./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_a28d3a7e-cb66-40ea-ad6e-a48c61636ed5/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28d3a7e-cb66-40ea-ad6e-a48c61636ed5/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28d3a7e-cb66-40ea-ad6e-a48c61636ed5/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28d3a7e-cb66-40ea-ad6e-a48c61636ed5/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28d3a7e-cb66-40ea-ad6e-a48c61636ed5/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28d3a7e-cb66-40ea-ad6e-a48c61636ed5/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f8aef606697b9aeff574acbbe43b28a142b9105524bb5bbab5e1458056090146 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:33:30,897 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:33:31,022 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28d3a7e-cb66-40ea-ad6e-a48c61636ed5/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:33:31,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:33:31,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:33:31,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:33:31,069 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:33:31,070 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:33:31,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:33:31,076 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:33:31,076 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:33:31,077 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:33:31,077 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:33:31,079 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:33:31,080 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:33:31,080 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:33:31,081 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:33:31,081 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:33:31,082 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:33:31,082 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:33:31,083 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:33:31,083 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:33:31,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:33:31,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:33:31,086 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:33:31,086 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:33:31,087 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:33:31,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:33:31,087 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:33:31,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:33:31,089 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:33:31,090 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:33:31,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:33:31,090 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:33:31,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:33:31,091 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:33:31,091 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:33:31,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:31,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:33:31,092 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:33:31,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:33:31,093 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:33:31,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:33:31,093 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:33:31,094 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:33:31,094 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:33:31,094 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:33:31,094 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a28d3a7e-cb66-40ea-ad6e-a48c61636ed5/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28d3a7e-cb66-40ea-ad6e-a48c61636ed5/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8aef606697b9aeff574acbbe43b28a142b9105524bb5bbab5e1458056090146 [2023-11-23 20:33:31,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:33:31,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:33:31,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:33:31,511 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:33:31,512 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:33:31,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28d3a7e-cb66-40ea-ad6e-a48c61636ed5/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c [2023-11-23 20:33:34,623 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:33:34,888 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:33:34,888 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28d3a7e-cb66-40ea-ad6e-a48c61636ed5/sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c [2023-11-23 20:33:34,904 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28d3a7e-cb66-40ea-ad6e-a48c61636ed5/bin/utaipan-verify-mE87zJ7Ire/data/d16591fb5/f906bcbb35894845ab1c46517525e1f0/FLAG6fb6e2cbd [2023-11-23 20:33:34,926 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28d3a7e-cb66-40ea-ad6e-a48c61636ed5/bin/utaipan-verify-mE87zJ7Ire/data/d16591fb5/f906bcbb35894845ab1c46517525e1f0 [2023-11-23 20:33:34,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:33:34,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:33:34,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:34,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:33:34,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:33:34,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:34" (1/1) ... [2023-11-23 20:33:34,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@154df71d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:34, skipping insertion in model container [2023-11-23 20:33:34,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:34" (1/1) ... [2023-11-23 20:33:34,996 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:33:35,393 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28d3a7e-cb66-40ea-ad6e-a48c61636ed5/sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c[15994,16007] [2023-11-23 20:33:35,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:35,446 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:33:35,456 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-11-23 20:33:35,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2023-11-23 20:33:35,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [516] [2023-11-23 20:33:35,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [586] [2023-11-23 20:33:35,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [769] [2023-11-23 20:33:35,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [778] [2023-11-23 20:33:35,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [804] [2023-11-23 20:33:35,460 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [842] [2023-11-23 20:33:35,562 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28d3a7e-cb66-40ea-ad6e-a48c61636ed5/sv-benchmarks/c/product-lines/minepump_spec1_product42.cil.c[15994,16007] [2023-11-23 20:33:35,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:35,593 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:33:35,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:35 WrapperNode [2023-11-23 20:33:35,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:35,595 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:33:35,595 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:33:35,595 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:33:35,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:35" (1/1) ... [2023-11-23 20:33:35,618 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:35" (1/1) ... [2023-11-23 20:33:35,649 INFO L138 Inliner]: procedures = 54, calls = 96, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 184 [2023-11-23 20:33:35,650 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:33:35,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:33:35,651 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:33:35,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:33:35,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:35" (1/1) ... [2023-11-23 20:33:35,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:35" (1/1) ... [2023-11-23 20:33:35,664 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:35" (1/1) ... [2023-11-23 20:33:35,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:35" (1/1) ... [2023-11-23 20:33:35,670 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:35" (1/1) ... [2023-11-23 20:33:35,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:35" (1/1) ... [2023-11-23 20:33:35,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:35" (1/1) ... [2023-11-23 20:33:35,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:35" (1/1) ... [2023-11-23 20:33:35,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:33:35,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:33:35,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:33:35,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:33:35,682 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:35" (1/1) ... [2023-11-23 20:33:35,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:35,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28d3a7e-cb66-40ea-ad6e-a48c61636ed5/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:35,738 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28d3a7e-cb66-40ea-ad6e-a48c61636ed5/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:33:35,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28d3a7e-cb66-40ea-ad6e-a48c61636ed5/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:33:35,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:33:35,788 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-23 20:33:35,788 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-23 20:33:35,788 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-23 20:33:35,789 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-23 20:33:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-23 20:33:35,789 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-23 20:33:35,791 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-23 20:33:35,792 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-23 20:33:35,792 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-23 20:33:35,792 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-23 20:33:35,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:33:35,793 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-23 20:33:35,793 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-23 20:33:35,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:33:35,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:33:35,927 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:33:35,930 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:33:36,283 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:33:36,452 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:33:36,452 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:33:36,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:36 BoogieIcfgContainer [2023-11-23 20:33:36,455 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:33:36,458 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:33:36,458 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:33:36,462 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:33:36,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:33:34" (1/3) ... [2023-11-23 20:33:36,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c1bcaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:36, skipping insertion in model container [2023-11-23 20:33:36,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:35" (2/3) ... [2023-11-23 20:33:36,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c1bcaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:36, skipping insertion in model container [2023-11-23 20:33:36,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:36" (3/3) ... [2023-11-23 20:33:36,466 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product42.cil.c [2023-11-23 20:33:36,489 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:33:36,490 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:33:36,543 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:33:36,550 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3820e3ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:33:36,551 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:33:36,555 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 32 states have (on average 1.40625) internal successors, (45), 38 states have internal predecessors, (45), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-23 20:33:36,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:33:36,566 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:36,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:36,568 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:36,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:36,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1852071710, now seen corresponding path program 1 times [2023-11-23 20:33:36,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:36,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135077794] [2023-11-23 20:33:36,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:36,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:36,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:36,773 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:36,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135077794] [2023-11-23 20:33:36,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135077794] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:36,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:36,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:33:36,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865862671] [2023-11-23 20:33:36,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:36,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:33:36,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:36,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:33:36,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:33:36,819 INFO L87 Difference]: Start difference. First operand has 50 states, 32 states have (on average 1.40625) internal successors, (45), 38 states have internal predecessors, (45), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 20:33:36,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:36,902 INFO L93 Difference]: Finished difference Result 98 states and 131 transitions. [2023-11-23 20:33:36,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:33:36,905 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2023-11-23 20:33:36,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:36,942 INFO L225 Difference]: With dead ends: 98 [2023-11-23 20:33:36,943 INFO L226 Difference]: Without dead ends: 45 [2023-11-23 20:33:36,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:33:36,952 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:36,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 47 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:33:36,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-23 20:33:36,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-11-23 20:33:36,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 34 states have internal predecessors, (37), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-23 20:33:36,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2023-11-23 20:33:36,996 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 56 transitions. Word has length 16 [2023-11-23 20:33:36,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:36,999 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 56 transitions. [2023-11-23 20:33:37,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 20:33:37,000 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2023-11-23 20:33:37,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:33:37,005 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:37,005 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:37,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:33:37,006 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:37,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:37,007 INFO L85 PathProgramCache]: Analyzing trace with hash -402585192, now seen corresponding path program 1 times [2023-11-23 20:33:37,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:37,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018069689] [2023-11-23 20:33:37,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:37,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:37,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:37,204 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:37,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018069689] [2023-11-23 20:33:37,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018069689] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:37,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:37,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:33:37,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416934241] [2023-11-23 20:33:37,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:37,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:33:37,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:37,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:33:37,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:33:37,209 INFO L87 Difference]: Start difference. First operand 45 states and 56 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 20:33:37,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:37,246 INFO L93 Difference]: Finished difference Result 67 states and 83 transitions. [2023-11-23 20:33:37,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:33:37,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-11-23 20:33:37,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:37,249 INFO L225 Difference]: With dead ends: 67 [2023-11-23 20:33:37,249 INFO L226 Difference]: Without dead ends: 37 [2023-11-23 20:33:37,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:33:37,252 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 7 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:37,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 57 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:33:37,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-11-23 20:33:37,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2023-11-23 20:33:37,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 29 states have internal predecessors, (31), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-23 20:33:37,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 45 transitions. [2023-11-23 20:33:37,262 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 45 transitions. Word has length 17 [2023-11-23 20:33:37,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:37,263 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 45 transitions. [2023-11-23 20:33:37,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 20:33:37,263 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2023-11-23 20:33:37,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:33:37,265 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:37,265 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:37,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 20:33:37,265 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:37,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:37,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1879272271, now seen corresponding path program 1 times [2023-11-23 20:33:37,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:37,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486582075] [2023-11-23 20:33:37,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:37,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:37,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:37,540 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:37,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486582075] [2023-11-23 20:33:37,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486582075] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:37,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:37,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:33:37,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583111994] [2023-11-23 20:33:37,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:37,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:33:37,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:37,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:33:37,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:33:37,544 INFO L87 Difference]: Start difference. First operand 37 states and 45 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 20:33:37,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:37,637 INFO L93 Difference]: Finished difference Result 72 states and 89 transitions. [2023-11-23 20:33:37,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 20:33:37,638 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2023-11-23 20:33:37,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:37,639 INFO L225 Difference]: With dead ends: 72 [2023-11-23 20:33:37,639 INFO L226 Difference]: Without dead ends: 37 [2023-11-23 20:33:37,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:33:37,642 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 40 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:37,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 39 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:33:37,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-11-23 20:33:37,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2023-11-23 20:33:37,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 24 states have (on average 1.25) internal successors, (30), 29 states have internal predecessors, (30), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-23 20:33:37,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2023-11-23 20:33:37,655 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 19 [2023-11-23 20:33:37,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:37,655 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2023-11-23 20:33:37,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 20:33:37,655 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2023-11-23 20:33:37,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:33:37,657 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:37,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:37,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 20:33:37,657 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:37,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:37,658 INFO L85 PathProgramCache]: Analyzing trace with hash 516488550, now seen corresponding path program 1 times [2023-11-23 20:33:37,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:37,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486642272] [2023-11-23 20:33:37,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:37,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:37,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:37,805 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:37,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486642272] [2023-11-23 20:33:37,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486642272] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:37,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:37,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:33:37,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784468006] [2023-11-23 20:33:37,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:37,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:33:37,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:37,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:33:37,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:33:37,810 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 20:33:37,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:37,902 INFO L93 Difference]: Finished difference Result 102 states and 122 transitions. [2023-11-23 20:33:37,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:33:37,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2023-11-23 20:33:37,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:37,905 INFO L225 Difference]: With dead ends: 102 [2023-11-23 20:33:37,905 INFO L226 Difference]: Without dead ends: 67 [2023-11-23 20:33:37,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:33:37,911 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 30 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:37,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 64 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:33:37,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-23 20:33:37,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 65. [2023-11-23 20:33:37,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 49 states have internal predecessors, (53), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (13), 11 states have call predecessors, (13), 11 states have call successors, (13) [2023-11-23 20:33:37,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 77 transitions. [2023-11-23 20:33:37,934 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 77 transitions. Word has length 24 [2023-11-23 20:33:37,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:37,935 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 77 transitions. [2023-11-23 20:33:37,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 20:33:37,935 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 77 transitions. [2023-11-23 20:33:37,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:33:37,938 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:37,938 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:37,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 20:33:37,939 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:37,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:37,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1415653823, now seen corresponding path program 1 times [2023-11-23 20:33:37,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:37,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330533917] [2023-11-23 20:33:37,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:37,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:38,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:33:38,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:38,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330533917] [2023-11-23 20:33:38,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330533917] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:38,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:38,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 20:33:38,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034662822] [2023-11-23 20:33:38,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:38,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:33:38,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:38,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:33:38,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:33:38,061 INFO L87 Difference]: Start difference. First operand 65 states and 77 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 20:33:38,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:38,163 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2023-11-23 20:33:38,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 20:33:38,164 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2023-11-23 20:33:38,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:38,167 INFO L225 Difference]: With dead ends: 69 [2023-11-23 20:33:38,168 INFO L226 Difference]: Without dead ends: 67 [2023-11-23 20:33:38,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:33:38,176 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 21 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:38,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 94 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:33:38,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-23 20:33:38,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 65. [2023-11-23 20:33:38,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 49 states have internal predecessors, (52), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (13), 11 states have call predecessors, (13), 11 states have call successors, (13) [2023-11-23 20:33:38,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 76 transitions. [2023-11-23 20:33:38,191 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 76 transitions. Word has length 25 [2023-11-23 20:33:38,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:38,191 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 76 transitions. [2023-11-23 20:33:38,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 20:33:38,192 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 76 transitions. [2023-11-23 20:33:38,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:33:38,193 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:38,193 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:38,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 20:33:38,193 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:38,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:38,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1755812848, now seen corresponding path program 1 times [2023-11-23 20:33:38,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:38,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888722208] [2023-11-23 20:33:38,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:38,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:38,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:33:38,447 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:38,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888722208] [2023-11-23 20:33:38,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888722208] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:38,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:38,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 20:33:38,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717378227] [2023-11-23 20:33:38,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:38,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 20:33:38,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:38,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 20:33:38,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-23 20:33:38,457 INFO L87 Difference]: Start difference. First operand 65 states and 76 transitions. Second operand has 9 states, 8 states have (on average 2.5) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 20:33:38,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:38,697 INFO L93 Difference]: Finished difference Result 176 states and 215 transitions. [2023-11-23 20:33:38,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 20:33:38,698 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-11-23 20:33:38,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:38,701 INFO L225 Difference]: With dead ends: 176 [2023-11-23 20:33:38,701 INFO L226 Difference]: Without dead ends: 113 [2023-11-23 20:33:38,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2023-11-23 20:33:38,705 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 79 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:38,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 150 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 20:33:38,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-23 20:33:38,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 90. [2023-11-23 20:33:38,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 67 states have internal predecessors, (73), 15 states have call successors, (15), 14 states have call predecessors, (15), 14 states have return successors, (19), 15 states have call predecessors, (19), 15 states have call successors, (19) [2023-11-23 20:33:38,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 107 transitions. [2023-11-23 20:33:38,743 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 107 transitions. Word has length 26 [2023-11-23 20:33:38,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:38,743 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 107 transitions. [2023-11-23 20:33:38,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.5) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 20:33:38,744 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2023-11-23 20:33:38,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:33:38,754 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:38,755 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:38,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 20:33:38,759 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:38,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:38,759 INFO L85 PathProgramCache]: Analyzing trace with hash 31946147, now seen corresponding path program 1 times [2023-11-23 20:33:38,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:38,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421283960] [2023-11-23 20:33:38,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:38,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:39,195 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:33:39,196 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:33:39,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421283960] [2023-11-23 20:33:39,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421283960] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:39,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:39,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 20:33:39,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209443357] [2023-11-23 20:33:39,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:39,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 20:33:39,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:33:39,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 20:33:39,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-23 20:33:39,199 INFO L87 Difference]: Start difference. First operand 90 states and 107 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-23 20:33:39,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:39,422 INFO L93 Difference]: Finished difference Result 221 states and 264 transitions. [2023-11-23 20:33:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 20:33:39,423 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) Word has length 51 [2023-11-23 20:33:39,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:39,425 INFO L225 Difference]: With dead ends: 221 [2023-11-23 20:33:39,425 INFO L226 Difference]: Without dead ends: 133 [2023-11-23 20:33:39,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-23 20:33:39,427 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 71 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:39,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 101 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:33:39,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-11-23 20:33:39,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 128. [2023-11-23 20:33:39,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 86 states have (on average 1.197674418604651) internal successors, (103), 94 states have internal predecessors, (103), 20 states have call successors, (20), 20 states have call predecessors, (20), 21 states have return successors, (25), 20 states have call predecessors, (25), 20 states have call successors, (25) [2023-11-23 20:33:39,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 148 transitions. [2023-11-23 20:33:39,452 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 148 transitions. Word has length 51 [2023-11-23 20:33:39,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:39,452 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 148 transitions. [2023-11-23 20:33:39,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-23 20:33:39,453 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 148 transitions. [2023-11-23 20:33:39,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:33:39,454 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:39,454 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:39,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 20:33:39,454 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:39,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:39,455 INFO L85 PathProgramCache]: Analyzing trace with hash 445647897, now seen corresponding path program 1 times [2023-11-23 20:33:39,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:33:39,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469019916] [2023-11-23 20:33:39,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:39,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:33:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:33:39,479 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:33:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:33:39,533 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:33:39,534 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:33:39,535 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:33:39,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 20:33:39,539 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:39,543 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:33:39,595 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-11-23 20:33:39,597 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret38 could not be translated [2023-11-23 20:33:39,598 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret48 could not be translated [2023-11-23 20:33:39,599 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-11-23 20:33:39,599 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-11-23 20:33:39,600 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-11-23 20:33:39,600 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-11-23 20:33:39,601 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-11-23 20:33:39,601 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-11-23 20:33:39,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret48 could not be translated [2023-11-23 20:33:39,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:33:39 BoogieIcfgContainer [2023-11-23 20:33:39,620 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:33:39,620 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:33:39,620 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:33:39,620 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:33:39,621 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:36" (3/4) ... [2023-11-23 20:33:39,622 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:33:39,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-11-23 20:33:39,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret38 could not be translated [2023-11-23 20:33:39,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret48 could not be translated [2023-11-23 20:33:39,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-11-23 20:33:39,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-11-23 20:33:39,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-11-23 20:33:39,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-11-23 20:33:39,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-11-23 20:33:39,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated [2023-11-23 20:33:39,650 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret48 could not be translated [2023-11-23 20:33:39,731 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28d3a7e-cb66-40ea-ad6e-a48c61636ed5/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 20:33:39,734 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:33:39,735 INFO L158 Benchmark]: Toolchain (without parser) took 4804.13ms. Allocated memory is still 155.2MB. Free memory was 110.7MB in the beginning and 58.7MB in the end (delta: 52.1MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2023-11-23 20:33:39,735 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:33:39,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 661.94ms. Allocated memory is still 155.2MB. Free memory was 110.7MB in the beginning and 91.2MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:33:39,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.03ms. Allocated memory is still 155.2MB. Free memory was 91.2MB in the beginning and 89.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:33:39,736 INFO L158 Benchmark]: Boogie Preprocessor took 29.68ms. Allocated memory is still 155.2MB. Free memory was 89.1MB in the beginning and 87.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:33:39,737 INFO L158 Benchmark]: RCFGBuilder took 773.64ms. Allocated memory is still 155.2MB. Free memory was 87.7MB in the beginning and 62.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 20:33:39,737 INFO L158 Benchmark]: TraceAbstraction took 3162.01ms. Allocated memory is still 155.2MB. Free memory was 61.9MB in the beginning and 63.9MB in the end (delta: -2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:33:39,739 INFO L158 Benchmark]: Witness Printer took 113.99ms. Allocated memory is still 155.2MB. Free memory was 63.9MB in the beginning and 58.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:33:39,742 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 117.4MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 661.94ms. Allocated memory is still 155.2MB. Free memory was 110.7MB in the beginning and 91.2MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.03ms. Allocated memory is still 155.2MB. Free memory was 91.2MB in the beginning and 89.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.68ms. Allocated memory is still 155.2MB. Free memory was 89.1MB in the beginning and 87.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 773.64ms. Allocated memory is still 155.2MB. Free memory was 87.7MB in the beginning and 62.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3162.01ms. Allocated memory is still 155.2MB. Free memory was 61.9MB in the beginning and 63.9MB in the end (delta: -2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 113.99ms. Allocated memory is still 155.2MB. Free memory was 63.9MB in the beginning and 58.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] - GenericResultAtLocation [Line: 516]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [516] - GenericResultAtLocation [Line: 586]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [586] - GenericResultAtLocation [Line: 769]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [769] - GenericResultAtLocation [Line: 778]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [778] - GenericResultAtLocation [Line: 804]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [804] - GenericResultAtLocation [Line: 842]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [842] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret48 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret48 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 774]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L591] int pumpRunning = 0; [L592] int systemActive = 1; [L843] int cleanupTimeShifts = 4; [L916] int retValue_acc ; [L917] int tmp ; [L921] FCALL select_helpers() [L922] FCALL select_features() [L923] CALL, EXPR valid_product() [L834] int retValue_acc ; [L837] retValue_acc = 1 [L838] return (retValue_acc); [L923] RET, EXPR valid_product() [L923] tmp = valid_product() [L925] COND TRUE \read(tmp) [L927] FCALL setup() [L928] CALL runTest() [L910] CALL test() [L521] int splverifierCounter ; [L522] int tmp ; [L523] int tmp___0 ; [L524] int tmp___1 ; [L525] int tmp___2 ; [L528] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L530] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L532] COND TRUE splverifierCounter < 4 [L538] tmp = __VERIFIER_nondet_int() [L540] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L542] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L441] COND TRUE waterLevel < 2 [L442] waterLevel = waterLevel + 1 [L542] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L548] tmp___0 = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L558] tmp___2 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___2)) [L566] tmp___1 = __VERIFIER_nondet_int() [L568] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=16, tmp___2=0, waterLevel=2] [L575] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L599] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L606] COND TRUE \read(systemActive) [L608] CALL processEnvironment() [L628] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L631] COND TRUE ! pumpRunning [L633] CALL, EXPR isHighWaterLevel() [L743] int retValue_acc ; [L744] int tmp ; [L745] int tmp___0 ; [L749] CALL, EXPR isHighWaterSensorDry() [L503] int retValue_acc ; [L506] COND FALSE !(waterLevel < 2) [L510] retValue_acc = 0 [L511] return (retValue_acc); [L749] RET, EXPR isHighWaterSensorDry() [L749] tmp = isHighWaterSensorDry() [L751] COND FALSE !(\read(tmp)) [L754] tmp___0 = 1 [L756] retValue_acc = tmp___0 [L757] return (retValue_acc); [L633] RET, EXPR isHighWaterLevel() [L633] tmp = isHighWaterLevel() [L635] COND TRUE \read(tmp) [L637] CALL activatePump() [L662] int tmp ; [L666] CALL, EXPR isMethaneAlarm() [L687] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L691] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L691] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L691] retValue_acc = isMethaneLevelCritical() [L693] return (retValue_acc); [L666] RET, EXPR isMethaneAlarm() [L666] tmp = isMethaneAlarm() [L668] COND FALSE !(\read(tmp)) [L672] CALL activatePump__wrappee__highWaterSensor() [L656] pumpRunning = 1 [L672] RET activatePump__wrappee__highWaterSensor() [L637] RET activatePump() [L608] RET processEnvironment() [L614] CALL __utac_acc__Specification1_spec__1() [L780] int tmp ; [L781] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L785] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L785] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L785] tmp = isMethaneLevelCritical() [L787] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L614] RET __utac_acc__Specification1_spec__1() [L575] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=16, tmp___2=0, waterLevel=2] [L530] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=16, tmp___2=0, waterLevel=2] [L532] COND TRUE splverifierCounter < 4 [L538] tmp = __VERIFIER_nondet_int() [L540] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=16, tmp___2=0, waterLevel=2] [L548] tmp___0 = __VERIFIER_nondet_int() [L550] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=16, tmp___2=0, waterLevel=2] [L552] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L453] COND FALSE !(\read(methaneLevelCritical)) [L456] methaneLevelCritical = 1 [L552] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=16, tmp___2=0, waterLevel=2] [L558] tmp___2 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___2)) [L566] tmp___1 = __VERIFIER_nondet_int() [L568] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=16, tmp___2=0, waterLevel=2] [L575] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L599] COND TRUE \read(pumpRunning) [L601] CALL lowerWaterLevel() [L429] COND TRUE waterLevel > 0 [L430] waterLevel = waterLevel - 1 [L601] RET lowerWaterLevel() [L606] COND TRUE \read(systemActive) [L608] CALL processEnvironment() [L628] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L631] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L646] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L608] RET processEnvironment() [L614] CALL __utac_acc__Specification1_spec__1() [L780] int tmp ; [L781] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L785] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L785] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L785] tmp = isMethaneLevelCritical() [L787] COND TRUE \read(tmp) [L789] CALL, EXPR isPumpRunning() [L698] int retValue_acc ; [L701] retValue_acc = pumpRunning [L702] return (retValue_acc); [L789] RET, EXPR isPumpRunning() [L789] tmp___0 = isPumpRunning() [L791] COND TRUE \read(tmp___0) [L793] CALL __automaton_fail() [L774] reach_error() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 259 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 248 mSDsluCounter, 552 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 307 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 415 IncrementalHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 245 mSDtfsCounter, 415 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=7, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 32 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 171 ConstructedInterpolants, 0 QuantifiedInterpolants, 534 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 23/23 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:33:39,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a28d3a7e-cb66-40ea-ad6e-a48c61636ed5/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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