./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc7476-2623-4548-9963-b8b84ff133b4/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc7476-2623-4548-9963-b8b84ff133b4/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc7476-2623-4548-9963-b8b84ff133b4/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc7476-2623-4548-9963-b8b84ff133b4/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc7476-2623-4548-9963-b8b84ff133b4/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc7476-2623-4548-9963-b8b84ff133b4/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a5d8d581f80f5cde7366deb7b852c58bb4870d5154bc31eab8a2e0d970b8f8d6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:25:33,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:25:34,085 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc7476-2623-4548-9963-b8b84ff133b4/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:25:34,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:25:34,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:25:34,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:25:34,145 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:25:34,145 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:25:34,146 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:25:34,152 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:25:34,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:25:34,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:25:34,155 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:25:34,157 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:25:34,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:25:34,158 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:25:34,159 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:25:34,159 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:25:34,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:25:34,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:25:34,161 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:25:34,162 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:25:34,162 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:25:34,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:25:34,163 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:25:34,172 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:25:34,172 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:25:34,173 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:25:34,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:25:34,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:25:34,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:25:34,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:25:34,176 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:25:34,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:25:34,177 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:25:34,177 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:25:34,177 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:25:34,178 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:25:34,178 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:25:34,178 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc7476-2623-4548-9963-b8b84ff133b4/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc7476-2623-4548-9963-b8b84ff133b4/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5d8d581f80f5cde7366deb7b852c58bb4870d5154bc31eab8a2e0d970b8f8d6 [2023-11-12 02:25:34,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:25:34,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:25:34,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:25:34,561 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:25:34,561 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:25:34,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc7476-2623-4548-9963-b8b84ff133b4/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c [2023-11-12 02:25:37,794 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:25:38,042 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:25:38,043 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc7476-2623-4548-9963-b8b84ff133b4/sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c [2023-11-12 02:25:38,062 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc7476-2623-4548-9963-b8b84ff133b4/bin/uautomizer-verify-uTZkv6EMXl/data/b3f8b5f22/47f29a0c5ae548f59960d519d66e7bea/FLAG4a82d494d [2023-11-12 02:25:38,077 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc7476-2623-4548-9963-b8b84ff133b4/bin/uautomizer-verify-uTZkv6EMXl/data/b3f8b5f22/47f29a0c5ae548f59960d519d66e7bea [2023-11-12 02:25:38,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:25:38,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:25:38,083 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:25:38,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:25:38,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:25:38,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:25:38" (1/1) ... [2023-11-12 02:25:38,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57822c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:38, skipping insertion in model container [2023-11-12 02:25:38,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:25:38" (1/1) ... [2023-11-12 02:25:38,156 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:25:38,561 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_fefc7476-2623-4548-9963-b8b84ff133b4/sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c[13760,13773] [2023-11-12 02:25:38,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:25:38,628 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:25:38,640 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-12 02:25:38,642 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] [2023-11-12 02:25:38,642 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [453] [2023-11-12 02:25:38,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [505] [2023-11-12 02:25:38,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [590] [2023-11-12 02:25:38,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [599] [2023-11-12 02:25:38,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [699] [2023-11-12 02:25:38,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [854] [2023-11-12 02:25:38,730 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_fefc7476-2623-4548-9963-b8b84ff133b4/sv-benchmarks/c/product-lines/minepump_spec5_product13.cil.c[13760,13773] [2023-11-12 02:25:38,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:25:38,775 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:25:38,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:38 WrapperNode [2023-11-12 02:25:38,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:25:38,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:25:38,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:25:38,780 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:25:38,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:38" (1/1) ... [2023-11-12 02:25:38,820 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:38" (1/1) ... [2023-11-12 02:25:38,847 INFO L138 Inliner]: procedures = 53, calls = 97, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 165 [2023-11-12 02:25:38,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:25:38,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:25:38,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:25:38,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:25:38,863 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:38" (1/1) ... [2023-11-12 02:25:38,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:38" (1/1) ... [2023-11-12 02:25:38,865 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:38" (1/1) ... [2023-11-12 02:25:38,866 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:38" (1/1) ... [2023-11-12 02:25:38,872 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:38" (1/1) ... [2023-11-12 02:25:38,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:38" (1/1) ... [2023-11-12 02:25:38,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:38" (1/1) ... [2023-11-12 02:25:38,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:38" (1/1) ... [2023-11-12 02:25:38,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:25:38,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:25:38,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:25:38,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:25:38,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:38" (1/1) ... [2023-11-12 02:25:38,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:25:38,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc7476-2623-4548-9963-b8b84ff133b4/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:25:38,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc7476-2623-4548-9963-b8b84ff133b4/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:25:38,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc7476-2623-4548-9963-b8b84ff133b4/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:25:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:25:38,980 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-12 02:25:38,980 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-12 02:25:38,980 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-12 02:25:38,982 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-12 02:25:38,983 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-12 02:25:38,983 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-12 02:25:38,983 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-12 02:25:38,984 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-12 02:25:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-12 02:25:38,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-12 02:25:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-12 02:25:38,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-12 02:25:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:25:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-12 02:25:38,985 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-12 02:25:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:25:38,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:25:39,077 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:25:39,079 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:25:39,378 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:25:39,386 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:25:39,386 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:25:39,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:25:39 BoogieIcfgContainer [2023-11-12 02:25:39,389 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:25:39,392 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:25:39,392 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:25:39,404 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:25:39,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:25:38" (1/3) ... [2023-11-12 02:25:39,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b0a0427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:25:39, skipping insertion in model container [2023-11-12 02:25:39,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:25:38" (2/3) ... [2023-11-12 02:25:39,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b0a0427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:25:39, skipping insertion in model container [2023-11-12 02:25:39,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:25:39" (3/3) ... [2023-11-12 02:25:39,407 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product13.cil.c [2023-11-12 02:25:39,432 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:25:39,433 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:25:39,480 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:25:39,488 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3cb4d24e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:25:39,489 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:25:39,493 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 61 states have (on average 1.360655737704918) internal successors, (83), 67 states have internal predecessors, (83), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-12 02:25:39,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-12 02:25:39,504 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:25:39,505 INFO L195 NwaCegarLoop]: trace histogram [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, 1] [2023-11-12 02:25:39,505 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:25:39,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:39,536 INFO L85 PathProgramCache]: Analyzing trace with hash 211124761, now seen corresponding path program 1 times [2023-11-12 02:25:39,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:39,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535837945] [2023-11-12 02:25:39,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:39,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:39,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:25:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:39,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-12 02:25:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:39,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 02:25:39,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:39,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535837945] [2023-11-12 02:25:39,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535837945] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:39,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:39,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:25:39,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616474418] [2023-11-12 02:25:39,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:39,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:25:39,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:40,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:25:40,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:25:40,049 INFO L87 Difference]: Start difference. First operand has 81 states, 61 states have (on average 1.360655737704918) internal successors, (83), 67 states have internal predecessors, (83), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-12 02:25:40,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:25:40,115 INFO L93 Difference]: Finished difference Result 153 states and 204 transitions. [2023-11-12 02:25:40,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:25:40,118 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2023-11-12 02:25:40,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:25:40,129 INFO L225 Difference]: With dead ends: 153 [2023-11-12 02:25:40,129 INFO L226 Difference]: Without dead ends: 72 [2023-11-12 02:25:40,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:25:40,137 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:25:40,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:25:40,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-12 02:25:40,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-12 02:25:40,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 54 states have (on average 1.2777777777777777) internal successors, (69), 59 states have internal predecessors, (69), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-12 02:25:40,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 90 transitions. [2023-11-12 02:25:40,195 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 90 transitions. Word has length 32 [2023-11-12 02:25:40,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:25:40,196 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 90 transitions. [2023-11-12 02:25:40,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-12 02:25:40,196 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 90 transitions. [2023-11-12 02:25:40,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-12 02:25:40,200 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:25:40,200 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1] [2023-11-12 02:25:40,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:25:40,201 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:25:40,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:40,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1117073150, now seen corresponding path program 1 times [2023-11-12 02:25:40,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:40,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899997171] [2023-11-12 02:25:40,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:40,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:40,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:25:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:40,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-12 02:25:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:40,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 02:25:40,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:40,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899997171] [2023-11-12 02:25:40,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899997171] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:40,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:40,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:25:40,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835088415] [2023-11-12 02:25:40,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:40,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:25:40,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:40,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:25:40,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:25:40,376 INFO L87 Difference]: Start difference. First operand 72 states and 90 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-12 02:25:40,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:25:40,409 INFO L93 Difference]: Finished difference Result 109 states and 135 transitions. [2023-11-12 02:25:40,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:25:40,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2023-11-12 02:25:40,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:25:40,412 INFO L225 Difference]: With dead ends: 109 [2023-11-12 02:25:40,413 INFO L226 Difference]: Without dead ends: 63 [2023-11-12 02:25:40,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:25:40,416 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 12 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:25:40,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 138 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:25:40,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-12 02:25:40,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-12 02:25:40,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 53 states have internal predecessors, (62), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-12 02:25:40,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 78 transitions. [2023-11-12 02:25:40,431 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 78 transitions. Word has length 33 [2023-11-12 02:25:40,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:25:40,431 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 78 transitions. [2023-11-12 02:25:40,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-12 02:25:40,432 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2023-11-12 02:25:40,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-12 02:25:40,434 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:25:40,434 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2023-11-12 02:25:40,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:25:40,435 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:25:40,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:40,435 INFO L85 PathProgramCache]: Analyzing trace with hash -509279723, now seen corresponding path program 1 times [2023-11-12 02:25:40,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:40,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307681328] [2023-11-12 02:25:40,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:40,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:40,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:25:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:40,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-12 02:25:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:40,723 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 02:25:40,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:40,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307681328] [2023-11-12 02:25:40,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307681328] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:40,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:40,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:25:40,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192700148] [2023-11-12 02:25:40,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:40,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:25:40,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:40,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:25:40,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:25:40,735 INFO L87 Difference]: Start difference. First operand 63 states and 78 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2023-11-12 02:25:40,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:25:40,892 INFO L93 Difference]: Finished difference Result 118 states and 149 transitions. [2023-11-12 02:25:40,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:25:40,894 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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 37 [2023-11-12 02:25:40,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:25:40,895 INFO L225 Difference]: With dead ends: 118 [2023-11-12 02:25:40,897 INFO L226 Difference]: Without dead ends: 63 [2023-11-12 02:25:40,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:25:40,900 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 104 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:25:40,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 153 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:25:40,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-12 02:25:40,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-12 02:25:40,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 48 states have (on average 1.2708333333333333) internal successors, (61), 53 states have internal predecessors, (61), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-12 02:25:40,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 77 transitions. [2023-11-12 02:25:40,921 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 77 transitions. Word has length 37 [2023-11-12 02:25:40,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:25:40,923 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 77 transitions. [2023-11-12 02:25:40,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2023-11-12 02:25:40,923 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2023-11-12 02:25:40,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-12 02:25:40,928 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:25:40,928 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:25:40,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:25:40,930 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:25:40,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:25:40,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1014339948, now seen corresponding path program 1 times [2023-11-12 02:25:40,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:25:40,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804076612] [2023-11-12 02:25:40,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:25:40,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:25:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:41,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-12 02:25:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:41,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-12 02:25:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:41,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-12 02:25:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:25:41,131 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:25:41,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:25:41,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804076612] [2023-11-12 02:25:41,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804076612] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:25:41,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:25:41,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:25:41,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311528704] [2023-11-12 02:25:41,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:25:41,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:25:41,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:25:41,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:25:41,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:25:41,135 INFO L87 Difference]: Start difference. First operand 63 states and 77 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-12 02:25:41,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:25:41,224 INFO L93 Difference]: Finished difference Result 105 states and 131 transitions. [2023-11-12 02:25:41,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:25:41,224 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2023-11-12 02:25:41,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:25:41,225 INFO L225 Difference]: With dead ends: 105 [2023-11-12 02:25:41,225 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 02:25:41,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:25:41,229 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 28 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:25:41,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 191 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:25:41,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 02:25:41,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 02:25:41,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:25:41,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 02:25:41,231 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2023-11-12 02:25:41,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:25:41,232 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:25:41,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-12 02:25:41,232 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:25:41,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 02:25:41,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:25:41,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:25:41,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 02:25:41,413 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 537 548) no Hoare annotation was computed. [2023-11-12 02:25:41,414 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 537 548) the Hoare annotation is: true [2023-11-12 02:25:41,414 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 537 548) no Hoare annotation was computed. [2023-11-12 02:25:41,415 INFO L895 garLoopResultBuilder]: At program point L754(line 754) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-11-12 02:25:41,415 INFO L895 garLoopResultBuilder]: At program point L746(line 746) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-11-12 02:25:41,415 INFO L899 garLoopResultBuilder]: For program point L746-1(line 746) no Hoare annotation was computed. [2023-11-12 02:25:41,415 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 705 731) no Hoare annotation was computed. [2023-11-12 02:25:41,415 INFO L895 garLoopResultBuilder]: At program point L486(line 486) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-12 02:25:41,416 INFO L899 garLoopResultBuilder]: For program point L486-1(line 486) no Hoare annotation was computed. [2023-11-12 02:25:41,416 INFO L895 garLoopResultBuilder]: At program point L759(line 759) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-12 02:25:41,416 INFO L899 garLoopResultBuilder]: For program point L759-1(lines 740 764) no Hoare annotation was computed. [2023-11-12 02:25:41,416 INFO L899 garLoopResultBuilder]: For program point getWaterLevel_returnLabel#1(lines 581 589) no Hoare annotation was computed. [2023-11-12 02:25:41,417 INFO L895 garLoopResultBuilder]: At program point L471(line 471) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-12 02:25:41,417 INFO L899 garLoopResultBuilder]: For program point L471-1(line 471) no Hoare annotation was computed. [2023-11-12 02:25:41,417 INFO L899 garLoopResultBuilder]: For program point L595(line 595) no Hoare annotation was computed. [2023-11-12 02:25:41,419 INFO L899 garLoopResultBuilder]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2023-11-12 02:25:41,420 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 756) no Hoare annotation was computed. [2023-11-12 02:25:41,420 INFO L899 garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 591 598) no Hoare annotation was computed. [2023-11-12 02:25:41,421 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 705 731) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-12 02:25:41,421 INFO L899 garLoopResultBuilder]: For program point L744(lines 744 761) no Hoare annotation was computed. [2023-11-12 02:25:41,421 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 498) no Hoare annotation was computed. [2023-11-12 02:25:41,421 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 521) no Hoare annotation was computed. [2023-11-12 02:25:41,422 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 501) no Hoare annotation was computed. [2023-11-12 02:25:41,423 INFO L899 garLoopResultBuilder]: For program point L517-2(lines 513 524) no Hoare annotation was computed. [2023-11-12 02:25:41,423 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 476 504) no Hoare annotation was computed. [2023-11-12 02:25:41,423 INFO L899 garLoopResultBuilder]: For program point deactivatePump_returnLabel#1(lines 790 797) no Hoare annotation was computed. [2023-11-12 02:25:41,424 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2_returnLabel#1(lines 466 475) no Hoare annotation was computed. [2023-11-12 02:25:41,424 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 705 731) no Hoare annotation was computed. [2023-11-12 02:25:41,424 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 495) no Hoare annotation was computed. [2023-11-12 02:25:41,424 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2023-11-12 02:25:41,424 INFO L899 garLoopResultBuilder]: For program point L712(lines 712 718) no Hoare annotation was computed. [2023-11-12 02:25:41,425 INFO L899 garLoopResultBuilder]: For program point L712-2(lines 708 730) no Hoare annotation was computed. [2023-11-12 02:25:41,426 INFO L902 garLoopResultBuilder]: At program point L608(line 608) the Hoare annotation is: true [2023-11-12 02:25:41,426 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 602 631) no Hoare annotation was computed. [2023-11-12 02:25:41,427 INFO L899 garLoopResultBuilder]: For program point L608-1(line 608) no Hoare annotation was computed. [2023-11-12 02:25:41,428 INFO L899 garLoopResultBuilder]: For program point L627(lines 602 631) no Hoare annotation was computed. [2023-11-12 02:25:41,431 INFO L899 garLoopResultBuilder]: For program point L623(line 623) no Hoare annotation was computed. [2023-11-12 02:25:41,432 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 602 631) the Hoare annotation is: true [2023-11-12 02:25:41,432 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 620) no Hoare annotation was computed. [2023-11-12 02:25:41,433 INFO L902 garLoopResultBuilder]: At program point L616-1(lines 616 620) the Hoare annotation is: true [2023-11-12 02:25:41,433 INFO L899 garLoopResultBuilder]: For program point L613(line 613) no Hoare annotation was computed. [2023-11-12 02:25:41,433 INFO L902 garLoopResultBuilder]: At program point L612-2(lines 612 626) the Hoare annotation is: true [2023-11-12 02:25:41,440 INFO L895 garLoopResultBuilder]: At program point L911(lines 864 912) the Hoare annotation is: false [2023-11-12 02:25:41,442 INFO L899 garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 665 675) no Hoare annotation was computed. [2023-11-12 02:25:41,442 INFO L899 garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 64 70) no Hoare annotation was computed. [2023-11-12 02:25:41,448 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 676 698) no Hoare annotation was computed. [2023-11-12 02:25:41,449 INFO L899 garLoopResultBuilder]: For program point L866(lines 865 910) no Hoare annotation was computed. [2023-11-12 02:25:41,449 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 02:25:41,449 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 906) no Hoare annotation was computed. [2023-11-12 02:25:41,449 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 02:25:41,450 INFO L895 garLoopResultBuilder]: At program point L887(line 887) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-12 02:25:41,450 INFO L895 garLoopResultBuilder]: At program point L908(lines 865 910) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-12 02:25:41,450 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 881) no Hoare annotation was computed. [2023-11-12 02:25:41,450 INFO L899 garLoopResultBuilder]: For program point L875-1(lines 875 881) no Hoare annotation was computed. [2023-11-12 02:25:41,451 INFO L899 garLoopResultBuilder]: For program point setup_returnLabel#1(lines 657 663) no Hoare annotation was computed. [2023-11-12 02:25:41,451 INFO L899 garLoopResultBuilder]: For program point L867(lines 867 871) no Hoare annotation was computed. [2023-11-12 02:25:41,451 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 02:25:41,451 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1_returnLabel#1(lines 458 465) no Hoare annotation was computed. [2023-11-12 02:25:41,451 INFO L899 garLoopResultBuilder]: For program point L686(lines 686 693) no Hoare annotation was computed. [2023-11-12 02:25:41,452 INFO L899 garLoopResultBuilder]: For program point L686-2(lines 686 693) no Hoare annotation was computed. [2023-11-12 02:25:41,452 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 02:25:41,452 INFO L899 garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 71 77) no Hoare annotation was computed. [2023-11-12 02:25:41,452 INFO L899 garLoopResultBuilder]: For program point L901(lines 901 905) no Hoare annotation was computed. [2023-11-12 02:25:41,452 INFO L895 garLoopResultBuilder]: At program point L901-2(lines 895 906) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-12 02:25:41,457 INFO L899 garLoopResultBuilder]: For program point L885(lines 885 891) no Hoare annotation was computed. [2023-11-12 02:25:41,457 INFO L899 garLoopResultBuilder]: For program point L885-1(lines 885 891) no Hoare annotation was computed. [2023-11-12 02:25:41,457 INFO L899 garLoopResultBuilder]: For program point L914(lines 855 918) no Hoare annotation was computed. [2023-11-12 02:25:41,458 INFO L895 garLoopResultBuilder]: At program point L877(line 877) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-12 02:25:41,458 INFO L899 garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 78 86) no Hoare annotation was computed. [2023-11-12 02:25:41,458 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 525 536) no Hoare annotation was computed. [2023-11-12 02:25:41,458 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 525 536) no Hoare annotation was computed. [2023-11-12 02:25:41,458 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 525 536) the Hoare annotation is: true [2023-11-12 02:25:41,459 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 732 738) no Hoare annotation was computed. [2023-11-12 02:25:41,459 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 732 738) the Hoare annotation is: true [2023-11-12 02:25:41,459 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 809 817) no Hoare annotation was computed. [2023-11-12 02:25:41,459 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 809 817) no Hoare annotation was computed. [2023-11-12 02:25:41,459 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 809 817) the Hoare annotation is: true [2023-11-12 02:25:41,460 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCritical_returnLabel#1(lines 549 557) no Hoare annotation was computed. [2023-11-12 02:25:41,460 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 798 808) no Hoare annotation was computed. [2023-11-12 02:25:41,460 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 798 808) the Hoare annotation is: true [2023-11-12 02:25:41,460 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 798 808) no Hoare annotation was computed. [2023-11-12 02:25:41,463 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-12 02:25:41,466 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:25:41,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:25:41 BoogieIcfgContainer [2023-11-12 02:25:41,488 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:25:41,489 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:25:41,489 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:25:41,489 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:25:41,490 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:25:39" (3/4) ... [2023-11-12 02:25:41,496 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:25:41,501 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-12 02:25:41,502 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-12 02:25:41,502 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-12 02:25:41,502 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-12 02:25:41,503 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-12 02:25:41,503 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-12 02:25:41,503 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-12 02:25:41,521 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-12 02:25:41,522 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-12 02:25:41,523 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-12 02:25:41,523 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:25:41,524 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:25:41,562 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0) && (\result == 1)) && (1 == systemActive)) && (tmp == 1)) && (splverifierCounter == 0)) [2023-11-12 02:25:41,593 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0) && (\result == 1)) && (1 == systemActive)) && (tmp == 1)) && (splverifierCounter == 0)) [2023-11-12 02:25:41,649 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc7476-2623-4548-9963-b8b84ff133b4/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:25:41,650 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc7476-2623-4548-9963-b8b84ff133b4/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:25:41,650 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:25:41,651 INFO L158 Benchmark]: Toolchain (without parser) took 3569.00ms. Allocated memory was 146.8MB in the beginning and 184.5MB in the end (delta: 37.7MB). Free memory was 103.3MB in the beginning and 148.8MB in the end (delta: -45.5MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2023-11-12 02:25:41,651 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 146.8MB. Free memory is still 113.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:25:41,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 695.18ms. Allocated memory is still 146.8MB. Free memory was 103.3MB in the beginning and 84.3MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:25:41,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.42ms. Allocated memory is still 146.8MB. Free memory was 83.8MB in the beginning and 82.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:25:41,653 INFO L158 Benchmark]: Boogie Preprocessor took 30.95ms. Allocated memory is still 146.8MB. Free memory was 81.7MB in the beginning and 80.7MB in the end (delta: 986.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:25:41,653 INFO L158 Benchmark]: RCFGBuilder took 505.21ms. Allocated memory is still 146.8MB. Free memory was 80.2MB in the beginning and 65.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:25:41,654 INFO L158 Benchmark]: TraceAbstraction took 2096.08ms. Allocated memory was 146.8MB in the beginning and 184.5MB in the end (delta: 37.7MB). Free memory was 64.4MB in the beginning and 76.9MB in the end (delta: -12.5MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2023-11-12 02:25:41,654 INFO L158 Benchmark]: Witness Printer took 161.18ms. Allocated memory is still 184.5MB. Free memory was 76.9MB in the beginning and 148.8MB in the end (delta: -71.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:25:41,657 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 146.8MB. Free memory is still 113.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 695.18ms. Allocated memory is still 146.8MB. Free memory was 103.3MB in the beginning and 84.3MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.42ms. Allocated memory is still 146.8MB. Free memory was 83.8MB in the beginning and 82.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.95ms. Allocated memory is still 146.8MB. Free memory was 81.7MB in the beginning and 80.7MB in the end (delta: 986.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 505.21ms. Allocated memory is still 146.8MB. Free memory was 80.2MB in the beginning and 65.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2096.08ms. Allocated memory was 146.8MB in the beginning and 184.5MB in the end (delta: 37.7MB). Free memory was 64.4MB in the beginning and 76.9MB in the end (delta: -12.5MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Witness Printer took 161.18ms. Allocated memory is still 184.5MB. Free memory was 76.9MB in the beginning and 148.8MB in the end (delta: -71.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [453] - GenericResultAtLocation [Line: 505]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [505] - GenericResultAtLocation [Line: 590]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [590] - GenericResultAtLocation [Line: 599]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [599] - GenericResultAtLocation [Line: 699]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [699] - GenericResultAtLocation [Line: 854]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [854] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 595]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 148 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 144 mSDsluCounter, 581 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 281 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 74 IncrementalHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 300 mSDtfsCounter, 74 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 92 PreInvPairs, 98 NumberOfFragments, 140 HoareAnnotationTreeSize, 92 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 76 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 271 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (\result == 1)) && (1 == systemActive)) && (tmp == 1)) && (splverifierCounter == 0)) - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-12 02:25:41,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fefc7476-2623-4548-9963-b8b84ff133b4/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE