./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944aab00-d070-45a7-90e6-616632d432e3/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944aab00-d070-45a7-90e6-616632d432e3/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944aab00-d070-45a7-90e6-616632d432e3/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944aab00-d070-45a7-90e6-616632d432e3/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944aab00-d070-45a7-90e6-616632d432e3/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944aab00-d070-45a7-90e6-616632d432e3/bin/uautomizer-ug76WZFUDN --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 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 --- 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-6b4ec56 [2022-11-20 10:49:40,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:49:40,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:49:40,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:49:40,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:49:40,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:49:40,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:49:40,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:49:40,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:49:40,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:49:40,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:49:40,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:49:40,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:49:40,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:49:40,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:49:40,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:49:40,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:49:40,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:49:40,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:49:40,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:49:40,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:49:40,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:49:40,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:49:40,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:49:40,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:49:40,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:49:40,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:49:40,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:49:40,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:49:40,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:49:40,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:49:40,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:49:40,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:49:40,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:49:40,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:49:40,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:49:40,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:49:40,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:49:40,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:49:40,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:49:40,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:49:40,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944aab00-d070-45a7-90e6-616632d432e3/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 10:49:40,724 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:49:40,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:49:40,725 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:49:40,725 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:49:40,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:49:40,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:49:40,727 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:49:40,727 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 10:49:40,727 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 10:49:40,727 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 10:49:40,728 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 10:49:40,728 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 10:49:40,728 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 10:49:40,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:49:40,729 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:49:40,729 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:49:40,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:49:40,730 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:49:40,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:49:40,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 10:49:40,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 10:49:40,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 10:49:40,731 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:49:40,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:49:40,731 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 10:49:40,732 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:49:40,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 10:49:40,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:49:40,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:49:40,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:49:40,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:49:40,734 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 10:49:40,735 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_944aab00-d070-45a7-90e6-616632d432e3/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944aab00-d070-45a7-90e6-616632d432e3/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 [2022-11-20 10:49:41,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:49:41,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:49:41,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:49:41,063 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:49:41,064 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:49:41,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944aab00-d070-45a7-90e6-616632d432e3/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2022-11-20 10:49:44,068 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:49:44,424 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:49:44,425 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944aab00-d070-45a7-90e6-616632d432e3/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2022-11-20 10:49:44,449 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944aab00-d070-45a7-90e6-616632d432e3/bin/uautomizer-ug76WZFUDN/data/3ee22165a/d5d38b6c1f1c4db58ab59a5d52b352e0/FLAGbc99ac65a [2022-11-20 10:49:44,470 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944aab00-d070-45a7-90e6-616632d432e3/bin/uautomizer-ug76WZFUDN/data/3ee22165a/d5d38b6c1f1c4db58ab59a5d52b352e0 [2022-11-20 10:49:44,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:49:44,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:49:44,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:49:44,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:49:44,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:49:44,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:49:44" (1/1) ... [2022-11-20 10:49:44,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c432d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:44, skipping insertion in model container [2022-11-20 10:49:44,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:49:44" (1/1) ... [2022-11-20 10:49:44,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:49:44,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:49:44,764 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_944aab00-d070-45a7-90e6-616632d432e3/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c[7173,7186] [2022-11-20 10:49:44,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:49:44,872 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:49:44,898 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_944aab00-d070-45a7-90e6-616632d432e3/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c[7173,7186] [2022-11-20 10:49:44,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:49:44,940 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:49:44,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:44 WrapperNode [2022-11-20 10:49:44,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:49:44,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:49:44,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:49:44,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:49:44,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:44" (1/1) ... [2022-11-20 10:49:44,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:44" (1/1) ... [2022-11-20 10:49:45,002 INFO L138 Inliner]: procedures = 50, calls = 89, calls flagged for inlining = 42, calls inlined = 33, statements flattened = 225 [2022-11-20 10:49:45,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:49:45,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:49:45,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:49:45,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:49:45,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:44" (1/1) ... [2022-11-20 10:49:45,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:44" (1/1) ... [2022-11-20 10:49:45,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:44" (1/1) ... [2022-11-20 10:49:45,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:44" (1/1) ... [2022-11-20 10:49:45,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:44" (1/1) ... [2022-11-20 10:49:45,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:44" (1/1) ... [2022-11-20 10:49:45,052 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:44" (1/1) ... [2022-11-20 10:49:45,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:44" (1/1) ... [2022-11-20 10:49:45,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:49:45,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:49:45,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:49:45,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:49:45,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:44" (1/1) ... [2022-11-20 10:49:45,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:49:45,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944aab00-d070-45a7-90e6-616632d432e3/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:49:45,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944aab00-d070-45a7-90e6-616632d432e3/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:49:45,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944aab00-d070-45a7-90e6-616632d432e3/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 10:49:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:49:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:49:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:49:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:49:45,263 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:49:45,266 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:49:45,554 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:49:45,561 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:49:45,561 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 10:49:45,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:49:45 BoogieIcfgContainer [2022-11-20 10:49:45,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:49:45,564 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 10:49:45,565 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 10:49:45,569 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 10:49:45,570 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:49:45,570 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:49:44" (1/3) ... [2022-11-20 10:49:45,571 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@474aa12a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:49:45, skipping insertion in model container [2022-11-20 10:49:45,571 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:49:45,571 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:44" (2/3) ... [2022-11-20 10:49:45,572 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@474aa12a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:49:45, skipping insertion in model container [2022-11-20 10:49:45,572 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:49:45,572 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:49:45" (3/3) ... [2022-11-20 10:49:45,574 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product02.cil.c [2022-11-20 10:49:45,657 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 10:49:45,658 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 10:49:45,658 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 10:49:45,658 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 10:49:45,658 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 10:49:45,658 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 10:49:45,658 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 10:49:45,659 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 10:49:45,663 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 75 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:49:45,694 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2022-11-20 10:49:45,694 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:49:45,694 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:49:45,700 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:49:45,700 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:49:45,701 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 10:49:45,701 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 75 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:49:45,706 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2022-11-20 10:49:45,706 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:49:45,706 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:49:45,707 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:49:45,707 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:49:45,713 INFO L748 eck$LassoCheckResult]: Stem: 61#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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 50#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 23#L393true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 18#L386true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 12#L401true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 65#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 54#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 33#L287-2true [2022-11-20 10:49:45,716 INFO L750 eck$LassoCheckResult]: Loop: 33#L287-2true assume !false; 35#L288true assume test_~splverifierCounter~0#1 < 4; 44#L289true test_~tmp~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 40#L297true assume !(0 != test_~tmp~1#1); 48#L297-2true test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 16#L307true assume !(0 != test_~tmp___0~0#1); 22#L307-2true test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 6#L317true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 77#L325true assume 0 != test_~tmp___1~0#1; 43#L325-2true assume { :begin_inline_timeShift } true; 71#L169true assume !(0 != ~pumpRunning~0); 57#L169-2true assume !(0 != ~systemActive~0); 28#L176-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret18#1, __utac_acc__Specification1_spec__1_#t~ret19#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 34#L450true __utac_acc__Specification1_spec__1_#t~ret18#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret18#1;havoc __utac_acc__Specification1_spec__1_#t~ret18#1; 36#L353true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2#1); 63#L353-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 75#L186true assume { :end_inline_timeShift } true; 33#L287-2true [2022-11-20 10:49:45,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:45,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-20 10:49:45,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:45,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789707798] [2022-11-20 10:49:45,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:45,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:45,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:49:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:45,986 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:49:45,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:45,990 INFO L85 PathProgramCache]: Analyzing trace with hash -944082814, now seen corresponding path program 1 times [2022-11-20 10:49:45,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:45,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118094431] [2022-11-20 10:49:45,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:45,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:46,002 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:49:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:46,012 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:49:46,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:46,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1875764418, now seen corresponding path program 1 times [2022-11-20 10:49:46,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:46,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109624531] [2022-11-20 10:49:46,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:46,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:46,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:46,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:46,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109624531] [2022-11-20 10:49:46,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109624531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:46,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:46,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:49:46,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956815263] [2022-11-20 10:49:46,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:46,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:46,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:49:46,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:49:46,496 INFO L87 Difference]: Start difference. First operand has 76 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 75 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:49:46,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:49:46,611 INFO L93 Difference]: Finished difference Result 73 states and 89 transitions. [2022-11-20 10:49:46,613 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 89 transitions. [2022-11-20 10:49:46,615 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2022-11-20 10:49:46,620 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 63 states and 79 transitions. [2022-11-20 10:49:46,621 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2022-11-20 10:49:46,621 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 63 [2022-11-20 10:49:46,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 79 transitions. [2022-11-20 10:49:46,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:46,627 INFO L218 hiAutomatonCegarLoop]: Abstraction has 63 states and 79 transitions. [2022-11-20 10:49:46,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 79 transitions. [2022-11-20 10:49:46,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-20 10:49:46,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.253968253968254) internal successors, (79), 62 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:49:46,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2022-11-20 10:49:46,674 INFO L240 hiAutomatonCegarLoop]: Abstraction has 63 states and 79 transitions. [2022-11-20 10:49:46,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:49:46,680 INFO L428 stractBuchiCegarLoop]: Abstraction has 63 states and 79 transitions. [2022-11-20 10:49:46,680 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 10:49:46,680 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 79 transitions. [2022-11-20 10:49:46,682 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2022-11-20 10:49:46,682 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:49:46,682 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:49:46,683 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:49:46,683 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:49:46,683 INFO L748 eck$LassoCheckResult]: Stem: 227#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 222#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 193#L393 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 191#L386 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 185#L401 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 186#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 224#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 205#L287-2 [2022-11-20 10:49:46,683 INFO L750 eck$LassoCheckResult]: Loop: 205#L287-2 assume !false; 206#L288 assume test_~splverifierCounter~0#1 < 4; 207#L289 test_~tmp~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 211#L297 assume !(0 != test_~tmp~1#1); 213#L297-2 test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 189#L307 assume !(0 != test_~tmp___0~0#1); 190#L307-2 test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 174#L317 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 176#L273 assume { :end_inline_startSystem } true; 216#L325-2 assume { :begin_inline_timeShift } true; 217#L169 assume !(0 != ~pumpRunning~0); 203#L169-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 226#L193 assume { :end_inline_processEnvironment } true; 200#L176-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret18#1, __utac_acc__Specification1_spec__1_#t~ret19#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 201#L450 __utac_acc__Specification1_spec__1_#t~ret18#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret18#1;havoc __utac_acc__Specification1_spec__1_#t~ret18#1; 204#L353 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2#1); 208#L353-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 228#L186 assume { :end_inline_timeShift } true; 205#L287-2 [2022-11-20 10:49:46,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:46,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-20 10:49:46,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:46,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712103234] [2022-11-20 10:49:46,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:46,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:46,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:49:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:46,735 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:49:46,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:46,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1006721862, now seen corresponding path program 1 times [2022-11-20 10:49:46,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:46,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644041503] [2022-11-20 10:49:46,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:46,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:46,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:49:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:46,761 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:49:46,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:46,762 INFO L85 PathProgramCache]: Analyzing trace with hash -2105604086, now seen corresponding path program 1 times [2022-11-20 10:49:46,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:46,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883042399] [2022-11-20 10:49:46,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:46,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:46,794 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:49:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:46,825 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:49:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:47,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:49:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:49:48,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:49:48 BoogieIcfgContainer [2022-11-20 10:49:48,025 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 10:49:48,026 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:49:48,026 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:49:48,027 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:49:48,028 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:49:45" (3/4) ... [2022-11-20 10:49:48,030 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-20 10:49:48,103 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944aab00-d070-45a7-90e6-616632d432e3/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:49:48,110 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:49:48,111 INFO L158 Benchmark]: Toolchain (without parser) took 3634.14ms. Allocated memory was 121.6MB in the beginning and 163.6MB in the end (delta: 41.9MB). Free memory was 90.8MB in the beginning and 70.6MB in the end (delta: 20.1MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2022-11-20 10:49:48,112 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 121.6MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:49:48,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.30ms. Allocated memory is still 121.6MB. Free memory was 90.8MB in the beginning and 73.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 10:49:48,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.91ms. Allocated memory is still 121.6MB. Free memory was 73.1MB in the beginning and 70.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:49:48,113 INFO L158 Benchmark]: Boogie Preprocessor took 54.22ms. Allocated memory is still 121.6MB. Free memory was 70.6MB in the beginning and 69.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:49:48,113 INFO L158 Benchmark]: RCFGBuilder took 504.79ms. Allocated memory is still 121.6MB. Free memory was 69.4MB in the beginning and 54.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 10:49:48,114 INFO L158 Benchmark]: BuchiAutomizer took 2461.06ms. Allocated memory was 121.6MB in the beginning and 163.6MB in the end (delta: 41.9MB). Free memory was 54.3MB in the beginning and 72.7MB in the end (delta: -18.4MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2022-11-20 10:49:48,114 INFO L158 Benchmark]: Witness Printer took 84.46ms. Allocated memory is still 163.6MB. Free memory was 72.7MB in the beginning and 70.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:49:48,116 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 121.6MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.30ms. Allocated memory is still 121.6MB. Free memory was 90.8MB in the beginning and 73.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.91ms. Allocated memory is still 121.6MB. Free memory was 73.1MB in the beginning and 70.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.22ms. Allocated memory is still 121.6MB. Free memory was 70.6MB in the beginning and 69.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 504.79ms. Allocated memory is still 121.6MB. Free memory was 69.4MB in the beginning and 54.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2461.06ms. Allocated memory was 121.6MB in the beginning and 163.6MB in the end (delta: 41.9MB). Free memory was 54.3MB in the beginning and 72.7MB in the end (delta: -18.4MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Witness Printer took 84.46ms. Allocated memory is still 163.6MB. Free memory was 72.7MB in the beginning and 70.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 63 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 254 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 254 mSDsluCounter, 88 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 84 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 287]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L161] int pumpRunning = 0; [L162] int systemActive = 1; [L407] int waterLevel = 1; [L408] int methaneLevelCritical = 0; [L665] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L397] int retValue_acc ; [L400] retValue_acc = 1 [L401] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L278] int splverifierCounter ; [L279] int tmp ; [L280] int tmp___0 ; [L281] int tmp___1 ; [L282] int tmp___2 ; [L285] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L287] COND TRUE 1 [L289] COND TRUE splverifierCounter < 4 [L295] tmp = __VERIFIER_nondet_int() [L297] COND FALSE !(\read(tmp)) [L305] tmp___0 = __VERIFIER_nondet_int() [L307] COND FALSE !(\read(tmp___0)) [L315] tmp___2 = __VERIFIER_nondet_int() [L317] COND TRUE \read(tmp___2) [L319] CALL startSystem() [L272] systemActive = 1 [L319] RET startSystem() [L332] CALL timeShift() [L169] COND FALSE !(\read(pumpRunning)) [L176] COND TRUE \read(systemActive) [L178] FCALL processEnvironment() [L184] CALL __utac_acc__Specification1_spec__1() [L346] int tmp ; [L347] int tmp___0 ; [L351] CALL, EXPR isMethaneLevelCritical() [L446] int retValue_acc ; [L449] retValue_acc = methaneLevelCritical [L450] return (retValue_acc); [L351] RET, EXPR isMethaneLevelCritical() [L351] tmp = isMethaneLevelCritical() [L353] COND FALSE !(\read(tmp)) [L184] RET __utac_acc__Specification1_spec__1() [L332] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 287]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L161] int pumpRunning = 0; [L162] int systemActive = 1; [L407] int waterLevel = 1; [L408] int methaneLevelCritical = 0; [L665] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L397] int retValue_acc ; [L400] retValue_acc = 1 [L401] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L278] int splverifierCounter ; [L279] int tmp ; [L280] int tmp___0 ; [L281] int tmp___1 ; [L282] int tmp___2 ; [L285] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L287] COND TRUE 1 [L289] COND TRUE splverifierCounter < 4 [L295] tmp = __VERIFIER_nondet_int() [L297] COND FALSE !(\read(tmp)) [L305] tmp___0 = __VERIFIER_nondet_int() [L307] COND FALSE !(\read(tmp___0)) [L315] tmp___2 = __VERIFIER_nondet_int() [L317] COND TRUE \read(tmp___2) [L319] CALL startSystem() [L272] systemActive = 1 [L319] RET startSystem() [L332] CALL timeShift() [L169] COND FALSE !(\read(pumpRunning)) [L176] COND TRUE \read(systemActive) [L178] FCALL processEnvironment() [L184] CALL __utac_acc__Specification1_spec__1() [L346] int tmp ; [L347] int tmp___0 ; [L351] CALL, EXPR isMethaneLevelCritical() [L446] int retValue_acc ; [L449] retValue_acc = methaneLevelCritical [L450] return (retValue_acc); [L351] RET, EXPR isMethaneLevelCritical() [L351] tmp = isMethaneLevelCritical() [L353] COND FALSE !(\read(tmp)) [L184] RET __utac_acc__Specification1_spec__1() [L332] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 10:49:48,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_944aab00-d070-45a7-90e6-616632d432e3/bin/uautomizer-ug76WZFUDN/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)