./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f0147-97dc-424b-ac04-68e623421bdc/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f0147-97dc-424b-ac04-68e623421bdc/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f0147-97dc-424b-ac04-68e623421bdc/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f0147-97dc-424b-ac04-68e623421bdc/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f0147-97dc-424b-ac04-68e623421bdc/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f0147-97dc-424b-ac04-68e623421bdc/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a50ab67253fae5e7df12ea55c13381683a6e4b8bfd8fa581a9bc2339e4a05ad --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:29:06,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:29:06,927 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f0147-97dc-424b-ac04-68e623421bdc/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-12 02:29:06,931 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:29:06,932 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:29:06,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:29:06,957 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:29:06,958 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:29:06,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:29:06,959 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:29:06,960 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:29:06,961 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:29:06,961 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:29:06,965 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:29:06,966 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:29:06,967 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:29:06,967 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:29:06,968 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:29:06,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:29:06,969 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:29:06,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:29:06,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:29:06,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:29:06,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:29:06,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:29:06,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:29:06,972 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:29:06,973 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:29:06,973 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:29:06,973 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:29:06,975 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:29:06,975 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:29:06,975 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:29:06,976 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:29:06,976 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:29:06,976 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:29:06,977 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_fa8f0147-97dc-424b-ac04-68e623421bdc/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f0147-97dc-424b-ac04-68e623421bdc/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a50ab67253fae5e7df12ea55c13381683a6e4b8bfd8fa581a9bc2339e4a05ad [2023-11-12 02:29:07,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:29:07,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:29:07,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:29:07,303 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:29:07,304 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:29:07,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f0147-97dc-424b-ac04-68e623421bdc/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2023-11-12 02:29:10,630 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:29:10,942 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:29:10,942 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f0147-97dc-424b-ac04-68e623421bdc/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2023-11-12 02:29:10,962 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f0147-97dc-424b-ac04-68e623421bdc/bin/uautomizer-verify-uTZkv6EMXl/data/1492c5d85/ea1779cbd2a64c2e87f96350ac094b30/FLAG9c1ca6443 [2023-11-12 02:29:10,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f0147-97dc-424b-ac04-68e623421bdc/bin/uautomizer-verify-uTZkv6EMXl/data/1492c5d85/ea1779cbd2a64c2e87f96350ac094b30 [2023-11-12 02:29:10,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:29:11,001 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:29:11,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:29:11,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:29:11,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:29:11,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:29:10" (1/1) ... [2023-11-12 02:29:11,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b16c6d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:11, skipping insertion in model container [2023-11-12 02:29:11,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:29:10" (1/1) ... [2023-11-12 02:29:11,107 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:29:11,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:29:11,508 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:29:11,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-12 02:29:11,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [87] [2023-11-12 02:29:11,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [116] [2023-11-12 02:29:11,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [217] [2023-11-12 02:29:11,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [583] [2023-11-12 02:29:11,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592] [2023-11-12 02:29:11,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [685] [2023-11-12 02:29:11,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [874] [2023-11-12 02:29:11,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:29:11,640 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:29:11,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:11 WrapperNode [2023-11-12 02:29:11,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:29:11,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:29:11,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:29:11,643 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:29:11,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:11" (1/1) ... [2023-11-12 02:29:11,668 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:11" (1/1) ... [2023-11-12 02:29:11,716 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 52, calls inlined = 81, statements flattened = 510 [2023-11-12 02:29:11,716 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:29:11,717 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:29:11,717 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:29:11,717 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:29:11,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:11" (1/1) ... [2023-11-12 02:29:11,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:11" (1/1) ... [2023-11-12 02:29:11,733 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:11" (1/1) ... [2023-11-12 02:29:11,733 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:11" (1/1) ... [2023-11-12 02:29:11,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:11" (1/1) ... [2023-11-12 02:29:11,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:11" (1/1) ... [2023-11-12 02:29:11,754 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:11" (1/1) ... [2023-11-12 02:29:11,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:11" (1/1) ... [2023-11-12 02:29:11,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:29:11,763 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:29:11,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:29:11,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:29:11,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:11" (1/1) ... [2023-11-12 02:29:11,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:11,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f0147-97dc-424b-ac04-68e623421bdc/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:11,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f0147-97dc-424b-ac04-68e623421bdc/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:11,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f0147-97dc-424b-ac04-68e623421bdc/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:29:11,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:29:11,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:29:11,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:29:11,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:29:12,105 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:29:12,107 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:29:12,516 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:29:12,525 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:29:12,525 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:29:12,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:29:12 BoogieIcfgContainer [2023-11-12 02:29:12,528 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:29:12,529 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:29:12,529 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:29:12,533 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:29:12,534 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:29:12,534 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:29:10" (1/3) ... [2023-11-12 02:29:12,535 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4cc700f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:29:12, skipping insertion in model container [2023-11-12 02:29:12,536 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:29:12,536 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:11" (2/3) ... [2023-11-12 02:29:12,536 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4cc700f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:29:12, skipping insertion in model container [2023-11-12 02:29:12,536 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:29:12,537 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:29:12" (3/3) ... [2023-11-12 02:29:12,538 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product22.cil.c [2023-11-12 02:29:12,606 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:29:12,606 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:29:12,607 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:29:12,607 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:29:12,607 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:29:12,607 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:29:12,607 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:29:12,608 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:29:12,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 154 states, 153 states have (on average 1.3398692810457515) internal successors, (205), 153 states have internal predecessors, (205), 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) [2023-11-12 02:29:12,644 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2023-11-12 02:29:12,644 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:29:12,644 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:29:12,652 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:29:12,652 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:29:12,652 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:29:12,654 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 154 states, 153 states have (on average 1.3398692810457515) internal successors, (205), 153 states have internal predecessors, (205), 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) [2023-11-12 02:29:12,664 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2023-11-12 02:29:12,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:29:12,664 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:29:12,665 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:29:12,665 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:29:12,672 INFO L748 eck$LassoCheckResult]: Stem: 32#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 37#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 28#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 125#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 108#valid_product_returnLabel#1true main_#t~ret7#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 127#L204true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 87#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 51#L885-2true [2023-11-12 02:29:12,673 INFO L750 eck$LassoCheckResult]: Loop: 51#L885-2true assume !false; 153#L886true assume test_~splverifierCounter~0#1 < 4; 144#L887true havoc test_#t~nondet48#1;test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 99#L895true assume !(0 != test_~tmp~8#1); 62#L895-2true havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 141#L905true assume !(0 != test_~tmp___0~2#1); 39#L905-2true havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 111#L915true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet51#1;test_~tmp___1~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 124#L923true assume 0 != test_~tmp___1~0#1; 81#L923-2true assume { :begin_inline_timeShift } true; 46#L696true assume !(0 != ~pumpRunning~0); 24#L696-2true assume !(0 != ~systemActive~0); 49#L703-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_#t~ret6#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 84#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification1_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret5#1;havoc __utac_acc__Specification1_spec__1_#t~ret5#1; 128#L99true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 47#L99-1true havoc __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_#t~ret6#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 73#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 51#L885-2true [2023-11-12 02:29:12,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:12,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-12 02:29:12,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:12,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909333500] [2023-11-12 02:29:12,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:12,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:12,822 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:12,870 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:12,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:12,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1422595652, now seen corresponding path program 1 times [2023-11-12 02:29:12,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:12,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143802978] [2023-11-12 02:29:12,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:12,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:12,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:12,926 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:12,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:12,934 INFO L85 PathProgramCache]: Analyzing trace with hash 490914048, now seen corresponding path program 1 times [2023-11-12 02:29:12,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:12,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868488749] [2023-11-12 02:29:12,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:12,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:13,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:29:13,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:29:13,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868488749] [2023-11-12 02:29:13,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868488749] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:29:13,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:29:13,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:29:13,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152729498] [2023-11-12 02:29:13,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:29:13,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:29:13,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:29:13,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:29:13,553 INFO L87 Difference]: Start difference. First operand has 154 states, 153 states have (on average 1.3398692810457515) internal successors, (205), 153 states have internal predecessors, (205), 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) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2023-11-12 02:29:13,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:29:13,703 INFO L93 Difference]: Finished difference Result 148 states and 188 transitions. [2023-11-12 02:29:13,704 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 188 transitions. [2023-11-12 02:29:13,710 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 93 [2023-11-12 02:29:13,716 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 138 states and 178 transitions. [2023-11-12 02:29:13,717 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 138 [2023-11-12 02:29:13,718 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 138 [2023-11-12 02:29:13,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 138 states and 178 transitions. [2023-11-12 02:29:13,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:29:13,721 INFO L218 hiAutomatonCegarLoop]: Abstraction has 138 states and 178 transitions. [2023-11-12 02:29:13,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states and 178 transitions. [2023-11-12 02:29:13,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2023-11-12 02:29:13,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.289855072463768) internal successors, (178), 137 states have internal predecessors, (178), 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) [2023-11-12 02:29:13,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 178 transitions. [2023-11-12 02:29:13,767 INFO L240 hiAutomatonCegarLoop]: Abstraction has 138 states and 178 transitions. [2023-11-12 02:29:13,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:29:13,773 INFO L428 stractBuchiCegarLoop]: Abstraction has 138 states and 178 transitions. [2023-11-12 02:29:13,773 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:29:13,773 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 178 transitions. [2023-11-12 02:29:13,777 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 93 [2023-11-12 02:29:13,777 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:29:13,777 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:29:13,778 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:29:13,779 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:29:13,779 INFO L748 eck$LassoCheckResult]: Stem: 371#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 372#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 364#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 365#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 441#valid_product_returnLabel#1 main_#t~ret7#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 442#L204 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 430#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 400#L885-2 [2023-11-12 02:29:13,780 INFO L750 eck$LassoCheckResult]: Loop: 400#L885-2 assume !false; 401#L886 assume test_~splverifierCounter~0#1 < 4; 456#L887 havoc test_#t~nondet48#1;test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 435#L895 assume !(0 != test_~tmp~8#1); 345#L895-2 havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 410#L905 assume !(0 != test_~tmp___0~2#1); 382#L905-2 havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 383#L915 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 408#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 409#L923-2 assume { :begin_inline_timeShift } true; 391#L696 assume !(0 != ~pumpRunning~0); 321#L696-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 326#L754 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret36#1, processEnvironment__wrappee__lowWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5#1; 327#L728-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 322#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 323#L728-3 havoc processEnvironment__wrappee__lowWaterSensor_#t~ret36#1, processEnvironment__wrappee__lowWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 349#L754-1 havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 350#L703-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_#t~ret6#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 395#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification1_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret5#1;havoc __utac_acc__Specification1_spec__1_#t~ret5#1; 428#L99 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 389#L99-1 havoc __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_#t~ret6#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 390#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 400#L885-2 [2023-11-12 02:29:13,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:13,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-12 02:29:13,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:13,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963960904] [2023-11-12 02:29:13,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:13,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:13,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:13,810 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:13,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:13,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1056589915, now seen corresponding path program 1 times [2023-11-12 02:29:13,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:13,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36116433] [2023-11-12 02:29:13,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:13,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:13,822 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:13,870 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:13,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:13,871 INFO L85 PathProgramCache]: Analyzing trace with hash 60252777, now seen corresponding path program 1 times [2023-11-12 02:29:13,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:13,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773102166] [2023-11-12 02:29:13,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:13,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:13,890 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:13,909 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:15,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:15,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:29:15 BoogieIcfgContainer [2023-11-12 02:29:15,328 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:29:15,329 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:29:15,330 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:29:15,330 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:29:15,332 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:29:12" (3/4) ... [2023-11-12 02:29:15,335 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-12 02:29:15,409 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f0147-97dc-424b-ac04-68e623421bdc/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:29:15,416 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:29:15,417 INFO L158 Benchmark]: Toolchain (without parser) took 4415.46ms. Allocated memory was 148.9MB in the beginning and 201.3MB in the end (delta: 52.4MB). Free memory was 105.6MB in the beginning and 113.2MB in the end (delta: -7.7MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2023-11-12 02:29:15,417 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:29:15,417 INFO L158 Benchmark]: CACSL2BoogieTranslator took 638.14ms. Allocated memory is still 148.9MB. Free memory was 105.2MB in the beginning and 86.5MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:29:15,418 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.26ms. Allocated memory is still 148.9MB. Free memory was 86.5MB in the beginning and 83.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:29:15,418 INFO L158 Benchmark]: Boogie Preprocessor took 44.77ms. Allocated memory is still 148.9MB. Free memory was 83.4MB in the beginning and 81.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:29:15,418 INFO L158 Benchmark]: RCFGBuilder took 765.39ms. Allocated memory is still 148.9MB. Free memory was 81.3MB in the beginning and 99.7MB in the end (delta: -18.5MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2023-11-12 02:29:15,419 INFO L158 Benchmark]: BuchiAutomizer took 2799.38ms. Allocated memory was 148.9MB in the beginning and 201.3MB in the end (delta: 52.4MB). Free memory was 99.7MB in the beginning and 115.3MB in the end (delta: -15.6MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2023-11-12 02:29:15,419 INFO L158 Benchmark]: Witness Printer took 86.72ms. Allocated memory is still 201.3MB. Free memory was 115.3MB in the beginning and 113.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:29:15,421 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 638.14ms. Allocated memory is still 148.9MB. Free memory was 105.2MB in the beginning and 86.5MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.26ms. Allocated memory is still 148.9MB. Free memory was 86.5MB in the beginning and 83.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.77ms. Allocated memory is still 148.9MB. Free memory was 83.4MB in the beginning and 81.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 765.39ms. Allocated memory is still 148.9MB. Free memory was 81.3MB in the beginning and 99.7MB in the end (delta: -18.5MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2799.38ms. Allocated memory was 148.9MB in the beginning and 201.3MB in the end (delta: 52.4MB). Free memory was 99.7MB in the beginning and 115.3MB in the end (delta: -15.6MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * Witness Printer took 86.72ms. Allocated memory is still 201.3MB. Free memory was 115.3MB in the beginning and 113.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [87] - GenericResultAtLocation [Line: 116]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [116] - GenericResultAtLocation [Line: 217]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [217] - GenericResultAtLocation [Line: 583]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [583] - GenericResultAtLocation [Line: 592]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592] - GenericResultAtLocation [Line: 685]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [685] - GenericResultAtLocation [Line: 874]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [874] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 138 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 549 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 549 mSDsluCounter, 188 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 183 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 885]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L117] int cleanupTimeShifts = 4; [L387] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L597] int waterLevel = 1; [L598] int methaneLevelCritical = 0; [L689] int pumpRunning = 0; [L690] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L195] int retValue_acc ; [L196] int tmp ; [L200] FCALL select_helpers() [L201] FCALL select_features() [L202] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L202] RET, EXPR valid_product() [L202] tmp = valid_product() [L204] COND TRUE \read(tmp) [L206] FCALL setup() [L207] CALL runTest() [L189] CALL test() [L876] int splverifierCounter ; [L877] int tmp ; [L878] int tmp___0 ; [L879] int tmp___1 ; [L880] int tmp___2 ; [L883] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L885] COND TRUE 1 [L887] COND TRUE splverifierCounter < 4 [L893] tmp = __VERIFIER_nondet_int() [L895] COND FALSE !(\read(tmp)) [L903] tmp___0 = __VERIFIER_nondet_int() [L905] COND FALSE !(\read(tmp___0)) [L913] tmp___2 = __VERIFIER_nondet_int() [L915] COND TRUE \read(tmp___2) [L917] CALL startSystem() [L870] systemActive = 1 [L917] RET startSystem() [L930] CALL timeShift() [L696] COND FALSE !(\read(pumpRunning)) [L703] COND TRUE \read(systemActive) [L705] CALL processEnvironment() [L751] int tmp ; [L754] COND FALSE !(\read(pumpRunning)) [L769] CALL processEnvironment__wrappee__lowWaterSensor() [L725] int tmp ; [L728] COND FALSE !(\read(pumpRunning)) [L743] FCALL processEnvironment__wrappee__base() [L769] RET processEnvironment__wrappee__lowWaterSensor() [L705] RET processEnvironment() [L711] CALL __utac_acc__Specification1_spec__1() [L92] int tmp ; [L93] int tmp___0 ; [L97] CALL, EXPR isMethaneLevelCritical() [L636] int retValue_acc ; [L639] retValue_acc = methaneLevelCritical [L640] return (retValue_acc); [L97] RET, EXPR isMethaneLevelCritical() [L97] tmp = isMethaneLevelCritical() [L99] COND FALSE !(\read(tmp)) [L711] RET __utac_acc__Specification1_spec__1() [L930] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 885]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L117] int cleanupTimeShifts = 4; [L387] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L597] int waterLevel = 1; [L598] int methaneLevelCritical = 0; [L689] int pumpRunning = 0; [L690] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L195] int retValue_acc ; [L196] int tmp ; [L200] FCALL select_helpers() [L201] FCALL select_features() [L202] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L202] RET, EXPR valid_product() [L202] tmp = valid_product() [L204] COND TRUE \read(tmp) [L206] FCALL setup() [L207] CALL runTest() [L189] CALL test() [L876] int splverifierCounter ; [L877] int tmp ; [L878] int tmp___0 ; [L879] int tmp___1 ; [L880] int tmp___2 ; [L883] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L885] COND TRUE 1 [L887] COND TRUE splverifierCounter < 4 [L893] tmp = __VERIFIER_nondet_int() [L895] COND FALSE !(\read(tmp)) [L903] tmp___0 = __VERIFIER_nondet_int() [L905] COND FALSE !(\read(tmp___0)) [L913] tmp___2 = __VERIFIER_nondet_int() [L915] COND TRUE \read(tmp___2) [L917] CALL startSystem() [L870] systemActive = 1 [L917] RET startSystem() [L930] CALL timeShift() [L696] COND FALSE !(\read(pumpRunning)) [L703] COND TRUE \read(systemActive) [L705] CALL processEnvironment() [L751] int tmp ; [L754] COND FALSE !(\read(pumpRunning)) [L769] CALL processEnvironment__wrappee__lowWaterSensor() [L725] int tmp ; [L728] COND FALSE !(\read(pumpRunning)) [L743] FCALL processEnvironment__wrappee__base() [L769] RET processEnvironment__wrappee__lowWaterSensor() [L705] RET processEnvironment() [L711] CALL __utac_acc__Specification1_spec__1() [L92] int tmp ; [L93] int tmp___0 ; [L97] CALL, EXPR isMethaneLevelCritical() [L636] int retValue_acc ; [L639] retValue_acc = methaneLevelCritical [L640] return (retValue_acc); [L97] RET, EXPR isMethaneLevelCritical() [L97] tmp = isMethaneLevelCritical() [L99] COND FALSE !(\read(tmp)) [L711] RET __utac_acc__Specification1_spec__1() [L930] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-12 02:29:15,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa8f0147-97dc-424b-ac04-68e623421bdc/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)