./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 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_214ae0f3-3b87-4768-83e8-15a465386fee/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214ae0f3-3b87-4768-83e8-15a465386fee/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_214ae0f3-3b87-4768-83e8-15a465386fee/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214ae0f3-3b87-4768-83e8-15a465386fee/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214ae0f3-3b87-4768-83e8-15a465386fee/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_214ae0f3-3b87-4768-83e8-15a465386fee/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 4fdaba9a943be1a84417ec0186b85075ad2a6a54eeb9563391984670e62b2cee --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:08:02,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:08:02,173 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214ae0f3-3b87-4768-83e8-15a465386fee/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-12 02:08:02,179 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:08:02,180 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:08:02,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:08:02,219 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:08:02,220 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:08:02,221 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:08:02,222 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:08:02,222 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:08:02,223 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:08:02,223 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:08:02,224 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:08:02,225 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:08:02,225 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:08:02,226 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:08:02,226 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:08:02,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:08:02,228 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:08:02,228 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:08:02,229 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:08:02,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:08:02,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:08:02,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:08:02,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:08:02,232 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:08:02,232 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:08:02,233 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:08:02,233 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:08:02,234 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:08:02,234 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:08:02,235 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:08:02,235 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:08:02,236 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:08:02,237 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:08:02,258 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_214ae0f3-3b87-4768-83e8-15a465386fee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214ae0f3-3b87-4768-83e8-15a465386fee/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fdaba9a943be1a84417ec0186b85075ad2a6a54eeb9563391984670e62b2cee [2023-11-12 02:08:02,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:08:02,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:08:02,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:08:02,545 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:08:02,546 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:08:02,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214ae0f3-3b87-4768-83e8-15a465386fee/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c [2023-11-12 02:08:05,615 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:08:05,898 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:08:05,899 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214ae0f3-3b87-4768-83e8-15a465386fee/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c [2023-11-12 02:08:05,929 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214ae0f3-3b87-4768-83e8-15a465386fee/bin/uautomizer-verify-uTZkv6EMXl/data/bebc11423/9f2250a644d3469ab2a5b7836a6afcc8/FLAG5394b7262 [2023-11-12 02:08:05,944 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214ae0f3-3b87-4768-83e8-15a465386fee/bin/uautomizer-verify-uTZkv6EMXl/data/bebc11423/9f2250a644d3469ab2a5b7836a6afcc8 [2023-11-12 02:08:05,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:08:05,948 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:08:05,949 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:08:05,949 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:08:05,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:08:05,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:08:05" (1/1) ... [2023-11-12 02:08:05,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28ddb095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:05, skipping insertion in model container [2023-11-12 02:08:05,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:08:05" (1/1) ... [2023-11-12 02:08:06,011 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:08:06,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:08:06,319 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:08:06,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-12 02:08:06,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] [2023-11-12 02:08:06,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [162] [2023-11-12 02:08:06,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [528] [2023-11-12 02:08:06,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [599] [2023-11-12 02:08:06,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [779] [2023-11-12 02:08:06,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [814] [2023-11-12 02:08:06,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [895] [2023-11-12 02:08:06,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:08:06,445 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:08:06,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:06 WrapperNode [2023-11-12 02:08:06,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:08:06,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:08:06,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:08:06,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:08:06,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:06" (1/1) ... [2023-11-12 02:08:06,470 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:06" (1/1) ... [2023-11-12 02:08:06,505 INFO L138 Inliner]: procedures = 53, calls = 99, calls flagged for inlining = 52, calls inlined = 56, statements flattened = 352 [2023-11-12 02:08:06,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:08:06,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:08:06,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:08:06,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:08:06,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:06" (1/1) ... [2023-11-12 02:08:06,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:06" (1/1) ... [2023-11-12 02:08:06,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:06" (1/1) ... [2023-11-12 02:08:06,520 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:06" (1/1) ... [2023-11-12 02:08:06,528 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:06" (1/1) ... [2023-11-12 02:08:06,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:06" (1/1) ... [2023-11-12 02:08:06,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:06" (1/1) ... [2023-11-12 02:08:06,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:06" (1/1) ... [2023-11-12 02:08:06,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:08:06,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:08:06,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:08:06,542 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:08:06,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:06" (1/1) ... [2023-11-12 02:08:06,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:08:06,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214ae0f3-3b87-4768-83e8-15a465386fee/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:08:06,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214ae0f3-3b87-4768-83e8-15a465386fee/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:08:06,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214ae0f3-3b87-4768-83e8-15a465386fee/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:08:06,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:08:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:08:06,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:08:06,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:08:06,775 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:08:06,777 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:08:07,116 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:08:07,124 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:08:07,125 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:08:07,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:08:07 BoogieIcfgContainer [2023-11-12 02:08:07,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:08:07,128 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:08:07,129 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:08:07,151 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:08:07,151 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:08:07,152 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:08:05" (1/3) ... [2023-11-12 02:08:07,152 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7662926c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:08:07, skipping insertion in model container [2023-11-12 02:08:07,153 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:08:07,153 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:06" (2/3) ... [2023-11-12 02:08:07,177 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7662926c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:08:07, skipping insertion in model container [2023-11-12 02:08:07,178 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:08:07,178 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:08:07" (3/3) ... [2023-11-12 02:08:07,179 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product16.cil.c [2023-11-12 02:08:07,265 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:08:07,265 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:08:07,266 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:08:07,266 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:08:07,267 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:08:07,267 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:08:07,267 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:08:07,268 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:08:07,276 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 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 02:08:07,317 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2023-11-12 02:08:07,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:08:07,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:08:07,327 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:08:07,328 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 02:08:07,328 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:08:07,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 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 02:08:07,335 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2023-11-12 02:08:07,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:08:07,336 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:08:07,338 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:08:07,338 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 02:08:07,342 INFO L748 eck$LassoCheckResult]: Stem: 21#$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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 27#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 15#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 87#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 71#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 75#L149true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 61#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 13#L541-2true [2023-11-12 02:08:07,343 INFO L750 eck$LassoCheckResult]: Loop: 13#L541-2true assume !false; 8#L542true assume test_~splverifierCounter~0#1 < 4; 35#L543true havoc test_#t~nondet28#1;test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 22#L551true assume !(0 != test_~tmp~4#1); 110#L551-2true havoc test_#t~nondet29#1;test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 62#L561true assume !(0 != test_~tmp___0~0#1); 26#L561-2true havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 101#L571true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 39#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 31#L579-2true assume { :begin_inline_timeShift } true; 25#L614true assume !(0 != ~pumpRunning~0); 28#L614-2true assume !(0 != ~systemActive~0); 80#L621-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 58#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 100#L905true assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1; 89#L911-1true havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 51#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 13#L541-2true [2023-11-12 02:08:07,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:08:07,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-12 02:08:07,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:08:07,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400535991] [2023-11-12 02:08:07,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:07,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:08:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:08:07,459 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:08:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:08:07,498 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:08:07,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:08:07,502 INFO L85 PathProgramCache]: Analyzing trace with hash 134232915, now seen corresponding path program 1 times [2023-11-12 02:08:07,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:08:07,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315679175] [2023-11-12 02:08:07,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:07,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:08:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:08:07,608 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 02:08:07,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:08:07,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315679175] [2023-11-12 02:08:07,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315679175] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:08:07,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:08:07,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:08:07,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738241802] [2023-11-12 02:08:07,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:08:07,614 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:08:07,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:08:07,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:08:07,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:08:07,676 INFO L87 Difference]: Start difference. First operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 02:08:07,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:08:07,753 INFO L93 Difference]: Finished difference Result 199 states and 255 transitions. [2023-11-12 02:08:07,755 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 199 states and 255 transitions. [2023-11-12 02:08:07,761 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2023-11-12 02:08:07,767 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 199 states to 179 states and 234 transitions. [2023-11-12 02:08:07,769 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2023-11-12 02:08:07,770 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179 [2023-11-12 02:08:07,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 234 transitions. [2023-11-12 02:08:07,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:08:07,773 INFO L218 hiAutomatonCegarLoop]: Abstraction has 179 states and 234 transitions. [2023-11-12 02:08:07,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 234 transitions. [2023-11-12 02:08:07,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 176. [2023-11-12 02:08:07,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 176 states have (on average 1.3068181818181819) internal successors, (230), 175 states have internal predecessors, (230), 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 02:08:07,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 230 transitions. [2023-11-12 02:08:07,816 INFO L240 hiAutomatonCegarLoop]: Abstraction has 176 states and 230 transitions. [2023-11-12 02:08:07,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:08:07,829 INFO L428 stractBuchiCegarLoop]: Abstraction has 176 states and 230 transitions. [2023-11-12 02:08:07,830 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:08:07,831 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 176 states and 230 transitions. [2023-11-12 02:08:07,834 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 125 [2023-11-12 02:08:07,839 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:08:07,839 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:08:07,840 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:08:07,841 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] [2023-11-12 02:08:07,841 INFO L748 eck$LassoCheckResult]: Stem: 375#$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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 376#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 360#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 361#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 356#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 357#L149 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 321#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 322#L541-2 [2023-11-12 02:08:07,842 INFO L750 eck$LassoCheckResult]: Loop: 322#L541-2 assume !false; 333#L542 assume test_~splverifierCounter~0#1 < 4; 334#L543 havoc test_#t~nondet28#1;test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 492#L551 assume !(0 != test_~tmp~4#1); 490#L551-2 havoc test_#t~nondet29#1;test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 488#L561 assume !(0 != test_~tmp___0~0#1); 486#L561-2 havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 485#L571 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet31#1;test_~tmp___1~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 484#L579 assume !(0 != test_~tmp___1~0#1); 410#L579-2 assume { :begin_inline_timeShift } true; 482#L614 assume !(0 != ~pumpRunning~0); 479#L614-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 476#L646 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 475#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 472#L646-1 havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 471#L621-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 470#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 467#L905 assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1; 466#L911-1 havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 465#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 322#L541-2 [2023-11-12 02:08:07,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:08:07,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-12 02:08:07,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:08:07,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755942174] [2023-11-12 02:08:07,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:07,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:08:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:08:07,874 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:08:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:08:07,899 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:08:07,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:08:07,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1267798921, now seen corresponding path program 1 times [2023-11-12 02:08:07,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:08:07,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715344163] [2023-11-12 02:08:07,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:07,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:08:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:08:07,932 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:08:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:08:07,949 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:08:07,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:08:07,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1379170363, now seen corresponding path program 1 times [2023-11-12 02:08:07,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:08:07,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027164469] [2023-11-12 02:08:07,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:07,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:08:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:08:08,093 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 02:08:08,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:08:08,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027164469] [2023-11-12 02:08:08,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027164469] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:08:08,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:08:08,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:08:08,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902468166] [2023-11-12 02:08:08,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:08:08,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:08:08,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:08:08,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:08:08,272 INFO L87 Difference]: Start difference. First operand 176 states and 230 transitions. cyclomatic complexity: 57 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 02:08:08,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:08:08,470 INFO L93 Difference]: Finished difference Result 429 states and 560 transitions. [2023-11-12 02:08:08,471 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 429 states and 560 transitions. [2023-11-12 02:08:08,477 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 314 [2023-11-12 02:08:08,488 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 429 states to 429 states and 560 transitions. [2023-11-12 02:08:08,490 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 429 [2023-11-12 02:08:08,493 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 429 [2023-11-12 02:08:08,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 429 states and 560 transitions. [2023-11-12 02:08:08,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:08:08,501 INFO L218 hiAutomatonCegarLoop]: Abstraction has 429 states and 560 transitions. [2023-11-12 02:08:08,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states and 560 transitions. [2023-11-12 02:08:08,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 345. [2023-11-12 02:08:08,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 345 states have (on average 1.289855072463768) internal successors, (445), 344 states have internal predecessors, (445), 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 02:08:08,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 445 transitions. [2023-11-12 02:08:08,531 INFO L240 hiAutomatonCegarLoop]: Abstraction has 345 states and 445 transitions. [2023-11-12 02:08:08,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:08:08,533 INFO L428 stractBuchiCegarLoop]: Abstraction has 345 states and 445 transitions. [2023-11-12 02:08:08,533 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-12 02:08:08,533 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 345 states and 445 transitions. [2023-11-12 02:08:08,536 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 250 [2023-11-12 02:08:08,537 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:08:08,537 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:08:08,538 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:08:08,538 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 02:08:08,538 INFO L748 eck$LassoCheckResult]: Stem: 994#$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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 995#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 978#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 979#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 974#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 975#L149 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 939#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 940#L541-2 [2023-11-12 02:08:08,539 INFO L750 eck$LassoCheckResult]: Loop: 940#L541-2 assume !false; 949#L542 assume test_~splverifierCounter~0#1 < 4; 950#L543 havoc test_#t~nondet28#1;test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 996#L551 assume !(0 != test_~tmp~4#1); 998#L551-2 havoc test_#t~nondet29#1;test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 1045#L561 assume !(0 != test_~tmp___0~0#1); 1229#L561-2 havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 1244#L571 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1032#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1033#L579-2 assume { :begin_inline_timeShift } true; 1239#L614 assume !(0 != ~pumpRunning~0); 1015#L614-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 970#L646 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 972#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1221#L646-1 havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true; 1220#L621-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 1050#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 1030#L905 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 1031#getWaterLevel_returnLabel#1 __utac_acc__Specification3_spec__1_#t~ret50#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~1#1 := __utac_acc__Specification3_spec__1_#t~ret50#1;havoc __utac_acc__Specification3_spec__1_#t~ret50#1; 1036#L911 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1#1); 977#L911-1 havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1018#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 940#L541-2 [2023-11-12 02:08:08,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:08:08,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2023-11-12 02:08:08,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:08:08,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126758891] [2023-11-12 02:08:08,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:08,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:08:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:08:08,553 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:08:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:08:08,565 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:08:08,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:08:08,566 INFO L85 PathProgramCache]: Analyzing trace with hash 192021690, now seen corresponding path program 1 times [2023-11-12 02:08:08,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:08:08,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281902126] [2023-11-12 02:08:08,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:08,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:08:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:08:08,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:08:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:08:08,599 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:08:08,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:08:08,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1308864382, now seen corresponding path program 1 times [2023-11-12 02:08:08,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:08:08,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011094562] [2023-11-12 02:08:08,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:08,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:08:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:08:08,631 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:08:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:08:08,667 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:08:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:08:10,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:08:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:08:10,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:08:10 BoogieIcfgContainer [2023-11-12 02:08:10,079 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:08:10,080 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:08:10,080 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:08:10,080 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:08:10,081 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:08:07" (3/4) ... [2023-11-12 02:08:10,082 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-12 02:08:10,145 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214ae0f3-3b87-4768-83e8-15a465386fee/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:08:10,145 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:08:10,146 INFO L158 Benchmark]: Toolchain (without parser) took 4198.41ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 158.5MB in the beginning and 170.3MB in the end (delta: -11.8MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2023-11-12 02:08:10,147 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 130.0MB. Free memory was 103.4MB in the beginning and 103.3MB in the end (delta: 133.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:08:10,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.10ms. Allocated memory is still 188.7MB. Free memory was 158.3MB in the beginning and 142.7MB in the end (delta: 15.6MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2023-11-12 02:08:10,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.52ms. Allocated memory is still 188.7MB. Free memory was 142.7MB in the beginning and 140.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:08:10,149 INFO L158 Benchmark]: Boogie Preprocessor took 34.86ms. Allocated memory is still 188.7MB. Free memory was 140.3MB in the beginning and 138.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:08:10,149 INFO L158 Benchmark]: RCFGBuilder took 585.52ms. Allocated memory is still 188.7MB. Free memory was 138.6MB in the beginning and 120.4MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:08:10,150 INFO L158 Benchmark]: BuchiAutomizer took 2950.97ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 119.5MB in the beginning and 173.5MB in the end (delta: -53.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:08:10,150 INFO L158 Benchmark]: Witness Printer took 65.59ms. Allocated memory is still 226.5MB. Free memory was 172.4MB in the beginning and 170.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:08:10,153 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 130.0MB. Free memory was 103.4MB in the beginning and 103.3MB in the end (delta: 133.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.10ms. Allocated memory is still 188.7MB. Free memory was 158.3MB in the beginning and 142.7MB in the end (delta: 15.6MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.52ms. Allocated memory is still 188.7MB. Free memory was 142.7MB in the beginning and 140.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.86ms. Allocated memory is still 188.7MB. Free memory was 140.3MB in the beginning and 138.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 585.52ms. Allocated memory is still 188.7MB. Free memory was 138.6MB in the beginning and 120.4MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2950.97ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 119.5MB in the beginning and 173.5MB in the end (delta: -53.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 65.59ms. Allocated memory is still 226.5MB. Free memory was 172.4MB in the beginning and 170.3MB 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] - GenericResultAtLocation [Line: 162]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [162] - GenericResultAtLocation [Line: 528]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [528] - GenericResultAtLocation [Line: 599]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [599] - GenericResultAtLocation [Line: 779]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [779] - GenericResultAtLocation [Line: 814]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [814] - GenericResultAtLocation [Line: 895]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [895] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 345 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 87 StatesRemovedByMinimization, 2 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, 381 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 381 mSDsluCounter, 788 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 500 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 81 IncrementalHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 288 mSDtfsCounter, 81 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 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: 541]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L59] int cleanupTimeShifts = 4; [L332] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L606] int pumpRunning = 0; [L607] int systemActive = 1; [L816] int waterLevel = 1; [L817] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L140] int retValue_acc ; [L141] int tmp ; [L145] FCALL select_helpers() [L146] FCALL select_features() [L147] CALL, EXPR valid_product() [L806] int retValue_acc ; [L809] retValue_acc = 1 [L810] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L147] RET, EXPR valid_product() [L147] tmp = valid_product() [L149] COND TRUE \read(tmp) [L151] FCALL setup() [L152] CALL runTest() [L131] CALL test() [L532] int splverifierCounter ; [L533] int tmp ; [L534] int tmp___0 ; [L535] int tmp___1 ; [L536] int tmp___2 ; [L539] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L541] COND TRUE 1 [L543] COND TRUE splverifierCounter < 4 [L549] tmp = __VERIFIER_nondet_int() [L551] COND FALSE !(\read(tmp)) [L559] tmp___0 = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp___0)) [L569] tmp___2 = __VERIFIER_nondet_int() [L571] COND TRUE \read(tmp___2) [L573] CALL startSystem() [L775] systemActive = 1 [L573] RET startSystem() [L588] CALL timeShift() [L614] COND FALSE !(\read(pumpRunning)) [L621] COND TRUE \read(systemActive) [L623] CALL processEnvironment() [L643] int tmp ; [L646] COND FALSE !(\read(pumpRunning)) [L661] FCALL processEnvironment__wrappee__methaneQuery() [L623] RET processEnvironment() [L629] CALL __utac_acc__Specification3_spec__1() [L897] int tmp ; [L898] int tmp___0 ; [L899] int tmp___1 ; [L903] CALL, EXPR isMethaneLevelCritical() [L855] int retValue_acc ; [L858] retValue_acc = methaneLevelCritical [L859] return (retValue_acc); [L903] RET, EXPR isMethaneLevelCritical() [L903] tmp = isMethaneLevelCritical() [L905] COND FALSE !(\read(tmp)) [L909] CALL, EXPR getWaterLevel() [L887] int retValue_acc ; [L890] retValue_acc = waterLevel [L891] return (retValue_acc); [L909] RET, EXPR getWaterLevel() [L909] tmp___0 = getWaterLevel() [L911] COND FALSE !(tmp___0 == 2) [L629] RET __utac_acc__Specification3_spec__1() [L588] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 541]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L59] int cleanupTimeShifts = 4; [L332] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L606] int pumpRunning = 0; [L607] int systemActive = 1; [L816] int waterLevel = 1; [L817] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L140] int retValue_acc ; [L141] int tmp ; [L145] FCALL select_helpers() [L146] FCALL select_features() [L147] CALL, EXPR valid_product() [L806] int retValue_acc ; [L809] retValue_acc = 1 [L810] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L147] RET, EXPR valid_product() [L147] tmp = valid_product() [L149] COND TRUE \read(tmp) [L151] FCALL setup() [L152] CALL runTest() [L131] CALL test() [L532] int splverifierCounter ; [L533] int tmp ; [L534] int tmp___0 ; [L535] int tmp___1 ; [L536] int tmp___2 ; [L539] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L541] COND TRUE 1 [L543] COND TRUE splverifierCounter < 4 [L549] tmp = __VERIFIER_nondet_int() [L551] COND FALSE !(\read(tmp)) [L559] tmp___0 = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp___0)) [L569] tmp___2 = __VERIFIER_nondet_int() [L571] COND TRUE \read(tmp___2) [L573] CALL startSystem() [L775] systemActive = 1 [L573] RET startSystem() [L588] CALL timeShift() [L614] COND FALSE !(\read(pumpRunning)) [L621] COND TRUE \read(systemActive) [L623] CALL processEnvironment() [L643] int tmp ; [L646] COND FALSE !(\read(pumpRunning)) [L661] FCALL processEnvironment__wrappee__methaneQuery() [L623] RET processEnvironment() [L629] CALL __utac_acc__Specification3_spec__1() [L897] int tmp ; [L898] int tmp___0 ; [L899] int tmp___1 ; [L903] CALL, EXPR isMethaneLevelCritical() [L855] int retValue_acc ; [L858] retValue_acc = methaneLevelCritical [L859] return (retValue_acc); [L903] RET, EXPR isMethaneLevelCritical() [L903] tmp = isMethaneLevelCritical() [L905] COND FALSE !(\read(tmp)) [L909] CALL, EXPR getWaterLevel() [L887] int retValue_acc ; [L890] retValue_acc = waterLevel [L891] return (retValue_acc); [L909] RET, EXPR getWaterLevel() [L909] tmp___0 = getWaterLevel() [L911] COND FALSE !(tmp___0 == 2) [L629] RET __utac_acc__Specification3_spec__1() [L588] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-12 02:08:10,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_214ae0f3-3b87-4768-83e8-15a465386fee/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)