./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product03.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_fd3a59a7-1753-4bb1-8d69-8bc7b851d7d9/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a59a7-1753-4bb1-8d69-8bc7b851d7d9/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_fd3a59a7-1753-4bb1-8d69-8bc7b851d7d9/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a59a7-1753-4bb1-8d69-8bc7b851d7d9/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a59a7-1753-4bb1-8d69-8bc7b851d7d9/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_fd3a59a7-1753-4bb1-8d69-8bc7b851d7d9/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 3a1eba5ca30a3343d8953ecd039be16a8dd6d2bdab2092d3b75c2a024dd1dbf0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:37:10,388 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:37:10,521 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a59a7-1753-4bb1-8d69-8bc7b851d7d9/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:37:10,527 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:37:10,527 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:37:10,572 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:37:10,573 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:37:10,574 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:37:10,575 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:37:10,582 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:37:10,583 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:37:10,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:37:10,584 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:37:10,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:37:10,587 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:37:10,587 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:37:10,587 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:37:10,588 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:37:10,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:37:10,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:37:10,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:37:10,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:37:10,590 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:37:10,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:37:10,591 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:37:10,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:37:10,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:37:10,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:37:10,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:37:10,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:37:10,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:37:10,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:37:10,595 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:37:10,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:37:10,595 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:37:10,596 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:37:10,596 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:37:10,596 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:37:10,596 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:37:10,596 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_fd3a59a7-1753-4bb1-8d69-8bc7b851d7d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a59a7-1753-4bb1-8d69-8bc7b851d7d9/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a1eba5ca30a3343d8953ecd039be16a8dd6d2bdab2092d3b75c2a024dd1dbf0 [2023-11-06 22:37:10,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:37:10,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:37:10,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:37:10,948 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:37:10,948 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:37:10,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a59a7-1753-4bb1-8d69-8bc7b851d7d9/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2023-11-06 22:37:14,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:37:14,599 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:37:14,600 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a59a7-1753-4bb1-8d69-8bc7b851d7d9/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c [2023-11-06 22:37:14,619 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a59a7-1753-4bb1-8d69-8bc7b851d7d9/bin/uautomizer-verify-WvqO1wxjHP/data/e47fc49a6/1f5e69290c1947ed8377cdae000decb8/FLAG452f71e09 [2023-11-06 22:37:14,635 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a59a7-1753-4bb1-8d69-8bc7b851d7d9/bin/uautomizer-verify-WvqO1wxjHP/data/e47fc49a6/1f5e69290c1947ed8377cdae000decb8 [2023-11-06 22:37:14,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:37:14,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:37:14,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:37:14,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:37:14,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:37:14,651 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:37:14" (1/1) ... [2023-11-06 22:37:14,652 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ca6f60b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:14, skipping insertion in model container [2023-11-06 22:37:14,652 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:37:14" (1/1) ... [2023-11-06 22:37:14,712 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:37:14,993 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_fd3a59a7-1753-4bb1-8d69-8bc7b851d7d9/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c[17319,17332] [2023-11-06 22:37:14,998 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:37:15,016 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:37:15,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2023-11-06 22:37:15,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [181] [2023-11-06 22:37:15,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [251] [2023-11-06 22:37:15,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [332] [2023-11-06 22:37:15,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [370] [2023-11-06 22:37:15,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [468] [2023-11-06 22:37:15,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [834] [2023-11-06 22:37:15,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [874] [2023-11-06 22:37:15,115 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_fd3a59a7-1753-4bb1-8d69-8bc7b851d7d9/sv-benchmarks/c/product-lines/minepump_spec2_product03.cil.c[17319,17332] [2023-11-06 22:37:15,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:37:15,143 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:37:15,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15 WrapperNode [2023-11-06 22:37:15,144 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:37:15,145 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:37:15,145 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:37:15,145 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:37:15,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15" (1/1) ... [2023-11-06 22:37:15,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15" (1/1) ... [2023-11-06 22:37:15,204 INFO L138 Inliner]: procedures = 51, calls = 91, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 142 [2023-11-06 22:37:15,204 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:37:15,205 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:37:15,205 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:37:15,205 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:37:15,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15" (1/1) ... [2023-11-06 22:37:15,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15" (1/1) ... [2023-11-06 22:37:15,227 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15" (1/1) ... [2023-11-06 22:37:15,228 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15" (1/1) ... [2023-11-06 22:37:15,234 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15" (1/1) ... [2023-11-06 22:37:15,248 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15" (1/1) ... [2023-11-06 22:37:15,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15" (1/1) ... [2023-11-06 22:37:15,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15" (1/1) ... [2023-11-06 22:37:15,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:37:15,257 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:37:15,257 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:37:15,257 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:37:15,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15" (1/1) ... [2023-11-06 22:37:15,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:37:15,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a59a7-1753-4bb1-8d69-8bc7b851d7d9/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:37:15,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a59a7-1753-4bb1-8d69-8bc7b851d7d9/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:37:15,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a59a7-1753-4bb1-8d69-8bc7b851d7d9/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:37:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:37:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-06 22:37:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-06 22:37:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-06 22:37:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-06 22:37:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-06 22:37:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-06 22:37:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-06 22:37:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-06 22:37:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:37:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-06 22:37:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-06 22:37:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:37:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:37:15,420 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:37:15,421 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:37:15,661 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:37:15,671 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:37:15,673 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:37:15,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:15 BoogieIcfgContainer [2023-11-06 22:37:15,677 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:37:15,679 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:37:15,679 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:37:15,683 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:37:15,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:37:14" (1/3) ... [2023-11-06 22:37:15,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40109d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:37:15, skipping insertion in model container [2023-11-06 22:37:15,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:15" (2/3) ... [2023-11-06 22:37:15,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40109d33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:37:15, skipping insertion in model container [2023-11-06 22:37:15,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:15" (3/3) ... [2023-11-06 22:37:15,686 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product03.cil.c [2023-11-06 22:37:15,706 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:37:15,706 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:37:15,760 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:37:15,767 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;@16b9e1bc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:37:15,768 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:37:15,772 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 58 states have internal predecessors, (75), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-06 22:37:15,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-06 22:37:15,783 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:37:15,783 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 22:37:15,784 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:37:15,790 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:37:15,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1618223231, now seen corresponding path program 1 times [2023-11-06 22:37:15,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:37:15,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359957196] [2023-11-06 22:37:15,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:37:15,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:37:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:15,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:37:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:16,007 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 22:37:16,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:37:16,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359957196] [2023-11-06 22:37:16,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359957196] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:37:16,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:37:16,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:37:16,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667798398] [2023-11-06 22:37:16,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:37:16,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:37:16,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:37:16,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:37:16,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:37:16,052 INFO L87 Difference]: Start difference. First operand has 68 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 58 states have internal predecessors, (75), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) 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 22:37:16,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:37:16,088 INFO L93 Difference]: Finished difference Result 127 states and 172 transitions. [2023-11-06 22:37:16,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:37:16,091 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 22:37:16,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:37:16,101 INFO L225 Difference]: With dead ends: 127 [2023-11-06 22:37:16,101 INFO L226 Difference]: Without dead ends: 59 [2023-11-06 22:37:16,105 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 22:37:16,110 INFO L413 NwaCegarLoop]: 83 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, 83 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 22:37:16,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:37:16,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-06 22:37:16,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-06 22:37:16,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 47 states have (on average 1.297872340425532) internal successors, (61), 50 states have internal predecessors, (61), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-06 22:37:16,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 74 transitions. [2023-11-06 22:37:16,254 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 74 transitions. Word has length 25 [2023-11-06 22:37:16,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:37:16,255 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 74 transitions. [2023-11-06 22:37:16,256 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 22:37:16,256 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2023-11-06 22:37:16,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-06 22:37:16,262 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:37:16,263 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 22:37:16,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:37:16,263 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:37:16,265 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:37:16,266 INFO L85 PathProgramCache]: Analyzing trace with hash -915486216, now seen corresponding path program 1 times [2023-11-06 22:37:16,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:37:16,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979874800] [2023-11-06 22:37:16,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:37:16,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:37:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:16,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:37:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:16,454 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 22:37:16,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:37:16,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979874800] [2023-11-06 22:37:16,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979874800] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:37:16,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:37:16,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:37:16,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392600915] [2023-11-06 22:37:16,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:37:16,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:37:16,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:37:16,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:37:16,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:37:16,458 INFO L87 Difference]: Start difference. First operand 59 states and 74 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 22:37:16,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:37:16,474 INFO L93 Difference]: Finished difference Result 79 states and 98 transitions. [2023-11-06 22:37:16,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:37:16,475 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 22:37:16,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:37:16,476 INFO L225 Difference]: With dead ends: 79 [2023-11-06 22:37:16,476 INFO L226 Difference]: Without dead ends: 50 [2023-11-06 22:37:16,477 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 22:37:16,479 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 17 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 101 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 22:37:16,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:37:16,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-06 22:37:16,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-06 22:37:16,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 44 states have internal predecessors, (54), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-06 22:37:16,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2023-11-06 22:37:16,488 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 26 [2023-11-06 22:37:16,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:37:16,489 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2023-11-06 22:37:16,489 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 22:37:16,489 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2023-11-06 22:37:16,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-06 22:37:16,491 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:37:16,491 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 22:37:16,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:37:16,491 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:37:16,492 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:37:16,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1945528758, now seen corresponding path program 1 times [2023-11-06 22:37:16,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:37:16,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368797551] [2023-11-06 22:37:16,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:37:16,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:37:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:16,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:37:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:16,666 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 22:37:16,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:37:16,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368797551] [2023-11-06 22:37:16,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368797551] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:37:16,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:37:16,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:37:16,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307262338] [2023-11-06 22:37:16,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:37:16,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:37:16,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:37:16,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:37:16,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:37:16,670 INFO L87 Difference]: Start difference. First operand 50 states and 62 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 22:37:16,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:37:16,728 INFO L93 Difference]: Finished difference Result 133 states and 170 transitions. [2023-11-06 22:37:16,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:37:16,729 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 22:37:16,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:37:16,732 INFO L225 Difference]: With dead ends: 133 [2023-11-06 22:37:16,732 INFO L226 Difference]: Without dead ends: 91 [2023-11-06 22:37:16,733 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 22:37:16,735 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 41 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:37:16,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 112 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:37:16,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-06 22:37:16,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 86. [2023-11-06 22:37:16,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 69 states have (on average 1.3478260869565217) internal successors, (93), 74 states have internal predecessors, (93), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 22:37:16,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 109 transitions. [2023-11-06 22:37:16,769 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 109 transitions. Word has length 30 [2023-11-06 22:37:16,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:37:16,769 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 109 transitions. [2023-11-06 22:37:16,770 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 22:37:16,770 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 109 transitions. [2023-11-06 22:37:16,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-06 22:37:16,772 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:37:16,772 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:37:16,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:37:16,773 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:37:16,773 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:37:16,774 INFO L85 PathProgramCache]: Analyzing trace with hash -290200365, now seen corresponding path program 1 times [2023-11-06 22:37:16,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:37:16,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924986063] [2023-11-06 22:37:16,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:37:16,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:37:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:16,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:37:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:16,906 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 22:37:16,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:37:16,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924986063] [2023-11-06 22:37:16,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924986063] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:37:16,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:37:16,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:37:16,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937112411] [2023-11-06 22:37:16,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:37:16,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:37:16,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:37:16,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:37:16,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:37:16,910 INFO L87 Difference]: Start difference. First operand 86 states and 109 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 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 22:37:16,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:37:17,004 INFO L93 Difference]: Finished difference Result 161 states and 206 transitions. [2023-11-06 22:37:17,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:37:17,007 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 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 31 [2023-11-06 22:37:17,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:37:17,008 INFO L225 Difference]: With dead ends: 161 [2023-11-06 22:37:17,008 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:37:17,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:37:17,014 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 34 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:37:17,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 145 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:37:17,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:37:17,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:37:17,022 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 22:37:17,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:37:17,023 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2023-11-06 22:37:17,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:37:17,027 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:37:17,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 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 22:37:17,028 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:37:17,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:37:17,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:37:17,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:37:17,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:37:17,266 INFO L899 garLoopResultBuilder]: For program point L283-1(lines 279 290) no Hoare annotation was computed. [2023-11-06 22:37:17,267 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 279 290) the Hoare annotation is: true [2023-11-06 22:37:17,267 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 279 290) no Hoare annotation was computed. [2023-11-06 22:37:17,267 INFO L902 garLoopResultBuilder]: At program point L386-1(lines 386 390) the Hoare annotation is: true [2023-11-06 22:37:17,267 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 372 401) no Hoare annotation was computed. [2023-11-06 22:37:17,268 INFO L899 garLoopResultBuilder]: For program point L383(line 383) no Hoare annotation was computed. [2023-11-06 22:37:17,268 INFO L902 garLoopResultBuilder]: At program point L382-2(lines 382 396) the Hoare annotation is: true [2023-11-06 22:37:17,268 INFO L902 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2023-11-06 22:37:17,268 INFO L899 garLoopResultBuilder]: For program point L378-1(line 378) no Hoare annotation was computed. [2023-11-06 22:37:17,268 INFO L902 garLoopResultBuilder]: At program point L397(lines 372 401) the Hoare annotation is: true [2023-11-06 22:37:17,269 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 372 401) the Hoare annotation is: true [2023-11-06 22:37:17,269 INFO L899 garLoopResultBuilder]: For program point L393(line 393) no Hoare annotation was computed. [2023-11-06 22:37:17,269 INFO L899 garLoopResultBuilder]: For program point L386(lines 386 390) no Hoare annotation was computed. [2023-11-06 22:37:17,269 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 291 299) the Hoare annotation is: true [2023-11-06 22:37:17,270 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 291 299) no Hoare annotation was computed. [2023-11-06 22:37:17,270 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 291 299) no Hoare annotation was computed. [2023-11-06 22:37:17,270 INFO L899 garLoopResultBuilder]: For program point L857(lines 857 867) no Hoare annotation was computed. [2023-11-06 22:37:17,270 INFO L899 garLoopResultBuilder]: For program point L853(lines 853 870) no Hoare annotation was computed. [2023-11-06 22:37:17,270 INFO L902 garLoopResultBuilder]: At program point L853-1(lines 845 873) the Hoare annotation is: true [2023-11-06 22:37:17,271 INFO L902 garLoopResultBuilder]: At program point L851(line 851) the Hoare annotation is: true [2023-11-06 22:37:17,271 INFO L899 garLoopResultBuilder]: For program point L851-1(line 851) no Hoare annotation was computed. [2023-11-06 22:37:17,271 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 875 882) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2023-11-06 22:37:17,271 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 63 86) the Hoare annotation is: true [2023-11-06 22:37:17,272 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 63 86) no Hoare annotation was computed. [2023-11-06 22:37:17,272 INFO L902 garLoopResultBuilder]: At program point processEnvironment_returnLabel#1(lines 87 93) the Hoare annotation is: true [2023-11-06 22:37:17,272 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 263) no Hoare annotation was computed. [2023-11-06 22:37:17,272 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 66 85) no Hoare annotation was computed. [2023-11-06 22:37:17,272 INFO L895 garLoopResultBuilder]: At program point L259-2(lines 255 266) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2023-11-06 22:37:17,273 INFO L899 garLoopResultBuilder]: For program point L858(lines 858 864) no Hoare annotation was computed. [2023-11-06 22:37:17,273 INFO L899 garLoopResultBuilder]: For program point L879(line 879) no Hoare annotation was computed. [2023-11-06 22:37:17,273 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 63 86) no Hoare annotation was computed. [2023-11-06 22:37:17,273 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2023-11-06 22:37:17,274 INFO L895 garLoopResultBuilder]: At program point isPumpRunning_returnLabel#1(lines 121 129) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |timeShift_isPumpRunning_#res#1| 0)) [2023-11-06 22:37:17,274 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 879) no Hoare annotation was computed. [2023-11-06 22:37:17,274 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 238) no Hoare annotation was computed. [2023-11-06 22:37:17,274 INFO L895 garLoopResultBuilder]: At program point L217(line 217) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-06 22:37:17,275 INFO L902 garLoopResultBuilder]: At program point L246(lines 185 250) the Hoare annotation is: true [2023-11-06 22:37:17,275 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 434 444) the Hoare annotation is: true [2023-11-06 22:37:17,275 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 211) no Hoare annotation was computed. [2023-11-06 22:37:17,275 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 205 211) no Hoare annotation was computed. [2023-11-06 22:37:17,275 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 347 353) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2023-11-06 22:37:17,276 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 445 467) the Hoare annotation is: true [2023-11-06 22:37:17,276 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 201) no Hoare annotation was computed. [2023-11-06 22:37:17,276 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:37:17,276 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:37:17,276 INFO L895 garLoopResultBuilder]: At program point L243(lines 194 244) the Hoare annotation is: false [2023-11-06 22:37:17,277 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 426 432) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2023-11-06 22:37:17,277 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 237) no Hoare annotation was computed. [2023-11-06 22:37:17,277 INFO L895 garLoopResultBuilder]: At program point L231-2(lines 225 238) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-06 22:37:17,277 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:37:17,278 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 221) no Hoare annotation was computed. [2023-11-06 22:37:17,278 INFO L899 garLoopResultBuilder]: For program point L215-1(lines 215 221) no Hoare annotation was computed. [2023-11-06 22:37:17,278 INFO L895 garLoopResultBuilder]: At program point L240(lines 195 242) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-06 22:37:17,278 INFO L895 garLoopResultBuilder]: At program point L207(line 207) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-06 22:37:17,279 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 176) no Hoare annotation was computed. [2023-11-06 22:37:17,279 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:37:17,279 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 354 360) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2023-11-06 22:37:17,279 INFO L899 garLoopResultBuilder]: For program point L170-2(lines 170 176) no Hoare annotation was computed. [2023-11-06 22:37:17,279 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 462) no Hoare annotation was computed. [2023-11-06 22:37:17,280 INFO L899 garLoopResultBuilder]: For program point L455-2(lines 455 462) no Hoare annotation was computed. [2023-11-06 22:37:17,280 INFO L895 garLoopResultBuilder]: At program point deactivatePump_returnLabel#1(lines 102 109) the Hoare annotation is: false [2023-11-06 22:37:17,280 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification2_spec__1_returnLabel#1(lines 837 844) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2023-11-06 22:37:17,280 INFO L895 garLoopResultBuilder]: At program point stopSystem_returnLabel#1(lines 166 180) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-06 22:37:17,281 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 361 369) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2023-11-06 22:37:17,281 INFO L899 garLoopResultBuilder]: For program point L196(lines 195 242) no Hoare annotation was computed. [2023-11-06 22:37:17,281 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 267 278) no Hoare annotation was computed. [2023-11-06 22:37:17,281 INFO L899 garLoopResultBuilder]: For program point L271-1(lines 267 278) no Hoare annotation was computed. [2023-11-06 22:37:17,281 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 267 278) the Hoare annotation is: true [2023-11-06 22:37:17,284 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-06 22:37:17,287 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:37:17,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:37:17 BoogieIcfgContainer [2023-11-06 22:37:17,303 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:37:17,303 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:37:17,303 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:37:17,304 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:37:17,304 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:15" (3/4) ... [2023-11-06 22:37:17,307 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:37:17,311 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-06 22:37:17,312 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-06 22:37:17,312 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-06 22:37:17,312 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-06 22:37:17,313 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-06 22:37:17,322 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-06 22:37:17,323 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-06 22:37:17,323 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 22:37:17,324 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:37:17,324 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:37:17,353 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!((pumpRunning == 0)) || (\result == 0)) [2023-11-06 22:37:17,385 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!((pumpRunning == 0)) || (\result == 0)) [2023-11-06 22:37:17,434 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a59a7-1753-4bb1-8d69-8bc7b851d7d9/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:37:17,435 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a59a7-1753-4bb1-8d69-8bc7b851d7d9/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:37:17,435 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:37:17,436 INFO L158 Benchmark]: Toolchain (without parser) took 2795.77ms. Allocated memory was 132.1MB in the beginning and 161.5MB in the end (delta: 29.4MB). Free memory was 100.4MB in the beginning and 132.3MB in the end (delta: -31.8MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. [2023-11-06 22:37:17,436 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:37:17,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 502.00ms. Allocated memory is still 132.1MB. Free memory was 99.9MB in the beginning and 81.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:37:17,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.45ms. Allocated memory is still 132.1MB. Free memory was 81.6MB in the beginning and 79.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:37:17,438 INFO L158 Benchmark]: Boogie Preprocessor took 50.60ms. Allocated memory is still 132.1MB. Free memory was 79.5MB in the beginning and 78.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:37:17,438 INFO L158 Benchmark]: RCFGBuilder took 420.17ms. Allocated memory is still 132.1MB. Free memory was 77.9MB in the beginning and 63.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:37:17,439 INFO L158 Benchmark]: TraceAbstraction took 1623.35ms. Allocated memory is still 132.1MB. Free memory was 62.7MB in the beginning and 49.2MB in the end (delta: 13.5MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2023-11-06 22:37:17,439 INFO L158 Benchmark]: Witness Printer took 132.14ms. Allocated memory was 132.1MB in the beginning and 161.5MB in the end (delta: 29.4MB). Free memory was 48.5MB in the beginning and 132.3MB in the end (delta: -83.8MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2023-11-06 22:37:17,446 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 502.00ms. Allocated memory is still 132.1MB. Free memory was 99.9MB in the beginning and 81.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.45ms. Allocated memory is still 132.1MB. Free memory was 81.6MB in the beginning and 79.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.60ms. Allocated memory is still 132.1MB. Free memory was 79.5MB in the beginning and 78.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 420.17ms. Allocated memory is still 132.1MB. Free memory was 77.9MB in the beginning and 63.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1623.35ms. Allocated memory is still 132.1MB. Free memory was 62.7MB in the beginning and 49.2MB in the end (delta: 13.5MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Witness Printer took 132.14ms. Allocated memory was 132.1MB in the beginning and 161.5MB in the end (delta: 29.4MB). Free memory was 48.5MB in the beginning and 132.3MB in the end (delta: -83.8MB). Peak memory consumption was 10.9MB. 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: 181]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [181] - GenericResultAtLocation [Line: 251]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [251] - GenericResultAtLocation [Line: 332]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [332] - GenericResultAtLocation [Line: 370]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [370] - GenericResultAtLocation [Line: 468]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [468] - GenericResultAtLocation [Line: 834]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [834] - GenericResultAtLocation [Line: 874]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [874] * 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: 879]: 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 6 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 441 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 186 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 255 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=3, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 114 PreInvPairs, 137 NumberOfFragments, 103 HoareAnnotationTreeSize, 114 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 206 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 198 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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: 166]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (1 == systemActive)) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (1 == systemActive)) - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: !((pumpRunning == 0)) - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (1 == systemActive)) - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (1 == systemActive)) - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (1 == systemActive)) - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: (!((pumpRunning == 0)) || (\result == 0)) - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: !((pumpRunning == 0)) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 22:37:17,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3a59a7-1753-4bb1-8d69-8bc7b851d7d9/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