./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d92a2-03b2-427f-ba6b-47d6c01fe6a4/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d92a2-03b2-427f-ba6b-47d6c01fe6a4/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_934d92a2-03b2-427f-ba6b-47d6c01fe6a4/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d92a2-03b2-427f-ba6b-47d6c01fe6a4/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d92a2-03b2-427f-ba6b-47d6c01fe6a4/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_934d92a2-03b2-427f-ba6b-47d6c01fe6a4/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 38e7b274bf01bc93682679c1667a8f3cd31c3ce4f0d8668fbdf6f2f9baca870a --- 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 18:01:43,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:01:43,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:01:43,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:01:43,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:01:43,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:01:43,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:01:43,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:01:43,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:01:43,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:01:43,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:01:43,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:01:43,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:01:43,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:01:43,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:01:43,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:01:43,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:01:43,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:01:43,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:01:43,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:01:43,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:01:43,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:01:43,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:01:43,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:01:43,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:01:43,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:01:43,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:01:43,338 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:01:43,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:01:43,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:01:43,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:01:43,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:01:43,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:01:43,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:01:43,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:01:43,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:01:43,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:01:43,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:01:43,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:01:43,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:01:43,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:01:43,346 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d92a2-03b2-427f-ba6b-47d6c01fe6a4/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 18:01:43,374 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:01:43,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:01:43,374 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:01:43,375 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:01:43,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:01:43,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:01:43,376 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:01:43,376 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 18:01:43,376 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 18:01:43,376 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 18:01:43,377 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 18:01:43,377 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 18:01:43,377 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 18:01:43,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:01:43,377 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 18:01:43,377 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:01:43,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:01:43,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 18:01:43,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:01:43,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 18:01:43,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 18:01:43,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 18:01:43,378 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 18:01:43,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:01:43,379 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 18:01:43,379 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:01:43,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 18:01:43,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:01:43,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:01:43,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:01:43,380 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:01:43,381 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 18:01:43,381 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_934d92a2-03b2-427f-ba6b-47d6c01fe6a4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d92a2-03b2-427f-ba6b-47d6c01fe6a4/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38e7b274bf01bc93682679c1667a8f3cd31c3ce4f0d8668fbdf6f2f9baca870a [2022-12-13 18:01:43,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:01:43,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:01:43,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:01:43,581 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:01:43,582 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:01:43,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d92a2-03b2-427f-ba6b-47d6c01fe6a4/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2022-12-13 18:01:46,196 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:01:46,370 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:01:46,370 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d92a2-03b2-427f-ba6b-47d6c01fe6a4/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2022-12-13 18:01:46,378 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d92a2-03b2-427f-ba6b-47d6c01fe6a4/bin/uautomizer-uyxdKDjOR8/data/1b34f3c10/711c239294ba412982654553d64b4212/FLAG92b611d94 [2022-12-13 18:01:46,388 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d92a2-03b2-427f-ba6b-47d6c01fe6a4/bin/uautomizer-uyxdKDjOR8/data/1b34f3c10/711c239294ba412982654553d64b4212 [2022-12-13 18:01:46,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:01:46,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:01:46,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:01:46,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:01:46,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:01:46,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:01:46" (1/1) ... [2022-12-13 18:01:46,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689bcf18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:46, skipping insertion in model container [2022-12-13 18:01:46,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:01:46" (1/1) ... [2022-12-13 18:01:46,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:01:46,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:01:46,619 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_934d92a2-03b2-427f-ba6b-47d6c01fe6a4/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11718,11731] [2022-12-13 18:01:46,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:01:46,655 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:01:46,688 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_934d92a2-03b2-427f-ba6b-47d6c01fe6a4/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11718,11731] [2022-12-13 18:01:46,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:01:46,708 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:01:46,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:46 WrapperNode [2022-12-13 18:01:46,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:01:46,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:01:46,710 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:01:46,710 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:01:46,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:46" (1/1) ... [2022-12-13 18:01:46,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:46" (1/1) ... [2022-12-13 18:01:46,740 INFO L138 Inliner]: procedures = 51, calls = 91, calls flagged for inlining = 44, calls inlined = 33, statements flattened = 225 [2022-12-13 18:01:46,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:01:46,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:01:46,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:01:46,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:01:46,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:46" (1/1) ... [2022-12-13 18:01:46,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:46" (1/1) ... [2022-12-13 18:01:46,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:46" (1/1) ... [2022-12-13 18:01:46,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:46" (1/1) ... [2022-12-13 18:01:46,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:46" (1/1) ... [2022-12-13 18:01:46,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:46" (1/1) ... [2022-12-13 18:01:46,756 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:46" (1/1) ... [2022-12-13 18:01:46,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:46" (1/1) ... [2022-12-13 18:01:46,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:01:46,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:01:46,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:01:46,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:01:46,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:46" (1/1) ... [2022-12-13 18:01:46,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:01:46,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d92a2-03b2-427f-ba6b-47d6c01fe6a4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:01:46,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d92a2-03b2-427f-ba6b-47d6c01fe6a4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:01:46,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d92a2-03b2-427f-ba6b-47d6c01fe6a4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 18:01:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:01:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:01:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:01:46,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:01:46,882 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:01:46,884 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:01:47,043 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:01:47,050 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:01:47,050 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 18:01:47,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:01:47 BoogieIcfgContainer [2022-12-13 18:01:47,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:01:47,053 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 18:01:47,053 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 18:01:47,057 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 18:01:47,058 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:01:47,058 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 06:01:46" (1/3) ... [2022-12-13 18:01:47,059 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ec61a4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 06:01:47, skipping insertion in model container [2022-12-13 18:01:47,059 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:01:47,059 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:46" (2/3) ... [2022-12-13 18:01:47,059 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ec61a4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 06:01:47, skipping insertion in model container [2022-12-13 18:01:47,059 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:01:47,060 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:01:47" (3/3) ... [2022-12-13 18:01:47,061 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2022-12-13 18:01:47,109 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 18:01:47,109 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 18:01:47,109 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 18:01:47,109 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 18:01:47,109 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 18:01:47,109 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 18:01:47,109 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 18:01:47,110 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 18:01:47,113 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 75 states have internal predecessors, (103), 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 18:01:47,127 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2022-12-13 18:01:47,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:01:47,128 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:01:47,131 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:01:47,131 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 18:01:47,131 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 18:01:47,132 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 75 states have internal predecessors, (103), 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 18:01:47,136 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2022-12-13 18:01:47,136 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:01:47,136 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:01:47,137 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:01:47,137 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 18:01:47,141 INFO L748 eck$LassoCheckResult]: Stem: 38#$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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 46#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 30#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 42#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 25#valid_product_returnLabel#1true main_#t~ret29#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 44#L544true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 5#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 49#L707-2true [2022-12-13 18:01:47,142 INFO L750 eck$LassoCheckResult]: Loop: 49#L707-2true assume !false; 14#L708true assume test_~splverifierCounter~0#1 < 4; 51#L709true test_~tmp~6#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 23#L717true assume !(0 != test_~tmp~6#1); 40#L717-2true test_~tmp___0~1#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 18#L727true assume !(0 != test_~tmp___0~1#1); 36#L727-2true test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 32#L737true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 61#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 53#L745-2true assume { :begin_inline_timeShift } true; 60#L571true assume !(0 != ~pumpRunning~0); 41#L571-2true assume !(0 != ~systemActive~0); 52#L578-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 69#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 7#L61true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 48#L61-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 70#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 49#L707-2true [2022-12-13 18:01:47,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:01:47,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-12-13 18:01:47,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:01:47,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589207697] [2022-12-13 18:01:47,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:01:47,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:01:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:01:47,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:01:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:01:47,286 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:01:47,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:01:47,289 INFO L85 PathProgramCache]: Analyzing trace with hash 289308929, now seen corresponding path program 1 times [2022-12-13 18:01:47,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:01:47,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902384298] [2022-12-13 18:01:47,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:01:47,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:01:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:47,364 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 18:01:47,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:01:47,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902384298] [2022-12-13 18:01:47,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902384298] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:01:47,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:01:47,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:01:47,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651705320] [2022-12-13 18:01:47,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:01:47,369 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 18:01:47,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:01:47,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:01:47,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:01:47,400 INFO L87 Difference]: Start difference. First operand has 76 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 75 states have internal predecessors, (103), 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 18:01:47,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:01:47,429 INFO L93 Difference]: Finished difference Result 73 states and 90 transitions. [2022-12-13 18:01:47,431 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 90 transitions. [2022-12-13 18:01:47,433 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2022-12-13 18:01:47,437 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 63 states and 79 transitions. [2022-12-13 18:01:47,438 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2022-12-13 18:01:47,438 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 63 [2022-12-13 18:01:47,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 79 transitions. [2022-12-13 18:01:47,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:01:47,439 INFO L218 hiAutomatonCegarLoop]: Abstraction has 63 states and 79 transitions. [2022-12-13 18:01:47,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 79 transitions. [2022-12-13 18:01:47,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-12-13 18:01:47,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.253968253968254) internal successors, (79), 62 states have internal predecessors, (79), 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 18:01:47,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2022-12-13 18:01:47,463 INFO L240 hiAutomatonCegarLoop]: Abstraction has 63 states and 79 transitions. [2022-12-13 18:01:47,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:01:47,468 INFO L428 stractBuchiCegarLoop]: Abstraction has 63 states and 79 transitions. [2022-12-13 18:01:47,468 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 18:01:47,468 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 79 transitions. [2022-12-13 18:01:47,469 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2022-12-13 18:01:47,470 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:01:47,470 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:01:47,470 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:01:47,470 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:01:47,471 INFO L748 eck$LassoCheckResult]: Stem: 204#$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);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 205#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 198#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 199#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~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 194#valid_product_returnLabel#1 main_#t~ret29#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 195#L544 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 158#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 159#L707-2 [2022-12-13 18:01:47,471 INFO L750 eck$LassoCheckResult]: Loop: 159#L707-2 assume !false; 173#L708 assume test_~splverifierCounter~0#1 < 4; 174#L709 test_~tmp~6#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 188#L717 assume !(0 != test_~tmp~6#1); 190#L717-2 test_~tmp___0~1#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 180#L727 assume !(0 != test_~tmp___0~1#1); 182#L727-2 test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 200#L737 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 201#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 172#L745-2 assume { :begin_inline_timeShift } true; 216#L571 assume !(0 != ~pumpRunning~0); 207#L571-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 192#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 193#L578-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 214#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 160#L61 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 161#L61-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 212#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 159#L707-2 [2022-12-13 18:01:47,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:01:47,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-12-13 18:01:47,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:01:47,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965554213] [2022-12-13 18:01:47,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:01:47,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:01:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:01:47,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:01:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:01:47,494 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:01:47,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:01:47,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1006721862, now seen corresponding path program 1 times [2022-12-13 18:01:47,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:01:47,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907239825] [2022-12-13 18:01:47,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:01:47,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:01:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:01:47,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:01:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:01:47,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:01:47,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:01:47,512 INFO L85 PathProgramCache]: Analyzing trace with hash -2105604086, now seen corresponding path program 1 times [2022-12-13 18:01:47,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:01:47,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396984001] [2022-12-13 18:01:47,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:01:47,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:01:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:01:47,535 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:01:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:01:47,550 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:01:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:01:48,290 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:01:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:01:48,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 06:01:48 BoogieIcfgContainer [2022-12-13 18:01:48,329 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 18:01:48,329 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:01:48,329 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:01:48,329 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:01:48,330 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:01:47" (3/4) ... [2022-12-13 18:01:48,331 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 18:01:48,361 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d92a2-03b2-427f-ba6b-47d6c01fe6a4/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:01:48,361 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:01:48,362 INFO L158 Benchmark]: Toolchain (without parser) took 1969.71ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 117.7MB in the beginning and 90.8MB in the end (delta: 26.9MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. [2022-12-13 18:01:48,362 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 155.2MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:01:48,362 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.52ms. Allocated memory is still 155.2MB. Free memory was 117.7MB in the beginning and 99.8MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 18:01:48,363 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.08ms. Allocated memory is still 155.2MB. Free memory was 99.8MB in the beginning and 97.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:01:48,363 INFO L158 Benchmark]: Boogie Preprocessor took 17.02ms. Allocated memory is still 155.2MB. Free memory was 97.7MB in the beginning and 96.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:01:48,363 INFO L158 Benchmark]: RCFGBuilder took 293.80ms. Allocated memory is still 155.2MB. Free memory was 96.2MB in the beginning and 81.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 18:01:48,364 INFO L158 Benchmark]: BuchiAutomizer took 1275.59ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 81.5MB in the beginning and 93.9MB in the end (delta: -12.4MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2022-12-13 18:01:48,364 INFO L158 Benchmark]: Witness Printer took 32.23ms. Allocated memory is still 201.3MB. Free memory was 93.9MB in the beginning and 90.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:01:48,366 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 155.2MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.52ms. Allocated memory is still 155.2MB. Free memory was 117.7MB in the beginning and 99.8MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.08ms. Allocated memory is still 155.2MB. Free memory was 99.8MB in the beginning and 97.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.02ms. Allocated memory is still 155.2MB. Free memory was 97.7MB in the beginning and 96.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 293.80ms. Allocated memory is still 155.2MB. Free memory was 96.2MB in the beginning and 81.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 1275.59ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 81.5MB in the beginning and 93.9MB in the end (delta: -12.4MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. * Witness Printer took 32.23ms. Allocated memory is still 201.3MB. Free memory was 93.9MB in the beginning and 90.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 63 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 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, 85 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 87 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 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: 707]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L248] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L564] int pumpRunning = 0; [L565] int systemActive = 1; [L764] int waterLevel = 1; [L765] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L535] int retValue_acc ; [L536] int tmp ; [L540] FCALL select_helpers() [L541] FCALL select_features() [L542] CALL, EXPR valid_product() [L870] int retValue_acc ; [L873] retValue_acc = 1 [L874] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L542] RET, EXPR valid_product() [L542] tmp = valid_product() [L544] COND TRUE \read(tmp) [L546] FCALL setup() [L547] CALL runTest() [L526] CALL test() [L698] int splverifierCounter ; [L699] int tmp ; [L700] int tmp___0 ; [L701] int tmp___1 ; [L702] int tmp___2 ; [L705] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L707] COND TRUE 1 [L709] COND TRUE splverifierCounter < 4 [L715] tmp = __VERIFIER_nondet_int() [L717] COND FALSE !(\read(tmp)) [L725] tmp___0 = __VERIFIER_nondet_int() [L727] COND FALSE !(\read(tmp___0)) [L735] tmp___2 = __VERIFIER_nondet_int() [L737] COND TRUE \read(tmp___2) [L739] CALL startSystem() [L692] systemActive = 1 [L739] RET startSystem() [L752] CALL timeShift() [L571] COND FALSE !(\read(pumpRunning)) [L578] COND TRUE \read(systemActive) [L580] FCALL processEnvironment() [L586] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L835] int retValue_acc ; [L838] retValue_acc = waterLevel [L839] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L586] RET __utac_acc__Specification4_spec__1() [L752] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 707]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L248] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L564] int pumpRunning = 0; [L565] int systemActive = 1; [L764] int waterLevel = 1; [L765] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L535] int retValue_acc ; [L536] int tmp ; [L540] FCALL select_helpers() [L541] FCALL select_features() [L542] CALL, EXPR valid_product() [L870] int retValue_acc ; [L873] retValue_acc = 1 [L874] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L542] RET, EXPR valid_product() [L542] tmp = valid_product() [L544] COND TRUE \read(tmp) [L546] FCALL setup() [L547] CALL runTest() [L526] CALL test() [L698] int splverifierCounter ; [L699] int tmp ; [L700] int tmp___0 ; [L701] int tmp___1 ; [L702] int tmp___2 ; [L705] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L707] COND TRUE 1 [L709] COND TRUE splverifierCounter < 4 [L715] tmp = __VERIFIER_nondet_int() [L717] COND FALSE !(\read(tmp)) [L725] tmp___0 = __VERIFIER_nondet_int() [L727] COND FALSE !(\read(tmp___0)) [L735] tmp___2 = __VERIFIER_nondet_int() [L737] COND TRUE \read(tmp___2) [L739] CALL startSystem() [L692] systemActive = 1 [L739] RET startSystem() [L752] CALL timeShift() [L571] COND FALSE !(\read(pumpRunning)) [L578] COND TRUE \read(systemActive) [L580] FCALL processEnvironment() [L586] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L835] int retValue_acc ; [L838] retValue_acc = waterLevel [L839] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L586] RET __utac_acc__Specification4_spec__1() [L752] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 18:01:48,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934d92a2-03b2-427f-ba6b-47d6c01fe6a4/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)