936516] [2023-11-06 23:11:41,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:41,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:41,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-06 23:11:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:41,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 23:11:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:41,413 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:11:41,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:41,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6936516] [2023-11-06 23:11:41,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6936516] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:41,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:41,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 23:11:41,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17609568] [2023-11-06 23:11:41,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:41,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:11:41,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:41,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:11:41,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:11:41,418 INFO L87 Difference]: Start difference. First operand 127 states and 164 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:11:41,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:41,612 INFO L93 Difference]: Finished difference Result 334 states and 438 transitions. [2023-11-06 23:11:41,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 23:11:41,613 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2023-11-06 23:11:41,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:41,616 INFO L225 Difference]: With dead ends: 334 [2023-11-06 23:11:41,616 INFO L226 Difference]: Without dead ends: 215 [2023-11-06 23:11:41,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-06 23:11:41,620 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 46 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:41,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 379 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:11:41,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2023-11-06 23:11:41,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 211. [2023-11-06 23:11:41,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 166 states have (on average 1.2951807228915662) internal successors, (215), 179 states have internal predecessors, (215), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (28), 24 states have call predecessors, (28), 24 states have call successors, (28) [2023-11-06 23:11:41,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 267 transitions. [2023-11-06 23:11:41,658 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 267 transitions. Word has length 41 [2023-11-06 23:11:41,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:41,659 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 267 transitions. [2023-11-06 23:11:41,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:11:41,659 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 267 transitions. [2023-11-06 23:11:41,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-06 23:11:41,662 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:41,662 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:41,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 23:11:41,663 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:41,663 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:41,663 INFO L85 PathProgramCache]: Analyzing trace with hash 855988844, now seen corresponding path program 1 times [2023-11-06 23:11:41,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:41,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147999677] [2023-11-06 23:11:41,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:41,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:41,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 23:11:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:41,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 23:11:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:41,786 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 23:11:41,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:41,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147999677] [2023-11-06 23:11:41,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147999677] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:41,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:41,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:11:41,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727287569] [2023-11-06 23:11:41,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:41,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:11:41,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:41,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:11:41,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:11:41,792 INFO L87 Difference]: Start difference. First operand 211 states and 267 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 23:11:41,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:41,864 INFO L93 Difference]: Finished difference Result 444 states and 574 transitions. [2023-11-06 23:11:41,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:11:41,865 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 1 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 51 [2023-11-06 23:11:41,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:41,870 INFO L225 Difference]: With dead ends: 444 [2023-11-06 23:11:41,870 INFO L226 Difference]: Without dead ends: 241 [2023-11-06 23:11:41,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:11:41,874 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 13 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:41,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 380 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:41,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2023-11-06 23:11:41,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 217. [2023-11-06 23:11:41,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 172 states have (on average 1.2848837209302326) internal successors, (221), 185 states have internal predecessors, (221), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (28), 24 states have call predecessors, (28), 24 states have call successors, (28) [2023-11-06 23:11:41,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 273 transitions. [2023-11-06 23:11:41,932 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 273 transitions. Word has length 51 [2023-11-06 23:11:41,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:41,936 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 273 transitions. [2023-11-06 23:11:41,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 23:11:41,937 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 273 transitions. [2023-11-06 23:11:41,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-06 23:11:41,946 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:41,947 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:41,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 23:11:41,948 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:41,952 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:41,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1278690670, now seen corresponding path program 1 times [2023-11-06 23:11:41,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:41,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634385196] [2023-11-06 23:11:41,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:41,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:42,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 23:11:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:42,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 23:11:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:42,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 23:11:42,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:42,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634385196] [2023-11-06 23:11:42,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634385196] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:42,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:42,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:11:42,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860362655] [2023-11-06 23:11:42,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:42,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:11:42,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:42,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:11:42,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:11:42,102 INFO L87 Difference]: Start difference. First operand 217 states and 273 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 23:11:42,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:42,206 INFO L93 Difference]: Finished difference Result 464 states and 594 transitions. [2023-11-06 23:11:42,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 23:11:42,207 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 2 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 51 [2023-11-06 23:11:42,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:42,213 INFO L225 Difference]: With dead ends: 464 [2023-11-06 23:11:42,213 INFO L226 Difference]: Without dead ends: 255 [2023-11-06 23:11:42,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 23:11:42,221 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 117 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:42,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 396 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:42,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2023-11-06 23:11:42,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 221. [2023-11-06 23:11:42,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 176 states have (on average 1.2784090909090908) internal successors, (225), 189 states have internal predecessors, (225), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (28), 24 states have call predecessors, (28), 24 states have call successors, (28) [2023-11-06 23:11:42,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 277 transitions. [2023-11-06 23:11:42,285 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 277 transitions. Word has length 51 [2023-11-06 23:11:42,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:42,285 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 277 transitions. [2023-11-06 23:11:42,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 23:11:42,286 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 277 transitions. [2023-11-06 23:11:42,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-06 23:11:42,288 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:42,288 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:42,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 23:11:42,289 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:42,290 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:42,290 INFO L85 PathProgramCache]: Analyzing trace with hash -526747664, now seen corresponding path program 1 times [2023-11-06 23:11:42,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:42,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941984566] [2023-11-06 23:11:42,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:42,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:42,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 23:11:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:42,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 23:11:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:42,500 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 23:11:42,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:42,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941984566] [2023-11-06 23:11:42,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941984566] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:42,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:42,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:11:42,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977216774] [2023-11-06 23:11:42,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:42,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:42,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:42,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:42,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:42,503 INFO L87 Difference]: Start difference. First operand 221 states and 277 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 23:11:42,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:42,580 INFO L93 Difference]: Finished difference Result 528 states and 667 transitions. [2023-11-06 23:11:42,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:42,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 2 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 51 [2023-11-06 23:11:42,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:42,585 INFO L225 Difference]: With dead ends: 528 [2023-11-06 23:11:42,586 INFO L226 Difference]: Without dead ends: 315 [2023-11-06 23:11:42,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:42,593 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 39 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:42,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 165 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:42,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2023-11-06 23:11:42,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2023-11-06 23:11:42,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 250 states have (on average 1.248) internal successors, (312), 265 states have internal predecessors, (312), 36 states have call successors, (36), 30 states have call predecessors, (36), 28 states have return successors, (40), 34 states have call predecessors, (40), 36 states have call successors, (40) [2023-11-06 23:11:42,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 388 transitions. [2023-11-06 23:11:42,648 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 388 transitions. Word has length 51 [2023-11-06 23:11:42,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:42,651 INFO L495 AbstractCegarLoop]: Abstraction has 315 states and 388 transitions. [2023-11-06 23:11:42,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 23:11:42,652 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 388 transitions. [2023-11-06 23:11:42,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-06 23:11:42,654 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:42,654 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:42,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 23:11:42,655 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:42,656 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:42,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1427287338, now seen corresponding path program 1 times [2023-11-06 23:11:42,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:42,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656133429] [2023-11-06 23:11:42,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:42,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:42,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 23:11:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:42,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 23:11:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:42,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 23:11:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:42,924 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 23:11:42,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:42,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656133429] [2023-11-06 23:11:42,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656133429] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:42,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:42,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:11:42,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757851688] [2023-11-06 23:11:42,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:42,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:11:42,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:42,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:11:42,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:11:42,933 INFO L87 Difference]: Start difference. First operand 315 states and 388 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 23:11:43,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:43,558 INFO L93 Difference]: Finished difference Result 1052 states and 1359 transitions. [2023-11-06 23:11:43,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-06 23:11:43,559 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 55 [2023-11-06 23:11:43,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:43,567 INFO L225 Difference]: With dead ends: 1052 [2023-11-06 23:11:43,567 INFO L226 Difference]: Without dead ends: 839 [2023-11-06 23:11:43,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2023-11-06 23:11:43,571 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 385 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:43,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 570 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 23:11:43,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2023-11-06 23:11:43,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 815. [2023-11-06 23:11:43,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 815 states, 648 states have (on average 1.2191358024691359) internal successors, (790), 689 states have internal predecessors, (790), 90 states have call successors, (90), 66 states have call predecessors, (90), 76 states have return successors, (128), 86 states have call predecessors, (128), 90 states have call successors, (128) [2023-11-06 23:11:43,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1008 transitions. [2023-11-06 23:11:43,714 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1008 transitions. Word has length 55 [2023-11-06 23:11:43,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:43,714 INFO L495 AbstractCegarLoop]: Abstraction has 815 states and 1008 transitions. [2023-11-06 23:11:43,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 23:11:43,715 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1008 transitions. [2023-11-06 23:11:43,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-06 23:11:43,718 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:43,718 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2023-11-06 23:11:43,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 23:11:43,718 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:43,719 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:43,719 INFO L85 PathProgramCache]: Analyzing trace with hash -616604212, now seen corresponding path program 1 times [2023-11-06 23:11:43,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:43,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785722585] [2023-11-06 23:11:43,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:43,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:43,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 23:11:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:43,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 23:11:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:43,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:11:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:43,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-06 23:11:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:43,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 23:11:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:43,865 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-06 23:11:43,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:43,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785722585] [2023-11-06 23:11:43,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785722585] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:43,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:43,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 23:11:43,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214527906] [2023-11-06 23:11:43,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:43,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:11:43,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:43,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:11:43,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:11:43,870 INFO L87 Difference]: Start difference. First operand 815 states and 1008 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-06 23:11:44,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:44,230 INFO L93 Difference]: Finished difference Result 1379 states and 1704 transitions. [2023-11-06 23:11:44,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 23:11:44,231 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 85 [2023-11-06 23:11:44,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:44,235 INFO L225 Difference]: With dead ends: 1379 [2023-11-06 23:11:44,235 INFO L226 Difference]: Without dead ends: 572 [2023-11-06 23:11:44,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-06 23:11:44,239 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 186 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:44,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 315 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:11:44,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2023-11-06 23:11:44,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 562. [2023-11-06 23:11:44,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 445 states have (on average 1.208988764044944) internal successors, (538), 473 states have internal predecessors, (538), 63 states have call successors, (63), 48 states have call predecessors, (63), 53 states have return successors, (83), 60 states have call predecessors, (83), 63 states have call successors, (83) [2023-11-06 23:11:44,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 684 transitions. [2023-11-06 23:11:44,353 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 684 transitions. Word has length 85 [2023-11-06 23:11:44,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:44,354 INFO L495 AbstractCegarLoop]: Abstraction has 562 states and 684 transitions. [2023-11-06 23:11:44,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-06 23:11:44,355 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 684 transitions. [2023-11-06 23:11:44,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-06 23:11:44,356 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:44,357 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:44,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 23:11:44,357 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:11:44,357 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:44,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1396479385, now seen corresponding path program 1 times [2023-11-06 23:11:44,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:44,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568268731] [2023-11-06 23:11:44,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:44,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:44,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 23:11:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:44,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 23:11:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:44,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:11:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:44,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-06 23:11:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:44,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 23:11:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:44,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-06 23:11:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:44,581 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-06 23:11:44,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:44,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568268731] [2023-11-06 23:11:44,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568268731] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:11:44,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134690716] [2023-11-06 23:11:44,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:44,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:44,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721d44fb-38ef-41ec-b199-0a4dfe83f706/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:44,587 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721d44fb-38ef-41ec-b199-0a4dfe83f706/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:44,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721d44fb-38ef-41ec-b199-0a4dfe83f706/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 23:11:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:44,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 23:11:44,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:44,962 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:11:44,963 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:11:45,245 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-06 23:11:45,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134690716] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:11:45,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:11:45,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 14 [2023-11-06 23:11:45,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704336536] [2023-11-06 23:11:45,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:11:45,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 23:11:45,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:45,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 23:11:45,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-11-06 23:11:45,250 INFO L87 Difference]: Start difference. First operand 562 states and 684 transitions. Second operand has 14 states, 14 states have (on average 7.642857142857143) internal successors, (107), 10 states have internal predecessors, (107), 6 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 6 states have call successors, (13) [2023-11-06 23:11:46,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:46,357 INFO L93 Difference]: Finished difference Result 1055 states and 1307 transitions. [2023-11-06 23:11:46,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-06 23:11:46,358 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.642857142857143) internal successors, (107), 10 states have internal predecessors, (107), 6 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 6 states have call successors, (13) Word has length 87 [2023-11-06 23:11:46,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:46,359 INFO L225 Difference]: With dead ends: 1055 [2023-11-06 23:11:46,359 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 23:11:46,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 185 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=256, Invalid=934, Unknown=0, NotChecked=0, Total=1190 [2023-11-06 23:11:46,365 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 335 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:46,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 1008 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 23:11:46,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 23:11:46,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 23:11:46,366 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) [2023-11-06 23:11:46,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 23:11:46,367 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 87 [2023-11-06 23:11:46,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:46,367 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:11:46,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.642857142857143) internal successors, (107), 10 states have internal predecessors, (107), 6 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 6 states have call successors, (13) [2023-11-06 23:11:46,368 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 23:11:46,368 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 23:11:46,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:11:46,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721d44fb-38ef-41ec-b199-0a4dfe83f706/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-06 23:11:46,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721d44fb-38ef-41ec-b199-0a4dfe83f706/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 23:11:46,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 23:11:52,022 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 556 562) no Hoare annotation was computed. [2023-11-06 23:11:52,022 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 556 562) the Hoare annotation is: true [2023-11-06 23:11:52,022 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 94) the Hoare annotation is: true [2023-11-06 23:11:52,023 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2023-11-06 23:11:52,023 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2023-11-06 23:11:52,023 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 831 860) no Hoare annotation was computed. [2023-11-06 23:11:52,023 INFO L902 garLoopResultBuilder]: At program point L856(lines 831 860) the Hoare annotation is: true [2023-11-06 23:11:52,023 INFO L899 garLoopResultBuilder]: For program point L852(line 852) no Hoare annotation was computed. [2023-11-06 23:11:52,023 INFO L899 garLoopResultBuilder]: For program point L845(lines 845 849) no Hoare annotation was computed. [2023-11-06 23:11:52,023 INFO L902 garLoopResultBuilder]: At program point L845-1(lines 845 849) the Hoare annotation is: true [2023-11-06 23:11:52,024 INFO L899 garLoopResultBuilder]: For program point L842(line 842) no Hoare annotation was computed. [2023-11-06 23:11:52,024 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 831 860) the Hoare annotation is: true [2023-11-06 23:11:52,025 INFO L902 garLoopResultBuilder]: At program point L841-2(lines 841 855) the Hoare annotation is: true [2023-11-06 23:11:52,026 INFO L902 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: true [2023-11-06 23:11:52,026 INFO L899 garLoopResultBuilder]: For program point L837-1(line 837) no Hoare annotation was computed. [2023-11-06 23:11:52,026 INFO L899 garLoopResultBuilder]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2023-11-06 23:11:52,026 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 611) no Hoare annotation was computed. [2023-11-06 23:11:52,027 INFO L899 garLoopResultBuilder]: For program point L572(lines 572 580) no Hoare annotation was computed. [2023-11-06 23:11:52,027 INFO L895 garLoopResultBuilder]: At program point L605-2(lines 598 614) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 2)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (not .cse1) .cse2) (let ((.cse3 (= 2 ~waterLevel~0))) (or (and (<= 1 ~pumpRunning~0) .cse3 .cse1) .cse4 .cse0 (and (= ~pumpRunning~0 0) .cse3 .cse1) .cse5)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse2 .cse5) (or .cse4 .cse5 (not (= 0 ~systemActive~0))))) [2023-11-06 23:11:52,027 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 585) no Hoare annotation was computed. [2023-11-06 23:11:52,028 INFO L899 garLoopResultBuilder]: For program point L688(lines 688 692) no Hoare annotation was computed. [2023-11-06 23:11:52,028 INFO L899 garLoopResultBuilder]: For program point L688-2(lines 688 692) no Hoare annotation was computed. [2023-11-06 23:11:52,028 INFO L899 garLoopResultBuilder]: For program point L969(lines 969 975) no Hoare annotation was computed. [2023-11-06 23:11:52,028 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 529 555) no Hoare annotation was computed. [2023-11-06 23:11:52,028 INFO L899 garLoopResultBuilder]: For program point L932(line 932) no Hoare annotation was computed. [2023-11-06 23:11:52,029 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 136 149) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| 2)) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (let ((.cse1 (= ~pumpRunning~0 0))) (or .cse0 (and .cse1 (not (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 (and .cse1 (= 2 ~waterLevel~0) .cse3) .cse4)) (or .cse2 (not .cse3) .cse5) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse2 .cse5 .cse4) (or .cse0 .cse4 (not (= 0 ~systemActive~0))))) [2023-11-06 23:11:52,030 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 542) no Hoare annotation was computed. [2023-11-06 23:11:52,030 INFO L899 garLoopResultBuilder]: For program point L536-2(lines 532 554) no Hoare annotation was computed. [2023-11-06 23:11:52,034 INFO L895 garLoopResultBuilder]: At program point getWaterLevel_returnLabel#1(lines 127 135) the Hoare annotation is: (let ((.cse13 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse14 (= 2 ~waterLevel~0)) (.cse15 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse12 (= 1 ~systemActive~0)) (.cse11 (= |old(~waterLevel~0)| 2))) (let ((.cse3 (and .cse6 .cse14 .cse15 .cse12 .cse11)) (.cse8 (and .cse13 .cse14 .cse15 .cse11)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and .cse13 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse10 (not (= 0 ~systemActive~0))) (.cse2 (not .cse12)) (.cse9 (not .cse11)) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse7 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse2 .cse5 (and .cse6 (<= ~waterLevel~0 2) .cse7) .cse4) (or .cse0 .cse2 .cse8 .cse3 .cse9) (or .cse0 .cse8 .cse9 .cse10) (or .cse0 .cse1 .cse4 .cse10) (or .cse2 .cse9 .cse5 (and .cse6 (= ~waterLevel~0 1) .cse7))))) [2023-11-06 23:11:52,034 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2023-11-06 23:11:52,035 INFO L895 garLoopResultBuilder]: At program point L966(line 966) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| 1)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse8 (not (= 0 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 2) .cse3) .cse4) (or .cse5 .cse0 .cse6) (or .cse5 .cse7 .cse4 .cse8) (or .cse0 .cse6 .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3)) (or .cse5 .cse6 .cse8) (or .cse5 .cse7 .cse0 .cse4))) [2023-11-06 23:11:52,035 INFO L899 garLoopResultBuilder]: For program point L966-1(line 966) no Hoare annotation was computed. [2023-11-06 23:11:52,035 INFO L895 garLoopResultBuilder]: At program point L578(line 578) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |timeShift_processEnvironment_~tmp~3#1| 0))) (or .cse1 (not (= |old(~waterLevel~0)| 2)) .cse3) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse3 .cse2) (or .cse0 .cse2 (not (= 0 ~systemActive~0))))) [2023-11-06 23:11:52,036 INFO L895 garLoopResultBuilder]: At program point activatePump__wrappee__highWaterSensor_returnLabel#1(lines 589 596) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| 2)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (< 2 |old(~waterLevel~0)|))) (and (or (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0) .cse0) .cse1 .cse2 .cse3) (or .cse2 (not .cse0) .cse4) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse2 .cse4 .cse3) (or .cse1 .cse3 (not (= 0 ~systemActive~0))))) [2023-11-06 23:11:52,036 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 928 935) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= |old(~waterLevel~0)| 2)) .cse3) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse3 .cse2) (or .cse0 .cse2 (not (= 0 ~systemActive~0))))) [2023-11-06 23:11:52,036 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 529 555) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse6 (and (= ~pumpRunning~0 0) .cse3 .cse4)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (< 2 |old(~waterLevel~0)|))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5) (or .cse6 .cse7 .cse0 .cse5) (or .cse0 (and .cse2 (= 2 ~waterLevel~0) .cse3) (not (= |old(~waterLevel~0)| 2)) .cse1) (or .cse6 .cse7 .cse5 (not (= 0 ~systemActive~0)))))) [2023-11-06 23:11:52,037 INFO L895 garLoopResultBuilder]: At program point L583(line 583) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 2) .cse3) .cse4) (or .cse5 .cse0 .cse4) (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3)) (or .cse5 .cse4 (not (= 0 ~systemActive~0))))) [2023-11-06 23:11:52,037 INFO L895 garLoopResultBuilder]: At program point L583-1(lines 564 588) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse5 (= |old(~waterLevel~0)| 2)) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 2) .cse3) .cse4) (or (and .cse2 (= 2 ~waterLevel~0) .cse5) .cse6 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse4) (or .cse0 (not .cse5) .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3)) (or .cse6 .cse4 (not (= 0 ~systemActive~0))))) [2023-11-06 23:11:52,037 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2023-11-06 23:11:52,038 INFO L895 garLoopResultBuilder]: At program point L63-2(lines 59 70) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 2) .cse3) .cse4) (or .cse5 .cse0 .cse4) (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3)) (or .cse5 .cse4 (not (= 0 ~systemActive~0))))) [2023-11-06 23:11:52,038 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 679 697) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 2)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (not .cse1) .cse2) (let ((.cse4 (= ~pumpRunning~0 0))) (or .cse3 (and .cse4 (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0) (= |timeShift_isHighWaterLevel_#res#1| 0) (not (= |timeShift_isHighWaterLevel_~tmp~5#1| 0)) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 (and .cse4 (= 2 ~waterLevel~0) .cse1) .cse5)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse2 .cse5) (or .cse3 .cse5 (not (= 0 ~systemActive~0))))) [2023-11-06 23:11:52,039 INFO L895 garLoopResultBuilder]: At program point L951(line 951) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse6 (and (= ~pumpRunning~0 0) .cse3 .cse4)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (< 2 |old(~waterLevel~0)|))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5) (or .cse6 .cse7 .cse0 .cse5) (or .cse0 (and .cse2 (= 2 ~waterLevel~0) .cse3) (not (= |old(~waterLevel~0)| 2)) .cse1) (or .cse6 .cse7 .cse5 (not (= 0 ~systemActive~0)))))) [2023-11-06 23:11:52,039 INFO L899 garLoopResultBuilder]: For program point L951-1(line 951) no Hoare annotation was computed. [2023-11-06 23:11:52,039 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification5_spec__2_returnLabel#1(lines 946 955) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse7 (< |old(~pumpRunning~0)| 1)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse5)) (.cse3 (not (= 1 ~systemActive~0))) (.cse2 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~systemActive~0))) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse3 (and .cse4 .cse5 .cse6) .cse7 .cse2) (or .cse3 (not (= |old(~waterLevel~0)| 2)) .cse7 (and .cse4 (= 2 ~waterLevel~0) .cse6)) (or .cse0 .cse1 .cse3 .cse2)))) [2023-11-06 23:11:52,040 INFO L895 garLoopResultBuilder]: At program point isMethaneLevelCritical_returnLabel#1(lines 95 103) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 2)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (not .cse1) .cse2) (or .cse3 .cse0 (and (= ~pumpRunning~0 0) (= 2 ~waterLevel~0) .cse1) .cse4) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse2 .cse4) (or .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2023-11-06 23:11:52,040 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 529 555) no Hoare annotation was computed. [2023-11-06 23:11:52,040 INFO L895 garLoopResultBuilder]: At program point isMethaneAlarm_returnLabel#1(lines 623 633) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 2)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (not .cse1) .cse2) (or .cse3 .cse0 (and (= ~pumpRunning~0 0) (= 2 ~waterLevel~0) .cse1) .cse4) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse2 .cse4) (or .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2023-11-06 23:11:52,040 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2023-11-06 23:11:52,041 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 978) no Hoare annotation was computed. [2023-11-06 23:11:52,041 INFO L899 garLoopResultBuilder]: For program point L964(lines 964 981) no Hoare annotation was computed. [2023-11-06 23:11:52,042 INFO L895 garLoopResultBuilder]: At program point L964-1(lines 956 984) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| 2))) (let ((.cse9 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| 2) (= 2 |timeShift_getWaterLevel_#res#1|))) (.cse10 (not (= 0 ~systemActive~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not .cse8)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse2 .cse4 (and .cse5 (<= ~waterLevel~0 2) .cse6) .cse7) (or (and .cse5 (= 2 ~waterLevel~0) .cse8) .cse0 .cse9 .cse2 .cse7) (or .cse0 .cse9 .cse7 .cse10) (or .cse0 .cse1 .cse3 .cse10) (or .cse2 .cse3 .cse4 (and .cse5 (= ~waterLevel~0 1) .cse6))))) [2023-11-06 23:11:52,042 INFO L895 garLoopResultBuilder]: At program point startSystem_returnLabel#1(lines 713 720) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2023-11-06 23:11:52,042 INFO L895 garLoopResultBuilder]: At program point L783(lines 732 784) the Hoare annotation is: false [2023-11-06 23:11:52,042 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 893 903) the Hoare annotation is: true [2023-11-06 23:11:52,043 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 806 812) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 23:11:52,043 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 904 926) the Hoare annotation is: true [2023-11-06 23:11:52,043 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 777) no Hoare annotation was computed. [2023-11-06 23:11:52,043 INFO L895 garLoopResultBuilder]: At program point L771-2(lines 763 778) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse3 .cse1 .cse2) (and .cse4 (= 2 ~waterLevel~0) .cse3 .cse1) (and .cse4 .cse3 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2023-11-06 23:11:52,044 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 23:11:52,044 INFO L899 garLoopResultBuilder]: For program point L734(lines 733 782) no Hoare annotation was computed. [2023-11-06 23:11:52,044 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 23:11:52,044 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 778) no Hoare annotation was computed. [2023-11-06 23:11:52,045 INFO L895 garLoopResultBuilder]: At program point L755(line 755) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse3 .cse1 .cse2) (and .cse4 (= 2 ~waterLevel~0) .cse3 .cse1) (and .cse4 .cse3 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2023-11-06 23:11:52,045 INFO L895 garLoopResultBuilder]: At program point L780(lines 733 782) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse3 .cse1 .cse2) (and .cse4 (= 2 ~waterLevel~0) .cse3 .cse1) (and .cse4 .cse3 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2023-11-06 23:11:52,045 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 885 891) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 23:11:52,045 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 749) no Hoare annotation was computed. [2023-11-06 23:11:52,046 INFO L899 garLoopResultBuilder]: For program point L743-1(lines 743 749) no Hoare annotation was computed. [2023-11-06 23:11:52,046 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 23:11:52,046 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 739) no Hoare annotation was computed. [2023-11-06 23:11:52,046 INFO L899 garLoopResultBuilder]: For program point L702(lines 702 708) no Hoare annotation was computed. [2023-11-06 23:11:52,046 INFO L899 garLoopResultBuilder]: For program point L702-2(lines 702 708) no Hoare annotation was computed. [2023-11-06 23:11:52,047 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification5_spec__1_returnLabel#1(lines 938 945) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 23:11:52,047 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 23:11:52,049 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 813 819) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 23:11:52,049 INFO L895 garLoopResultBuilder]: At program point deactivatePump_returnLabel#1(lines 615 622) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2))) [2023-11-06 23:11:52,050 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 921) no Hoare annotation was computed. [2023-11-06 23:11:52,050 INFO L895 garLoopResultBuilder]: At program point stopSystem_returnLabel#1(lines 698 712) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= ~waterLevel~0 2) (= 0 ~systemActive~0)) [2023-11-06 23:11:52,050 INFO L902 garLoopResultBuilder]: At program point L786(lines 723 790) the Hoare annotation is: true [2023-11-06 23:11:52,050 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 759) no Hoare annotation was computed. [2023-11-06 23:11:52,050 INFO L899 garLoopResultBuilder]: For program point L753-1(lines 753 759) no Hoare annotation was computed. [2023-11-06 23:11:52,051 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 921) no Hoare annotation was computed. [2023-11-06 23:11:52,051 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 820 828) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 23:11:52,052 INFO L895 garLoopResultBuilder]: At program point L745(line 745) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse3 .cse1 .cse2) (and .cse4 (= 2 ~waterLevel~0) .cse3 .cse1) (and .cse4 .cse3 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2023-11-06 23:11:52,052 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2023-11-06 23:11:52,052 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2023-11-06 23:11:52,052 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 71 82) the Hoare annotation is: (let ((.cse0 (< ~pumpRunning~0 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (= 2 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse2 .cse1 .cse3 .cse4) (or .cse0 .cse1 (< ~switchedOnBeforeTS~0 1) .cse3 .cse4) (or .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2023-11-06 23:11:52,053 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 634 642) no Hoare annotation was computed. [2023-11-06 23:11:52,053 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 634 642) no Hoare annotation was computed. [2023-11-06 23:11:52,053 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 634 642) the Hoare annotation is: true [2023-11-06 23:11:52,056 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:52,059 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:11:52,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:11:52 BoogieIcfgContainer [2023-11-06 23:11:52,160 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:11:52,161 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:11:52,161 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:11:52,161 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:11:52,162 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:39" (3/4) ... [2023-11-06 23:11:52,165 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 23:11:52,170 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-06 23:11:52,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-06 23:11:52,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-06 23:11:52,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-06 23:11:52,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-06 23:11:52,172 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-06 23:11:52,190 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-06 23:11:52,191 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-06 23:11:52,192 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 23:11:52,193 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:11:52,193 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:11:52,236 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || (2 < \old(waterLevel))) || !((0 == systemActive))) && (((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (((1 <= pumpRunning) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (2 == waterLevel)) && (1 <= switchedOnBeforeTS)))) && (((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (2 < \old(waterLevel)))) [2023-11-06 23:11:52,237 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS))) || (2 < \old(waterLevel))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) [2023-11-06 23:11:52,239 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((\old(pumpRunning) == 0)) || ((tmp == 2) && (2 == \result))) || !((1 == systemActive))) || !((\old(waterLevel) == 2))) && (((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS))) || (2 < \old(waterLevel)))) && (((((((1 <= pumpRunning) && (2 == waterLevel)) && (\old(waterLevel) == 2)) || !((\old(pumpRunning) == 0))) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && (((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || (2 < \old(waterLevel))) || !((0 == systemActive)))) && (((!((\old(pumpRunning) == 0)) || ((tmp == 2) && (2 == \result))) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) [2023-11-06 23:11:52,239 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS))) || (2 < \old(waterLevel))) && (((((((1 <= pumpRunning) && (2 == waterLevel)) && (\old(waterLevel) == 2)) || !((\old(pumpRunning) == 0))) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) [2023-11-06 23:11:52,240 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel))) && ((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) [2023-11-06 23:11:52,241 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (((((1 <= pumpRunning) && (2 == waterLevel)) && (2 == \result)) && (1 == systemActive)) && (\old(waterLevel) == 2))) || (2 < \old(waterLevel))) && (((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS))) || (2 < \old(waterLevel)))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (2 == \result)) && (\old(waterLevel) == 2))) || (((((1 <= pumpRunning) && (2 == waterLevel)) && (2 == \result)) && (1 == systemActive)) && (\old(waterLevel) == 2))) || !((\old(waterLevel) == 2)))) && (((!((\old(pumpRunning) == 0)) || ((((pumpRunning == 0) && (2 == waterLevel)) && (2 == \result)) && (\old(waterLevel) == 2))) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && (((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || (2 < \old(waterLevel))) || !((0 == systemActive)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) [2023-11-06 23:11:52,242 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && !((\result == 0))) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 == waterLevel)) && (\old(waterLevel) == 2))) || (2 < \old(waterLevel))) && ((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) [2023-11-06 23:11:52,243 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && ((((!((\old(pumpRunning) == 0)) || (((((pumpRunning == 0) && (tmp___0 == 0)) && (\result == 0)) && !((tmp == 0))) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 == waterLevel)) && (\old(waterLevel) == 2))) || (2 < \old(waterLevel)))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) [2023-11-06 23:11:52,244 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 == waterLevel)) && (\old(waterLevel) == 2))) || (2 < \old(waterLevel)))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) [2023-11-06 23:11:52,244 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 == waterLevel)) && (\old(waterLevel) == 2))) || (2 < \old(waterLevel)))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) [2023-11-06 23:11:52,253 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && (((((((1 <= pumpRunning) && (2 == waterLevel)) && (\old(waterLevel) == 2)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 == waterLevel)) && (\old(waterLevel) == 2))) || (2 < \old(waterLevel)))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) [2023-11-06 23:11:52,254 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 <= pumpRunning) && (2 == waterLevel)) && (\old(waterLevel) == 2)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (2 < \old(waterLevel))) && ((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) [2023-11-06 23:11:52,328 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || (2 < \old(waterLevel))) || !((0 == systemActive))) && (((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (((1 <= pumpRunning) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (2 == waterLevel)) && (1 <= switchedOnBeforeTS)))) && (((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (2 < \old(waterLevel)))) [2023-11-06 23:11:52,328 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS))) || (2 < \old(waterLevel))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) [2023-11-06 23:11:52,328 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((\old(pumpRunning) == 0)) || ((tmp == 2) && (2 == \result))) || !((1 == systemActive))) || !((\old(waterLevel) == 2))) && (((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS))) || (2 < \old(waterLevel)))) && (((((((1 <= pumpRunning) && (2 == waterLevel)) && (\old(waterLevel) == 2)) || !((\old(pumpRunning) == 0))) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && (((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || (2 < \old(waterLevel))) || !((0 == systemActive)))) && (((!((\old(pumpRunning) == 0)) || ((tmp == 2) && (2 == \result))) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) [2023-11-06 23:11:52,329 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS))) || (2 < \old(waterLevel))) && (((((((1 <= pumpRunning) && (2 == waterLevel)) && (\old(waterLevel) == 2)) || !((\old(pumpRunning) == 0))) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) [2023-11-06 23:11:52,329 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel))) && ((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) [2023-11-06 23:11:52,330 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (((((1 <= pumpRunning) && (2 == waterLevel)) && (2 == \result)) && (1 == systemActive)) && (\old(waterLevel) == 2))) || (2 < \old(waterLevel))) && (((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS))) || (2 < \old(waterLevel)))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (2 == \result)) && (\old(waterLevel) == 2))) || (((((1 <= pumpRunning) && (2 == waterLevel)) && (2 == \result)) && (1 == systemActive)) && (\old(waterLevel) == 2))) || !((\old(waterLevel) == 2)))) && (((!((\old(pumpRunning) == 0)) || ((((pumpRunning == 0) && (2 == waterLevel)) && (2 == \result)) && (\old(waterLevel) == 2))) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && (((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || (2 < \old(waterLevel))) || !((0 == systemActive)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) [2023-11-06 23:11:52,330 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && !((\result == 0))) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 == waterLevel)) && (\old(waterLevel) == 2))) || (2 < \old(waterLevel))) && ((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) [2023-11-06 23:11:52,330 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && ((((!((\old(pumpRunning) == 0)) || (((((pumpRunning == 0) && (tmp___0 == 0)) && (\result == 0)) && !((tmp == 0))) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 == waterLevel)) && (\old(waterLevel) == 2))) || (2 < \old(waterLevel)))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) [2023-11-06 23:11:52,331 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 == waterLevel)) && (\old(waterLevel) == 2))) || (2 < \old(waterLevel)))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) [2023-11-06 23:11:52,331 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 == waterLevel)) && (\old(waterLevel) == 2))) || (2 < \old(waterLevel)))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) [2023-11-06 23:11:52,332 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && (((((((1 <= pumpRunning) && (2 == waterLevel)) && (\old(waterLevel) == 2)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 == waterLevel)) && (\old(waterLevel) == 2))) || (2 < \old(waterLevel)))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) [2023-11-06 23:11:52,332 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 <= pumpRunning) && (2 == waterLevel)) && (\old(waterLevel) == 2)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (2 < \old(waterLevel))) && ((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) [2023-11-06 23:11:52,364 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721d44fb-38ef-41ec-b199-0a4dfe83f706/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:11:52,365 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721d44fb-38ef-41ec-b199-0a4dfe83f706/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 23:11:52,365 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:11:52,366 INFO L158 Benchmark]: Toolchain (without parser) took 14030.68ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 122.3MB in the beginning and 110.1MB in the end (delta: 12.2MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. [2023-11-06 23:11:52,367 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 127.9MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:11:52,367 INFO L158 Benchmark]: CACSL2BoogieTranslator took 663.91ms. Allocated memory is still 155.2MB. Free memory was 122.3MB in the beginning and 102.9MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 23:11:52,368 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.92ms. Allocated memory is still 155.2MB. Free memory was 102.9MB in the beginning and 100.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:11:52,368 INFO L158 Benchmark]: Boogie Preprocessor took 38.99ms. Allocated memory is still 155.2MB. Free memory was 100.8MB in the beginning and 99.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:11:52,369 INFO L158 Benchmark]: RCFGBuilder took 653.27ms. Allocated memory is still 155.2MB. Free memory was 98.6MB in the beginning and 110.8MB in the end (delta: -12.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 23:11:52,369 INFO L158 Benchmark]: TraceAbstraction took 12363.71ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 110.8MB in the beginning and 118.5MB in the end (delta: -7.7MB). Peak memory consumption was 128.2MB. Max. memory is 16.1GB. [2023-11-06 23:11:52,370 INFO L158 Benchmark]: Witness Printer took 204.78ms. Allocated memory is still 224.4MB. Free memory was 118.5MB in the beginning and 110.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 23:11:52,372 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 127.9MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 663.91ms. Allocated memory is still 155.2MB. Free memory was 122.3MB in the beginning and 102.9MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.92ms. Allocated memory is still 155.2MB. Free memory was 102.9MB in the beginning and 100.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.99ms. Allocated memory is still 155.2MB. Free memory was 100.8MB in the beginning and 99.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 653.27ms. Allocated memory is still 155.2MB. Free memory was 98.6MB in the beginning and 110.8MB in the end (delta: -12.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 12363.71ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 110.8MB in the beginning and 118.5MB in the end (delta: -7.7MB). Peak memory consumption was 128.2MB. Max. memory is 16.1GB. * Witness Printer took 204.78ms. Allocated memory is still 224.4MB. Free memory was 118.5MB in the beginning and 110.1MB in the end (delta: 8.4MB). 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 150]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [150] - GenericResultAtLocation [Line: 516]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [516] - GenericResultAtLocation [Line: 721]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [721] - GenericResultAtLocation [Line: 791]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [791] - GenericResultAtLocation [Line: 829]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [829] - GenericResultAtLocation [Line: 927]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [927] - GenericResultAtLocation [Line: 936]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [936] * 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: 932]: 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 7 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.2s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1247 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1217 mSDsluCounter, 3661 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2577 mSDsCounter, 238 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 984 IncrementalHoareTripleChecker+Invalid, 1222 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 238 mSolverCounterUnsat, 1084 mSDtfsCounter, 984 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 336 GetRequests, 252 SyntacticMatches, 4 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=815occurred in iteration=8, 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: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 101 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 1466 PreInvPairs, 1671 NumberOfFragments, 1863 HoareAnnotationTreeSize, 1466 FomulaSimplifications, 6183 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 42 FomulaSimplificationsInter, 5871 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 611 NumberOfCodeBlocks, 611 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 686 ConstructedInterpolants, 0 QuantifiedInterpolants, 1315 SizeOfPredicates, 3 NumberOfNonLiveVariables, 312 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 120/142 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: 885]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0) && (2 == waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0))) - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (0 == systemActive)) || ((((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel <= 2))) || ((((1 <= pumpRunning) && (2 == waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((((1 <= pumpRunning) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS))) - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: ((((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS))) || (2 < \old(waterLevel))) && (((((((1 <= pumpRunning) && (2 == waterLevel)) && (\old(waterLevel) == 2)) || !((\old(pumpRunning) == 0))) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: (((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 == waterLevel)) && (\old(waterLevel) == 2))) || (2 < \old(waterLevel)))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: (((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 == waterLevel)) && (\old(waterLevel) == 2))) || (2 < \old(waterLevel)))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: ((((((((!((\old(pumpRunning) == 0)) || ((tmp == 2) && (2 == \result))) || !((1 == systemActive))) || !((\old(waterLevel) == 2))) && (((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS))) || (2 < \old(waterLevel)))) && (((((((1 <= pumpRunning) && (2 == waterLevel)) && (\old(waterLevel) == 2)) || !((\old(pumpRunning) == 0))) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && (((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || (2 < \old(waterLevel))) || !((0 == systemActive)))) && (((!((\old(pumpRunning) == 0)) || ((tmp == 2) && (2 == \result))) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS))) || (2 < \old(waterLevel))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) - InvariantResult [Line: 723]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: (((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && ((((!((\old(pumpRunning) == 0)) || (((((pumpRunning == 0) && (tmp___0 == 0)) && (\result == 0)) && !((tmp == 0))) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 == waterLevel)) && (\old(waterLevel) == 2))) || (2 < \old(waterLevel)))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && (((((((1 <= pumpRunning) && (2 == waterLevel)) && (\old(waterLevel) == 2)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 == waterLevel)) && (\old(waterLevel) == 2))) || (2 < \old(waterLevel)))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (0 == systemActive)) - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel <= 2)) || ((((1 <= pumpRunning) && (2 == waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((((1 <= pumpRunning) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS))) - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel))) && ((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((((((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (((((1 <= pumpRunning) && (2 == waterLevel)) && (2 == \result)) && (1 == systemActive)) && (\old(waterLevel) == 2))) || (2 < \old(waterLevel))) && (((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS))) || (2 < \old(waterLevel)))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (2 == \result)) && (\old(waterLevel) == 2))) || (((((1 <= pumpRunning) && (2 == waterLevel)) && (2 == \result)) && (1 == systemActive)) && (\old(waterLevel) == 2))) || !((\old(waterLevel) == 2)))) && (((!((\old(pumpRunning) == 0)) || ((((pumpRunning == 0) && (2 == waterLevel)) && (2 == \result)) && (\old(waterLevel) == 2))) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && (((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || (2 < \old(waterLevel))) || !((0 == systemActive)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: (((((((((1 <= pumpRunning) && (2 == waterLevel)) && (\old(waterLevel) == 2)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (2 < \old(waterLevel))) && ((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((((((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && !((\result == 0))) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 == waterLevel)) && (\old(waterLevel) == 2))) || (2 < \old(waterLevel))) && ((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((!((\old(pumpRunning) == 0)) || (2 < \old(waterLevel))) || !((0 == systemActive)))) - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: ((((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || (2 < \old(waterLevel))) || !((0 == systemActive))) && (((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (((1 <= pumpRunning) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (2 == waterLevel)) && (1 <= switchedOnBeforeTS)))) && (((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (2 < \old(waterLevel)))) - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 23:11:52,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_721d44fb-38ef-41ec-b199-0a4dfe83f706/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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