./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product37.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec8f568-5af1-4cbb-8fed-ab64e7e0b33f/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec8f568-5af1-4cbb-8fed-ab64e7e0b33f/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec8f568-5af1-4cbb-8fed-ab64e7e0b33f/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec8f568-5af1-4cbb-8fed-ab64e7e0b33f/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec8f568-5af1-4cbb-8fed-ab64e7e0b33f/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec8f568-5af1-4cbb-8fed-ab64e7e0b33f/bin/uautomizer-WNIpwEf4Nt --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 e155c6ff67a88d7a4e2430bd4435eb1c3cafcd71 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:03:45,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:03:45,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:03:45,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:03:45,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:03:45,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:03:45,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:03:45,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:03:45,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:03:45,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:03:45,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:03:45,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:03:45,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:03:45,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:03:45,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:03:45,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:03:45,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:03:45,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:03:45,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:03:45,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:03:45,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:03:45,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:03:45,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:03:45,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:03:45,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:03:45,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:03:45,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:03:45,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:03:45,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:03:45,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:03:45,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:03:45,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:03:45,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:03:45,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:03:45,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:03:45,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:03:45,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:03:45,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:03:45,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:03:45,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:03:45,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:03:45,334 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec8f568-5af1-4cbb-8fed-ab64e7e0b33f/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 01:03:45,395 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:03:45,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:03:45,401 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:03:45,402 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:03:45,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:03:45,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:03:45,405 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:03:45,405 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:03:45,406 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:03:45,406 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:03:45,407 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:03:45,408 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:03:45,408 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:03:45,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:03:45,409 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:03:45,409 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:03:45,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:03:45,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:03:45,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:03:45,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:03:45,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:03:45,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:03:45,411 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:03:45,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:03:45,411 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:03:45,412 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:03:45,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:03:45,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:03:45,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:03:45,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:03:45,415 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:03:45,416 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:03:45,418 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:03:45,418 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_6ec8f568-5af1-4cbb-8fed-ab64e7e0b33f/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec8f568-5af1-4cbb-8fed-ab64e7e0b33f/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e155c6ff67a88d7a4e2430bd4435eb1c3cafcd71 [2021-10-13 01:03:45,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:03:45,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:03:45,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:03:45,828 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:03:45,829 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:03:45,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec8f568-5af1-4cbb-8fed-ab64e7e0b33f/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec4_product37.cil.c [2021-10-13 01:03:45,925 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec8f568-5af1-4cbb-8fed-ab64e7e0b33f/bin/uautomizer-WNIpwEf4Nt/data/21a7ebc74/6d74b26cbd5940809186047d0c70850b/FLAG4f01dc666 [2021-10-13 01:03:46,543 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:03:46,544 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec8f568-5af1-4cbb-8fed-ab64e7e0b33f/sv-benchmarks/c/product-lines/minepump_spec4_product37.cil.c [2021-10-13 01:03:46,574 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec8f568-5af1-4cbb-8fed-ab64e7e0b33f/bin/uautomizer-WNIpwEf4Nt/data/21a7ebc74/6d74b26cbd5940809186047d0c70850b/FLAG4f01dc666 [2021-10-13 01:03:46,850 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec8f568-5af1-4cbb-8fed-ab64e7e0b33f/bin/uautomizer-WNIpwEf4Nt/data/21a7ebc74/6d74b26cbd5940809186047d0c70850b [2021-10-13 01:03:46,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:03:46,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:03:46,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:03:46,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:03:46,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:03:46,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:03:46" (1/1) ... [2021-10-13 01:03:46,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b2edb1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:46, skipping insertion in model container [2021-10-13 01:03:46,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:03:46" (1/1) ... [2021-10-13 01:03:46,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:03:46,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:03:47,286 WARN L228 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_6ec8f568-5af1-4cbb-8fed-ab64e7e0b33f/sv-benchmarks/c/product-lines/minepump_spec4_product37.cil.c[6374,6387] [2021-10-13 01:03:47,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:03:47,412 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:03:47,449 WARN L228 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_6ec8f568-5af1-4cbb-8fed-ab64e7e0b33f/sv-benchmarks/c/product-lines/minepump_spec4_product37.cil.c[6374,6387] [2021-10-13 01:03:47,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:03:47,526 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:03:47,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:47 WrapperNode [2021-10-13 01:03:47,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:03:47,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:03:47,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:03:47,529 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:03:47,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:47" (1/1) ... [2021-10-13 01:03:47,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:47" (1/1) ... [2021-10-13 01:03:47,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:03:47,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:03:47,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:03:47,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:03:47,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:47" (1/1) ... [2021-10-13 01:03:47,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:47" (1/1) ... [2021-10-13 01:03:47,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:47" (1/1) ... [2021-10-13 01:03:47,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:47" (1/1) ... [2021-10-13 01:03:47,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:47" (1/1) ... [2021-10-13 01:03:47,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:47" (1/1) ... [2021-10-13 01:03:47,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:47" (1/1) ... [2021-10-13 01:03:47,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:03:47,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:03:47,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:03:47,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:03:47,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:47" (1/1) ... [2021-10-13 01:03:47,719 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:03:47,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec8f568-5af1-4cbb-8fed-ab64e7e0b33f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:03:47,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec8f568-5af1-4cbb-8fed-ab64e7e0b33f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:03:47,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec8f568-5af1-4cbb-8fed-ab64e7e0b33f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:03:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:03:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:03:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:03:47,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:03:49,072 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:03:49,073 INFO L299 CfgBuilder]: Removed 156 assume(true) statements. [2021-10-13 01:03:49,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:03:49 BoogieIcfgContainer [2021-10-13 01:03:49,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:03:49,078 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:03:49,079 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:03:49,085 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:03:49,086 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:03:49,087 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:03:46" (1/3) ... [2021-10-13 01:03:49,089 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f034273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:03:49, skipping insertion in model container [2021-10-13 01:03:49,089 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:03:49,089 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:47" (2/3) ... [2021-10-13 01:03:49,090 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f034273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:03:49, skipping insertion in model container [2021-10-13 01:03:49,090 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:03:49,090 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:03:49" (3/3) ... [2021-10-13 01:03:49,092 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product37.cil.c [2021-10-13 01:03:49,184 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:03:49,184 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:03:49,184 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:03:49,184 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:03:49,185 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:03:49,185 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:03:49,185 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:03:49,185 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:03:49,248 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.5420560747663552) internal successors, (165), 107 states have internal predecessors, (165), 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) [2021-10-13 01:03:49,289 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2021-10-13 01:03:49,289 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:03:49,289 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:03:49,298 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:03:49,299 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:03:49,299 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:03:49,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.5420560747663552) internal successors, (165), 107 states have internal predecessors, (165), 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) [2021-10-13 01:03:49,309 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2021-10-13 01:03:49,309 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:03:49,309 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:03:49,310 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:03:49,310 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:03:49,315 INFO L791 eck$LassoCheckResult]: Stem: 103#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(13);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string36.base, #t~string36.offset, 1);call write~init~int(77, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(101, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(116, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(104, #t~string36.base, 4 + #t~string36.offset, 1);call write~init~int(58, #t~string36.base, 5 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 6 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string38.base, #t~string38.offset, 1);call write~init~int(82, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(73, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(84, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 4 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(75, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string42.base, #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 1 + #t~string42.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 41#L-1true havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 102#L67true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 63#L75true main_#t~ret32 := valid_product_#res;main_~tmp~4 := main_#t~ret32;havoc main_#t~ret32; 21#L418true assume 0 != main_~tmp~4; 78#L395true havoc test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 19#L910-1true [2021-10-13 01:03:49,316 INFO L793 eck$LassoCheckResult]: Loop: 19#L910-1true assume !false; 82#L95true assume test_~splverifierCounter~0 < 4; 98#L96true test_~tmp~0 := test_#t~nondet8;havoc test_#t~nondet8; 23#L104true assume !(0 != test_~tmp~0); 107#L104-1true test_~tmp___0~0 := test_#t~nondet9;havoc test_#t~nondet9; 54#L114true assume !(0 != test_~tmp___0~0); 86#L114-1true test_~tmp___2~0 := test_#t~nondet10;havoc test_#t~nondet10; 77#L124true assume 0 != test_~tmp___2~0; 59#L130-2true assume !(0 != ~pumpRunning~0); 16#L165true assume !(0 != ~systemActive~0); 97#L172true havoc __utac_acc__Specification4_spec__1_#t~ret78, __utac_acc__Specification4_spec__1_#t~ret79, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 79#L517true __utac_acc__Specification4_spec__1_#t~ret78 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret78;havoc __utac_acc__Specification4_spec__1_#t~ret78; 22#L910true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 19#L910-1true [2021-10-13 01:03:49,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:03:49,325 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-13 01:03:49,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:03:49,338 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777468248] [2021-10-13 01:03:49,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:03:49,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:03:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:03:49,669 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:03:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:03:49,909 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:03:49,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:03:49,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1679990654, now seen corresponding path program 1 times [2021-10-13 01:03:49,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:03:49,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107495185] [2021-10-13 01:03:49,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:03:49,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:03:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:03:49,924 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:03:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:03:49,937 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:03:49,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:03:49,939 INFO L82 PathProgramCache]: Analyzing trace with hash 34288284, now seen corresponding path program 1 times [2021-10-13 01:03:49,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:03:49,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367431628] [2021-10-13 01:03:49,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:03:49,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:03:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:03:50,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:03:50,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:03:50,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367431628] [2021-10-13 01:03:50,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367431628] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:03:50,130 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:03:50,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 01:03:50,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465186701] [2021-10-13 01:03:50,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:03:50,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 01:03:50,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 01:03:50,320 INFO L87 Difference]: Start difference. First operand has 108 states, 107 states have (on average 1.5420560747663552) internal successors, (165), 107 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 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) [2021-10-13 01:03:50,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:03:50,651 INFO L93 Difference]: Finished difference Result 108 states and 154 transitions. [2021-10-13 01:03:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 01:03:50,653 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 154 transitions. [2021-10-13 01:03:50,659 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-10-13 01:03:50,667 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 101 states and 147 transitions. [2021-10-13 01:03:50,668 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 101 [2021-10-13 01:03:50,669 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 101 [2021-10-13 01:03:50,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 101 states and 147 transitions. [2021-10-13 01:03:50,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:03:50,671 INFO L681 BuchiCegarLoop]: Abstraction has 101 states and 147 transitions. [2021-10-13 01:03:50,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states and 147 transitions. [2021-10-13 01:03:50,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-10-13 01:03:50,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 101 states have (on average 1.4554455445544554) internal successors, (147), 100 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:03:50,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 147 transitions. [2021-10-13 01:03:50,712 INFO L704 BuchiCegarLoop]: Abstraction has 101 states and 147 transitions. [2021-10-13 01:03:50,713 INFO L587 BuchiCegarLoop]: Abstraction has 101 states and 147 transitions. [2021-10-13 01:03:50,713 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:03:50,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 147 transitions. [2021-10-13 01:03:50,716 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-10-13 01:03:50,717 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:03:50,717 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:03:50,718 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:03:50,718 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:03:50,718 INFO L791 eck$LassoCheckResult]: Stem: 333#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(13);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string36.base, #t~string36.offset, 1);call write~init~int(77, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(101, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(116, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(104, #t~string36.base, 4 + #t~string36.offset, 1);call write~init~int(58, #t~string36.base, 5 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 6 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string38.base, #t~string38.offset, 1);call write~init~int(82, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(73, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(84, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 4 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(75, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string42.base, #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 1 + #t~string42.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 297#L-1 havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 298#L67 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 319#L75 main_#t~ret32 := valid_product_#res;main_~tmp~4 := main_#t~ret32;havoc main_#t~ret32; 267#L418 assume 0 != main_~tmp~4; 268#L395 havoc test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 264#L910-1 [2021-10-13 01:03:50,719 INFO L793 eck$LassoCheckResult]: Loop: 264#L910-1 assume !false; 265#L95 assume test_~splverifierCounter~0 < 4; 330#L96 test_~tmp~0 := test_#t~nondet8;havoc test_#t~nondet8; 270#L104 assume !(0 != test_~tmp~0); 272#L104-1 test_~tmp___0~0 := test_#t~nondet9;havoc test_#t~nondet9; 310#L114 assume !(0 != test_~tmp___0~0); 291#L114-1 test_~tmp___2~0 := test_#t~nondet10;havoc test_#t~nondet10; 327#L124 assume 0 != test_~tmp___2~0; 314#L130-2 assume !(0 != ~pumpRunning~0); 257#L165 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 258#L223 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret12, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 259#L197-1 assume !(0 == ~pumpRunning~0); 260#L172 havoc __utac_acc__Specification4_spec__1_#t~ret78, __utac_acc__Specification4_spec__1_#t~ret79, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 328#L517 __utac_acc__Specification4_spec__1_#t~ret78 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret78;havoc __utac_acc__Specification4_spec__1_#t~ret78; 269#L910 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 264#L910-1 [2021-10-13 01:03:50,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:03:50,720 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-10-13 01:03:50,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:03:50,721 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515574211] [2021-10-13 01:03:50,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:03:50,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:03:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:03:50,781 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:03:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:03:50,858 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:03:50,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:03:50,860 INFO L82 PathProgramCache]: Analyzing trace with hash -2003597159, now seen corresponding path program 1 times [2021-10-13 01:03:50,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:03:50,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594609457] [2021-10-13 01:03:50,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:03:50,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:03:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:03:50,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:03:50,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:03:50,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594609457] [2021-10-13 01:03:50,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594609457] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:03:50,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:03:50,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:03:50,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51444773] [2021-10-13 01:03:50,931 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 01:03:50,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:03:50,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 01:03:50,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 01:03:50,934 INFO L87 Difference]: Start difference. First operand 101 states and 147 transitions. cyclomatic complexity: 48 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-10-13 01:03:51,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:03:51,112 INFO L93 Difference]: Finished difference Result 142 states and 195 transitions. [2021-10-13 01:03:51,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 01:03:51,113 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 195 transitions. [2021-10-13 01:03:51,119 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2021-10-13 01:03:51,122 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 142 states and 195 transitions. [2021-10-13 01:03:51,122 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 142 [2021-10-13 01:03:51,123 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 142 [2021-10-13 01:03:51,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 142 states and 195 transitions. [2021-10-13 01:03:51,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:03:51,125 INFO L681 BuchiCegarLoop]: Abstraction has 142 states and 195 transitions. [2021-10-13 01:03:51,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states and 195 transitions. [2021-10-13 01:03:51,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-10-13 01:03:51,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 142 states have (on average 1.3732394366197183) internal successors, (195), 141 states have internal predecessors, (195), 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) [2021-10-13 01:03:51,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 195 transitions. [2021-10-13 01:03:51,149 INFO L704 BuchiCegarLoop]: Abstraction has 142 states and 195 transitions. [2021-10-13 01:03:51,149 INFO L587 BuchiCegarLoop]: Abstraction has 142 states and 195 transitions. [2021-10-13 01:03:51,149 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 01:03:51,149 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 142 states and 195 transitions. [2021-10-13 01:03:51,151 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2021-10-13 01:03:51,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:03:51,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:03:51,158 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:03:51,158 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:03:51,159 INFO L791 eck$LassoCheckResult]: Stem: 587#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(13);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string36.base, #t~string36.offset, 1);call write~init~int(77, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(101, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(116, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(104, #t~string36.base, 4 + #t~string36.offset, 1);call write~init~int(58, #t~string36.base, 5 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 6 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string38.base, #t~string38.offset, 1);call write~init~int(82, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(73, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(84, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 4 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(75, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string42.base, #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 1 + #t~string42.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 548#L-1 havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 549#L67 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 570#L75 main_#t~ret32 := valid_product_#res;main_~tmp~4 := main_#t~ret32;havoc main_#t~ret32; 515#L418 assume 0 != main_~tmp~4; 516#L395 havoc test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 511#L910-1 [2021-10-13 01:03:51,161 INFO L793 eck$LassoCheckResult]: Loop: 511#L910-1 assume !false; 512#L95 assume test_~splverifierCounter~0 < 4; 583#L96 test_~tmp~0 := test_#t~nondet8;havoc test_#t~nondet8; 518#L104 assume !(0 != test_~tmp~0); 520#L104-1 test_~tmp___0~0 := test_#t~nondet9;havoc test_#t~nondet9; 562#L114 assume !(0 != test_~tmp___0~0); 542#L114-1 test_~tmp___2~0 := test_#t~nondet10;havoc test_#t~nondet10; 580#L124 assume 0 != test_~tmp___2~0; 566#L130-2 assume !(0 != ~pumpRunning~0); 505#L165 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 506#L223 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret12, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 507#L197-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret31, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 508#L525-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 554#L530-1 isHighWaterLevel_#t~ret31 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret31;havoc isHighWaterLevel_#t~ret31; 579#L325-3 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; 590#L325-5 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 534#L331-1 processEnvironment__wrappee__highWaterSensor_#t~ret12 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret12;havoc processEnvironment__wrappee__highWaterSensor_#t~ret12; 535#L201-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); 572#L172 havoc __utac_acc__Specification4_spec__1_#t~ret78, __utac_acc__Specification4_spec__1_#t~ret79, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 581#L517 __utac_acc__Specification4_spec__1_#t~ret78 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret78;havoc __utac_acc__Specification4_spec__1_#t~ret78; 517#L910 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 511#L910-1 [2021-10-13 01:03:51,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:03:51,162 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2021-10-13 01:03:51,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:03:51,162 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777671542] [2021-10-13 01:03:51,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:03:51,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:03:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:03:51,254 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:03:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:03:51,329 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:03:51,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:03:51,330 INFO L82 PathProgramCache]: Analyzing trace with hash 456147493, now seen corresponding path program 1 times [2021-10-13 01:03:51,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:03:51,331 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614647175] [2021-10-13 01:03:51,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:03:51,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:03:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:03:51,345 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:03:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:03:51,366 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:03:51,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:03:51,367 INFO L82 PathProgramCache]: Analyzing trace with hash 912218687, now seen corresponding path program 1 times [2021-10-13 01:03:51,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:03:51,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033672562] [2021-10-13 01:03:51,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:03:51,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:03:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:03:51,445 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:03:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:03:51,528 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:05:09,773 WARN L207 SmtUtils]: Spent 1.30 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-13 01:06:18,676 WARN L207 SmtUtils]: Spent 33.59 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-13 01:06:18,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:06:18 BoogieIcfgContainer [2021-10-13 01:06:18,847 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:06:18,848 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:06:18,848 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:06:18,849 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:06:18,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:03:49" (3/4) ... [2021-10-13 01:06:18,852 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-13 01:06:18,910 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec8f568-5af1-4cbb-8fed-ab64e7e0b33f/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 01:06:18,910 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:06:18,912 INFO L168 Benchmark]: Toolchain (without parser) took 152049.95 ms. Allocated memory was 130.0 MB in the beginning and 157.3 MB in the end (delta: 27.3 MB). Free memory was 91.1 MB in the beginning and 60.6 MB in the end (delta: 30.5 MB). Peak memory consumption was 57.0 MB. Max. memory is 16.1 GB. [2021-10-13 01:06:18,912 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 130.0 MB. Free memory was 103.7 MB in the beginning and 103.7 MB in the end (delta: 28.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:06:18,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.10 ms. Allocated memory is still 130.0 MB. Free memory was 90.8 MB in the beginning and 94.8 MB in the end (delta: -3.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:06:18,914 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.99 ms. Allocated memory is still 130.0 MB. Free memory was 94.8 MB in the beginning and 91.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:06:18,914 INFO L168 Benchmark]: Boogie Preprocessor took 63.41 ms. Allocated memory is still 130.0 MB. Free memory was 91.4 MB in the beginning and 89.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:06:18,915 INFO L168 Benchmark]: RCFGBuilder took 1378.33 ms. Allocated memory is still 130.0 MB. Free memory was 89.3 MB in the beginning and 49.4 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-13 01:06:18,915 INFO L168 Benchmark]: BuchiAutomizer took 149769.32 ms. Allocated memory was 130.0 MB in the beginning and 157.3 MB in the end (delta: 27.3 MB). Free memory was 48.7 MB in the beginning and 62.6 MB in the end (delta: -13.8 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.1 GB. [2021-10-13 01:06:18,916 INFO L168 Benchmark]: Witness Printer took 62.34 ms. Allocated memory is still 157.3 MB. Free memory was 62.6 MB in the beginning and 60.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:06:18,920 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 130.0 MB. Free memory was 103.7 MB in the beginning and 103.7 MB in the end (delta: 28.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 663.10 ms. Allocated memory is still 130.0 MB. Free memory was 90.8 MB in the beginning and 94.8 MB in the end (delta: -3.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.99 ms. Allocated memory is still 130.0 MB. Free memory was 94.8 MB in the beginning and 91.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.41 ms. Allocated memory is still 130.0 MB. Free memory was 91.4 MB in the beginning and 89.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1378.33 ms. Allocated memory is still 130.0 MB. Free memory was 89.3 MB in the beginning and 49.4 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 149769.32 ms. Allocated memory was 130.0 MB in the beginning and 157.3 MB in the end (delta: 27.3 MB). Free memory was 48.7 MB in the beginning and 62.6 MB in the end (delta: -13.8 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.1 GB. * Witness Printer took 62.34 ms. Allocated memory is still 157.3 MB. Free memory was 62.6 MB in the beginning and 60.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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 6 locations. The remainder module has 142 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 149.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 148.8s. Construction of modules took 0.3s. 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 48.5ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 142 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 298 SDtfs, 557 SDslu, 59 SDs, 0 SdLazy, 38 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 345.6ms Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 94]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=27407} State at position 1 is {NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75ba7df3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4af386db=0, NULL=27407, NULL=56934, NULL=0, NULL=56937, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1dc2d0a1=0, retValue_acc=0, tmp___1=0, NULL=0, NULL=27408, NULL=56924, cleanupTimeShifts=4, tmp=0, NULL=56922, waterLevel=1, NULL=0, NULL=0, tmp___0=0, \result=1, head=0, pumpRunning=0, retValue_acc=1, NULL=56927, tmp=1, NULL=0, NULL=0, NULL=0, \result=1, NULL=56920, NULL=0, NULL=0, tmp=1, NULL=56936, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34d6da3=0, retValue_acc=1, tmp=1, NULL=0, NULL=56929, NULL=56925, NULL=53729, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43100b12=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23f0d139=0, head=0, NULL=0, NULL=0, NULL=53728, NULL=56921, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1dcea323=0, retValue_acc=0, NULL=0, NULL=56935, NULL=56919, NULL=56931, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ff20da=64, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12e846a8=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@242fc6dc=0, NULL=0, NULL=0, NULL=0, NULL=56930, tmp=0, NULL=56926, tmp___0=0, NULL=0, systemActive=1, \result=1, \result=0, NULL=27411, NULL=27409, \result=0, NULL=56932, NULL=0, NULL=0, NULL=56923, NULL=27410, retValue_acc=1, tmp___2=64, splverifierCounter=0, NULL=0, NULL=56928, NULL=56938, NULL=0, NULL=0, NULL=27412, NULL=0, NULL=53730, NULL=56933} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L157] int pumpRunning = 0; [L158] int systemActive = 1; [L336] int cleanupTimeShifts = 4; [L442] int waterLevel = 1; [L443] int methaneLevelCritical = 0; [L705] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L409] int retValue_acc ; [L410] int tmp ; [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); [L416] tmp = valid_product() [L418] COND TRUE \read(tmp) [L85] int splverifierCounter ; [L86] int tmp ; [L87] int tmp___0 ; [L88] int tmp___1 ; [L89] int tmp___2 ; [L92] splverifierCounter = 0 Loop: [L94] COND TRUE 1 [L96] COND TRUE splverifierCounter < 4 [L102] tmp = __VERIFIER_nondet_int() [L104] COND FALSE !(\read(tmp)) [L112] tmp___0 = __VERIFIER_nondet_int() [L114] COND FALSE !(\read(tmp___0)) [L122] tmp___2 = __VERIFIER_nondet_int() [L124] COND TRUE \read(tmp___2) [L165] COND FALSE !(\read(pumpRunning)) [L172] COND TRUE \read(systemActive) [L220] int tmp ; [L223] COND FALSE !(\read(pumpRunning)) [L194] int tmp ; [L197] COND TRUE ! pumpRunning [L317] int retValue_acc ; [L318] int tmp ; [L319] int tmp___0 ; [L522] int retValue_acc ; [L525] COND TRUE waterLevel < 2 [L526] retValue_acc = 1 [L527] return (retValue_acc); [L323] tmp = isHighWaterSensorDry() [L325] COND TRUE \read(tmp) [L326] tmp___0 = 0 [L330] retValue_acc = tmp___0 [L331] return (retValue_acc); [L199] tmp = isHighWaterLevel() [L201] COND FALSE !(\read(tmp)) [L903] int tmp ; [L904] int tmp___0 ; [L513] int retValue_acc ; [L516] retValue_acc = waterLevel [L517] return (retValue_acc); [L908] tmp = getWaterLevel() [L910] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 01:06:18,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec8f568-5af1-4cbb-8fed-ab64e7e0b33f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...