./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119c97d7-5595-4622-99c0-c5c2cd947760/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119c97d7-5595-4622-99c0-c5c2cd947760/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119c97d7-5595-4622-99c0-c5c2cd947760/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119c97d7-5595-4622-99c0-c5c2cd947760/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119c97d7-5595-4622-99c0-c5c2cd947760/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119c97d7-5595-4622-99c0-c5c2cd947760/bin/uautomizer-ZsLfNo2U6R --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 9f236da57fa92653d636674a80852c8106739bc443cbd0a5f898a694ed49c247 --- 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-38b53e6 [2022-11-25 17:15:52,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:15:52,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:15:52,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:15:52,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:15:52,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:15:52,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:15:52,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:15:52,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:15:52,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:15:52,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:15:52,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:15:52,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:15:52,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:15:52,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:15:52,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:15:52,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:15:52,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:15:52,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:15:52,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:15:52,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:15:52,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:15:52,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:15:52,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:15:52,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:15:52,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:15:52,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:15:52,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:15:52,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:15:52,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:15:52,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:15:52,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:15:52,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:15:52,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:15:52,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:15:52,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:15:52,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:15:52,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:15:52,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:15:52,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:15:52,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:15:52,193 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119c97d7-5595-4622-99c0-c5c2cd947760/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-25 17:15:52,270 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:15:52,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:15:52,271 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:15:52,271 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:15:52,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:15:52,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:15:52,273 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:15:52,274 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 17:15:52,274 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 17:15:52,294 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 17:15:52,294 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 17:15:52,294 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 17:15:52,294 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 17:15:52,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:15:52,295 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:15:52,295 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:15:52,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:15:52,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:15:52,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:15:52,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 17:15:52,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 17:15:52,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 17:15:52,296 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:15:52,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:15:52,297 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 17:15:52,297 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:15:52,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 17:15:52,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:15:52,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:15:52,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:15:52,298 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:15:52,299 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 17:15:52,299 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_119c97d7-5595-4622-99c0-c5c2cd947760/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119c97d7-5595-4622-99c0-c5c2cd947760/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f236da57fa92653d636674a80852c8106739bc443cbd0a5f898a694ed49c247 [2022-11-25 17:15:52,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:15:52,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:15:52,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:15:52,678 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:15:52,678 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:15:52,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119c97d7-5595-4622-99c0-c5c2cd947760/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2022-11-25 17:15:56,121 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:15:56,521 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:15:56,522 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119c97d7-5595-4622-99c0-c5c2cd947760/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c [2022-11-25 17:15:56,547 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119c97d7-5595-4622-99c0-c5c2cd947760/bin/uautomizer-ZsLfNo2U6R/data/d3eb9cda6/7cea43c5bfab4acfa7252595fe8280b2/FLAGbf8f8d600 [2022-11-25 17:15:56,564 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119c97d7-5595-4622-99c0-c5c2cd947760/bin/uautomizer-ZsLfNo2U6R/data/d3eb9cda6/7cea43c5bfab4acfa7252595fe8280b2 [2022-11-25 17:15:56,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:15:56,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:15:56,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:15:56,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:15:56,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:15:56,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:15:56" (1/1) ... [2022-11-25 17:15:56,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3696ca39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:56, skipping insertion in model container [2022-11-25 17:15:56,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:15:56" (1/1) ... [2022-11-25 17:15:56,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:15:56,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:15:56,842 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119c97d7-5595-4622-99c0-c5c2cd947760/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c[2141,2154] [2022-11-25 17:15:56,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:15:56,967 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:15:56,986 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119c97d7-5595-4622-99c0-c5c2cd947760/sv-benchmarks/c/product-lines/minepump_spec2_product28.cil.c[2141,2154] [2022-11-25 17:15:57,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:15:57,067 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:15:57,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:57 WrapperNode [2022-11-25 17:15:57,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:15:57,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:15:57,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:15:57,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:15:57,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:57" (1/1) ... [2022-11-25 17:15:57,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:57" (1/1) ... [2022-11-25 17:15:57,127 INFO L138 Inliner]: procedures = 56, calls = 99, calls flagged for inlining = 52, calls inlined = 51, statements flattened = 347 [2022-11-25 17:15:57,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:15:57,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:15:57,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:15:57,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:15:57,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:57" (1/1) ... [2022-11-25 17:15:57,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:57" (1/1) ... [2022-11-25 17:15:57,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:57" (1/1) ... [2022-11-25 17:15:57,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:57" (1/1) ... [2022-11-25 17:15:57,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:57" (1/1) ... [2022-11-25 17:15:57,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:57" (1/1) ... [2022-11-25 17:15:57,166 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:57" (1/1) ... [2022-11-25 17:15:57,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:57" (1/1) ... [2022-11-25 17:15:57,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:15:57,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:15:57,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:15:57,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:15:57,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:57" (1/1) ... [2022-11-25 17:15:57,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:15:57,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119c97d7-5595-4622-99c0-c5c2cd947760/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:15:57,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119c97d7-5595-4622-99c0-c5c2cd947760/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:15:57,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119c97d7-5595-4622-99c0-c5c2cd947760/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 17:15:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:15:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:15:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:15:57,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:15:57,426 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:15:57,428 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:15:57,897 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:15:57,905 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:15:57,906 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 17:15:57,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:15:57 BoogieIcfgContainer [2022-11-25 17:15:57,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:15:57,910 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 17:15:57,910 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 17:15:57,915 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 17:15:57,916 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:15:57,917 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 05:15:56" (1/3) ... [2022-11-25 17:15:57,918 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@141b9b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:15:57, skipping insertion in model container [2022-11-25 17:15:57,918 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:15:57,918 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:15:57" (2/3) ... [2022-11-25 17:15:57,919 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@141b9b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:15:57, skipping insertion in model container [2022-11-25 17:15:57,919 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:15:57,919 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:15:57" (3/3) ... [2022-11-25 17:15:57,921 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product28.cil.c [2022-11-25 17:15:57,991 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 17:15:57,991 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 17:15:57,992 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 17:15:57,992 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 17:15:57,992 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 17:15:57,992 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 17:15:57,992 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 17:15:57,993 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 17:15:57,999 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 111 states, 110 states have (on average 1.3727272727272728) internal successors, (151), 110 states have internal predecessors, (151), 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) [2022-11-25 17:15:58,028 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2022-11-25 17:15:58,029 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:15:58,029 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:15:58,037 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:15:58,037 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:15:58,037 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 17:15:58,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 111 states, 110 states have (on average 1.3727272727272728) internal successors, (151), 110 states have internal predecessors, (151), 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) [2022-11-25 17:15:58,045 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2022-11-25 17:15:58,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:15:58,045 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:15:58,047 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:15:58,047 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:15:58,056 INFO L748 eck$LassoCheckResult]: Stem: 104#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 35#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~8#1, main_~tmp~5#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 47#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 108#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 25#L83true main_#t~ret28#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 85#L586true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 67#L562true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 91#L470true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 52#L405-2true [2022-11-25 17:15:58,058 INFO L750 eck$LassoCheckResult]: Loop: 52#L405-2true assume !false; 34#L406true assume test_~splverifierCounter~0#1 < 4; 11#L407true test_~tmp~3#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 98#L415true assume !(0 != test_~tmp~3#1); 4#L415-2true test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 89#L425true assume !(0 != test_~tmp___0~1#1); 107#L425-2true test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 78#L435true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 75#L390true assume { :end_inline_startSystem } true; 12#L443-2true assume { :begin_inline_timeShift } true; 90#L208true assume !(0 != ~pumpRunning~0); 93#L208-2true assume !(0 != ~systemActive~0); 5#L215-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret26#1, __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~4#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 102#L147true __utac_acc__Specification2_spec__2_#t~ret26#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~4#1 := __utac_acc__Specification2_spec__2_#t~ret26#1;havoc __utac_acc__Specification2_spec__2_#t~ret26#1; 26#L481true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4#1);~methAndRunningLastTime~0 := 0; 97#L481-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 33#L225true assume { :end_inline_timeShift } true; 52#L405-2true [2022-11-25 17:15:58,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:15:58,074 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-25 17:15:58,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:15:58,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446939713] [2022-11-25 17:15:58,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:15:58,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:15:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:15:58,247 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:15:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:15:58,313 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:15:58,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:15:58,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1420189353, now seen corresponding path program 1 times [2022-11-25 17:15:58,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:15:58,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846181630] [2022-11-25 17:15:58,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:15:58,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:15:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:15:58,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:15:58,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:15:58,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846181630] [2022-11-25 17:15:58,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846181630] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:15:58,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:15:58,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:15:58,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573724730] [2022-11-25 17:15:58,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:15:58,432 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-25 17:15:58,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:15:58,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:15:58,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:15:58,478 INFO L87 Difference]: Start difference. First operand has 111 states, 110 states have (on average 1.3727272727272728) internal successors, (151), 110 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:15:58,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:15:58,594 INFO L93 Difference]: Finished difference Result 206 states and 268 transitions. [2022-11-25 17:15:58,596 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 206 states and 268 transitions. [2022-11-25 17:15:58,602 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 132 [2022-11-25 17:15:58,625 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 206 states to 186 states and 247 transitions. [2022-11-25 17:15:58,627 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 186 [2022-11-25 17:15:58,628 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 186 [2022-11-25 17:15:58,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 186 states and 247 transitions. [2022-11-25 17:15:58,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:15:58,630 INFO L218 hiAutomatonCegarLoop]: Abstraction has 186 states and 247 transitions. [2022-11-25 17:15:58,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states and 247 transitions. [2022-11-25 17:15:58,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 183. [2022-11-25 17:15:58,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 183 states have (on average 1.3278688524590163) internal successors, (243), 182 states have internal predecessors, (243), 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) [2022-11-25 17:15:58,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 243 transitions. [2022-11-25 17:15:58,682 INFO L240 hiAutomatonCegarLoop]: Abstraction has 183 states and 243 transitions. [2022-11-25 17:15:58,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:15:58,696 INFO L428 stractBuchiCegarLoop]: Abstraction has 183 states and 243 transitions. [2022-11-25 17:15:58,696 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 17:15:58,696 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 183 states and 243 transitions. [2022-11-25 17:15:58,700 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 129 [2022-11-25 17:15:58,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:15:58,700 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:15:58,701 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:15:58,701 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:15:58,702 INFO L748 eck$LassoCheckResult]: Stem: 446#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 387#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~8#1, main_~tmp~5#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 388#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 403#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 369#L83 main_#t~ret28#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 370#L586 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 417#L562 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 418#L470 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 383#L405-2 [2022-11-25 17:15:58,702 INFO L750 eck$LassoCheckResult]: Loop: 383#L405-2 assume !false; 384#L406 assume test_~splverifierCounter~0#1 < 4; 385#L407 test_~tmp~3#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 507#L415 assume !(0 != test_~tmp~3#1); 506#L415-2 test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 504#L425 assume !(0 != test_~tmp___0~1#1); 447#L425-2 test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 448#L435 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 401#L443 assume !(0 != test_~tmp___1~0#1); 345#L443-2 assume { :begin_inline_timeShift } true; 346#L208 assume !(0 != ~pumpRunning~0); 436#L208-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 437#L240 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 430#L232-1 assume { :end_inline_processEnvironment__wrappee__base } true; 380#L240-1 assume { :end_inline_processEnvironment } true; 330#L215-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret26#1, __utac_acc__Specification2_spec__2_#t~ret27#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~4#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 331#L147 __utac_acc__Specification2_spec__2_#t~ret26#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~4#1 := __utac_acc__Specification2_spec__2_#t~ret26#1;havoc __utac_acc__Specification2_spec__2_#t~ret26#1; 371#L481 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4#1);~methAndRunningLastTime~0 := 0; 373#L481-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 382#L225 assume { :end_inline_timeShift } true; 383#L405-2 [2022-11-25 17:15:58,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:15:58,703 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-25 17:15:58,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:15:58,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705397858] [2022-11-25 17:15:58,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:15:58,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:15:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:15:58,733 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:15:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:15:58,751 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:15:58,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:15:58,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1044716843, now seen corresponding path program 1 times [2022-11-25 17:15:58,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:15:58,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729241438] [2022-11-25 17:15:58,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:15:58,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:15:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:15:58,779 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:15:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:15:58,791 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:15:58,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:15:58,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1877724780, now seen corresponding path program 1 times [2022-11-25 17:15:58,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:15:58,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982110974] [2022-11-25 17:15:58,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:15:58,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:15:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:15:58,818 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:15:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:15:58,841 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:16:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:16:00,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:16:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:16:00,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 05:16:00 BoogieIcfgContainer [2022-11-25 17:16:00,458 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 17:16:00,459 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:16:00,459 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:16:00,460 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:16:00,460 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:15:57" (3/4) ... [2022-11-25 17:16:00,463 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-25 17:16:00,516 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119c97d7-5595-4622-99c0-c5c2cd947760/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:16:00,517 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:16:00,517 INFO L158 Benchmark]: Toolchain (without parser) took 3944.57ms. Allocated memory is still 176.2MB. Free memory was 147.0MB in the beginning and 76.6MB in the end (delta: 70.4MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2022-11-25 17:16:00,518 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:16:00,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.42ms. Allocated memory is still 176.2MB. Free memory was 147.0MB in the beginning and 128.3MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 17:16:00,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.28ms. Allocated memory is still 176.2MB. Free memory was 128.3MB in the beginning and 126.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:16:00,519 INFO L158 Benchmark]: Boogie Preprocessor took 47.81ms. Allocated memory is still 176.2MB. Free memory was 126.2MB in the beginning and 124.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:16:00,520 INFO L158 Benchmark]: RCFGBuilder took 731.99ms. Allocated memory is still 176.2MB. Free memory was 124.1MB in the beginning and 105.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 17:16:00,520 INFO L158 Benchmark]: BuchiAutomizer took 2548.66ms. Allocated memory is still 176.2MB. Free memory was 104.7MB in the beginning and 79.7MB in the end (delta: 25.0MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2022-11-25 17:16:00,521 INFO L158 Benchmark]: Witness Printer took 57.58ms. Allocated memory is still 176.2MB. Free memory was 79.7MB in the beginning and 76.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:16:00,524 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.42ms. Allocated memory is still 176.2MB. Free memory was 147.0MB in the beginning and 128.3MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.28ms. Allocated memory is still 176.2MB. Free memory was 128.3MB in the beginning and 126.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.81ms. Allocated memory is still 176.2MB. Free memory was 126.2MB in the beginning and 124.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 731.99ms. Allocated memory is still 176.2MB. Free memory was 124.1MB in the beginning and 105.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2548.66ms. Allocated memory is still 176.2MB. Free memory was 104.7MB in the beginning and 79.7MB in the end (delta: 25.0MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * Witness Printer took 57.58ms. Allocated memory is still 176.2MB. Free memory was 79.7MB in the beginning and 76.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 183 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 131 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 131 mSDsluCounter, 261 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 123 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 138 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 405]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L104] int waterLevel = 1; [L105] int methaneLevelCritical = 0; [L200] int pumpRunning = 0; [L201] int systemActive = 1; [L464] int methAndRunningLastTime ; [L503] int cleanupTimeShifts = 4; [L769] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L577] int retValue_acc ; [L578] int tmp ; [L582] FCALL select_helpers() [L583] FCALL select_features() [L584] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L584] RET, EXPR valid_product() [L584] tmp = valid_product() [L586] COND TRUE \read(tmp) [L588] FCALL setup() [L589] CALL runTest() [L570] CALL __utac_acc__Specification2_spec__1() [L469] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L570] RET __utac_acc__Specification2_spec__1() [L571] CALL test() [L396] int splverifierCounter ; [L397] int tmp ; [L398] int tmp___0 ; [L399] int tmp___1 ; [L400] int tmp___2 ; [L403] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L405] COND TRUE 1 [L407] COND TRUE splverifierCounter < 4 [L413] tmp = __VERIFIER_nondet_int() [L415] COND FALSE !(\read(tmp)) [L423] tmp___0 = __VERIFIER_nondet_int() [L425] COND FALSE !(\read(tmp___0)) [L433] tmp___2 = __VERIFIER_nondet_int() [L435] COND FALSE !(\read(tmp___2)) [L441] tmp___1 = __VERIFIER_nondet_int() [L443] COND FALSE !(\read(tmp___1)) [L452] CALL timeShift() [L208] COND FALSE !(\read(pumpRunning)) [L215] COND TRUE \read(systemActive) [L217] CALL processEnvironment() [L237] int tmp ; [L240] COND FALSE !(\read(pumpRunning)) [L255] FCALL processEnvironment__wrappee__base() [L217] RET processEnvironment() [L223] CALL __utac_acc__Specification2_spec__2() [L474] int tmp ; [L475] int tmp___0 ; [L479] CALL, EXPR isMethaneLevelCritical() [L143] int retValue_acc ; [L146] retValue_acc = methaneLevelCritical [L147] return (retValue_acc); [L479] RET, EXPR isMethaneLevelCritical() [L479] tmp = isMethaneLevelCritical() [L481] COND FALSE !(\read(tmp)) [L497] methAndRunningLastTime = 0 [L223] RET __utac_acc__Specification2_spec__2() [L452] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 405]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L104] int waterLevel = 1; [L105] int methaneLevelCritical = 0; [L200] int pumpRunning = 0; [L201] int systemActive = 1; [L464] int methAndRunningLastTime ; [L503] int cleanupTimeShifts = 4; [L769] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L577] int retValue_acc ; [L578] int tmp ; [L582] FCALL select_helpers() [L583] FCALL select_features() [L584] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L584] RET, EXPR valid_product() [L584] tmp = valid_product() [L586] COND TRUE \read(tmp) [L588] FCALL setup() [L589] CALL runTest() [L570] CALL __utac_acc__Specification2_spec__1() [L469] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L570] RET __utac_acc__Specification2_spec__1() [L571] CALL test() [L396] int splverifierCounter ; [L397] int tmp ; [L398] int tmp___0 ; [L399] int tmp___1 ; [L400] int tmp___2 ; [L403] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L405] COND TRUE 1 [L407] COND TRUE splverifierCounter < 4 [L413] tmp = __VERIFIER_nondet_int() [L415] COND FALSE !(\read(tmp)) [L423] tmp___0 = __VERIFIER_nondet_int() [L425] COND FALSE !(\read(tmp___0)) [L433] tmp___2 = __VERIFIER_nondet_int() [L435] COND FALSE !(\read(tmp___2)) [L441] tmp___1 = __VERIFIER_nondet_int() [L443] COND FALSE !(\read(tmp___1)) [L452] CALL timeShift() [L208] COND FALSE !(\read(pumpRunning)) [L215] COND TRUE \read(systemActive) [L217] CALL processEnvironment() [L237] int tmp ; [L240] COND FALSE !(\read(pumpRunning)) [L255] FCALL processEnvironment__wrappee__base() [L217] RET processEnvironment() [L223] CALL __utac_acc__Specification2_spec__2() [L474] int tmp ; [L475] int tmp___0 ; [L479] CALL, EXPR isMethaneLevelCritical() [L143] int retValue_acc ; [L146] retValue_acc = methaneLevelCritical [L147] return (retValue_acc); [L479] RET, EXPR isMethaneLevelCritical() [L479] tmp = isMethaneLevelCritical() [L481] COND FALSE !(\read(tmp)) [L497] methAndRunningLastTime = 0 [L223] RET __utac_acc__Specification2_spec__2() [L452] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-25 17:16:00,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_119c97d7-5595-4622-99c0-c5c2cd947760/bin/uautomizer-ZsLfNo2U6R/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)