./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeb24dc-44b0-45d5-8766-532ecb87142e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeb24dc-44b0-45d5-8766-532ecb87142e/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_1eeb24dc-44b0-45d5-8766-532ecb87142e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeb24dc-44b0-45d5-8766-532ecb87142e/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeb24dc-44b0-45d5-8766-532ecb87142e/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_1eeb24dc-44b0-45d5-8766-532ecb87142e/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 a318d1932a4cf515b7769fbc74b3ae8791db0dd09e5b989a4577a3be2cae3270 --- 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 13:05:26,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:05:26,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:05:26,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:05:26,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:05:26,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:05:26,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:05:26,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:05:26,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:05:26,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:05:26,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:05:26,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:05:26,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:05:26,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:05:26,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:05:26,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:05:26,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:05:26,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:05:26,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:05:26,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:05:26,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:05:26,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:05:26,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:05:26,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:05:26,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:05:26,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:05:26,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:05:26,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:05:26,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:05:26,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:05:26,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:05:26,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:05:26,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:05:26,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:05:26,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:05:26,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:05:26,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:05:26,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:05:26,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:05:26,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:05:26,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:05:26,149 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeb24dc-44b0-45d5-8766-532ecb87142e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 13:05:26,173 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:05:26,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:05:26,174 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:05:26,174 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:05:26,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:05:26,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:05:26,175 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:05:26,175 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 13:05:26,176 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 13:05:26,176 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 13:05:26,176 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 13:05:26,176 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 13:05:26,176 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 13:05:26,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:05:26,177 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 13:05:26,177 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:05:26,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:05:26,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 13:05:26,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:05:26,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 13:05:26,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 13:05:26,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 13:05:26,178 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 13:05:26,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:05:26,178 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 13:05:26,178 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:05:26,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 13:05:26,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:05:26,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:05:26,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:05:26,179 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:05:26,180 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 13:05:26,180 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_1eeb24dc-44b0-45d5-8766-532ecb87142e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeb24dc-44b0-45d5-8766-532ecb87142e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a318d1932a4cf515b7769fbc74b3ae8791db0dd09e5b989a4577a3be2cae3270 [2022-12-13 13:05:26,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:05:26,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:05:26,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:05:26,393 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:05:26,394 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:05:26,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeb24dc-44b0-45d5-8766-532ecb87142e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2022-12-13 13:05:28,956 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:05:29,096 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:05:29,096 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeb24dc-44b0-45d5-8766-532ecb87142e/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c [2022-12-13 13:05:29,103 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeb24dc-44b0-45d5-8766-532ecb87142e/bin/uautomizer-uyxdKDjOR8/data/4442ff015/769d81013fdd4bcb829243ba74803f3e/FLAGee1e7395f [2022-12-13 13:05:29,114 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeb24dc-44b0-45d5-8766-532ecb87142e/bin/uautomizer-uyxdKDjOR8/data/4442ff015/769d81013fdd4bcb829243ba74803f3e [2022-12-13 13:05:29,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:05:29,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:05:29,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:05:29,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:05:29,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:05:29,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:05:29" (1/1) ... [2022-12-13 13:05:29,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c58c05d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:29, skipping insertion in model container [2022-12-13 13:05:29,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:05:29" (1/1) ... [2022-12-13 13:05:29,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:05:29,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:05:29,307 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_1eeb24dc-44b0-45d5-8766-532ecb87142e/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c[2562,2575] [2022-12-13 13:05:29,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:05:29,369 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:05:29,379 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_1eeb24dc-44b0-45d5-8766-532ecb87142e/sv-benchmarks/c/product-lines/minepump_spec2_product13.cil.c[2562,2575] [2022-12-13 13:05:29,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:05:29,422 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:05:29,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:29 WrapperNode [2022-12-13 13:05:29,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:05:29,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:05:29,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:05:29,423 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:05:29,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:29" (1/1) ... [2022-12-13 13:05:29,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:29" (1/1) ... [2022-12-13 13:05:29,464 INFO L138 Inliner]: procedures = 52, calls = 95, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 319 [2022-12-13 13:05:29,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:05:29,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:05:29,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:05:29,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:05:29,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:29" (1/1) ... [2022-12-13 13:05:29,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:29" (1/1) ... [2022-12-13 13:05:29,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:29" (1/1) ... [2022-12-13 13:05:29,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:29" (1/1) ... [2022-12-13 13:05:29,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:29" (1/1) ... [2022-12-13 13:05:29,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:29" (1/1) ... [2022-12-13 13:05:29,487 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:29" (1/1) ... [2022-12-13 13:05:29,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:29" (1/1) ... [2022-12-13 13:05:29,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:05:29,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:05:29,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:05:29,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:05:29,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:29" (1/1) ... [2022-12-13 13:05:29,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:05:29,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeb24dc-44b0-45d5-8766-532ecb87142e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:05:29,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeb24dc-44b0-45d5-8766-532ecb87142e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:05:29,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeb24dc-44b0-45d5-8766-532ecb87142e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 13:05:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:05:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:05:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:05:29,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:05:29,622 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:05:29,624 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:05:29,844 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:05:29,850 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:05:29,850 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 13:05:29,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:05:29 BoogieIcfgContainer [2022-12-13 13:05:29,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:05:29,854 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 13:05:29,854 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 13:05:29,859 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 13:05:29,860 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 13:05:29,860 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 01:05:29" (1/3) ... [2022-12-13 13:05:29,861 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57e9286d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 01:05:29, skipping insertion in model container [2022-12-13 13:05:29,861 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 13:05:29,861 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:29" (2/3) ... [2022-12-13 13:05:29,861 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57e9286d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 01:05:29, skipping insertion in model container [2022-12-13 13:05:29,861 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 13:05:29,861 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:05:29" (3/3) ... [2022-12-13 13:05:29,863 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product13.cil.c [2022-12-13 13:05:29,910 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 13:05:29,911 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 13:05:29,911 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 13:05:29,911 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 13:05:29,911 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 13:05:29,911 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 13:05:29,911 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 13:05:29,911 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 13:05:29,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 100 states, 99 states have (on average 1.3737373737373737) internal successors, (136), 99 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:05:29,932 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2022-12-13 13:05:29,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:05:29,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:05:29,937 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:05:29,937 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 13:05:29,937 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 13:05:29,937 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 100 states, 99 states have (on average 1.3737373737373737) internal successors, (136), 99 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:05:29,942 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2022-12-13 13:05:29,942 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:05:29,942 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:05:29,943 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:05:29,943 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 13:05:29,948 INFO L748 eck$LassoCheckResult]: Stem: 22#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 27#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~7#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 19#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 77#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 66#valid_product_returnLabel#1true main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 60#L893true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 52#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 75#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 100#L64-2true [2022-12-13 13:05:29,949 INFO L750 eck$LassoCheckResult]: Loop: 100#L64-2true assume !false; 101#L65true assume test_~splverifierCounter~0#1 < 4; 26#L66true test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 54#L74true assume !(0 != test_~tmp~0#1); 79#L74-2true test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 85#L84true assume !(0 != test_~tmp___0~0#1); 21#L84-2true test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 86#L94true assume 0 != test_~tmp___2~0#1; 73#L100-2true assume { :begin_inline_timeShift } true; 72#L143true assume !(0 != ~pumpRunning~0); 13#L143-2true assume !(0 != ~systemActive~0); 12#L150-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 49#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1; 98#L788true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 69#L788-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 43#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 100#L64-2true [2022-12-13 13:05:29,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:05:29,954 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-12-13 13:05:29,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:05:29,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656307023] [2022-12-13 13:05:29,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:05:29,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:05:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:05:30,059 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:05:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:05:30,092 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:05:30,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:05:30,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1631236618, now seen corresponding path program 1 times [2022-12-13 13:05:30,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:05:30,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292083486] [2022-12-13 13:05:30,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:05:30,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:05:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:05:30,105 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:05:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:05:30,114 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:05:30,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:05:30,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1468949235, now seen corresponding path program 1 times [2022-12-13 13:05:30,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:05:30,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467884460] [2022-12-13 13:05:30,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:05:30,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:05:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:05:30,305 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 13:05:30,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:05:30,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467884460] [2022-12-13 13:05:30,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467884460] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:05:30,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:05:30,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:05:30,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143789639] [2022-12-13 13:05:30,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:05:30,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:05:30,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:05:30,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:05:30,450 INFO L87 Difference]: Start difference. First operand has 100 states, 99 states have (on average 1.3737373737373737) internal successors, (136), 99 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 13:05:30,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:05:30,502 INFO L93 Difference]: Finished difference Result 97 states and 122 transitions. [2022-12-13 13:05:30,503 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 97 states and 122 transitions. [2022-12-13 13:05:30,506 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2022-12-13 13:05:30,510 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 97 states to 87 states and 112 transitions. [2022-12-13 13:05:30,511 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 87 [2022-12-13 13:05:30,511 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 87 [2022-12-13 13:05:30,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 112 transitions. [2022-12-13 13:05:30,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:05:30,513 INFO L218 hiAutomatonCegarLoop]: Abstraction has 87 states and 112 transitions. [2022-12-13 13:05:30,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states and 112 transitions. [2022-12-13 13:05:30,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2022-12-13 13:05:30,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 87 states have (on average 1.2873563218390804) internal successors, (112), 86 states have internal predecessors, (112), 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 13:05:30,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2022-12-13 13:05:30,542 INFO L240 hiAutomatonCegarLoop]: Abstraction has 87 states and 112 transitions. [2022-12-13 13:05:30,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 13:05:30,546 INFO L428 stractBuchiCegarLoop]: Abstraction has 87 states and 112 transitions. [2022-12-13 13:05:30,546 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 13:05:30,546 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 87 states and 112 transitions. [2022-12-13 13:05:30,548 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2022-12-13 13:05:30,548 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:05:30,548 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:05:30,549 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:05:30,549 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:05:30,549 INFO L748 eck$LassoCheckResult]: Stem: 275#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 276#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~7#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 264#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 265#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 261#valid_product_returnLabel#1 main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 250#L893 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 224#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 225#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 284#L64-2 [2022-12-13 13:05:30,549 INFO L750 eck$LassoCheckResult]: Loop: 284#L64-2 assume !false; 301#L65 assume test_~splverifierCounter~0#1 < 4; 280#L66 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 231#L74 assume !(0 != test_~tmp~0#1); 233#L74-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 285#L84 assume !(0 != test_~tmp___0~0#1); 245#L84-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 266#L94 assume 0 != test_~tmp___2~0#1; 279#L100-2 assume { :begin_inline_timeShift } true; 277#L143 assume !(0 != ~pumpRunning~0); 221#L143-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 228#L175 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 230#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 282#L175-1 assume { :end_inline_processEnvironment } true; 246#L150-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 247#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1; 300#L788 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 254#L788-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 273#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 284#L64-2 [2022-12-13 13:05:30,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:05:30,550 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-12-13 13:05:30,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:05:30,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818950654] [2022-12-13 13:05:30,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:05:30,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:05:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:05:30,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:05:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:05:30,570 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:05:30,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:05:30,571 INFO L85 PathProgramCache]: Analyzing trace with hash -395509013, now seen corresponding path program 1 times [2022-12-13 13:05:30,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:05:30,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217008725] [2022-12-13 13:05:30,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:05:30,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:05:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:05:30,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:05:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:05:30,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:05:30,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:05:30,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1034239330, now seen corresponding path program 1 times [2022-12-13 13:05:30,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:05:30,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914871324] [2022-12-13 13:05:30,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:05:30,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:05:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:05:30,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:05:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:05:30,609 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:05:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:05:31,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:05:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:05:31,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 01:05:31 BoogieIcfgContainer [2022-12-13 13:05:31,364 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 13:05:31,364 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:05:31,364 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:05:31,364 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:05:31,365 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:05:29" (3/4) ... [2022-12-13 13:05:31,367 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 13:05:31,402 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeb24dc-44b0-45d5-8766-532ecb87142e/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 13:05:31,402 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:05:31,402 INFO L158 Benchmark]: Toolchain (without parser) took 2285.35ms. Allocated memory is still 169.9MB. Free memory was 108.3MB in the beginning and 126.3MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:05:31,402 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 98.6MB. Free memory was 64.8MB in the beginning and 64.7MB in the end (delta: 77.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:05:31,403 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.37ms. Allocated memory is still 169.9MB. Free memory was 108.0MB in the beginning and 133.4MB in the end (delta: -25.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 13:05:31,403 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.17ms. Allocated memory is still 169.9MB. Free memory was 133.4MB in the beginning and 130.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:05:31,403 INFO L158 Benchmark]: Boogie Preprocessor took 25.56ms. Allocated memory is still 169.9MB. Free memory was 130.9MB in the beginning and 129.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:05:31,404 INFO L158 Benchmark]: RCFGBuilder took 361.70ms. Allocated memory is still 169.9MB. Free memory was 128.9MB in the beginning and 112.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 13:05:31,404 INFO L158 Benchmark]: BuchiAutomizer took 1510.02ms. Allocated memory is still 169.9MB. Free memory was 112.2MB in the beginning and 129.5MB in the end (delta: -17.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:05:31,404 INFO L158 Benchmark]: Witness Printer took 37.88ms. Allocated memory is still 169.9MB. Free memory was 129.5MB in the beginning and 126.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:05:31,405 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 98.6MB. Free memory was 64.8MB in the beginning and 64.7MB in the end (delta: 77.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.37ms. Allocated memory is still 169.9MB. Free memory was 108.0MB in the beginning and 133.4MB in the end (delta: -25.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.17ms. Allocated memory is still 169.9MB. Free memory was 133.4MB in the beginning and 130.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.56ms. Allocated memory is still 169.9MB. Free memory was 130.9MB in the beginning and 129.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 361.70ms. Allocated memory is still 169.9MB. Free memory was 128.9MB in the beginning and 112.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1510.02ms. Allocated memory is still 169.9MB. Free memory was 112.2MB in the beginning and 129.5MB in the end (delta: -17.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 37.88ms. Allocated memory is still 169.9MB. Free memory was 129.5MB in the beginning and 126.3MB 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 6 locations. The remainder module has 87 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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, 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, 462 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 462 mSDsluCounter, 121 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 117 mSDtfsCounter, 8 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: 64]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L135] int pumpRunning = 0; [L136] int systemActive = 1; [L455] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L691] int waterLevel = 1; [L692] int methaneLevelCritical = 0; [L771] int methAndRunningLastTime ; [L810] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L884] int retValue_acc ; [L885] int tmp ; [L889] FCALL select_helpers() [L890] FCALL select_features() [L891] CALL, EXPR valid_product() [L681] int retValue_acc ; [L684] retValue_acc = 1 [L685] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L891] RET, EXPR valid_product() [L891] tmp = valid_product() [L893] COND TRUE \read(tmp) [L895] FCALL setup() [L896] CALL runTest() [L877] CALL __utac_acc__Specification2_spec__1() [L776] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L877] RET __utac_acc__Specification2_spec__1() [L878] CALL test() [L55] int splverifierCounter ; [L56] int tmp ; [L57] int tmp___0 ; [L58] int tmp___1 ; [L59] int tmp___2 ; [L62] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L64] COND TRUE 1 [L66] COND TRUE splverifierCounter < 4 [L72] tmp = __VERIFIER_nondet_int() [L74] COND FALSE !(\read(tmp)) [L82] tmp___0 = __VERIFIER_nondet_int() [L84] COND FALSE !(\read(tmp___0)) [L92] tmp___2 = __VERIFIER_nondet_int() [L94] COND TRUE \read(tmp___2) [L107] CALL timeShift() [L143] COND FALSE !(\read(pumpRunning)) [L150] COND TRUE \read(systemActive) [L152] CALL processEnvironment() [L172] int tmp ; [L175] COND FALSE !(\read(pumpRunning)) [L190] FCALL processEnvironment__wrappee__methaneQuery() [L152] RET processEnvironment() [L158] CALL __utac_acc__Specification2_spec__2() [L781] int tmp ; [L782] int tmp___0 ; [L786] CALL, EXPR isMethaneLevelCritical() [L730] int retValue_acc ; [L733] retValue_acc = methaneLevelCritical [L734] return (retValue_acc); [L786] RET, EXPR isMethaneLevelCritical() [L786] tmp = isMethaneLevelCritical() [L788] COND FALSE !(\read(tmp)) [L804] methAndRunningLastTime = 0 [L158] RET __utac_acc__Specification2_spec__2() [L107] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 64]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L135] int pumpRunning = 0; [L136] int systemActive = 1; [L455] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L691] int waterLevel = 1; [L692] int methaneLevelCritical = 0; [L771] int methAndRunningLastTime ; [L810] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L884] int retValue_acc ; [L885] int tmp ; [L889] FCALL select_helpers() [L890] FCALL select_features() [L891] CALL, EXPR valid_product() [L681] int retValue_acc ; [L684] retValue_acc = 1 [L685] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L891] RET, EXPR valid_product() [L891] tmp = valid_product() [L893] COND TRUE \read(tmp) [L895] FCALL setup() [L896] CALL runTest() [L877] CALL __utac_acc__Specification2_spec__1() [L776] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L877] RET __utac_acc__Specification2_spec__1() [L878] CALL test() [L55] int splverifierCounter ; [L56] int tmp ; [L57] int tmp___0 ; [L58] int tmp___1 ; [L59] int tmp___2 ; [L62] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L64] COND TRUE 1 [L66] COND TRUE splverifierCounter < 4 [L72] tmp = __VERIFIER_nondet_int() [L74] COND FALSE !(\read(tmp)) [L82] tmp___0 = __VERIFIER_nondet_int() [L84] COND FALSE !(\read(tmp___0)) [L92] tmp___2 = __VERIFIER_nondet_int() [L94] COND TRUE \read(tmp___2) [L107] CALL timeShift() [L143] COND FALSE !(\read(pumpRunning)) [L150] COND TRUE \read(systemActive) [L152] CALL processEnvironment() [L172] int tmp ; [L175] COND FALSE !(\read(pumpRunning)) [L190] FCALL processEnvironment__wrappee__methaneQuery() [L152] RET processEnvironment() [L158] CALL __utac_acc__Specification2_spec__2() [L781] int tmp ; [L782] int tmp___0 ; [L786] CALL, EXPR isMethaneLevelCritical() [L730] int retValue_acc ; [L733] retValue_acc = methaneLevelCritical [L734] return (retValue_acc); [L786] RET, EXPR isMethaneLevelCritical() [L786] tmp = isMethaneLevelCritical() [L788] COND FALSE !(\read(tmp)) [L804] methAndRunningLastTime = 0 [L158] RET __utac_acc__Specification2_spec__2() [L107] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 13:05:31,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1eeb24dc-44b0-45d5-8766-532ecb87142e/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)