./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35a7630-47d0-4631-9bb5-02b1fd8d3746/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35a7630-47d0-4631-9bb5-02b1fd8d3746/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35a7630-47d0-4631-9bb5-02b1fd8d3746/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35a7630-47d0-4631-9bb5-02b1fd8d3746/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35a7630-47d0-4631-9bb5-02b1fd8d3746/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35a7630-47d0-4631-9bb5-02b1fd8d3746/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b31717b9bd1ac5cd1350f18acb90cf1947e367b4bc98f1fbfc3c2d7d8e7480dc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:55:03,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:55:03,600 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35a7630-47d0-4631-9bb5-02b1fd8d3746/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 06:55:03,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:55:03,605 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:55:03,630 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:55:03,631 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:55:03,631 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:55:03,632 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:55:03,633 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:55:03,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:55:03,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:55:03,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:55:03,635 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:55:03,635 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:55:03,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:55:03,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:55:03,637 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:55:03,637 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:55:03,637 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:55:03,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:55:03,639 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:55:03,639 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:55:03,639 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:55:03,640 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:55:03,640 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:55:03,641 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:55:03,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:55:03,641 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:55:03,642 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:55:03,642 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:55:03,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:55:03,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:55:03,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:55:03,644 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:55:03,644 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:55:03,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:55:03,644 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:55:03,644 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:55:03,645 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:55:03,645 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:55:03,645 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:55:03,645 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_d35a7630-47d0-4631-9bb5-02b1fd8d3746/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35a7630-47d0-4631-9bb5-02b1fd8d3746/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b31717b9bd1ac5cd1350f18acb90cf1947e367b4bc98f1fbfc3c2d7d8e7480dc [2023-11-29 06:55:03,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:55:03,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:55:03,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:55:03,930 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:55:03,930 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:55:03,931 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35a7630-47d0-4631-9bb5-02b1fd8d3746/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c [2023-11-29 06:55:06,733 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:55:06,930 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:55:06,930 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35a7630-47d0-4631-9bb5-02b1fd8d3746/sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c [2023-11-29 06:55:06,945 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35a7630-47d0-4631-9bb5-02b1fd8d3746/bin/uautomizer-verify-BQ2R08f2Ya/data/1334b8919/94c075cff5b94120bf7ebdfde3ce5968/FLAG317212050 [2023-11-29 06:55:06,959 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35a7630-47d0-4631-9bb5-02b1fd8d3746/bin/uautomizer-verify-BQ2R08f2Ya/data/1334b8919/94c075cff5b94120bf7ebdfde3ce5968 [2023-11-29 06:55:06,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:55:06,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:55:06,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:55:06,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:55:06,969 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:55:06,970 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:55:06" (1/1) ... [2023-11-29 06:55:06,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d84df8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:55:06, skipping insertion in model container [2023-11-29 06:55:06,971 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:55:06" (1/1) ... [2023-11-29 06:55:07,017 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:55:07,237 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_d35a7630-47d0-4631-9bb5-02b1fd8d3746/sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c[16991,17004] [2023-11-29 06:55:07,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:55:07,255 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:55:07,262 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2023-11-29 06:55:07,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [101] [2023-11-29 06:55:07,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [176] [2023-11-29 06:55:07,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [315] [2023-11-29 06:55:07,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [681] [2023-11-29 06:55:07,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [761] [2023-11-29 06:55:07,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [861] [2023-11-29 06:55:07,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [870] [2023-11-29 06:55:07,322 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_d35a7630-47d0-4631-9bb5-02b1fd8d3746/sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c[16991,17004] [2023-11-29 06:55:07,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:55:07,341 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:55:07,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:55:07 WrapperNode [2023-11-29 06:55:07,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:55:07,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:55:07,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:55:07,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:55:07,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:55:07" (1/1) ... [2023-11-29 06:55:07,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:55:07" (1/1) ... [2023-11-29 06:55:07,387 INFO L138 Inliner]: procedures = 53, calls = 94, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 148 [2023-11-29 06:55:07,387 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:55:07,388 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:55:07,388 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:55:07,388 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:55:07,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:55:07" (1/1) ... [2023-11-29 06:55:07,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:55:07" (1/1) ... [2023-11-29 06:55:07,402 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:55:07" (1/1) ... [2023-11-29 06:55:07,416 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 06:55:07,416 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:55:07" (1/1) ... [2023-11-29 06:55:07,417 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:55:07" (1/1) ... [2023-11-29 06:55:07,422 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:55:07" (1/1) ... [2023-11-29 06:55:07,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:55:07" (1/1) ... [2023-11-29 06:55:07,428 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:55:07" (1/1) ... [2023-11-29 06:55:07,430 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:55:07" (1/1) ... [2023-11-29 06:55:07,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:55:07,433 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:55:07,433 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:55:07,433 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:55:07,434 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:55:07" (1/1) ... [2023-11-29 06:55:07,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:55:07,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35a7630-47d0-4631-9bb5-02b1fd8d3746/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:55:07,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35a7630-47d0-4631-9bb5-02b1fd8d3746/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:55:07,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35a7630-47d0-4631-9bb5-02b1fd8d3746/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:55:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:55:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-29 06:55:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-29 06:55:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-29 06:55:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-29 06:55:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-29 06:55:07,496 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-29 06:55:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-29 06:55:07,496 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-29 06:55:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:55:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-29 06:55:07,496 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-29 06:55:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:55:07,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:55:07,570 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:55:07,573 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:55:07,781 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:55:07,840 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:55:07,840 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 06:55:07,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:55:07 BoogieIcfgContainer [2023-11-29 06:55:07,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:55:07,844 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:55:07,844 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:55:07,847 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:55:07,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:55:06" (1/3) ... [2023-11-29 06:55:07,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488e88d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:55:07, skipping insertion in model container [2023-11-29 06:55:07,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:55:07" (2/3) ... [2023-11-29 06:55:07,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488e88d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:55:07, skipping insertion in model container [2023-11-29 06:55:07,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:55:07" (3/3) ... [2023-11-29 06:55:07,849 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product04.cil.c [2023-11-29 06:55:07,865 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:55:07,865 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:55:07,908 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:55:07,914 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2df6027b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:55:07,914 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:55:07,918 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 42 states have internal predecessors, (59), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 06:55:07,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-29 06:55:07,926 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:55:07,927 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:55:07,927 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:55:07,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:55:07,932 INFO L85 PathProgramCache]: Analyzing trace with hash 509833104, now seen corresponding path program 1 times [2023-11-29 06:55:07,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:55:07,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290251416] [2023-11-29 06:55:07,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:55:07,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:55:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:08,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 06:55:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:08,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-29 06:55:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:08,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 06:55:08,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:55:08,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290251416] [2023-11-29 06:55:08,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290251416] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:55:08,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:55:08,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:55:08,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255760819] [2023-11-29 06:55:08,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:55:08,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:55:08,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:55:08,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:55:08,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:55:08,178 INFO L87 Difference]: Start difference. First operand has 53 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 42 states have internal predecessors, (59), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 06:55:08,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:55:08,228 INFO L93 Difference]: Finished difference Result 104 states and 151 transitions. [2023-11-29 06:55:08,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:55:08,230 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-11-29 06:55:08,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:55:08,237 INFO L225 Difference]: With dead ends: 104 [2023-11-29 06:55:08,237 INFO L226 Difference]: Without dead ends: 48 [2023-11-29 06:55:08,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:55:08,243 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:55:08,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:55:08,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-29 06:55:08,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-29 06:55:08,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 35 states have (on average 1.4) internal successors, (49), 38 states have internal predecessors, (49), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-29 06:55:08,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 64 transitions. [2023-11-29 06:55:08,279 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 64 transitions. Word has length 22 [2023-11-29 06:55:08,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:55:08,279 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 64 transitions. [2023-11-29 06:55:08,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 06:55:08,280 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2023-11-29 06:55:08,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-29 06:55:08,282 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:55:08,283 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:55:08,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:55:08,283 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:55:08,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:55:08,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1983639777, now seen corresponding path program 1 times [2023-11-29 06:55:08,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:55:08,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134865817] [2023-11-29 06:55:08,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:55:08,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:55:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:08,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 06:55:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:08,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 06:55:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:08,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 06:55:08,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:55:08,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134865817] [2023-11-29 06:55:08,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134865817] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:55:08,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:55:08,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:55:08,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476220625] [2023-11-29 06:55:08,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:55:08,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:55:08,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:55:08,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:55:08,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:55:08,403 INFO L87 Difference]: Start difference. First operand 48 states and 64 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 06:55:08,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:55:08,435 INFO L93 Difference]: Finished difference Result 67 states and 88 transitions. [2023-11-29 06:55:08,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:55:08,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2023-11-29 06:55:08,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:55:08,437 INFO L225 Difference]: With dead ends: 67 [2023-11-29 06:55:08,437 INFO L226 Difference]: Without dead ends: 40 [2023-11-29 06:55:08,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:55:08,440 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 14 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:55:08,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 70 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:55:08,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-11-29 06:55:08,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-29 06:55:08,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 33 states have internal predecessors, (43), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 06:55:08,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 53 transitions. [2023-11-29 06:55:08,449 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 53 transitions. Word has length 23 [2023-11-29 06:55:08,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:55:08,450 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 53 transitions. [2023-11-29 06:55:08,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 06:55:08,450 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2023-11-29 06:55:08,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-29 06:55:08,452 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:55:08,452 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:55:08,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:55:08,452 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:55:08,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:55:08,453 INFO L85 PathProgramCache]: Analyzing trace with hash 556741921, now seen corresponding path program 1 times [2023-11-29 06:55:08,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:55:08,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847543611] [2023-11-29 06:55:08,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:55:08,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:55:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:08,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 06:55:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:08,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 06:55:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:08,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 06:55:08,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:55:08,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847543611] [2023-11-29 06:55:08,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847543611] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:55:08,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:55:08,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:55:08,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138210932] [2023-11-29 06:55:08,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:55:08,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:55:08,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:55:08,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:55:08,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:55:08,553 INFO L87 Difference]: Start difference. First operand 40 states and 53 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:55:08,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:55:08,599 INFO L93 Difference]: Finished difference Result 116 states and 156 transitions. [2023-11-29 06:55:08,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:55:08,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-11-29 06:55:08,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:55:08,602 INFO L225 Difference]: With dead ends: 116 [2023-11-29 06:55:08,602 INFO L226 Difference]: Without dead ends: 78 [2023-11-29 06:55:08,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:55:08,605 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 44 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:55:08,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 83 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:55:08,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-29 06:55:08,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 74. [2023-11-29 06:55:08,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 55 states have (on average 1.4363636363636363) internal successors, (79), 60 states have internal predecessors, (79), 10 states have call successors, (10), 8 states have call predecessors, (10), 8 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 06:55:08,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 99 transitions. [2023-11-29 06:55:08,621 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 99 transitions. Word has length 26 [2023-11-29 06:55:08,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:55:08,622 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 99 transitions. [2023-11-29 06:55:08,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:55:08,622 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 99 transitions. [2023-11-29 06:55:08,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-29 06:55:08,624 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:55:08,624 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:55:08,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:55:08,625 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:55:08,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:55:08,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1341000748, now seen corresponding path program 1 times [2023-11-29 06:55:08,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:55:08,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549419646] [2023-11-29 06:55:08,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:55:08,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:55:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:08,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 06:55:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:08,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 06:55:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:55:08,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 06:55:08,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:55:08,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549419646] [2023-11-29 06:55:08,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549419646] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:55:08,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:55:08,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 06:55:08,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086474156] [2023-11-29 06:55:08,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:55:08,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:55:08,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:55:08,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:55:08,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:55:08,808 INFO L87 Difference]: Start difference. First operand 74 states and 99 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 06:55:08,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:55:08,913 INFO L93 Difference]: Finished difference Result 140 states and 189 transitions. [2023-11-29 06:55:08,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:55:08,914 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2023-11-29 06:55:08,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:55:08,914 INFO L225 Difference]: With dead ends: 140 [2023-11-29 06:55:08,915 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 06:55:08,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:55:08,918 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 27 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:55:08,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 109 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:55:08,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 06:55:08,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 06:55:08,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:55:08,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 06:55:08,920 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2023-11-29 06:55:08,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:55:08,920 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:55:08,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-29 06:55:08,921 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 06:55:08,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 06:55:08,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 06:55:08,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:55:08,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 06:55:09,034 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 708 719) the Hoare annotation is: true [2023-11-29 06:55:09,035 INFO L899 garLoopResultBuilder]: For program point L712-1(lines 708 719) no Hoare annotation was computed. [2023-11-29 06:55:09,035 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 708 719) no Hoare annotation was computed. [2023-11-29 06:55:09,035 INFO L902 garLoopResultBuilder]: At program point L769(line 769) the Hoare annotation is: true [2023-11-29 06:55:09,035 INFO L899 garLoopResultBuilder]: For program point L769-1(line 769) no Hoare annotation was computed. [2023-11-29 06:55:09,035 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 763 792) no Hoare annotation was computed. [2023-11-29 06:55:09,036 INFO L899 garLoopResultBuilder]: For program point L788(lines 763 792) no Hoare annotation was computed. [2023-11-29 06:55:09,036 INFO L899 garLoopResultBuilder]: For program point L784(line 784) no Hoare annotation was computed. [2023-11-29 06:55:09,036 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 763 792) the Hoare annotation is: true [2023-11-29 06:55:09,036 INFO L899 garLoopResultBuilder]: For program point L777(lines 777 781) no Hoare annotation was computed. [2023-11-29 06:55:09,036 INFO L902 garLoopResultBuilder]: At program point L777-1(lines 777 781) the Hoare annotation is: true [2023-11-29 06:55:09,036 INFO L902 garLoopResultBuilder]: At program point L773-2(lines 773 787) the Hoare annotation is: true [2023-11-29 06:55:09,037 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-11-29 06:55:09,037 INFO L899 garLoopResultBuilder]: For program point L688(lines 688 692) no Hoare annotation was computed. [2023-11-29 06:55:09,037 INFO L899 garLoopResultBuilder]: For program point L688-2(lines 684 695) no Hoare annotation was computed. [2023-11-29 06:55:09,037 INFO L899 garLoopResultBuilder]: For program point L866(line 866) no Hoare annotation was computed. [2023-11-29 06:55:09,037 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 199) no Hoare annotation was computed. [2023-11-29 06:55:09,037 INFO L899 garLoopResultBuilder]: For program point L193-2(lines 189 211) no Hoare annotation was computed. [2023-11-29 06:55:09,038 INFO L902 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: true [2023-11-29 06:55:09,038 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-11-29 06:55:09,038 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 186 212) the Hoare annotation is: true [2023-11-29 06:55:09,038 INFO L902 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: true [2023-11-29 06:55:09,038 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-11-29 06:55:09,038 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2023-11-29 06:55:09,038 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2023-11-29 06:55:09,039 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 72 100) no Hoare annotation was computed. [2023-11-29 06:55:09,039 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 186 212) no Hoare annotation was computed. [2023-11-29 06:55:09,039 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 866) no Hoare annotation was computed. [2023-11-29 06:55:09,039 INFO L899 garLoopResultBuilder]: For program point L200-1(lines 200 206) no Hoare annotation was computed. [2023-11-29 06:55:09,039 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 302) no Hoare annotation was computed. [2023-11-29 06:55:09,040 INFO L895 garLoopResultBuilder]: At program point L168(lines 117 169) the Hoare annotation is: false [2023-11-29 06:55:09,040 INFO L899 garLoopResultBuilder]: For program point L296-2(lines 296 302) no Hoare annotation was computed. [2023-11-29 06:55:09,040 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 162) no Hoare annotation was computed. [2023-11-29 06:55:09,040 INFO L895 garLoopResultBuilder]: At program point L156-2(lines 148 163) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 06:55:09,040 INFO L899 garLoopResultBuilder]: For program point L119(lines 118 167) no Hoare annotation was computed. [2023-11-29 06:55:09,041 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 163) no Hoare annotation was computed. [2023-11-29 06:55:09,041 INFO L895 garLoopResultBuilder]: At program point L140(line 140) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 06:55:09,041 INFO L895 garLoopResultBuilder]: At program point L165(lines 118 167) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 06:55:09,041 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 06:55:09,041 INFO L899 garLoopResultBuilder]: For program point L128(lines 128 134) no Hoare annotation was computed. [2023-11-29 06:55:09,042 INFO L899 garLoopResultBuilder]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2023-11-29 06:55:09,042 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 06:55:09,042 INFO L899 garLoopResultBuilder]: For program point L848(lines 848 855) no Hoare annotation was computed. [2023-11-29 06:55:09,042 INFO L899 garLoopResultBuilder]: For program point L848-2(lines 848 855) no Hoare annotation was computed. [2023-11-29 06:55:09,042 INFO L899 garLoopResultBuilder]: For program point L171(lines 108 175) no Hoare annotation was computed. [2023-11-29 06:55:09,042 INFO L899 garLoopResultBuilder]: For program point L138(lines 138 144) no Hoare annotation was computed. [2023-11-29 06:55:09,043 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 138 144) no Hoare annotation was computed. [2023-11-29 06:55:09,043 INFO L895 garLoopResultBuilder]: At program point L130(line 130) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 06:55:09,043 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 696 707) no Hoare annotation was computed. [2023-11-29 06:55:09,043 INFO L899 garLoopResultBuilder]: For program point L700-1(lines 696 707) no Hoare annotation was computed. [2023-11-29 06:55:09,043 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 696 707) the Hoare annotation is: true [2023-11-29 06:55:09,043 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 247 255) no Hoare annotation was computed. [2023-11-29 06:55:09,044 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 247 255) the Hoare annotation is: true [2023-11-29 06:55:09,046 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-29 06:55:09,049 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:55:09,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:55:09 BoogieIcfgContainer [2023-11-29 06:55:09,062 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:55:09,062 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:55:09,063 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:55:09,063 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:55:09,063 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:55:07" (3/4) ... [2023-11-29 06:55:09,066 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 06:55:09,070 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-29 06:55:09,070 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-29 06:55:09,070 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-29 06:55:09,070 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-29 06:55:09,070 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-29 06:55:09,077 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-11-29 06:55:09,078 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-29 06:55:09,078 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 06:55:09,079 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 06:55:09,079 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 06:55:09,192 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35a7630-47d0-4631-9bb5-02b1fd8d3746/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:55:09,193 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35a7630-47d0-4631-9bb5-02b1fd8d3746/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 06:55:09,193 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:55:09,194 INFO L158 Benchmark]: Toolchain (without parser) took 2230.45ms. Allocated memory was 176.2MB in the beginning and 239.1MB in the end (delta: 62.9MB). Free memory was 126.6MB in the beginning and 139.1MB in the end (delta: -12.5MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2023-11-29 06:55:09,194 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 176.2MB. Free memory was 146.7MB in the beginning and 146.5MB in the end (delta: 186.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:55:09,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.52ms. Allocated memory is still 176.2MB. Free memory was 126.6MB in the beginning and 107.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 06:55:09,195 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.77ms. Allocated memory is still 176.2MB. Free memory was 107.7MB in the beginning and 105.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:55:09,195 INFO L158 Benchmark]: Boogie Preprocessor took 44.35ms. Allocated memory is still 176.2MB. Free memory was 105.6MB in the beginning and 103.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:55:09,196 INFO L158 Benchmark]: RCFGBuilder took 407.95ms. Allocated memory is still 176.2MB. Free memory was 103.5MB in the beginning and 84.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 06:55:09,196 INFO L158 Benchmark]: TraceAbstraction took 1218.02ms. Allocated memory was 176.2MB in the beginning and 239.1MB in the end (delta: 62.9MB). Free memory was 83.9MB in the beginning and 145.4MB in the end (delta: -61.5MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2023-11-29 06:55:09,197 INFO L158 Benchmark]: Witness Printer took 130.52ms. Allocated memory is still 239.1MB. Free memory was 145.4MB in the beginning and 139.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 06:55:09,199 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 176.2MB. Free memory was 146.7MB in the beginning and 146.5MB in the end (delta: 186.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.52ms. Allocated memory is still 176.2MB. Free memory was 126.6MB in the beginning and 107.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.77ms. Allocated memory is still 176.2MB. Free memory was 107.7MB in the beginning and 105.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.35ms. Allocated memory is still 176.2MB. Free memory was 105.6MB in the beginning and 103.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 407.95ms. Allocated memory is still 176.2MB. Free memory was 103.5MB in the beginning and 84.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1218.02ms. Allocated memory was 176.2MB in the beginning and 239.1MB in the end (delta: 62.9MB). Free memory was 83.9MB in the beginning and 145.4MB in the end (delta: -61.5MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * Witness Printer took 130.52ms. Allocated memory is still 239.1MB. Free memory was 145.4MB in the beginning and 139.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] - GenericResultAtLocation [Line: 101]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [101] - GenericResultAtLocation [Line: 176]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [176] - GenericResultAtLocation [Line: 315]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [315] - GenericResultAtLocation [Line: 681]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [681] - GenericResultAtLocation [Line: 761]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [761] - GenericResultAtLocation [Line: 861]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [861] - GenericResultAtLocation [Line: 870]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [870] * 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: 866]: 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, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85 mSDsluCounter, 318 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 148 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 170 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 69 PreInvPairs, 79 NumberOfFragments, 39 HoareAnnotationTreeSize, 69 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 134 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 93 ConstructedInterpolants, 0 QuantifiedInterpolants, 149 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-29 06:55:09,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d35a7630-47d0-4631-9bb5-02b1fd8d3746/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE