./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/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_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/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_658bf3f8-676f-4cea-9511-437e710cc8af/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 aad1ec08d8a193b38b6e11f9698a2d5cafe1e5bac6d0d3a9987fa93ed6006219 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:57:49,981 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:57:50,050 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:57:50,060 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:57:50,064 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:57:50,109 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:57:50,110 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:57:50,110 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:57:50,111 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:57:50,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:57:50,113 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:57:50,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:57:50,114 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:57:50,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:57:50,115 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:57:50,121 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:57:50,122 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:57:50,122 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:57:50,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:57:50,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:57:50,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:57:50,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:57:50,126 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:57:50,126 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:57:50,126 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:57:50,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:57:50,128 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:57:50,128 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:57:50,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:57:50,129 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:57:50,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:57:50,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:57:50,131 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:57:50,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:57:50,132 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:57:50,132 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:57:50,132 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:57:50,132 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:57:50,133 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:57:50,133 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_658bf3f8-676f-4cea-9511-437e710cc8af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aad1ec08d8a193b38b6e11f9698a2d5cafe1e5bac6d0d3a9987fa93ed6006219 [2023-11-06 22:57:50,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:57:50,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:57:50,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:57:50,529 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:57:50,530 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:57:50,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c [2023-11-06 22:57:53,532 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:57:53,831 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:57:53,832 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c [2023-11-06 22:57:53,847 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/data/f3c338d65/1a811d76be30452f95d2170150a33eff/FLAGd81040c17 [2023-11-06 22:57:53,862 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/data/f3c338d65/1a811d76be30452f95d2170150a33eff [2023-11-06 22:57:53,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:57:53,867 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:57:53,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:57:53,869 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:57:53,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:57:53,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:57:53" (1/1) ... [2023-11-06 22:57:53,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26192363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:53, skipping insertion in model container [2023-11-06 22:57:53,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:57:53" (1/1) ... [2023-11-06 22:57:53,942 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:57:54,227 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c[7021,7034] [2023-11-06 22:57:54,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:57:54,349 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:57:54,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2023-11-06 22:57:54,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [237] [2023-11-06 22:57:54,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [305] [2023-11-06 22:57:54,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [345] [2023-11-06 22:57:54,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [440] [2023-11-06 22:57:54,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [449] [2023-11-06 22:57:54,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [815] [2023-11-06 22:57:54,363 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [915] [2023-11-06 22:57:54,404 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_658bf3f8-676f-4cea-9511-437e710cc8af/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c[7021,7034] [2023-11-06 22:57:54,445 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:57:54,470 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:57:54,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:54 WrapperNode [2023-11-06 22:57:54,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:57:54,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:57:54,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:57:54,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:57:54,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:54" (1/1) ... [2023-11-06 22:57:54,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:54" (1/1) ... [2023-11-06 22:57:54,538 INFO L138 Inliner]: procedures = 54, calls = 98, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 194 [2023-11-06 22:57:54,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:57:54,540 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:57:54,540 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:57:54,540 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:57:54,550 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:54" (1/1) ... [2023-11-06 22:57:54,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:54" (1/1) ... [2023-11-06 22:57:54,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:54" (1/1) ... [2023-11-06 22:57:54,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:54" (1/1) ... [2023-11-06 22:57:54,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:54" (1/1) ... [2023-11-06 22:57:54,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:54" (1/1) ... [2023-11-06 22:57:54,566 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:54" (1/1) ... [2023-11-06 22:57:54,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:54" (1/1) ... [2023-11-06 22:57:54,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:57:54,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:57:54,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:57:54,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:57:54,589 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:54" (1/1) ... [2023-11-06 22:57:54,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:57:54,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:57:54,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:57:54,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:57:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:57:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-06 22:57:54,676 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-06 22:57:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-06 22:57:54,677 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-06 22:57:54,677 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-06 22:57:54,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-06 22:57:54,677 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-06 22:57:54,678 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-06 22:57:54,678 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:57:54,678 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:57:54,678 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-06 22:57:54,679 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-06 22:57:54,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:57:54,679 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-06 22:57:54,681 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-06 22:57:54,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:57:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:57:54,793 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:57:54,796 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:57:55,108 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:57:55,117 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:57:55,117 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:57:55,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:57:55 BoogieIcfgContainer [2023-11-06 22:57:55,119 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:57:55,122 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:57:55,122 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:57:55,126 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:57:55,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:57:53" (1/3) ... [2023-11-06 22:57:55,127 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba2f6d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:57:55, skipping insertion in model container [2023-11-06 22:57:55,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:57:54" (2/3) ... [2023-11-06 22:57:55,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba2f6d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:57:55, skipping insertion in model container [2023-11-06 22:57:55,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:57:55" (3/3) ... [2023-11-06 22:57:55,135 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37.cil.c [2023-11-06 22:57:55,153 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:57:55,154 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:57:55,210 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:57:55,216 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;@5c643308, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:57:55,216 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:57:55,222 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 66 states have (on average 1.393939393939394) internal successors, (92), 74 states have internal predecessors, (92), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:57:55,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-06 22:57:55,233 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:57:55,233 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:57:55,234 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:57:55,240 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:57:55,240 INFO L85 PathProgramCache]: Analyzing trace with hash -985804635, now seen corresponding path program 1 times [2023-11-06 22:57:55,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:57:55,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762846559] [2023-11-06 22:57:55,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:57:55,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:57:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:55,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:57:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:55,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:57:55,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:57:55,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762846559] [2023-11-06 22:57:55,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762846559] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:57:55,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:57:55,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:57:55,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176634051] [2023-11-06 22:57:55,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:57:55,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:57:55,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:57:55,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:57:55,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:57:55,565 INFO L87 Difference]: Start difference. First operand has 87 states, 66 states have (on average 1.393939393939394) internal successors, (92), 74 states have internal predecessors, (92), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:57:55,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:57:55,639 INFO L93 Difference]: Finished difference Result 165 states and 226 transitions. [2023-11-06 22:57:55,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:57:55,641 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2023-11-06 22:57:55,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:57:55,655 INFO L225 Difference]: With dead ends: 165 [2023-11-06 22:57:55,655 INFO L226 Difference]: Without dead ends: 78 [2023-11-06 22:57:55,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:57:55,668 INFO L413 NwaCegarLoop]: 110 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, 110 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 22:57:55,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:57:55,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-06 22:57:55,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-11-06 22:57:55,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 66 states have internal predecessors, (78), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 22:57:55,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 101 transitions. [2023-11-06 22:57:55,715 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 101 transitions. Word has length 25 [2023-11-06 22:57:55,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:57:55,716 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 101 transitions. [2023-11-06 22:57:55,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:57:55,717 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 101 transitions. [2023-11-06 22:57:55,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-06 22:57:55,720 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:57:55,721 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:57:55,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:57:55,721 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:57:55,722 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:57:55,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1726186972, now seen corresponding path program 1 times [2023-11-06 22:57:55,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:57:55,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717729091] [2023-11-06 22:57:55,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:57:55,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:57:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:55,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:57:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:55,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:57:55,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:57:55,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717729091] [2023-11-06 22:57:55,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717729091] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:57:55,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:57:55,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:57:55,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766510552] [2023-11-06 22:57:55,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:57:55,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:57:55,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:57:55,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:57:55,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:57:55,870 INFO L87 Difference]: Start difference. First operand 78 states and 101 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:57:55,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:57:55,892 INFO L93 Difference]: Finished difference Result 121 states and 157 transitions. [2023-11-06 22:57:55,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:57:55,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2023-11-06 22:57:55,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:57:55,897 INFO L225 Difference]: With dead ends: 121 [2023-11-06 22:57:55,900 INFO L226 Difference]: Without dead ends: 69 [2023-11-06 22:57:55,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:57:55,904 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 12 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 160 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 22:57:55,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 160 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:57:55,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-06 22:57:55,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-06 22:57:55,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 60 states have internal predecessors, (71), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-06 22:57:55,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 89 transitions. [2023-11-06 22:57:55,933 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 89 transitions. Word has length 26 [2023-11-06 22:57:55,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:57:55,934 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 89 transitions. [2023-11-06 22:57:55,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:57:55,934 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2023-11-06 22:57:55,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-06 22:57:55,936 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:57:55,936 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:57:55,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:57:55,937 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:57:55,938 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:57:55,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1161832603, now seen corresponding path program 1 times [2023-11-06 22:57:55,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:57:55,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491688915] [2023-11-06 22:57:55,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:57:55,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:57:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:56,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:57:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:56,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:57:56,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:57:56,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491688915] [2023-11-06 22:57:56,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491688915] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:57:56,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:57:56,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:57:56,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290195492] [2023-11-06 22:57:56,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:57:56,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:57:56,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:57:56,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:57:56,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:57:56,084 INFO L87 Difference]: Start difference. First operand 69 states and 89 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:57:56,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:57:56,104 INFO L93 Difference]: Finished difference Result 130 states and 171 transitions. [2023-11-06 22:57:56,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:57:56,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2023-11-06 22:57:56,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:57:56,107 INFO L225 Difference]: With dead ends: 130 [2023-11-06 22:57:56,107 INFO L226 Difference]: Without dead ends: 69 [2023-11-06 22:57:56,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:57:56,110 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 70 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 87 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 22:57:56,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 87 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:57:56,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-06 22:57:56,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-06 22:57:56,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 53 states have (on average 1.320754716981132) internal successors, (70), 60 states have internal predecessors, (70), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-06 22:57:56,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 88 transitions. [2023-11-06 22:57:56,125 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 88 transitions. Word has length 30 [2023-11-06 22:57:56,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:57:56,125 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 88 transitions. [2023-11-06 22:57:56,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:57:56,126 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2023-11-06 22:57:56,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-06 22:57:56,128 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:57:56,128 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:57:56,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:57:56,129 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:57:56,129 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:57:56,130 INFO L85 PathProgramCache]: Analyzing trace with hash 202365907, now seen corresponding path program 1 times [2023-11-06 22:57:56,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:57:56,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145679408] [2023-11-06 22:57:56,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:57:56,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:57:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:56,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:57:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:56,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:57:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:56,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-06 22:57:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:56,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:57:56,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:57:56,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145679408] [2023-11-06 22:57:56,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145679408] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:57:56,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:57:56,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:57:56,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517012163] [2023-11-06 22:57:56,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:57:56,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:57:56,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:57:56,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:57:56,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:57:56,428 INFO L87 Difference]: Start difference. First operand 69 states and 88 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 22:57:56,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:57:56,762 INFO L93 Difference]: Finished difference Result 204 states and 262 transitions. [2023-11-06 22:57:56,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:57:56,763 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 40 [2023-11-06 22:57:56,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:57:56,769 INFO L225 Difference]: With dead ends: 204 [2023-11-06 22:57:56,770 INFO L226 Difference]: Without dead ends: 143 [2023-11-06 22:57:56,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:57:56,773 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 161 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:57:56,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 277 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:57:56,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-06 22:57:56,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 137. [2023-11-06 22:57:56,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 105 states have (on average 1.2857142857142858) internal successors, (135), 112 states have internal predecessors, (135), 15 states have call successors, (15), 13 states have call predecessors, (15), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2023-11-06 22:57:56,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 170 transitions. [2023-11-06 22:57:56,824 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 170 transitions. Word has length 40 [2023-11-06 22:57:56,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:57:56,825 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 170 transitions. [2023-11-06 22:57:56,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 22:57:56,826 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 170 transitions. [2023-11-06 22:57:56,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-06 22:57:56,834 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:57:56,834 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:57:56,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:57:56,835 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:57:56,835 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:57:56,836 INFO L85 PathProgramCache]: Analyzing trace with hash 886374373, now seen corresponding path program 1 times [2023-11-06 22:57:56,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:57:56,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229464388] [2023-11-06 22:57:56,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:57:56,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:57:56,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:56,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:57:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:57,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:57:57,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:57,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:57:57,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:57:57,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229464388] [2023-11-06 22:57:57,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229464388] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:57:57,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:57:57,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:57:57,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453317623] [2023-11-06 22:57:57,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:57:57,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:57:57,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:57:57,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:57:57,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:57:57,051 INFO L87 Difference]: Start difference. First operand 137 states and 170 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:57:57,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:57:57,316 INFO L93 Difference]: Finished difference Result 369 states and 480 transitions. [2023-11-06 22:57:57,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:57:57,317 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2023-11-06 22:57:57,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:57:57,323 INFO L225 Difference]: With dead ends: 369 [2023-11-06 22:57:57,323 INFO L226 Difference]: Without dead ends: 240 [2023-11-06 22:57:57,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:57:57,337 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 139 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:57:57,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 361 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:57:57,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2023-11-06 22:57:57,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 221. [2023-11-06 22:57:57,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 170 states have (on average 1.2882352941176471) internal successors, (219), 179 states have internal predecessors, (219), 25 states have call successors, (25), 23 states have call predecessors, (25), 25 states have return successors, (35), 25 states have call predecessors, (35), 25 states have call successors, (35) [2023-11-06 22:57:57,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 279 transitions. [2023-11-06 22:57:57,374 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 279 transitions. Word has length 44 [2023-11-06 22:57:57,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:57:57,375 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 279 transitions. [2023-11-06 22:57:57,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:57:57,376 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 279 transitions. [2023-11-06 22:57:57,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-06 22:57:57,377 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:57:57,377 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:57:57,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:57:57,378 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:57:57,378 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:57:57,378 INFO L85 PathProgramCache]: Analyzing trace with hash 463672547, now seen corresponding path program 1 times [2023-11-06 22:57:57,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:57:57,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545245304] [2023-11-06 22:57:57,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:57:57,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:57:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:57,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:57:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:57,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:57:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:57,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:57:57,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:57:57,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545245304] [2023-11-06 22:57:57,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545245304] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:57:57,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:57:57,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:57:57,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585726793] [2023-11-06 22:57:57,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:57:57,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:57:57,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:57:57,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:57:57,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:57:57,481 INFO L87 Difference]: Start difference. First operand 221 states and 279 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:57:57,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:57:57,675 INFO L93 Difference]: Finished difference Result 448 states and 573 transitions. [2023-11-06 22:57:57,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:57:57,675 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2023-11-06 22:57:57,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:57:57,683 INFO L225 Difference]: With dead ends: 448 [2023-11-06 22:57:57,684 INFO L226 Difference]: Without dead ends: 235 [2023-11-06 22:57:57,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:57:57,685 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 57 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:57:57,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 348 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:57:57,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2023-11-06 22:57:57,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 227. [2023-11-06 22:57:57,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 176 states have (on average 1.2784090909090908) internal successors, (225), 185 states have internal predecessors, (225), 25 states have call successors, (25), 23 states have call predecessors, (25), 25 states have return successors, (35), 25 states have call predecessors, (35), 25 states have call successors, (35) [2023-11-06 22:57:57,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 285 transitions. [2023-11-06 22:57:57,722 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 285 transitions. Word has length 44 [2023-11-06 22:57:57,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:57:57,723 INFO L495 AbstractCegarLoop]: Abstraction has 227 states and 285 transitions. [2023-11-06 22:57:57,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:57:57,723 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 285 transitions. [2023-11-06 22:57:57,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-06 22:57:57,724 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:57:57,724 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:57:57,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:57:57,725 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:57:57,725 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:57:57,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1225271195, now seen corresponding path program 1 times [2023-11-06 22:57:57,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:57:57,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785675331] [2023-11-06 22:57:57,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:57:57,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:57:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:57,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:57:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:57,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:57:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:57,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:57:57,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:57:57,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785675331] [2023-11-06 22:57:57,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785675331] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:57:57,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:57:57,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:57:57,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887110971] [2023-11-06 22:57:57,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:57:57,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:57:57,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:57:57,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:57:57,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:57:57,867 INFO L87 Difference]: Start difference. First operand 227 states and 285 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:57:58,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:57:58,044 INFO L93 Difference]: Finished difference Result 413 states and 524 transitions. [2023-11-06 22:57:58,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:57:58,045 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2023-11-06 22:57:58,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:57:58,047 INFO L225 Difference]: With dead ends: 413 [2023-11-06 22:57:58,047 INFO L226 Difference]: Without dead ends: 194 [2023-11-06 22:57:58,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:57:58,052 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 134 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:57:58,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 217 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:57:58,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2023-11-06 22:57:58,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 189. [2023-11-06 22:57:58,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 146 states have (on average 1.2534246575342465) internal successors, (183), 154 states have internal predecessors, (183), 21 states have call successors, (21), 19 states have call predecessors, (21), 21 states have return successors, (26), 21 states have call predecessors, (26), 21 states have call successors, (26) [2023-11-06 22:57:58,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 230 transitions. [2023-11-06 22:57:58,096 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 230 transitions. Word has length 44 [2023-11-06 22:57:58,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:57:58,097 INFO L495 AbstractCegarLoop]: Abstraction has 189 states and 230 transitions. [2023-11-06 22:57:58,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:57:58,097 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 230 transitions. [2023-11-06 22:57:58,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-06 22:57:58,099 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:57:58,099 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:57:58,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:57:58,100 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:57:58,100 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:57:58,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1754769083, now seen corresponding path program 1 times [2023-11-06 22:57:58,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:57:58,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84305586] [2023-11-06 22:57:58,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:57:58,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:57:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:58,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:57:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:58,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:57:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:58,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:57:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:58,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:57:58,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:57:58,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84305586] [2023-11-06 22:57:58,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84305586] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:57:58,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:57:58,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:57:58,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778423886] [2023-11-06 22:57:58,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:57:58,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:57:58,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:57:58,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:57:58,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:57:58,261 INFO L87 Difference]: Start difference. First operand 189 states and 230 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:57:58,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:57:58,522 INFO L93 Difference]: Finished difference Result 380 states and 463 transitions. [2023-11-06 22:57:58,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:57:58,523 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2023-11-06 22:57:58,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:57:58,525 INFO L225 Difference]: With dead ends: 380 [2023-11-06 22:57:58,527 INFO L226 Difference]: Without dead ends: 199 [2023-11-06 22:57:58,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:57:58,529 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 109 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:57:58,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 298 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:57:58,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2023-11-06 22:57:58,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 186. [2023-11-06 22:57:58,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 143 states have (on average 1.2167832167832169) internal successors, (174), 151 states have internal predecessors, (174), 21 states have call successors, (21), 19 states have call predecessors, (21), 21 states have return successors, (26), 21 states have call predecessors, (26), 21 states have call successors, (26) [2023-11-06 22:57:58,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 221 transitions. [2023-11-06 22:57:58,559 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 221 transitions. Word has length 46 [2023-11-06 22:57:58,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:57:58,559 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 221 transitions. [2023-11-06 22:57:58,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:57:58,559 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 221 transitions. [2023-11-06 22:57:58,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-06 22:57:58,560 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:57:58,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:57:58,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:57:58,561 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:57:58,561 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:57:58,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1319361279, now seen corresponding path program 1 times [2023-11-06 22:57:58,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:57:58,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489276669] [2023-11-06 22:57:58,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:57:58,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:57:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:58,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:57:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:58,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 22:57:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:58,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:57:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:58,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:57:58,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:57:58,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489276669] [2023-11-06 22:57:58,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489276669] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:57:58,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:57:58,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:57:58,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631343917] [2023-11-06 22:57:58,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:57:58,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:57:58,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:57:58,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:57:58,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:57:58,725 INFO L87 Difference]: Start difference. First operand 186 states and 221 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:57:59,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:57:59,040 INFO L93 Difference]: Finished difference Result 360 states and 441 transitions. [2023-11-06 22:57:59,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:57:59,041 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2023-11-06 22:57:59,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:57:59,044 INFO L225 Difference]: With dead ends: 360 [2023-11-06 22:57:59,044 INFO L226 Difference]: Without dead ends: 358 [2023-11-06 22:57:59,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:57:59,045 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 274 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:57:59,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 196 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:57:59,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2023-11-06 22:57:59,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 275. [2023-11-06 22:57:59,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 210 states have (on average 1.2190476190476192) internal successors, (256), 223 states have internal predecessors, (256), 31 states have call successors, (31), 28 states have call predecessors, (31), 33 states have return successors, (46), 31 states have call predecessors, (46), 31 states have call successors, (46) [2023-11-06 22:57:59,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 333 transitions. [2023-11-06 22:57:59,094 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 333 transitions. Word has length 48 [2023-11-06 22:57:59,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:57:59,094 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 333 transitions. [2023-11-06 22:57:59,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:57:59,095 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 333 transitions. [2023-11-06 22:57:59,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-06 22:57:59,097 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:57:59,097 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:57:59,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:57:59,097 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:57:59,098 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:57:59,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1077253484, now seen corresponding path program 1 times [2023-11-06 22:57:59,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:57:59,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972210797] [2023-11-06 22:57:59,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:57:59,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:57:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:59,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:57:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:59,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:57:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:59,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:57:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:59,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 22:57:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:59,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 22:57:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:59,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 22:57:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:59,246 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-06 22:57:59,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:57:59,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972210797] [2023-11-06 22:57:59,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972210797] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:57:59,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035165185] [2023-11-06 22:57:59,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:57:59,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:57:59,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:57:59,252 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:57:59,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:57:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:59,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:57:59,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:57:59,464 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:57:59,465 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:57:59,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035165185] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:57:59,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:57:59,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2023-11-06 22:57:59,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236504107] [2023-11-06 22:57:59,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:57:59,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:57:59,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:57:59,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:57:59,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:57:59,467 INFO L87 Difference]: Start difference. First operand 275 states and 333 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-06 22:57:59,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:57:59,515 INFO L93 Difference]: Finished difference Result 461 states and 565 transitions. [2023-11-06 22:57:59,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:57:59,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 86 [2023-11-06 22:57:59,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:57:59,519 INFO L225 Difference]: With dead ends: 461 [2023-11-06 22:57:59,519 INFO L226 Difference]: Without dead ends: 240 [2023-11-06 22:57:59,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:57:59,521 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 37 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:57:59,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 190 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:57:59,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2023-11-06 22:57:59,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2023-11-06 22:57:59,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 182 states have (on average 1.2142857142857142) internal successors, (221), 194 states have internal predecessors, (221), 28 states have call successors, (28), 25 states have call predecessors, (28), 29 states have return successors, (36), 28 states have call predecessors, (36), 28 states have call successors, (36) [2023-11-06 22:57:59,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 285 transitions. [2023-11-06 22:57:59,564 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 285 transitions. Word has length 86 [2023-11-06 22:57:59,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:57:59,581 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 285 transitions. [2023-11-06 22:57:59,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-06 22:57:59,582 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 285 transitions. [2023-11-06 22:57:59,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-06 22:57:59,584 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:57:59,584 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, 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 22:57:59,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:57:59,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:57:59,791 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:57:59,791 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:57:59,792 INFO L85 PathProgramCache]: Analyzing trace with hash 187606056, now seen corresponding path program 1 times [2023-11-06 22:57:59,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:57:59,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775743493] [2023-11-06 22:57:59,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:57:59,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:57:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:59,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:57:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:59,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:57:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:59,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:57:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:59,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 22:57:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:59,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-06 22:57:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:57:59,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:58:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:58:00,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:58:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:58:00,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 22:58:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:58:00,006 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-06 22:58:00,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:58:00,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775743493] [2023-11-06 22:58:00,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775743493] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:58:00,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186160526] [2023-11-06 22:58:00,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:58:00,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:58:00,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:58:00,009 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:58:00,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:58:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:58:00,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:58:00,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:58:00,305 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-06 22:58:00,305 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:58:00,449 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-06 22:58:00,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186160526] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:58:00,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:58:00,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10, 5] total 14 [2023-11-06 22:58:00,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896908325] [2023-11-06 22:58:00,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:58:00,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:58:00,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:58:00,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:58:00,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:58:00,452 INFO L87 Difference]: Start difference. First operand 240 states and 285 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 22:58:00,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:58:00,614 INFO L93 Difference]: Finished difference Result 674 states and 817 transitions. [2023-11-06 22:58:00,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:58:00,614 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 91 [2023-11-06 22:58:00,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:58:00,618 INFO L225 Difference]: With dead ends: 674 [2023-11-06 22:58:00,618 INFO L226 Difference]: Without dead ends: 442 [2023-11-06 22:58:00,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 190 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:58:00,620 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 48 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:58:00,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 389 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:58:00,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2023-11-06 22:58:00,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 408. [2023-11-06 22:58:00,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 306 states have (on average 1.1862745098039216) internal successors, (363), 327 states have internal predecessors, (363), 49 states have call successors, (49), 44 states have call predecessors, (49), 52 states have return successors, (65), 49 states have call predecessors, (65), 49 states have call successors, (65) [2023-11-06 22:58:00,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 477 transitions. [2023-11-06 22:58:00,699 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 477 transitions. Word has length 91 [2023-11-06 22:58:00,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:58:00,699 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 477 transitions. [2023-11-06 22:58:00,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 22:58:00,699 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 477 transitions. [2023-11-06 22:58:00,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-06 22:58:00,702 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:58:00,702 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:58:00,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:58:00,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 22:58:00,908 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:58:00,908 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:58:00,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1820456588, now seen corresponding path program 1 times [2023-11-06 22:58:00,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:58:00,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385317637] [2023-11-06 22:58:00,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:58:00,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:58:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:58:01,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:58:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:58:01,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:58:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:58:01,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 22:58:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:58:01,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:58:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:58:01,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 22:58:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:58:01,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-06 22:58:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:58:01,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-06 22:58:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:58:01,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:58:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:58:01,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-06 22:58:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:58:01,241 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-06 22:58:01,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:58:01,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385317637] [2023-11-06 22:58:01,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385317637] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:58:01,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596841428] [2023-11-06 22:58:01,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:58:01,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:58:01,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:58:01,260 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:58:01,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:58:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:58:01,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:58:01,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:58:01,570 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-06 22:58:01,571 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:58:01,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596841428] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:58:01,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:58:01,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [16] total 21 [2023-11-06 22:58:01,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806790498] [2023-11-06 22:58:01,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:58:01,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:58:01,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:58:01,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:58:01,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:58:01,574 INFO L87 Difference]: Start difference. First operand 408 states and 477 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-06 22:58:01,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:58:01,759 INFO L93 Difference]: Finished difference Result 766 states and 901 transitions. [2023-11-06 22:58:01,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:58:01,760 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 95 [2023-11-06 22:58:01,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:58:01,761 INFO L225 Difference]: With dead ends: 766 [2023-11-06 22:58:01,761 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:58:01,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=482, Unknown=0, NotChecked=0, Total=552 [2023-11-06 22:58:01,764 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 38 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:58:01,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 733 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:58:01,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:58:01,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:58:01,766 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 22:58:01,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:58:01,767 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 95 [2023-11-06 22:58:01,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:58:01,767 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:58:01,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-06 22:58:01,768 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:58:01,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:58:01,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:58:01,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:58:01,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 22:58:01,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:58:05,988 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 87 93) no Hoare annotation was computed. [2023-11-06 22:58:05,988 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 87 93) the Hoare annotation is: true [2023-11-06 22:58:05,988 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 373 384) the Hoare annotation is: (let ((.cse0 (< ~pumpRunning~0 1)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< |old(~methaneLevelCritical~0)| 1)) (.cse7 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2 .cse7) (or .cse0 .cse4 .cse6 .cse2 .cse7) (or .cse1 .cse5 .cse2 .cse3 .cse7))) [2023-11-06 22:58:05,988 INFO L899 garLoopResultBuilder]: For program point L377-1(lines 373 384) no Hoare annotation was computed. [2023-11-06 22:58:05,989 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 373 384) no Hoare annotation was computed. [2023-11-06 22:58:05,989 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 817 846) no Hoare annotation was computed. [2023-11-06 22:58:05,989 INFO L899 garLoopResultBuilder]: For program point L831(lines 831 835) no Hoare annotation was computed. [2023-11-06 22:58:05,989 INFO L902 garLoopResultBuilder]: At program point L831-1(lines 831 835) the Hoare annotation is: true [2023-11-06 22:58:05,989 INFO L899 garLoopResultBuilder]: For program point L828(line 828) no Hoare annotation was computed. [2023-11-06 22:58:05,989 INFO L902 garLoopResultBuilder]: At program point L827-2(lines 827 841) the Hoare annotation is: true [2023-11-06 22:58:05,989 INFO L902 garLoopResultBuilder]: At program point L823(line 823) the Hoare annotation is: true [2023-11-06 22:58:05,989 INFO L899 garLoopResultBuilder]: For program point L823-1(line 823) no Hoare annotation was computed. [2023-11-06 22:58:05,989 INFO L902 garLoopResultBuilder]: At program point L842(lines 817 846) the Hoare annotation is: true [2023-11-06 22:58:05,990 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 817 846) the Hoare annotation is: true [2023-11-06 22:58:05,990 INFO L899 garLoopResultBuilder]: For program point L838(line 838) no Hoare annotation was computed. [2023-11-06 22:58:05,990 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 385 393) the Hoare annotation is: true [2023-11-06 22:58:05,990 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 385 393) no Hoare annotation was computed. [2023-11-06 22:58:05,990 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 385 393) no Hoare annotation was computed. [2023-11-06 22:58:05,990 INFO L899 garLoopResultBuilder]: For program point L353(lines 353 357) no Hoare annotation was computed. [2023-11-06 22:58:05,990 INFO L895 garLoopResultBuilder]: At program point L353-2(lines 349 360) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= 1 ~systemActive~0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse7)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not .cse7)) (.cse5 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse4 .cse5) (or .cse2 .cse3 .cse6 .cse4) (or .cse2 .cse6 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse5)))) [2023-11-06 22:58:05,990 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 335) no Hoare annotation was computed. [2023-11-06 22:58:05,991 INFO L895 garLoopResultBuilder]: At program point L135(line 135) the Hoare annotation is: (let ((.cse2 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (< ~methaneLevelCritical~0 1))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 .cse2) (or .cse0 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse1) (or .cse4 .cse5 .cse0 .cse3))) [2023-11-06 22:58:05,991 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 63 86) no Hoare annotation was computed. [2023-11-06 22:58:05,991 INFO L899 garLoopResultBuilder]: For program point L445(line 445) no Hoare annotation was computed. [2023-11-06 22:58:05,991 INFO L895 garLoopResultBuilder]: At program point L140(line 140) the Hoare annotation is: (let ((.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6 .cse3) (or .cse4 .cse5 .cse0 .cse6 .cse1))) [2023-11-06 22:58:05,991 INFO L895 garLoopResultBuilder]: At program point L140-1(lines 121 145) the Hoare annotation is: (let ((.cse13 (= ~methAndRunningLastTime~0 0)) (.cse9 (= ~pumpRunning~0 0)) (.cse10 (= 1 ~systemActive~0)) (.cse12 (= |old(~pumpRunning~0)| 0)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and .cse9 .cse10 .cse12 .cse14)) (.cse4 (and (<= 1 ~pumpRunning~0) .cse13 .cse14)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse7 (and .cse9 .cse13)) (.cse2 (not .cse10)) (.cse0 (not .cse12)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse11 (< |old(~pumpRunning~0)| 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse2 .cse5 .cse7) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse8) (or .cse2 (and .cse0 .cse9 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~1#1|) .cse10) .cse11 .cse8) (or .cse0 .cse1 .cse6 .cse2 .cse8 .cse7) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (and .cse0 .cse9 .cse10) .cse5 .cse11)))) [2023-11-06 22:58:05,992 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2023-11-06 22:58:05,992 INFO L895 garLoopResultBuilder]: At program point L322(line 322) the Hoare annotation is: (let ((.cse13 (= ~methAndRunningLastTime~0 0)) (.cse9 (= ~pumpRunning~0 0)) (.cse10 (= 1 ~systemActive~0)) (.cse12 (= |old(~pumpRunning~0)| 0)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and .cse9 .cse10 .cse12 .cse14)) (.cse4 (and (<= 1 ~pumpRunning~0) .cse13 .cse14)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse7 (and .cse9 .cse13)) (.cse2 (not .cse10)) (.cse0 (not .cse12)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse11 (< |old(~pumpRunning~0)| 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse2 .cse5 .cse7) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse8) (or .cse2 (and .cse0 .cse9 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse10) .cse11 .cse8) (or .cse0 .cse1 .cse6 .cse2 .cse8 .cse7) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 (and .cse0 .cse9 .cse10) .cse5 .cse11)))) [2023-11-06 22:58:05,992 INFO L899 garLoopResultBuilder]: For program point L322-1(line 322) no Hoare annotation was computed. [2023-11-06 22:58:05,992 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 441 448) the Hoare annotation is: (let ((.cse2 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse1) (or .cse4 .cse5 .cse0 .cse3))) [2023-11-06 22:58:05,993 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 63 86) the Hoare annotation is: (let ((.cse6 (= ~methAndRunningLastTime~0 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse9)) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse8 (and (= ~pumpRunning~0 0) .cse6 .cse9)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse2) (or .cse5 .cse6 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse0 .cse8 .cse3) (or .cse7 .cse5 .cse0 .cse8 .cse4)))) [2023-11-06 22:58:05,993 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 66 85) no Hoare annotation was computed. [2023-11-06 22:58:05,993 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 137) no Hoare annotation was computed. [2023-11-06 22:58:05,993 INFO L895 garLoopResultBuilder]: At program point deactivatePump_returnLabel#1(lines 154 161) the Hoare annotation is: (let ((.cse5 (= 1 ~systemActive~0))) (let ((.cse4 (= ~pumpRunning~0 0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not .cse5)) (.cse7 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 (and .cse0 .cse4 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~1#1|) .cse5) .cse6 .cse7) (or .cse2 (and .cse0 .cse4 .cse5) .cse3 .cse6) (or .cse0 .cse1 .cse2 .cse7)))) [2023-11-06 22:58:05,993 INFO L899 garLoopResultBuilder]: For program point L125(lines 125 142) no Hoare annotation was computed. [2023-11-06 22:58:05,993 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 63 86) no Hoare annotation was computed. [2023-11-06 22:58:05,994 INFO L895 garLoopResultBuilder]: At program point isMethaneAlarm_returnLabel#1(lines 162 172) the Hoare annotation is: (let ((.cse7 (= 1 ~systemActive~0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not .cse7)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse4 .cse5) (or .cse2 .cse3 (and .cse6 .cse0 .cse7) .cse4) (or .cse0 .cse1 .cse2 .cse5) (or .cse2 (and .cse6 .cse0 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse7) .cse4 .cse5)))) [2023-11-06 22:58:05,994 INFO L895 garLoopResultBuilder]: At program point isPumpRunning_returnLabel#1(lines 173 181) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| 1)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse8 (= ~methAndRunningLastTime~0 0))) (and (or .cse0 .cse1 (and .cse2 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse3) .cse4) (or .cse0 .cse5 .cse1) (or .cse6 .cse7 .cse0 .cse5) (let ((.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse6 .cse7 .cse0 (and (<= 1 ~pumpRunning~0) .cse8 .cse9) (and .cse2 .cse3 .cse9) .cse4)) (or .cse6 .cse7 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse4 (and .cse2 .cse8)))) [2023-11-06 22:58:05,994 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 445) no Hoare annotation was computed. [2023-11-06 22:58:05,994 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 338) no Hoare annotation was computed. [2023-11-06 22:58:05,995 INFO L895 garLoopResultBuilder]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= 1 ~systemActive~0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse7)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not .cse7)) (.cse5 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse4 .cse5) (or .cse2 .cse3 .cse6 .cse4) (or .cse2 .cse6 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse5)))) [2023-11-06 22:58:05,995 INFO L899 garLoopResultBuilder]: For program point L167-1(line 167) no Hoare annotation was computed. [2023-11-06 22:58:05,995 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 341) no Hoare annotation was computed. [2023-11-06 22:58:05,995 INFO L895 garLoopResultBuilder]: At program point L324-1(lines 316 344) the Hoare annotation is: (let ((.cse11 (= |old(~pumpRunning~0)| 0)) (.cse12 (= 1 ~systemActive~0))) (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse8 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~4#1| 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not .cse12)) (.cse1 (not .cse11)) (.cse10 (= ~pumpRunning~0 0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse13 (< |old(~pumpRunning~0)| 1)) (.cse14 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse4 (and .cse6 .cse7 .cse8 .cse9) .cse5 (and .cse10 .cse7 .cse8 .cse11 .cse9)) (or (and .cse1 .cse10 .cse7 .cse8 .cse12) .cse4 .cse5 .cse13 (and .cse0 .cse7 .cse8)) (or .cse1 .cse2 .cse4 (and .cse10 .cse7 .cse11 .cse9) (and .cse6 .cse9) .cse14) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse14) (or .cse4 (and .cse1 .cse10 .cse7 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse12) .cse13 .cse14)))) [2023-11-06 22:58:05,995 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 291) no Hoare annotation was computed. [2023-11-06 22:58:05,996 INFO L895 garLoopResultBuilder]: At program point L287-2(lines 281 292) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse6 .cse5 .cse3 .cse4) (and .cse6 .cse2 .cse3 .cse4))) [2023-11-06 22:58:05,996 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 277) no Hoare annotation was computed. [2023-11-06 22:58:05,997 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 878 888) the Hoare annotation is: true [2023-11-06 22:58:05,997 INFO L899 garLoopResultBuilder]: For program point L271-1(lines 271 277) no Hoare annotation was computed. [2023-11-06 22:58:05,997 INFO L902 garLoopResultBuilder]: At program point L300(lines 241 304) the Hoare annotation is: true [2023-11-06 22:58:05,997 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 927 933) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:58:05,997 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 892 914) the Hoare annotation is: true [2023-11-06 22:58:05,997 INFO L895 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse3 .cse4))) [2023-11-06 22:58:05,997 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:58:05,998 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:58:05,998 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 871 877) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:58:05,998 INFO L895 garLoopResultBuilder]: At program point L297(lines 250 298) the Hoare annotation is: false [2023-11-06 22:58:05,998 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:58:05,998 INFO L899 garLoopResultBuilder]: For program point L252(lines 251 296) no Hoare annotation was computed. [2023-11-06 22:58:05,998 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 292) no Hoare annotation was computed. [2023-11-06 22:58:05,998 INFO L895 garLoopResultBuilder]: At program point L273(line 273) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse3 .cse4))) [2023-11-06 22:58:05,998 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:58:05,998 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 934 940) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:58:05,999 INFO L895 garLoopResultBuilder]: At program point L294(lines 251 296) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse3 .cse4))) [2023-11-06 22:58:05,999 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 267) no Hoare annotation was computed. [2023-11-06 22:58:05,999 INFO L899 garLoopResultBuilder]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2023-11-06 22:58:05,999 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification2_spec__1_returnLabel#1(lines 308 315) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:58:05,999 INFO L899 garLoopResultBuilder]: For program point L253(lines 253 257) no Hoare annotation was computed. [2023-11-06 22:58:05,999 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 941 949) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:58:05,999 INFO L899 garLoopResultBuilder]: For program point L902(lines 902 909) no Hoare annotation was computed. [2023-11-06 22:58:05,999 INFO L899 garLoopResultBuilder]: For program point L902-2(lines 902 909) no Hoare annotation was computed. [2023-11-06 22:58:06,000 INFO L899 garLoopResultBuilder]: For program point L227-2(lines 227 231) no Hoare annotation was computed. [2023-11-06 22:58:06,000 INFO L895 garLoopResultBuilder]: At program point activatePump_returnLabel#1(lines 146 153) the Hoare annotation is: (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (not (= ~waterLevel~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse6 .cse3) (or .cse0 .cse1 .cse2 .cse6 .cse3) (or .cse2 .cse6 (< |old(~pumpRunning~0)| 1)))) [2023-11-06 22:58:06,000 INFO L895 garLoopResultBuilder]: At program point L114(line 114) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse0 .cse1 .cse3) (or .cse2 .cse0 .cse3 (< ~methaneLevelCritical~0 1)))) [2023-11-06 22:58:06,000 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 95 119) no Hoare annotation was computed. [2023-11-06 22:58:06,000 INFO L899 garLoopResultBuilder]: For program point L430(lines 430 436) no Hoare annotation was computed. [2023-11-06 22:58:06,000 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 95 119) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse3 .cse0 .cse1 .cse4) (or .cse2 .cse3 .cse0 .cse4 (< ~methaneLevelCritical~0 1)))) [2023-11-06 22:58:06,001 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 426 439) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= ~waterLevel~0 1))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse3 .cse0 .cse1 .cse4) (or .cse5 .cse2 .cse0 .cse6 .cse4 .cse7) (or .cse2 .cse3 .cse0 .cse4 .cse7) (or .cse5 .cse2 .cse0 .cse6 .cse1 .cse4))) [2023-11-06 22:58:06,001 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 218 236) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (not (= ~waterLevel~0 1))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (and (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~2#1| 0)) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse3 .cse0 .cse1 .cse4) (or .cse5 .cse2 .cse0 .cse1 .cse6 .cse4) (or .cse2 .cse3 .cse0 .cse4 .cse7) (or .cse5 .cse2 .cse0 .cse6 .cse4 .cse7))) [2023-11-06 22:58:06,001 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 95 119) no Hoare annotation was computed. [2023-11-06 22:58:06,001 INFO L895 garLoopResultBuilder]: At program point L109(line 109) the Hoare annotation is: (let ((.cse8 (= 1 ~systemActive~0))) (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse4 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse8)) (.cse7 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0) .cse8)) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse3 .cse0 .cse4 .cse5 .cse6) (or .cse3 .cse0 .cse7 .cse1 .cse5) (or .cse2 .cse3 .cse0 .cse4 .cse1 .cse5) (or .cse3 .cse0 .cse7 .cse5 .cse6)))) [2023-11-06 22:58:06,001 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 111) no Hoare annotation was computed. [2023-11-06 22:58:06,001 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 116) no Hoare annotation was computed. [2023-11-06 22:58:06,001 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2023-11-06 22:58:06,002 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 361 372) no Hoare annotation was computed. [2023-11-06 22:58:06,002 INFO L899 garLoopResultBuilder]: For program point L365-1(lines 361 372) no Hoare annotation was computed. [2023-11-06 22:58:06,002 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 361 372) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (< ~pumpRunning~0 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse2 .cse3) (or .cse6 .cse1 .cse5 .cse2 .cse3) (or .cse6 .cse1 .cse2 .cse4))) [2023-11-06 22:58:06,004 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:58:06,007 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:58:06,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:58:06 BoogieIcfgContainer [2023-11-06 22:58:06,082 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:58:06,082 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:58:06,082 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:58:06,083 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:58:06,083 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:57:55" (3/4) ... [2023-11-06 22:58:06,085 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:58:06,089 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-06 22:58:06,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-06 22:58:06,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-06 22:58:06,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-06 22:58:06,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-06 22:58:06,091 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:58:06,091 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-06 22:58:06,105 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-06 22:58:06,106 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-06 22:58:06,106 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 22:58:06,107 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:58:06,107 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:58:06,145 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) && ((((!((\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (((pumpRunning == \old(pumpRunning)) && !((\old(pumpRunning) == 0))) && (1 == systemActive))) || (\old(pumpRunning) < 1))) && (((!((1 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && !((\old(pumpRunning) == 0))) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) [2023-11-06 22:58:06,148 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || (((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || !((methaneLevelCritical == 0))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (methAndRunningLastTime == 0)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || (((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && (((!((1 == systemActive)) || ((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (1 <= \result)) && (1 <= tmp)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1)) || ((pumpRunning == 0) && (methAndRunningLastTime == 0)))) && (((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || ((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) [2023-11-06 22:58:06,149 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((pumpRunning == \old(pumpRunning)) || !((\old(pumpRunning) == 0))) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (tmp == 0)) && (\old(waterLevel) == waterLevel))) || !((methaneLevelCritical == 0))) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (tmp == 0)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel)))) && ((((((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (methAndRunningLastTime == 0)) && (tmp == 0)) && (1 == systemActive)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || (((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (tmp == 0)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || ((1 <= pumpRunning) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && ((((((pumpRunning == \old(pumpRunning)) || !((\old(pumpRunning) == 0))) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) && (((!((1 == systemActive)) || ((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (methAndRunningLastTime == 0)) && (1 <= \result)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) [2023-11-06 22:58:06,150 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) && ((((!((\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (((pumpRunning == \old(pumpRunning)) && !((\old(pumpRunning) == 0))) && (1 == systemActive))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) && (((!((1 == systemActive)) || ((((pumpRunning == \old(pumpRunning)) && !((\old(pumpRunning) == 0))) && (1 <= \result)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) [2023-11-06 22:58:06,150 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((1 == systemActive)) || (\old(pumpRunning) < 1)) || (((pumpRunning == 0) && (1 <= \result)) && (\result == 0))) || (methaneLevelCritical < 1)) && ((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1)) || ((pumpRunning == 0) && (methAndRunningLastTime == 0)))) [2023-11-06 22:58:06,151 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && ((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((methAndRunningLastTime == 0)))) && (((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((\result == 0))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && ((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && (((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((\result == 0))) || !((methaneLevelCritical == 0))) || !((methAndRunningLastTime == 0)))) [2023-11-06 22:58:06,151 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) && (((!((1 == systemActive)) || ((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (1 <= \result)) && (1 <= tmp)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((1 == systemActive)) || ((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) [2023-11-06 22:58:06,152 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && ((!((1 == systemActive)) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) [2023-11-06 22:58:06,152 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && ((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((methAndRunningLastTime == 0)))) && (((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (((!((tmp == 0)) && !((\result == 0))) && (\result == 0)) && (tmp___0 == 0))) || !((methAndRunningLastTime == 0)))) && ((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && (((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((!((tmp == 0)) && !((\result == 0))) && (\result == 0)) && (tmp___0 == 0))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) [2023-11-06 22:58:06,152 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1)) && (((((1 <= pumpRunning) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && (((((1 <= pumpRunning) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((methAndRunningLastTime == 0)))) && ((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((methAndRunningLastTime == 0)))) && ((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) [2023-11-06 22:58:06,225 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) && ((((!((\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (((pumpRunning == \old(pumpRunning)) && !((\old(pumpRunning) == 0))) && (1 == systemActive))) || (\old(pumpRunning) < 1))) && (((!((1 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && !((\old(pumpRunning) == 0))) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) [2023-11-06 22:58:06,225 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || (((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || !((methaneLevelCritical == 0))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (methAndRunningLastTime == 0)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || (((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && (((!((1 == systemActive)) || ((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (1 <= \result)) && (1 <= tmp)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1)) || ((pumpRunning == 0) && (methAndRunningLastTime == 0)))) && (((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || ((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) [2023-11-06 22:58:06,226 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((pumpRunning == \old(pumpRunning)) || !((\old(pumpRunning) == 0))) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (tmp == 0)) && (\old(waterLevel) == waterLevel))) || !((methaneLevelCritical == 0))) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (tmp == 0)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel)))) && ((((((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (methAndRunningLastTime == 0)) && (tmp == 0)) && (1 == systemActive)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || (((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (tmp == 0)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || ((1 <= pumpRunning) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && ((((((pumpRunning == \old(pumpRunning)) || !((\old(pumpRunning) == 0))) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) && (((!((1 == systemActive)) || ((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (methAndRunningLastTime == 0)) && (1 <= \result)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) [2023-11-06 22:58:06,226 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) && ((((!((\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (((pumpRunning == \old(pumpRunning)) && !((\old(pumpRunning) == 0))) && (1 == systemActive))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) && (((!((1 == systemActive)) || ((((pumpRunning == \old(pumpRunning)) && !((\old(pumpRunning) == 0))) && (1 <= \result)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) [2023-11-06 22:58:06,226 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((1 == systemActive)) || (\old(pumpRunning) < 1)) || (((pumpRunning == 0) && (1 <= \result)) && (\result == 0))) || (methaneLevelCritical < 1)) && ((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1)) || ((pumpRunning == 0) && (methAndRunningLastTime == 0)))) [2023-11-06 22:58:06,226 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && ((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((methAndRunningLastTime == 0)))) && (((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((\result == 0))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && ((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && (((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((\result == 0))) || !((methaneLevelCritical == 0))) || !((methAndRunningLastTime == 0)))) [2023-11-06 22:58:06,226 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) && (((!((1 == systemActive)) || ((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (1 <= \result)) && (1 <= tmp)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((1 == systemActive)) || ((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) [2023-11-06 22:58:06,227 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && ((!((1 == systemActive)) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) [2023-11-06 22:58:06,227 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && ((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((methAndRunningLastTime == 0)))) && (((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (((!((tmp == 0)) && !((\result == 0))) && (\result == 0)) && (tmp___0 == 0))) || !((methAndRunningLastTime == 0)))) && ((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && (((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((!((tmp == 0)) && !((\result == 0))) && (\result == 0)) && (tmp___0 == 0))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) [2023-11-06 22:58:06,227 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1)) && (((((1 <= pumpRunning) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && (((((1 <= pumpRunning) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((methAndRunningLastTime == 0)))) && ((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((methAndRunningLastTime == 0)))) && ((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) [2023-11-06 22:58:06,246 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:58:06,252 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:58:06,253 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:58:06,253 INFO L158 Benchmark]: Toolchain (without parser) took 12386.48ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 155.5MB in the beginning and 189.5MB in the end (delta: -34.0MB). Peak memory consumption was 130.6MB. Max. memory is 16.1GB. [2023-11-06 22:58:06,253 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 188.7MB. Free memory is still 161.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:58:06,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 603.33ms. Allocated memory is still 188.7MB. Free memory was 154.7MB in the beginning and 135.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:58:06,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.37ms. Allocated memory is still 188.7MB. Free memory was 135.9MB in the beginning and 133.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:58:06,254 INFO L158 Benchmark]: Boogie Preprocessor took 31.13ms. Allocated memory is still 188.7MB. Free memory was 133.0MB in the beginning and 131.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:58:06,255 INFO L158 Benchmark]: RCFGBuilder took 547.97ms. Allocated memory is still 188.7MB. Free memory was 131.7MB in the beginning and 114.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:58:06,255 INFO L158 Benchmark]: TraceAbstraction took 10959.80ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 114.1MB in the beginning and 70.0MB in the end (delta: 44.1MB). Peak memory consumption was 89.8MB. Max. memory is 16.1GB. [2023-11-06 22:58:06,255 INFO L158 Benchmark]: Witness Printer took 170.26ms. Allocated memory is still 226.5MB. Free memory was 70.0MB in the beginning and 189.5MB in the end (delta: -119.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:58:06,257 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 188.7MB. Free memory is still 161.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 603.33ms. Allocated memory is still 188.7MB. Free memory was 154.7MB in the beginning and 135.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.37ms. Allocated memory is still 188.7MB. Free memory was 135.9MB in the beginning and 133.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.13ms. Allocated memory is still 188.7MB. Free memory was 133.0MB in the beginning and 131.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 547.97ms. Allocated memory is still 188.7MB. Free memory was 131.7MB in the beginning and 114.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 10959.80ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 114.1MB in the beginning and 70.0MB in the end (delta: 44.1MB). Peak memory consumption was 89.8MB. Max. memory is 16.1GB. * Witness Printer took 170.26ms. Allocated memory is still 226.5MB. Free memory was 70.0MB in the beginning and 189.5MB in the end (delta: -119.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] - GenericResultAtLocation [Line: 237]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [237] - GenericResultAtLocation [Line: 305]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [305] - GenericResultAtLocation [Line: 345]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [345] - GenericResultAtLocation [Line: 440]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [440] - GenericResultAtLocation [Line: 449]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [449] - GenericResultAtLocation [Line: 815]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [815] - GenericResultAtLocation [Line: 915]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [915] * 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: 445]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.8s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1108 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1079 mSDsluCounter, 3366 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2240 mSDsCounter, 248 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 825 IncrementalHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 248 mSolverCounterUnsat, 1126 mSDtfsCounter, 825 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 543 GetRequests, 451 SyntacticMatches, 1 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=408occurred in iteration=11, InterpolantAutomatonStates: 76, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 168 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 937 PreInvPairs, 1035 NumberOfFragments, 2386 HoareAnnotationTreeSize, 937 FomulaSimplifications, 919 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 40 FomulaSimplificationsInter, 4768 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 891 NumberOfCodeBlocks, 891 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 966 ConstructedInterpolants, 0 QuantifiedInterpolants, 2070 SizeOfPredicates, 7 NumberOfNonLiveVariables, 958 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 202/235 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: 349]: Loop Invariant Derived loop invariant: (((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) && ((((!((\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (((pumpRunning == \old(pumpRunning)) && !((\old(pumpRunning) == 0))) && (1 == systemActive))) || (\old(pumpRunning) < 1))) && (((!((1 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && !((\old(pumpRunning) == 0))) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: (((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && ((!((1 == systemActive)) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: ((((((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1)) && (((((1 <= pumpRunning) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && (((((1 <= pumpRunning) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((methAndRunningLastTime == 0)))) && ((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((methAndRunningLastTime == 0)))) && ((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: (((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) && ((((!((\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (((pumpRunning == \old(pumpRunning)) && !((\old(pumpRunning) == 0))) && (1 == systemActive))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) && (((!((1 == systemActive)) || ((((pumpRunning == \old(pumpRunning)) && !((\old(pumpRunning) == 0))) && (1 <= \result)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: ((((((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || (((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || !((methaneLevelCritical == 0))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || ((pumpRunning == 0) && (methAndRunningLastTime == 0)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || (((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && (((!((1 == systemActive)) || ((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (1 <= \result)) && (1 <= tmp)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1)) || ((pumpRunning == 0) && (methAndRunningLastTime == 0)))) && (((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || ((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (((((((!((1 == systemActive)) || (\old(pumpRunning) < 1)) || (((pumpRunning == 0) && (1 <= \result)) && (\result == 0))) || (methaneLevelCritical < 1)) && ((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (\old(waterLevel) == waterLevel))) || (((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1)) || ((pumpRunning == 0) && (methAndRunningLastTime == 0)))) - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0))) || ((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (splverifierCounter == 0))) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: ((((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && ((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((methAndRunningLastTime == 0)))) && (((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((\result == 0))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && ((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && (((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((\result == 0))) || !((methaneLevelCritical == 0))) || !((methAndRunningLastTime == 0)))) - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (((((((((((pumpRunning == \old(pumpRunning)) || !((\old(pumpRunning) == 0))) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (tmp == 0)) && (\old(waterLevel) == waterLevel))) || !((methaneLevelCritical == 0))) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (tmp == 0)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel)))) && ((((((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (methAndRunningLastTime == 0)) && (tmp == 0)) && (1 == systemActive)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || (((pumpRunning == \old(pumpRunning)) && (methAndRunningLastTime == 0)) && (tmp == 0)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || ((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == waterLevel))) || ((1 <= pumpRunning) && (\old(waterLevel) == waterLevel))) || (methaneLevelCritical < 1))) && ((((((pumpRunning == \old(pumpRunning)) || !((\old(pumpRunning) == 0))) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) && (((!((1 == systemActive)) || ((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (methAndRunningLastTime == 0)) && (1 <= \result)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: ((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) && (((!((1 == systemActive)) || ((((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (1 <= \result)) && (1 <= tmp)) && (1 == systemActive))) || (\old(pumpRunning) < 1)) || (methaneLevelCritical < 1))) && (((!((1 == systemActive)) || ((!((\old(pumpRunning) == 0)) && (pumpRunning == 0)) && (1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: ((((((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && ((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((methAndRunningLastTime == 0)))) && (((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (((!((tmp == 0)) && !((\result == 0))) && (\result == 0)) && (tmp___0 == 0))) || !((methAndRunningLastTime == 0)))) && ((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) && (((((!((waterLevel == 1)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((!((tmp == 0)) && !((\result == 0))) && (\result == 0)) && (tmp___0 == 0))) || !((methAndRunningLastTime == 0))) || (methaneLevelCritical < 1))) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 22:58:06,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_658bf3f8-676f-4cea-9511-437e710cc8af/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