./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.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_c5514463-8910-48c2-a856-9ff8e0f43982/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5514463-8910-48c2-a856-9ff8e0f43982/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_c5514463-8910-48c2-a856-9ff8e0f43982/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5514463-8910-48c2-a856-9ff8e0f43982/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5514463-8910-48c2-a856-9ff8e0f43982/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_c5514463-8910-48c2-a856-9ff8e0f43982/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 355b5902b5f931f50c54d9516b33231d0a6419b36d45cf753c504688535a3e74 --- 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 18:52:27,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:52:27,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:52:27,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:52:27,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:52:27,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:52:27,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:52:27,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:52:27,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:52:27,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:52:27,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:52:27,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:52:27,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:52:27,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:52:27,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:52:27,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:52:27,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:52:27,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:52:27,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:52:27,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:52:27,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:52:27,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:52:27,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:52:27,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:52:27,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:52:27,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:52:27,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:52:27,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:52:27,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:52:27,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:52:27,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:52:27,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:52:27,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:52:27,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:52:27,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:52:27,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:52:27,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:52:27,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:52:27,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:52:27,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:52:27,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:52:27,122 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5514463-8910-48c2-a856-9ff8e0f43982/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 18:52:27,142 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:52:27,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:52:27,143 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:52:27,143 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:52:27,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:52:27,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:52:27,154 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:52:27,154 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 18:52:27,154 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 18:52:27,154 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 18:52:27,154 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 18:52:27,154 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 18:52:27,155 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 18:52:27,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:52:27,155 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 18:52:27,155 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:52:27,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:52:27,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 18:52:27,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:52:27,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 18:52:27,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 18:52:27,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 18:52:27,156 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 18:52:27,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:52:27,157 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 18:52:27,157 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:52:27,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 18:52:27,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:52:27,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:52:27,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:52:27,158 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:52:27,159 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 18:52:27,159 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_c5514463-8910-48c2-a856-9ff8e0f43982/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5514463-8910-48c2-a856-9ff8e0f43982/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 355b5902b5f931f50c54d9516b33231d0a6419b36d45cf753c504688535a3e74 [2022-12-13 18:52:27,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:52:27,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:52:27,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:52:27,398 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:52:27,399 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:52:27,400 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5514463-8910-48c2-a856-9ff8e0f43982/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2022-12-13 18:52:30,090 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:52:30,277 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:52:30,277 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5514463-8910-48c2-a856-9ff8e0f43982/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2022-12-13 18:52:30,286 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5514463-8910-48c2-a856-9ff8e0f43982/bin/uautomizer-uyxdKDjOR8/data/facda5cb4/f48c1dbe5f124899a353495c59e5e919/FLAG7f70616ac [2022-12-13 18:52:30,297 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5514463-8910-48c2-a856-9ff8e0f43982/bin/uautomizer-uyxdKDjOR8/data/facda5cb4/f48c1dbe5f124899a353495c59e5e919 [2022-12-13 18:52:30,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:52:30,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:52:30,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:52:30,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:52:30,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:52:30,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:52:30" (1/1) ... [2022-12-13 18:52:30,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f2d4f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:30, skipping insertion in model container [2022-12-13 18:52:30,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:52:30" (1/1) ... [2022-12-13 18:52:30,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:52:30,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:52:30,450 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_c5514463-8910-48c2-a856-9ff8e0f43982/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c[1605,1618] [2022-12-13 18:52:30,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:52:30,520 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:52:30,529 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_c5514463-8910-48c2-a856-9ff8e0f43982/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c[1605,1618] [2022-12-13 18:52:30,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:52:30,574 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:52:30,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:30 WrapperNode [2022-12-13 18:52:30,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:52:30,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:52:30,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:52:30,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:52:30,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:30" (1/1) ... [2022-12-13 18:52:30,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:30" (1/1) ... [2022-12-13 18:52:30,606 INFO L138 Inliner]: procedures = 50, calls = 90, calls flagged for inlining = 43, calls inlined = 34, statements flattened = 229 [2022-12-13 18:52:30,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:52:30,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:52:30,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:52:30,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:52:30,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:30" (1/1) ... [2022-12-13 18:52:30,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:30" (1/1) ... [2022-12-13 18:52:30,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:30" (1/1) ... [2022-12-13 18:52:30,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:30" (1/1) ... [2022-12-13 18:52:30,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:30" (1/1) ... [2022-12-13 18:52:30,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:30" (1/1) ... [2022-12-13 18:52:30,622 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:30" (1/1) ... [2022-12-13 18:52:30,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:30" (1/1) ... [2022-12-13 18:52:30,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:52:30,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:52:30,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:52:30,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:52:30,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:30" (1/1) ... [2022-12-13 18:52:30,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:52:30,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5514463-8910-48c2-a856-9ff8e0f43982/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:52:30,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5514463-8910-48c2-a856-9ff8e0f43982/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:52:30,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5514463-8910-48c2-a856-9ff8e0f43982/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 18:52:30,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:52:30,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:52:30,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:52:30,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:52:30,737 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:52:30,739 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:52:30,896 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:52:30,903 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:52:30,904 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 18:52:30,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:52:30 BoogieIcfgContainer [2022-12-13 18:52:30,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:52:30,907 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 18:52:30,907 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 18:52:30,911 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 18:52:30,912 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:52:30,912 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 06:52:30" (1/3) ... [2022-12-13 18:52:30,913 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@425ffd7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 06:52:30, skipping insertion in model container [2022-12-13 18:52:30,913 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:52:30,914 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:52:30" (2/3) ... [2022-12-13 18:52:30,914 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@425ffd7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 06:52:30, skipping insertion in model container [2022-12-13 18:52:30,914 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:52:30,914 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:52:30" (3/3) ... [2022-12-13 18:52:30,916 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2022-12-13 18:52:30,969 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 18:52:30,970 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 18:52:30,970 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 18:52:30,970 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 18:52:30,970 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 18:52:30,970 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 18:52:30,970 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 18:52:30,970 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 18:52:30,975 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 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 18:52:30,998 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2022-12-13 18:52:30,998 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:52:30,998 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:52:31,005 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:52:31,006 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:52:31,006 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 18:52:31,006 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 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 18:52:31,012 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2022-12-13 18:52:31,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:52:31,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:52:31,013 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:52:31,013 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:52:31,017 INFO L748 eck$LassoCheckResult]: Stem: 37#$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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 44#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 32#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 28#valid_product_returnLabel#1true main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 60#L854true assume 0 != main_~tmp~5#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~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 22#L478-2true [2022-12-13 18:52:31,018 INFO L750 eck$LassoCheckResult]: Loop: 22#L478-2true assume !false; 77#L479true assume test_~splverifierCounter~0#1 < 4; 52#L480true test_~tmp~3#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 74#L488true assume !(0 != test_~tmp~3#1); 43#L488-2true test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 25#L498true assume !(0 != test_~tmp___0~0#1); 68#L498-2true test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 38#L508true assume 0 != test_~tmp___2~0#1; 79#L514-2true assume { :begin_inline_timeShift } true; 75#L550true assume !(0 != ~pumpRunning~0); 23#L550-2true assume !(0 != ~systemActive~0); 20#L557-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_#t~ret47#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 69#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret46#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret46#1;havoc __utac_acc__Specification4_spec__1_#t~ret46#1; 7#L754true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 16#L754-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 70#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 22#L478-2true [2022-12-13 18:52:31,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:52:31,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-12-13 18:52:31,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:52:31,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534126487] [2022-12-13 18:52:31,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:52:31,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:52:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:52:31,113 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:52:31,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:52:31,146 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:52:31,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:52:31,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1802262020, now seen corresponding path program 1 times [2022-12-13 18:52:31,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:52:31,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855554878] [2022-12-13 18:52:31,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:52:31,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:52:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:52:31,156 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:52:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:52:31,162 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:52:31,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:52:31,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1137286200, now seen corresponding path program 1 times [2022-12-13 18:52:31,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:52:31,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716750867] [2022-12-13 18:52:31,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:52:31,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:52:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:52:31,343 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 18:52:31,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:52:31,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716750867] [2022-12-13 18:52:31,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716750867] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:52:31,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:52:31,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:52:31,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107929365] [2022-12-13 18:52:31,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:52:31,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:52:31,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:52:31,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:52:31,475 INFO L87 Difference]: Start difference. First operand has 79 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 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 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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 18:52:31,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:52:31,562 INFO L93 Difference]: Finished difference Result 209 states and 263 transitions. [2022-12-13 18:52:31,564 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 209 states and 263 transitions. [2022-12-13 18:52:31,569 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 131 [2022-12-13 18:52:31,574 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 209 states to 179 states and 233 transitions. [2022-12-13 18:52:31,575 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2022-12-13 18:52:31,576 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179 [2022-12-13 18:52:31,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 233 transitions. [2022-12-13 18:52:31,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:52:31,578 INFO L218 hiAutomatonCegarLoop]: Abstraction has 179 states and 233 transitions. [2022-12-13 18:52:31,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 233 transitions. [2022-12-13 18:52:31,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 118. [2022-12-13 18:52:31,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 118 states have (on average 1.305084745762712) internal successors, (154), 117 states have internal predecessors, (154), 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 18:52:31,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 154 transitions. [2022-12-13 18:52:31,608 INFO L240 hiAutomatonCegarLoop]: Abstraction has 118 states and 154 transitions. [2022-12-13 18:52:31,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:52:31,611 INFO L428 stractBuchiCegarLoop]: Abstraction has 118 states and 154 transitions. [2022-12-13 18:52:31,611 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 18:52:31,612 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states and 154 transitions. [2022-12-13 18:52:31,614 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 86 [2022-12-13 18:52:31,614 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:52:31,614 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:52:31,614 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:52:31,615 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 18:52:31,615 INFO L748 eck$LassoCheckResult]: Stem: 350#$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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 351#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 344#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 345#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 342#valid_product_returnLabel#1 main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 343#L854 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 308#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 309#L478-2 [2022-12-13 18:52:31,615 INFO L750 eck$LassoCheckResult]: Loop: 309#L478-2 assume !false; 332#L479 assume test_~splverifierCounter~0#1 < 4; 360#L480 test_~tmp~3#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 361#L488 assume !(0 != test_~tmp~3#1); 317#L488-2 test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 335#L498 assume !(0 != test_~tmp___0~0#1); 337#L498-2 test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 352#L508 assume 0 != test_~tmp___2~0#1; 320#L514-2 assume { :begin_inline_timeShift } true; 372#L550 assume !(0 != ~pumpRunning~0); 324#L550-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 331#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 329#L557-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_#t~ret47#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 330#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret46#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret46#1;havoc __utac_acc__Specification4_spec__1_#t~ret46#1; 310#L754 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 311#L754-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 322#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 309#L478-2 [2022-12-13 18:52:31,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:52:31,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-12-13 18:52:31,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:52:31,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918563905] [2022-12-13 18:52:31,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:52:31,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:52:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:52:31,626 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:52:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:52:31,636 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:52:31,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:52:31,637 INFO L85 PathProgramCache]: Analyzing trace with hash 663627436, now seen corresponding path program 1 times [2022-12-13 18:52:31,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:52:31,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643005007] [2022-12-13 18:52:31,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:52:31,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:52:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:52:31,643 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:52:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:52:31,649 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:52:31,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:52:31,649 INFO L85 PathProgramCache]: Analyzing trace with hash -268054168, now seen corresponding path program 1 times [2022-12-13 18:52:31,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:52:31,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909992397] [2022-12-13 18:52:31,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:52:31,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:52:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:52:31,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:52:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:52:31,667 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:52:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:52:32,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:52:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:52:32,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 06:52:32 BoogieIcfgContainer [2022-12-13 18:52:32,381 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 18:52:32,382 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:52:32,382 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:52:32,382 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:52:32,383 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:52:30" (3/4) ... [2022-12-13 18:52:32,385 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 18:52:32,426 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5514463-8910-48c2-a856-9ff8e0f43982/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:52:32,426 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:52:32,427 INFO L158 Benchmark]: Toolchain (without parser) took 2127.59ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 111.3MB in the beginning and 115.4MB in the end (delta: -4.1MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2022-12-13 18:52:32,427 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 146.8MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:52:32,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.35ms. Allocated memory is still 146.8MB. Free memory was 111.3MB in the beginning and 93.5MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 18:52:32,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.65ms. Allocated memory is still 146.8MB. Free memory was 93.5MB in the beginning and 91.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:52:32,429 INFO L158 Benchmark]: Boogie Preprocessor took 17.37ms. Allocated memory is still 146.8MB. Free memory was 91.4MB in the beginning and 89.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:52:32,429 INFO L158 Benchmark]: RCFGBuilder took 281.16ms. Allocated memory is still 146.8MB. Free memory was 89.8MB in the beginning and 75.6MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 18:52:32,429 INFO L158 Benchmark]: BuchiAutomizer took 1474.26ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 75.1MB in the beginning and 117.5MB in the end (delta: -42.4MB). Peak memory consumption was 1.0MB. Max. memory is 16.1GB. [2022-12-13 18:52:32,430 INFO L158 Benchmark]: Witness Printer took 44.49ms. Allocated memory is still 188.7MB. Free memory was 117.5MB in the beginning and 115.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:52:32,432 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 146.8MB. Free memory is still 116.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.35ms. Allocated memory is still 146.8MB. Free memory was 111.3MB in the beginning and 93.5MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.65ms. Allocated memory is still 146.8MB. Free memory was 93.5MB in the beginning and 91.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.37ms. Allocated memory is still 146.8MB. Free memory was 91.4MB in the beginning and 89.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 281.16ms. Allocated memory is still 146.8MB. Free memory was 89.8MB in the beginning and 75.6MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 1474.26ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 75.1MB in the beginning and 117.5MB in the end (delta: -42.4MB). Peak memory consumption was 1.0MB. Max. memory is 16.1GB. * Witness Printer took 44.49ms. Allocated memory is still 188.7MB. Free memory was 117.5MB in the beginning and 115.4MB in the end (delta: 2.1MB). 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 6 locations. The remainder module has 118 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 61 StatesRemovedByMinimization, 1 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, 334 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 334 mSDsluCounter, 654 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 563 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 91 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 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: 478]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L542] int pumpRunning = 0; [L543] int systemActive = 1; [L666] int waterLevel = 1; [L667] int methaneLevelCritical = 0; [L772] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L845] int retValue_acc ; [L846] int tmp ; [L850] FCALL select_helpers() [L851] FCALL select_features() [L852] CALL, EXPR valid_product() [L454] int retValue_acc ; [L457] retValue_acc = 1 [L458] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L852] RET, EXPR valid_product() [L852] tmp = valid_product() [L854] COND TRUE \read(tmp) [L856] FCALL setup() [L857] CALL runTest() [L839] CALL test() [L469] int splverifierCounter ; [L470] int tmp ; [L471] int tmp___0 ; [L472] int tmp___1 ; [L473] int tmp___2 ; [L476] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L478] COND TRUE 1 [L480] COND TRUE splverifierCounter < 4 [L486] tmp = __VERIFIER_nondet_int() [L488] COND FALSE !(\read(tmp)) [L496] tmp___0 = __VERIFIER_nondet_int() [L498] COND FALSE !(\read(tmp___0)) [L506] tmp___2 = __VERIFIER_nondet_int() [L508] COND TRUE \read(tmp___2) [L523] CALL timeShift() [L550] COND FALSE !(\read(pumpRunning)) [L557] COND TRUE \read(systemActive) [L559] FCALL processEnvironment() [L565] CALL __utac_acc__Specification4_spec__1() [L747] int tmp ; [L748] int tmp___0 ; [L752] CALL, EXPR getWaterLevel() [L737] int retValue_acc ; [L740] retValue_acc = waterLevel [L741] return (retValue_acc); [L752] RET, EXPR getWaterLevel() [L752] tmp = getWaterLevel() [L754] COND FALSE !(tmp == 0) [L565] RET __utac_acc__Specification4_spec__1() [L523] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 478]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L542] int pumpRunning = 0; [L543] int systemActive = 1; [L666] int waterLevel = 1; [L667] int methaneLevelCritical = 0; [L772] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L845] int retValue_acc ; [L846] int tmp ; [L850] FCALL select_helpers() [L851] FCALL select_features() [L852] CALL, EXPR valid_product() [L454] int retValue_acc ; [L457] retValue_acc = 1 [L458] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L852] RET, EXPR valid_product() [L852] tmp = valid_product() [L854] COND TRUE \read(tmp) [L856] FCALL setup() [L857] CALL runTest() [L839] CALL test() [L469] int splverifierCounter ; [L470] int tmp ; [L471] int tmp___0 ; [L472] int tmp___1 ; [L473] int tmp___2 ; [L476] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L478] COND TRUE 1 [L480] COND TRUE splverifierCounter < 4 [L486] tmp = __VERIFIER_nondet_int() [L488] COND FALSE !(\read(tmp)) [L496] tmp___0 = __VERIFIER_nondet_int() [L498] COND FALSE !(\read(tmp___0)) [L506] tmp___2 = __VERIFIER_nondet_int() [L508] COND TRUE \read(tmp___2) [L523] CALL timeShift() [L550] COND FALSE !(\read(pumpRunning)) [L557] COND TRUE \read(systemActive) [L559] FCALL processEnvironment() [L565] CALL __utac_acc__Specification4_spec__1() [L747] int tmp ; [L748] int tmp___0 ; [L752] CALL, EXPR getWaterLevel() [L737] int retValue_acc ; [L740] retValue_acc = waterLevel [L741] return (retValue_acc); [L752] RET, EXPR getWaterLevel() [L752] tmp = getWaterLevel() [L754] COND FALSE !(tmp == 0) [L565] RET __utac_acc__Specification4_spec__1() [L523] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 18:52:32,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5514463-8910-48c2-a856-9ff8e0f43982/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)