./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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_ec246d65-91f6-4fd5-9540-9515011dc559/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec246d65-91f6-4fd5-9540-9515011dc559/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec246d65-91f6-4fd5-9540-9515011dc559/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec246d65-91f6-4fd5-9540-9515011dc559/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product42.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec246d65-91f6-4fd5-9540-9515011dc559/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec246d65-91f6-4fd5-9540-9515011dc559/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 190527f0b5c755657048457e241e1db06174c0bd15c9c37dddb3c55b0e7d73ce --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:02:43,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:02:43,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:02:43,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:02:43,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:02:43,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:02:43,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:02:43,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:02:43,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:02:43,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:02:43,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:02:43,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:02:43,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:02:43,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:02:43,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:02:43,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:02:43,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:02:43,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:02:43,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:02:43,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:02:43,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:02:43,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:02:43,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:02:43,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:02:43,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:02:43,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:02:43,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:02:43,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:02:43,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:02:43,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:02:43,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:02:43,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:02:43,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:02:43,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:02:43,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:02:43,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:02:43,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:02:43,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:02:43,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:02:43,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:02:43,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:02:43,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec246d65-91f6-4fd5-9540-9515011dc559/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 18:02:43,591 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:02:43,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:02:43,592 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:02:43,592 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:02:43,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:02:43,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:02:43,593 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:02:43,593 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 18:02:43,593 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 18:02:43,593 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 18:02:43,593 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 18:02:43,593 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 18:02:43,593 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 18:02:43,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:02:43,594 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 18:02:43,594 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:02:43,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:02:43,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 18:02:43,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:02:43,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 18:02:43,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 18:02:43,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 18:02:43,595 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 18:02:43,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:02:43,595 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 18:02:43,595 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:02:43,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 18:02:43,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:02:43,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:02:43,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:02:43,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:02:43,596 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 18:02:43,597 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec246d65-91f6-4fd5-9540-9515011dc559/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec246d65-91f6-4fd5-9540-9515011dc559/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 190527f0b5c755657048457e241e1db06174c0bd15c9c37dddb3c55b0e7d73ce [2022-12-13 18:02:43,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:02:43,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:02:43,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:02:43,784 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:02:43,785 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:02:43,786 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec246d65-91f6-4fd5-9540-9515011dc559/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec4_product42.cil.c [2022-12-13 18:02:46,451 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:02:46,616 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:02:46,616 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec246d65-91f6-4fd5-9540-9515011dc559/sv-benchmarks/c/product-lines/minepump_spec4_product42.cil.c [2022-12-13 18:02:46,624 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec246d65-91f6-4fd5-9540-9515011dc559/bin/uautomizer-uyxdKDjOR8/data/9f5f89da2/55ec247145c9487c8d5c5ff662c4ec15/FLAG02603acf4 [2022-12-13 18:02:46,634 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec246d65-91f6-4fd5-9540-9515011dc559/bin/uautomizer-uyxdKDjOR8/data/9f5f89da2/55ec247145c9487c8d5c5ff662c4ec15 [2022-12-13 18:02:46,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:02:46,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:02:46,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:02:46,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:02:46,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:02:46,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:02:46" (1/1) ... [2022-12-13 18:02:46,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cebcc8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:02:46, skipping insertion in model container [2022-12-13 18:02:46,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:02:46" (1/1) ... [2022-12-13 18:02:46,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:02:46,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:02:46,848 WARN L237 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_ec246d65-91f6-4fd5-9540-9515011dc559/sv-benchmarks/c/product-lines/minepump_spec4_product42.cil.c[17943,17956] [2022-12-13 18:02:46,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:02:46,859 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:02:46,904 WARN L237 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_ec246d65-91f6-4fd5-9540-9515011dc559/sv-benchmarks/c/product-lines/minepump_spec4_product42.cil.c[17943,17956] [2022-12-13 18:02:46,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:02:46,917 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:02:46,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:02:46 WrapperNode [2022-12-13 18:02:46,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:02:46,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:02:46,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:02:46,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:02:46,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:02:46" (1/1) ... [2022-12-13 18:02:46,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:02:46" (1/1) ... [2022-12-13 18:02:46,953 INFO L138 Inliner]: procedures = 54, calls = 96, calls flagged for inlining = 49, calls inlined = 57, statements flattened = 399 [2022-12-13 18:02:46,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:02:46,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:02:46,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:02:46,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:02:46,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:02:46" (1/1) ... [2022-12-13 18:02:46,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:02:46" (1/1) ... [2022-12-13 18:02:46,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:02:46" (1/1) ... [2022-12-13 18:02:46,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:02:46" (1/1) ... [2022-12-13 18:02:46,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:02:46" (1/1) ... [2022-12-13 18:02:46,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:02:46" (1/1) ... [2022-12-13 18:02:46,972 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:02:46" (1/1) ... [2022-12-13 18:02:46,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:02:46" (1/1) ... [2022-12-13 18:02:46,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:02:46,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:02:46,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:02:46,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:02:46,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:02:46" (1/1) ... [2022-12-13 18:02:46,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:02:46,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec246d65-91f6-4fd5-9540-9515011dc559/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:02:47,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec246d65-91f6-4fd5-9540-9515011dc559/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:02:47,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec246d65-91f6-4fd5-9540-9515011dc559/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 18:02:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:02:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:02:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:02:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:02:47,106 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:02:47,108 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:02:47,359 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:02:47,363 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:02:47,363 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 18:02:47,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:02:47 BoogieIcfgContainer [2022-12-13 18:02:47,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:02:47,366 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 18:02:47,366 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 18:02:47,370 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 18:02:47,371 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:02:47,371 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 06:02:46" (1/3) ... [2022-12-13 18:02:47,372 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6efbbac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 06:02:47, skipping insertion in model container [2022-12-13 18:02:47,372 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:02:47,372 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:02:46" (2/3) ... [2022-12-13 18:02:47,373 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6efbbac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 06:02:47, skipping insertion in model container [2022-12-13 18:02:47,373 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:02:47,373 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:02:47" (3/3) ... [2022-12-13 18:02:47,374 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product42.cil.c [2022-12-13 18:02:47,428 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 18:02:47,428 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 18:02:47,428 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 18:02:47,428 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 18:02:47,428 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 18:02:47,428 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 18:02:47,429 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 18:02:47,429 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 18:02:47,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 118 states, 117 states have (on average 1.3675213675213675) internal successors, (160), 117 states have internal predecessors, (160), 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) [2022-12-13 18:02:47,454 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2022-12-13 18:02:47,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:02:47,454 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:02:47,459 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:02:47,459 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:02:47,459 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 18:02:47,460 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 118 states, 117 states have (on average 1.3675213675213675) internal successors, (160), 117 states have internal predecessors, (160), 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) [2022-12-13 18:02:47,465 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75 [2022-12-13 18:02:47,465 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:02:47,465 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:02:47,465 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:02:47,466 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:02:47,469 INFO L748 eck$LassoCheckResult]: Stem: 30#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 40#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 26#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 100#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 86#valid_product_returnLabel#1true main_#t~ret35#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1; 31#L668true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 71#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 56#L693-2true [2022-12-13 18:02:47,470 INFO L750 eck$LassoCheckResult]: Loop: 56#L693-2true assume !false; 84#L694true assume test_~splverifierCounter~0#1 < 4; 117#L695true test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 17#L703true assume !(0 != test_~tmp~5#1); 90#L703-2true test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 96#L713true assume !(0 != test_~tmp___0~1#1); 19#L713-2true test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 118#L723true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 49#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 4#L731-2true assume { :begin_inline_timeShift } true; 34#L759true assume !(0 != ~pumpRunning~0); 42#L759-2true assume !(0 != ~systemActive~0); 29#L766-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret33#1, __utac_acc__Specification4_spec__1_#t~ret34#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 64#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret33#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret33#1;havoc __utac_acc__Specification4_spec__1_#t~ret33#1; 23#L565true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 21#L565-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 65#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 56#L693-2true [2022-12-13 18:02:47,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:02:47,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-12-13 18:02:47,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:02:47,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095507391] [2022-12-13 18:02:47,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:02:47,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:02:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:02:47,564 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:02:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:02:47,592 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:02:47,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:02:47,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1650147905, now seen corresponding path program 1 times [2022-12-13 18:02:47,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:02:47,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059499075] [2022-12-13 18:02:47,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:02:47,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:02:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:02:47,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:02:47,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:02:47,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059499075] [2022-12-13 18:02:47,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059499075] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:02:47,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:02:47,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:02:47,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471883539] [2022-12-13 18:02:47,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:02:47,660 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 18:02:47,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:02:47,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:02:47,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:02:47,688 INFO L87 Difference]: Start difference. First operand has 118 states, 117 states have (on average 1.3675213675213675) internal successors, (160), 117 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:02:47,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:02:47,714 INFO L93 Difference]: Finished difference Result 115 states and 147 transitions. [2022-12-13 18:02:47,715 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 115 states and 147 transitions. [2022-12-13 18:02:47,717 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2022-12-13 18:02:47,720 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 115 states to 105 states and 136 transitions. [2022-12-13 18:02:47,721 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 105 [2022-12-13 18:02:47,722 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 105 [2022-12-13 18:02:47,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 105 states and 136 transitions. [2022-12-13 18:02:47,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:02:47,722 INFO L218 hiAutomatonCegarLoop]: Abstraction has 105 states and 136 transitions. [2022-12-13 18:02:47,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states and 136 transitions. [2022-12-13 18:02:47,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2022-12-13 18:02:47,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 105 states have (on average 1.2952380952380953) internal successors, (136), 104 states have internal predecessors, (136), 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) [2022-12-13 18:02:47,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 136 transitions. [2022-12-13 18:02:47,744 INFO L240 hiAutomatonCegarLoop]: Abstraction has 105 states and 136 transitions. [2022-12-13 18:02:47,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:02:47,748 INFO L428 stractBuchiCegarLoop]: Abstraction has 105 states and 136 transitions. [2022-12-13 18:02:47,748 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 18:02:47,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 136 transitions. [2022-12-13 18:02:47,750 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2022-12-13 18:02:47,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:02:47,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:02:47,751 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:02:47,751 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:02:47,751 INFO L748 eck$LassoCheckResult]: Stem: 289#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 290#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 285#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 286#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 337#valid_product_returnLabel#1 main_#t~ret35#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1; 291#L668 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 292#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 317#L693-2 [2022-12-13 18:02:47,751 INFO L750 eck$LassoCheckResult]: Loop: 317#L693-2 assume !false; 318#L694 assume test_~splverifierCounter~0#1 < 4; 334#L695 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 268#L703 assume !(0 != test_~tmp~5#1); 270#L703-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 339#L713 assume !(0 != test_~tmp___0~1#1); 253#L713-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 273#L723 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 341#L731 assume 0 != test_~tmp___1~0#1; 244#L731-2 assume { :begin_inline_timeShift } true; 245#L759 assume !(0 != ~pumpRunning~0); 282#L759-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 293#L791 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 294#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 267#L791-1 assume { :end_inline_processEnvironment } true; 287#L766-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret33#1, __utac_acc__Specification4_spec__1_#t~ret34#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 288#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret33#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret33#1;havoc __utac_acc__Specification4_spec__1_#t~ret33#1; 280#L565 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 276#L565-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 277#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 317#L693-2 [2022-12-13 18:02:47,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:02:47,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-12-13 18:02:47,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:02:47,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973926290] [2022-12-13 18:02:47,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:02:47,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:02:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:02:47,766 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:02:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:02:47,777 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:02:47,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:02:47,777 INFO L85 PathProgramCache]: Analyzing trace with hash 428474599, now seen corresponding path program 1 times [2022-12-13 18:02:47,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:02:47,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869687593] [2022-12-13 18:02:47,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:02:47,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:02:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:02:47,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:02:47,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:02:47,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869687593] [2022-12-13 18:02:47,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869687593] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:02:47,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:02:47,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:02:47,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481721368] [2022-12-13 18:02:47,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:02:47,802 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 18:02:47,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:02:47,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:02:47,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:02:47,803 INFO L87 Difference]: Start difference. First operand 105 states and 136 transitions. cyclomatic complexity: 33 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-12-13 18:02:47,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:02:47,852 INFO L93 Difference]: Finished difference Result 161 states and 202 transitions. [2022-12-13 18:02:47,852 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 161 states and 202 transitions. [2022-12-13 18:02:47,854 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2022-12-13 18:02:47,855 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 161 states to 161 states and 202 transitions. [2022-12-13 18:02:47,856 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 161 [2022-12-13 18:02:47,856 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 161 [2022-12-13 18:02:47,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 161 states and 202 transitions. [2022-12-13 18:02:47,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:02:47,857 INFO L218 hiAutomatonCegarLoop]: Abstraction has 161 states and 202 transitions. [2022-12-13 18:02:47,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states and 202 transitions. [2022-12-13 18:02:47,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2022-12-13 18:02:47,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 161 states have (on average 1.2546583850931676) internal successors, (202), 160 states have internal predecessors, (202), 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) [2022-12-13 18:02:47,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 202 transitions. [2022-12-13 18:02:47,866 INFO L240 hiAutomatonCegarLoop]: Abstraction has 161 states and 202 transitions. [2022-12-13 18:02:47,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:02:47,867 INFO L428 stractBuchiCegarLoop]: Abstraction has 161 states and 202 transitions. [2022-12-13 18:02:47,867 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 18:02:47,867 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 161 states and 202 transitions. [2022-12-13 18:02:47,869 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2022-12-13 18:02:47,869 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:02:47,869 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:02:47,870 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:02:47,870 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:02:47,870 INFO L748 eck$LassoCheckResult]: Stem: 559#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 560#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 555#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 556#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 617#valid_product_returnLabel#1 main_#t~ret35#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1; 563#L668 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 564#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 591#L693-2 [2022-12-13 18:02:47,870 INFO L750 eck$LassoCheckResult]: Loop: 591#L693-2 assume !false; 592#L694 assume test_~splverifierCounter~0#1 < 4; 614#L695 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 538#L703 assume !(0 != test_~tmp~5#1); 540#L703-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 619#L713 assume !(0 != test_~tmp___0~1#1); 525#L713-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 543#L723 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 586#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 516#L731-2 assume { :begin_inline_timeShift } true; 517#L759 assume !(0 != ~pumpRunning~0); 566#L759-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 561#L791 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret51#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 562#L140 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 548#isHighWaterSensorDry_returnLabel#1 isHighWaterLevel_#t~ret51#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret51#1;havoc isHighWaterLevel_#t~ret51#1; 549#L911 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~2#1 := 0; 544#L911-2 isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; 545#isHighWaterLevel_returnLabel#1 processEnvironment_#t~ret40#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~6#1 := processEnvironment_#t~ret40#1;havoc processEnvironment_#t~ret40#1; 526#L795 assume !(0 != processEnvironment_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 528#processEnvironment__wrappee__base_returnLabel#1 assume { :end_inline_processEnvironment__wrappee__base } true; 537#L791-1 assume { :end_inline_processEnvironment } true; 557#L766-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret33#1, __utac_acc__Specification4_spec__1_#t~ret34#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 558#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret33#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret33#1;havoc __utac_acc__Specification4_spec__1_#t~ret33#1; 550#L565 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 546#L565-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 547#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 591#L693-2 [2022-12-13 18:02:47,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:02:47,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-12-13 18:02:47,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:02:47,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966506290] [2022-12-13 18:02:47,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:02:47,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:02:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:02:47,883 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:02:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:02:47,894 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:02:47,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:02:47,894 INFO L85 PathProgramCache]: Analyzing trace with hash 20566992, now seen corresponding path program 1 times [2022-12-13 18:02:47,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:02:47,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793171168] [2022-12-13 18:02:47,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:02:47,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:02:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:02:47,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:02:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:02:47,921 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:02:47,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:02:47,922 INFO L85 PathProgramCache]: Analyzing trace with hash -105874284, now seen corresponding path program 1 times [2022-12-13 18:02:47,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:02:47,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962488515] [2022-12-13 18:02:47,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:02:47,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:02:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:02:47,935 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:02:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:02:47,962 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:02:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:02:48,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:02:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:02:48,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 06:02:48 BoogieIcfgContainer [2022-12-13 18:02:48,791 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 18:02:48,791 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:02:48,792 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:02:48,792 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:02:48,792 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:02:47" (3/4) ... [2022-12-13 18:02:48,795 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 18:02:48,837 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec246d65-91f6-4fd5-9540-9515011dc559/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:02:48,837 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:02:48,838 INFO L158 Benchmark]: Toolchain (without parser) took 2200.02ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 106.7MB in the beginning and 102.2MB in the end (delta: 4.5MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2022-12-13 18:02:48,838 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 136.3MB. Free memory is still 111.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:02:48,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.38ms. Allocated memory is still 136.3MB. Free memory was 106.7MB in the beginning and 88.3MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 18:02:48,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.41ms. Allocated memory is still 136.3MB. Free memory was 88.3MB in the beginning and 85.7MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:02:48,839 INFO L158 Benchmark]: Boogie Preprocessor took 21.12ms. Allocated memory is still 136.3MB. Free memory was 85.7MB in the beginning and 83.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:02:48,840 INFO L158 Benchmark]: RCFGBuilder took 389.25ms. Allocated memory is still 136.3MB. Free memory was 83.6MB in the beginning and 97.6MB in the end (delta: -14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 18:02:48,840 INFO L158 Benchmark]: BuchiAutomizer took 1425.46ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 97.0MB in the beginning and 105.3MB in the end (delta: -8.3MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2022-12-13 18:02:48,840 INFO L158 Benchmark]: Witness Printer took 45.96ms. Allocated memory is still 167.8MB. Free memory was 105.3MB in the beginning and 102.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:02:48,842 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 136.3MB. Free memory is still 111.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.38ms. Allocated memory is still 136.3MB. Free memory was 106.7MB in the beginning and 88.3MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.41ms. Allocated memory is still 136.3MB. Free memory was 88.3MB in the beginning and 85.7MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.12ms. Allocated memory is still 136.3MB. Free memory was 85.7MB in the beginning and 83.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 389.25ms. Allocated memory is still 136.3MB. Free memory was 83.6MB in the beginning and 97.6MB in the end (delta: -14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 1425.46ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 97.0MB in the beginning and 105.3MB in the end (delta: -8.3MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Witness Printer took 45.96ms. Allocated memory is still 167.8MB. Free memory was 105.3MB in the beginning and 102.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 161 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 251 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 251 mSDsluCounter, 352 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 72 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 280 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 693]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L320] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L583] int cleanupTimeShifts = 4; [L752] int pumpRunning = 0; [L753] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L659] int retValue_acc ; [L660] int tmp ; [L664] FCALL select_helpers() [L665] FCALL select_features() [L666] CALL, EXPR valid_product() [L546] int retValue_acc ; [L549] retValue_acc = 1 [L550] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L666] RET, EXPR valid_product() [L666] tmp = valid_product() [L668] COND TRUE \read(tmp) [L670] FCALL setup() [L671] CALL runTest() [L653] CALL test() [L684] int splverifierCounter ; [L685] int tmp ; [L686] int tmp___0 ; [L687] int tmp___1 ; [L688] int tmp___2 ; [L691] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L693] COND TRUE 1 [L695] COND TRUE splverifierCounter < 4 [L701] tmp = __VERIFIER_nondet_int() [L703] COND FALSE !(\read(tmp)) [L711] tmp___0 = __VERIFIER_nondet_int() [L713] COND FALSE !(\read(tmp___0)) [L721] tmp___2 = __VERIFIER_nondet_int() [L723] COND TRUE \read(tmp___2) [L725] CALL startSystem() [L925] systemActive = 1 [L725] RET startSystem() [L738] CALL timeShift() [L759] COND FALSE !(\read(pumpRunning)) [L766] COND TRUE \read(systemActive) [L768] CALL processEnvironment() [L788] int tmp ; [L791] COND TRUE ! pumpRunning [L793] CALL, EXPR isHighWaterLevel() [L903] int retValue_acc ; [L904] int tmp ; [L905] int tmp___0 ; [L909] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L909] RET, EXPR isHighWaterSensorDry() [L909] tmp = isHighWaterSensorDry() [L911] COND TRUE \read(tmp) [L912] tmp___0 = 0 [L916] retValue_acc = tmp___0 [L917] return (retValue_acc); [L793] RET, EXPR isHighWaterLevel() [L793] tmp = isHighWaterLevel() [L795] COND FALSE !(\read(tmp)) [L801] FCALL processEnvironment__wrappee__base() [L768] RET processEnvironment() [L774] CALL __utac_acc__Specification4_spec__1() [L558] int tmp ; [L559] int tmp___0 ; [L563] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L563] RET, EXPR getWaterLevel() [L563] tmp = getWaterLevel() [L565] COND FALSE !(tmp == 0) [L774] RET __utac_acc__Specification4_spec__1() [L738] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 693]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L320] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L583] int cleanupTimeShifts = 4; [L752] int pumpRunning = 0; [L753] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L659] int retValue_acc ; [L660] int tmp ; [L664] FCALL select_helpers() [L665] FCALL select_features() [L666] CALL, EXPR valid_product() [L546] int retValue_acc ; [L549] retValue_acc = 1 [L550] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L666] RET, EXPR valid_product() [L666] tmp = valid_product() [L668] COND TRUE \read(tmp) [L670] FCALL setup() [L671] CALL runTest() [L653] CALL test() [L684] int splverifierCounter ; [L685] int tmp ; [L686] int tmp___0 ; [L687] int tmp___1 ; [L688] int tmp___2 ; [L691] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L693] COND TRUE 1 [L695] COND TRUE splverifierCounter < 4 [L701] tmp = __VERIFIER_nondet_int() [L703] COND FALSE !(\read(tmp)) [L711] tmp___0 = __VERIFIER_nondet_int() [L713] COND FALSE !(\read(tmp___0)) [L721] tmp___2 = __VERIFIER_nondet_int() [L723] COND TRUE \read(tmp___2) [L725] CALL startSystem() [L925] systemActive = 1 [L725] RET startSystem() [L738] CALL timeShift() [L759] COND FALSE !(\read(pumpRunning)) [L766] COND TRUE \read(systemActive) [L768] CALL processEnvironment() [L788] int tmp ; [L791] COND TRUE ! pumpRunning [L793] CALL, EXPR isHighWaterLevel() [L903] int retValue_acc ; [L904] int tmp ; [L905] int tmp___0 ; [L909] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L909] RET, EXPR isHighWaterSensorDry() [L909] tmp = isHighWaterSensorDry() [L911] COND TRUE \read(tmp) [L912] tmp___0 = 0 [L916] retValue_acc = tmp___0 [L917] return (retValue_acc); [L793] RET, EXPR isHighWaterLevel() [L793] tmp = isHighWaterLevel() [L795] COND FALSE !(\read(tmp)) [L801] FCALL processEnvironment__wrappee__base() [L768] RET processEnvironment() [L774] CALL __utac_acc__Specification4_spec__1() [L558] int tmp ; [L559] int tmp___0 ; [L563] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L563] RET, EXPR getWaterLevel() [L563] tmp = getWaterLevel() [L565] COND FALSE !(tmp == 0) [L774] RET __utac_acc__Specification4_spec__1() [L738] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 18:02:48,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec246d65-91f6-4fd5-9540-9515011dc559/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)