./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ba405-0481-4c08-866d-ae8b4ba2435d/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ba405-0481-4c08-866d-ae8b4ba2435d/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ba405-0481-4c08-866d-ae8b4ba2435d/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ba405-0481-4c08-866d-ae8b4ba2435d/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ba405-0481-4c08-866d-ae8b4ba2435d/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ba405-0481-4c08-866d-ae8b4ba2435d/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 38e7b274bf01bc93682679c1667a8f3cd31c3ce4f0d8668fbdf6f2f9baca870a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:20:38,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:20:38,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:20:38,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:20:38,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:20:38,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:20:38,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:20:38,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:20:38,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:20:38,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:20:38,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:20:38,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:20:38,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:20:38,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:20:38,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:20:38,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:20:38,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:20:38,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:20:38,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:20:38,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:20:38,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:20:38,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:20:38,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:20:38,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:20:38,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:20:38,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:20:38,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:20:38,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:20:38,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:20:38,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:20:38,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:20:38,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:20:38,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:20:38,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:20:38,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:20:38,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:20:38,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:20:38,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:20:38,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:20:38,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:20:38,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:20:38,098 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ba405-0481-4c08-866d-ae8b4ba2435d/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:20:38,133 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:20:38,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:20:38,138 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:20:38,138 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:20:38,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:20:38,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:20:38,140 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:20:38,140 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:20:38,140 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:20:38,140 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:20:38,141 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:20:38,142 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:20:38,142 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:20:38,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:20:38,142 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:20:38,143 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:20:38,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:20:38,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:20:38,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:20:38,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:20:38,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:20:38,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:20:38,144 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:20:38,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:20:38,144 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:20:38,144 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:20:38,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:20:38,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:20:38,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:20:38,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:20:38,145 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:20:38,146 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:20:38,147 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_d51ba405-0481-4c08-866d-ae8b4ba2435d/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ba405-0481-4c08-866d-ae8b4ba2435d/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38e7b274bf01bc93682679c1667a8f3cd31c3ce4f0d8668fbdf6f2f9baca870a [2022-10-17 10:20:38,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:20:38,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:20:38,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:20:38,494 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:20:38,495 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:20:38,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ba405-0481-4c08-866d-ae8b4ba2435d/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2022-10-17 10:20:38,568 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ba405-0481-4c08-866d-ae8b4ba2435d/bin/uautomizer-J5u9QxTXDZ/data/26bb7fd55/a774d96aa43342a8879fa4af116f3443/FLAG8fe52c5d3 [2022-10-17 10:20:39,146 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:20:39,147 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ba405-0481-4c08-866d-ae8b4ba2435d/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2022-10-17 10:20:39,178 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ba405-0481-4c08-866d-ae8b4ba2435d/bin/uautomizer-J5u9QxTXDZ/data/26bb7fd55/a774d96aa43342a8879fa4af116f3443/FLAG8fe52c5d3 [2022-10-17 10:20:39,393 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ba405-0481-4c08-866d-ae8b4ba2435d/bin/uautomizer-J5u9QxTXDZ/data/26bb7fd55/a774d96aa43342a8879fa4af116f3443 [2022-10-17 10:20:39,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:20:39,418 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:20:39,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:20:39,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:20:39,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:20:39,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:20:39" (1/1) ... [2022-10-17 10:20:39,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dda4730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:39, skipping insertion in model container [2022-10-17 10:20:39,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:20:39" (1/1) ... [2022-10-17 10:20:39,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:20:39,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:20:39,890 WARN L230 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_d51ba405-0481-4c08-866d-ae8b4ba2435d/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11718,11731] [2022-10-17 10:20:39,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:20:39,995 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:20:40,098 WARN L230 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_d51ba405-0481-4c08-866d-ae8b4ba2435d/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c[11718,11731] [2022-10-17 10:20:40,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:20:40,169 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:20:40,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:40 WrapperNode [2022-10-17 10:20:40,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:20:40,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:20:40,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:20:40,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:20:40,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:40" (1/1) ... [2022-10-17 10:20:40,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:40" (1/1) ... [2022-10-17 10:20:40,265 INFO L138 Inliner]: procedures = 51, calls = 147, calls flagged for inlining = 44, calls inlined = 33, statements flattened = 281 [2022-10-17 10:20:40,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:20:40,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:20:40,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:20:40,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:20:40,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:40" (1/1) ... [2022-10-17 10:20:40,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:40" (1/1) ... [2022-10-17 10:20:40,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:40" (1/1) ... [2022-10-17 10:20:40,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:40" (1/1) ... [2022-10-17 10:20:40,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:40" (1/1) ... [2022-10-17 10:20:40,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:40" (1/1) ... [2022-10-17 10:20:40,323 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:40" (1/1) ... [2022-10-17 10:20:40,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:40" (1/1) ... [2022-10-17 10:20:40,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:20:40,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:20:40,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:20:40,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:20:40,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:40" (1/1) ... [2022-10-17 10:20:40,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:20:40,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ba405-0481-4c08-866d-ae8b4ba2435d/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:20:40,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ba405-0481-4c08-866d-ae8b4ba2435d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:20:40,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ba405-0481-4c08-866d-ae8b4ba2435d/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:20:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:20:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:20:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:20:40,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:20:40,490 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:20:40,493 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:20:40,882 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:20:40,889 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:20:40,890 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 10:20:40,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:20:40 BoogieIcfgContainer [2022-10-17 10:20:40,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:20:40,915 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:20:40,929 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:20:40,934 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:20:40,934 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:20:40,934 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:20:39" (1/3) ... [2022-10-17 10:20:40,935 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bb23bb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:20:40, skipping insertion in model container [2022-10-17 10:20:40,935 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:20:40,935 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:40" (2/3) ... [2022-10-17 10:20:40,936 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bb23bb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:20:40, skipping insertion in model container [2022-10-17 10:20:40,936 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:20:40,936 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:20:40" (3/3) ... [2022-10-17 10:20:40,937 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2022-10-17 10:20:40,991 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:20:40,991 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:20:40,992 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:20:40,992 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:20:40,992 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:20:40,992 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:20:40,992 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:20:40,992 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:20:40,997 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 75 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:20:41,020 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2022-10-17 10:20:41,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:20:41,021 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:20:41,027 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:20:41,027 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:20:41,027 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:20:41,028 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 75 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:20:41,034 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2022-10-17 10:20:41,034 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:20:41,034 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:20:41,035 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:20:41,035 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:20:41,041 INFO L748 eck$LassoCheckResult]: Stem: 60#ULTIMATE.startENTRYtrue 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);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 45#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 12#L866true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 58#L859true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 14#L874true main_#t~ret29#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 43#L544true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 19#L517true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 52#L707-2true [2022-10-17 10:20:41,042 INFO L750 eck$LassoCheckResult]: Loop: 52#L707-2true assume !false; 13#L708true assume test_~splverifierCounter~0#1 < 4; 54#L709true test_~tmp~6#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 24#L717true assume !(0 != test_~tmp~6#1); 40#L717-2true test_~tmp___0~1#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 18#L727true assume !(0 != test_~tmp___0~1#1); 36#L727-2true test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 32#L737true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 8#L745true assume 0 != test_~tmp___1~0#1; 56#L745-2true assume { :begin_inline_timeShift } true; 62#L571true assume !(0 != ~pumpRunning~0); 41#L571-2true assume !(0 != ~systemActive~0); 55#L578-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 38#L839true __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 5#L61true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 50#L61-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 27#L588true assume { :end_inline_timeShift } true; 52#L707-2true [2022-10-17 10:20:41,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:20:41,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-10-17 10:20:41,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:20:41,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390756118] [2022-10-17 10:20:41,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:20:41,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:20:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:20:41,191 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:20:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:20:41,254 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:20:41,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:20:41,258 INFO L85 PathProgramCache]: Analyzing trace with hash -944082814, now seen corresponding path program 1 times [2022-10-17 10:20:41,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:20:41,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727931350] [2022-10-17 10:20:41,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:20:41,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:20:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:20:41,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:20:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:20:41,281 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:20:41,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:20:41,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1875764418, now seen corresponding path program 1 times [2022-10-17 10:20:41,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:20:41,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485287698] [2022-10-17 10:20:41,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:20:41,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:20:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:20:41,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:20:41,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:20:41,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485287698] [2022-10-17 10:20:41,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485287698] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:20:41,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:20:41,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:20:41,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091327479] [2022-10-17 10:20:41,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:20:41,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:20:41,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:20:41,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:20:41,855 INFO L87 Difference]: Start difference. First operand has 76 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 75 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 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) [2022-10-17 10:20:41,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:20:41,933 INFO L93 Difference]: Finished difference Result 73 states and 89 transitions. [2022-10-17 10:20:41,935 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 89 transitions. [2022-10-17 10:20:41,939 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2022-10-17 10:20:41,945 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 63 states and 79 transitions. [2022-10-17 10:20:41,946 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2022-10-17 10:20:41,947 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 63 [2022-10-17 10:20:41,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 79 transitions. [2022-10-17 10:20:41,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:20:41,949 INFO L218 hiAutomatonCegarLoop]: Abstraction has 63 states and 79 transitions. [2022-10-17 10:20:41,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 79 transitions. [2022-10-17 10:20:41,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-10-17 10:20:41,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.253968253968254) internal successors, (79), 62 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:20:41,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2022-10-17 10:20:41,987 INFO L240 hiAutomatonCegarLoop]: Abstraction has 63 states and 79 transitions. [2022-10-17 10:20:41,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:20:41,996 INFO L428 stractBuchiCegarLoop]: Abstraction has 63 states and 79 transitions. [2022-10-17 10:20:41,997 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:20:41,997 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 79 transitions. [2022-10-17 10:20:42,000 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2022-10-17 10:20:42,003 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:20:42,004 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:20:42,007 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:20:42,007 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:20:42,008 INFO L748 eck$LassoCheckResult]: Stem: 227#ULTIMATE.startENTRY 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);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 218#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 180#L866 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 181#L859 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 185#L874 main_#t~ret29#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 186#L544 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 197#L517 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 198#L707-2 [2022-10-17 10:20:42,008 INFO L750 eck$LassoCheckResult]: Loop: 198#L707-2 assume !false; 182#L708 assume test_~splverifierCounter~0#1 < 4; 183#L709 test_~tmp~6#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 200#L717 assume !(0 != test_~tmp~6#1); 202#L717-2 test_~tmp___0~1#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 191#L727 assume !(0 != test_~tmp___0~1#1); 193#L727-2 test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 209#L737 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 178#L745 assume 0 != test_~tmp___1~0#1; 179#L745-2 assume { :begin_inline_timeShift } true; 224#L571 assume !(0 != ~pumpRunning~0); 213#L571-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 214#L595 assume { :end_inline_processEnvironment } true; 223#L578-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 211#L839 __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 167#L61 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 168#L61-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 205#L588 assume { :end_inline_timeShift } true; 198#L707-2 [2022-10-17 10:20:42,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:20:42,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-10-17 10:20:42,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:20:42,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781726043] [2022-10-17 10:20:42,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:20:42,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:20:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:20:42,029 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:20:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:20:42,053 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:20:42,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:20:42,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1426283493, now seen corresponding path program 1 times [2022-10-17 10:20:42,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:20:42,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345281275] [2022-10-17 10:20:42,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:20:42,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:20:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:20:42,071 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:20:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:20:42,087 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:20:42,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:20:42,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1686042455, now seen corresponding path program 1 times [2022-10-17 10:20:42,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:20:42,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848368359] [2022-10-17 10:20:42,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:20:42,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:20:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:20:42,120 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:20:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:20:42,162 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:20:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:20:46,543 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:20:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:20:46,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.10 10:20:46 BoogieIcfgContainer [2022-10-17 10:20:46,599 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-10-17 10:20:46,599 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:20:46,599 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:20:46,600 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:20:46,600 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:20:40" (3/4) ... [2022-10-17 10:20:46,603 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-10-17 10:20:46,654 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ba405-0481-4c08-866d-ae8b4ba2435d/bin/uautomizer-J5u9QxTXDZ/witness.graphml [2022-10-17 10:20:46,654 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:20:46,655 INFO L158 Benchmark]: Toolchain (without parser) took 7236.85ms. Allocated memory was 88.1MB in the beginning and 142.6MB in the end (delta: 54.5MB). Free memory was 67.8MB in the beginning and 95.6MB in the end (delta: -27.8MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2022-10-17 10:20:46,656 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 88.1MB. Free memory was 64.3MB in the beginning and 64.3MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:20:46,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 750.73ms. Allocated memory is still 88.1MB. Free memory was 67.8MB in the beginning and 56.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2022-10-17 10:20:46,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.64ms. Allocated memory is still 88.1MB. Free memory was 56.3MB in the beginning and 53.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:20:46,657 INFO L158 Benchmark]: Boogie Preprocessor took 67.17ms. Allocated memory is still 88.1MB. Free memory was 53.8MB in the beginning and 52.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:20:46,658 INFO L158 Benchmark]: RCFGBuilder took 555.13ms. Allocated memory is still 88.1MB. Free memory was 52.0MB in the beginning and 64.3MB in the end (delta: -12.3MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2022-10-17 10:20:46,658 INFO L158 Benchmark]: BuchiAutomizer took 5683.41ms. Allocated memory was 88.1MB in the beginning and 142.6MB in the end (delta: 54.5MB). Free memory was 63.9MB in the beginning and 97.7MB in the end (delta: -33.8MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2022-10-17 10:20:46,659 INFO L158 Benchmark]: Witness Printer took 55.18ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 95.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:20:46,661 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 88.1MB. Free memory was 64.3MB in the beginning and 64.3MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 750.73ms. Allocated memory is still 88.1MB. Free memory was 67.8MB in the beginning and 56.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.64ms. Allocated memory is still 88.1MB. Free memory was 56.3MB in the beginning and 53.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.17ms. Allocated memory is still 88.1MB. Free memory was 53.8MB in the beginning and 52.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 555.13ms. Allocated memory is still 88.1MB. Free memory was 52.0MB in the beginning and 64.3MB in the end (delta: -12.3MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 5683.41ms. Allocated memory was 88.1MB in the beginning and 142.6MB in the end (delta: 54.5MB). Free memory was 63.9MB in the beginning and 97.7MB in the end (delta: -33.8MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Witness Printer took 55.18ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 95.6MB 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 63 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.3s. 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, 254 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 254 mSDsluCounter, 88 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 84 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: 707]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L248] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L564] int pumpRunning = 0; [L565] int systemActive = 1; [L764] int waterLevel = 1; [L765] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L535] int retValue_acc ; [L536] int tmp ; [L540] FCALL select_helpers() [L541] FCALL select_features() [L542] CALL, EXPR valid_product() [L870] int retValue_acc ; [L873] retValue_acc = 1 [L874] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L542] RET, EXPR valid_product() [L542] tmp = valid_product() [L544] COND TRUE \read(tmp) [L546] FCALL setup() [L547] CALL runTest() [L526] CALL test() [L698] int splverifierCounter ; [L699] int tmp ; [L700] int tmp___0 ; [L701] int tmp___1 ; [L702] int tmp___2 ; [L705] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L707] COND TRUE 1 [L709] COND TRUE splverifierCounter < 4 [L715] tmp = __VERIFIER_nondet_int() [L717] COND FALSE !(\read(tmp)) [L725] tmp___0 = __VERIFIER_nondet_int() [L727] COND FALSE !(\read(tmp___0)) [L735] tmp___2 = __VERIFIER_nondet_int() [L737] COND FALSE !(\read(tmp___2)) [L743] tmp___1 = __VERIFIER_nondet_int() [L745] COND TRUE \read(tmp___1) [L752] CALL timeShift() [L571] COND FALSE !(\read(pumpRunning)) [L578] COND TRUE \read(systemActive) [L580] FCALL processEnvironment() [L586] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L835] int retValue_acc ; [L838] retValue_acc = waterLevel [L839] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L586] RET __utac_acc__Specification4_spec__1() [L752] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 707]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L248] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L564] int pumpRunning = 0; [L565] int systemActive = 1; [L764] int waterLevel = 1; [L765] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L535] int retValue_acc ; [L536] int tmp ; [L540] FCALL select_helpers() [L541] FCALL select_features() [L542] CALL, EXPR valid_product() [L870] int retValue_acc ; [L873] retValue_acc = 1 [L874] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L542] RET, EXPR valid_product() [L542] tmp = valid_product() [L544] COND TRUE \read(tmp) [L546] FCALL setup() [L547] CALL runTest() [L526] CALL test() [L698] int splverifierCounter ; [L699] int tmp ; [L700] int tmp___0 ; [L701] int tmp___1 ; [L702] int tmp___2 ; [L705] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L707] COND TRUE 1 [L709] COND TRUE splverifierCounter < 4 [L715] tmp = __VERIFIER_nondet_int() [L717] COND FALSE !(\read(tmp)) [L725] tmp___0 = __VERIFIER_nondet_int() [L727] COND FALSE !(\read(tmp___0)) [L735] tmp___2 = __VERIFIER_nondet_int() [L737] COND FALSE !(\read(tmp___2)) [L743] tmp___1 = __VERIFIER_nondet_int() [L745] COND TRUE \read(tmp___1) [L752] CALL timeShift() [L571] COND FALSE !(\read(pumpRunning)) [L578] COND TRUE \read(systemActive) [L580] FCALL processEnvironment() [L586] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L835] int retValue_acc ; [L838] retValue_acc = waterLevel [L839] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L586] RET __utac_acc__Specification4_spec__1() [L752] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 10:20:46,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d51ba405-0481-4c08-866d-ae8b4ba2435d/bin/uautomizer-J5u9QxTXDZ/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)