./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594e756-d3d2-4f3e-8880-faa98718c90e/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594e756-d3d2-4f3e-8880-faa98718c90e/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594e756-d3d2-4f3e-8880-faa98718c90e/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594e756-d3d2-4f3e-8880-faa98718c90e/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594e756-d3d2-4f3e-8880-faa98718c90e/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594e756-d3d2-4f3e-8880-faa98718c90e/bin/uautomizer-UnR33cPsHg --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 9e1f50e371f5b814186a57854319e9843da0975e82265b9caee22e9ced53be79 ..................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:56:41,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:56:41,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:56:41,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:56:41,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:56:41,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:56:41,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:56:41,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:56:41,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:56:41,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:56:41,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:56:41,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:56:41,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:56:41,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:56:41,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:56:41,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:56:41,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:56:41,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:56:41,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:56:41,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:56:41,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:56:41,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:56:41,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:56:41,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:56:41,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:56:41,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:56:41,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:56:41,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:56:41,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:56:41,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:56:41,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:56:41,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:56:41,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:56:41,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:56:41,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:56:41,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:56:41,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:56:41,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:56:41,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:56:41,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:56:41,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:56:41,156 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594e756-d3d2-4f3e-8880-faa98718c90e/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:56:41,210 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:56:41,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:56:41,211 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:56:41,211 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:56:41,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:56:41,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:56:41,213 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:56:41,213 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:56:41,214 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:56:41,214 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:56:41,215 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:56:41,215 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:56:41,216 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:56:41,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:56:41,216 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:56:41,216 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:56:41,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:56:41,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:56:41,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:56:41,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:56:41,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:56:41,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:56:41,218 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:56:41,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:56:41,218 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:56:41,219 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:56:41,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:56:41,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:56:41,219 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:56:41,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:56:41,220 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:56:41,220 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:56:41,222 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:56:41,222 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_e594e756-d3d2-4f3e-8880-faa98718c90e/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594e756-d3d2-4f3e-8880-faa98718c90e/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e1f50e371f5b814186a57854319e9843da0975e82265b9caee22e9ced53be79 [2021-10-28 09:56:41,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:56:41,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:56:41,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:56:41,491 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:56:41,493 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:56:41,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594e756-d3d2-4f3e-8880-faa98718c90e/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2021-10-28 09:56:41,590 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594e756-d3d2-4f3e-8880-faa98718c90e/bin/uautomizer-UnR33cPsHg/data/7dab936b9/e54326212e414623a9abd4470a4d6176/FLAG5c1bca48b [2021-10-28 09:56:42,121 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:56:42,121 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594e756-d3d2-4f3e-8880-faa98718c90e/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2021-10-28 09:56:42,134 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594e756-d3d2-4f3e-8880-faa98718c90e/bin/uautomizer-UnR33cPsHg/data/7dab936b9/e54326212e414623a9abd4470a4d6176/FLAG5c1bca48b [2021-10-28 09:56:42,431 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594e756-d3d2-4f3e-8880-faa98718c90e/bin/uautomizer-UnR33cPsHg/data/7dab936b9/e54326212e414623a9abd4470a4d6176 [2021-10-28 09:56:42,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:56:42,444 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:56:42,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:56:42,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:56:42,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:56:42,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:56:42" (1/1) ... [2021-10-28 09:56:42,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ea092fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:42, skipping insertion in model container [2021-10-28 09:56:42,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:56:42" (1/1) ... [2021-10-28 09:56:42,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:56:42,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:56:42,677 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594e756-d3d2-4f3e-8880-faa98718c90e/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c[1605,1618] [2021-10-28 09:56:42,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:56:42,840 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:56:42,868 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594e756-d3d2-4f3e-8880-faa98718c90e/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c[1605,1618] [2021-10-28 09:56:42,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:56:42,934 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:56:42,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:42 WrapperNode [2021-10-28 09:56:42,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:56:42,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:56:42,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:56:42,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:56:42,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:42" (1/1) ... [2021-10-28 09:56:42,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:42" (1/1) ... [2021-10-28 09:56:43,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:56:43,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:56:43,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:56:43,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:56:43,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:42" (1/1) ... [2021-10-28 09:56:43,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:42" (1/1) ... [2021-10-28 09:56:43,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:42" (1/1) ... [2021-10-28 09:56:43,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:42" (1/1) ... [2021-10-28 09:56:43,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:42" (1/1) ... [2021-10-28 09:56:43,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:42" (1/1) ... [2021-10-28 09:56:43,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:42" (1/1) ... [2021-10-28 09:56:43,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:56:43,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:56:43,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:56:43,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:56:43,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:42" (1/1) ... [2021-10-28 09:56:43,058 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:56:43,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594e756-d3d2-4f3e-8880-faa98718c90e/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:56:43,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594e756-d3d2-4f3e-8880-faa98718c90e/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:56:43,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594e756-d3d2-4f3e-8880-faa98718c90e/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:56:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:56:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:56:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:56:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:56:43,909 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:56:43,910 INFO L299 CfgBuilder]: Removed 66 assume(true) statements. [2021-10-28 09:56:43,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:56:43 BoogieIcfgContainer [2021-10-28 09:56:43,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:56:43,913 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:56:43,913 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:56:43,917 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:56:43,918 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:56:43,918 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:56:42" (1/3) ... [2021-10-28 09:56:43,919 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70a98a0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:56:43, skipping insertion in model container [2021-10-28 09:56:43,919 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:56:43,920 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:56:42" (2/3) ... [2021-10-28 09:56:43,920 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70a98a0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:56:43, skipping insertion in model container [2021-10-28 09:56:43,920 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:56:43,920 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:56:43" (3/3) ... [2021-10-28 09:56:43,922 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product01.cil.c [2021-10-28 09:56:43,982 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:56:43,982 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:56:43,982 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:56:43,982 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:56:43,983 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:56:43,983 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:56:43,983 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:56:43,983 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:56:44,004 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 54 states, 53 states have (on average 1.528301886792453) internal successors, (81), 53 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:56:44,033 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-10-28 09:56:44,034 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:56:44,034 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:56:44,041 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:56:44,042 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:56:44,042 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:56:44,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 54 states, 53 states have (on average 1.528301886792453) internal successors, (81), 53 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:56:44,054 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-10-28 09:56:44,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:56:44,054 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:56:44,056 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:56:44,056 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:56:44,067 INFO L791 eck$LassoCheckResult]: Stem: 46#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(13);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(77, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(101, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(116, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(104, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string35.base, #t~string35.offset, 1);call write~init~int(82, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(73, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(84, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 4 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(75, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 39#L-1true havoc main_#res;havoc main_#t~ret8, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 45#L84true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 41#L92true main_#t~ret8 := valid_product_#res;main_~tmp~0 := main_#t~ret8;havoc main_#t~ret8; 20#L184true assume 0 != main_~tmp~0; 24#L160true havoc test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 7#L466-1true [2021-10-28 09:56:44,069 INFO L793 eck$LassoCheckResult]: Loop: 7#L466-1true assume !false; 6#L323true assume test_~splverifierCounter~0 < 4; 18#L324true test_~tmp~1 := test_#t~nondet26;havoc test_#t~nondet26; 27#L332true assume !(0 != test_~tmp~1); 36#L332-1true test_~tmp___0~0 := test_#t~nondet27;havoc test_#t~nondet27; 32#L342true assume !(0 != test_~tmp___0~0); 9#L342-1true test_~tmp___2~0 := test_#t~nondet28;havoc test_#t~nondet28; 34#L352true assume 0 != test_~tmp___2~0; 47#L358-2true assume !(0 != ~pumpRunning~0); 8#L212true assume 0 != ~systemActive~0; 53#L219true havoc __utac_acc__Specification4_spec__1_#t~ret40, __utac_acc__Specification4_spec__1_#t~ret41, __utac_acc__Specification4_spec__1_~tmp~2, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~2;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 42#L453true __utac_acc__Specification4_spec__1_#t~ret40 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~2 := __utac_acc__Specification4_spec__1_#t~ret40;havoc __utac_acc__Specification4_spec__1_#t~ret40; 51#L466true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~2); 7#L466-1true [2021-10-28 09:56:44,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:56:44,083 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-28 09:56:44,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:56:44,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576375985] [2021-10-28 09:56:44,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:56:44,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:56:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:56:44,337 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:56:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:56:44,564 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:56:44,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:56:44,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1682573531, now seen corresponding path program 1 times [2021-10-28 09:56:44,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:56:44,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497732141] [2021-10-28 09:56:44,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:56:44,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:56:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:56:44,593 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:56:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:56:44,608 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:56:44,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:56:44,615 INFO L85 PathProgramCache]: Analyzing trace with hash 31705407, now seen corresponding path program 1 times [2021-10-28 09:56:44,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:56:44,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993150701] [2021-10-28 09:56:44,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:56:44,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:56:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:56:44,693 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:56:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:56:44,762 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:57:38,091 WARN L207 SmtUtils]: Spent 53.12 s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-28 09:58:30,261 WARN L207 SmtUtils]: Spent 27.73 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-28 09:58:30,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:58:30 BoogieIcfgContainer [2021-10-28 09:58:30,391 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:58:30,392 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:58:30,393 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:58:30,393 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:58:30,394 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:56:43" (3/4) ... [2021-10-28 09:58:30,397 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 09:58:30,438 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594e756-d3d2-4f3e-8880-faa98718c90e/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:58:30,438 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:58:30,439 INFO L168 Benchmark]: Toolchain (without parser) took 107994.38 ms. Allocated memory was 102.8 MB in the beginning and 125.8 MB in the end (delta: 23.1 MB). Free memory was 68.8 MB in the beginning and 32.4 MB in the end (delta: 36.4 MB). Peak memory consumption was 58.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:58:30,440 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 102.8 MB. Free memory is still 58.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:58:30,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 486.53 ms. Allocated memory is still 102.8 MB. Free memory was 68.6 MB in the beginning and 71.8 MB in the end (delta: -3.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:58:30,441 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.27 ms. Allocated memory is still 102.8 MB. Free memory was 71.8 MB in the beginning and 69.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:58:30,442 INFO L168 Benchmark]: Boogie Preprocessor took 34.93 ms. Allocated memory is still 102.8 MB. Free memory was 69.2 MB in the beginning and 67.4 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:58:30,443 INFO L168 Benchmark]: RCFGBuilder took 862.45 ms. Allocated memory was 102.8 MB in the beginning and 125.8 MB in the end (delta: 23.1 MB). Free memory was 67.4 MB in the beginning and 88.3 MB in the end (delta: -20.9 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:58:30,443 INFO L168 Benchmark]: BuchiAutomizer took 106478.19 ms. Allocated memory is still 125.8 MB. Free memory was 87.6 MB in the beginning and 34.5 MB in the end (delta: 53.2 MB). Peak memory consumption was 62.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:58:30,444 INFO L168 Benchmark]: Witness Printer took 45.82 ms. Allocated memory is still 125.8 MB. Free memory was 34.5 MB in the beginning and 32.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:58:30,448 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 102.8 MB. Free memory is still 58.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 486.53 ms. Allocated memory is still 102.8 MB. Free memory was 68.6 MB in the beginning and 71.8 MB in the end (delta: -3.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.27 ms. Allocated memory is still 102.8 MB. Free memory was 71.8 MB in the beginning and 69.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.93 ms. Allocated memory is still 102.8 MB. Free memory was 69.2 MB in the beginning and 67.4 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 862.45 ms. Allocated memory was 102.8 MB in the beginning and 125.8 MB in the end (delta: 23.1 MB). Free memory was 67.4 MB in the beginning and 88.3 MB in the end (delta: -20.9 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 106478.19 ms. Allocated memory is still 125.8 MB. Free memory was 87.6 MB in the beginning and 34.5 MB in the end (delta: 53.2 MB). Peak memory consumption was 62.6 MB. Max. memory is 16.1 GB. * Witness Printer took 45.82 ms. Allocated memory is still 125.8 MB. Free memory was 34.5 MB in the beginning and 32.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 106.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 106.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. 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: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 322]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=16546} State at position 1 is {NULL=16547, NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=16546, NULL=16568, NULL=0, NULL=0, NULL=16552, NULL=16551, NULL=16564, NULL=16573, methaneLevelCritical=0, NULL=16560, NULL=0, NULL=0, NULL=16561, tmp___1=0, NULL=16553, NULL=0, NULL=0, tmp___0=0, NULL=16563, cleanupTimeShifts=4, tmp=0, NULL=16557, NULL=16559, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d10e87e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a6da876=0, NULL=16548, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=16570, \result=1, tmp___0=0, NULL=16565, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b7627d3=0, NULL=16558, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c98cc14=0, NULL=16550, NULL=16566, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a487de6=66, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b33e6e2=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b225227=0, NULL=0, NULL=0, NULL=16574, NULL=0, NULL=16567, NULL=0, NULL=0, tmp=1, NULL=0, NULL=0, NULL=16556, retValue_acc=1, retValue_acc=1, tmp___2=66, splverifierCounter=0, NULL=0, NULL=16569, NULL=16555, NULL=16572, head=0, NULL=16549, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=16562, NULL=16554, NULL=16571} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L97] int cleanupTimeShifts = 4; [L204] int pumpRunning = 0; [L205] int systemActive = 1; [L378] int waterLevel = 1; [L379] int methaneLevelCritical = 0; [L653] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L175] int retValue_acc ; [L176] int tmp ; [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); [L182] tmp = valid_product() [L184] COND TRUE \read(tmp) [L313] int splverifierCounter ; [L314] int tmp ; [L315] int tmp___0 ; [L316] int tmp___1 ; [L317] int tmp___2 ; [L320] splverifierCounter = 0 Loop: [L322] COND TRUE 1 [L324] COND TRUE splverifierCounter < 4 [L330] tmp = __VERIFIER_nondet_int() [L332] COND FALSE !(\read(tmp)) [L340] tmp___0 = __VERIFIER_nondet_int() [L342] COND FALSE !(\read(tmp___0)) [L350] tmp___2 = __VERIFIER_nondet_int() [L352] COND TRUE \read(tmp___2) [L212] COND FALSE !(\read(pumpRunning)) [L219] COND TRUE \read(systemActive) [L459] int tmp ; [L460] int tmp___0 ; [L449] int retValue_acc ; [L452] retValue_acc = waterLevel [L453] return (retValue_acc); [L464] tmp = getWaterLevel() [L466] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 09:58:30,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e594e756-d3d2-4f3e-8880-faa98718c90e/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...