./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e461d49-79fc-4edf-8662-7d95346f7b51/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e461d49-79fc-4edf-8662-7d95346f7b51/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e461d49-79fc-4edf-8662-7d95346f7b51/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e461d49-79fc-4edf-8662-7d95346f7b51/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e461d49-79fc-4edf-8662-7d95346f7b51/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e461d49-79fc-4edf-8662-7d95346f7b51/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 168393e8d033cc8a1f93b6836944286e12246452392b8a342ff0210c89948e1e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 20:24:15,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:24:15,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:24:15,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:24:15,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:24:15,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:24:15,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:24:15,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:24:15,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:24:15,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:24:15,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:24:15,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:24:15,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:24:15,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:24:15,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:24:15,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:24:15,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:24:15,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:24:15,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:24:15,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:24:15,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:24:15,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:24:15,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:24:15,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:24:15,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:24:15,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:24:15,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:24:15,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:24:15,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:24:15,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:24:15,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:24:15,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:24:15,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:24:15,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:24:15,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:24:15,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:24:15,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:24:15,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:24:15,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:24:15,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:24:15,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:24:15,804 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e461d49-79fc-4edf-8662-7d95346f7b51/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 20:24:15,825 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:24:15,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:24:15,826 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:24:15,826 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:24:15,826 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:24:15,827 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:24:15,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:24:15,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:24:15,828 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:24:15,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:24:15,828 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:24:15,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:24:15,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:24:15,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:24:15,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:24:15,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:24:15,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:24:15,829 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:24:15,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:24:15,830 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:24:15,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:24:15,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:24:15,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:24:15,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:24:15,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:24:15,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:24:15,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:24:15,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:24:15,831 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:24:15,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:24:15,832 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:24:15,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:24:15,832 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:24:15,832 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:24:15,832 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:24:15,832 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_4e461d49-79fc-4edf-8662-7d95346f7b51/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e461d49-79fc-4edf-8662-7d95346f7b51/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 168393e8d033cc8a1f93b6836944286e12246452392b8a342ff0210c89948e1e [2022-12-13 20:24:16,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:24:16,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:24:16,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:24:16,052 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:24:16,052 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:24:16,053 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e461d49-79fc-4edf-8662-7d95346f7b51/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c [2022-12-13 20:24:18,652 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:24:18,818 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:24:18,818 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e461d49-79fc-4edf-8662-7d95346f7b51/sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c [2022-12-13 20:24:18,829 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e461d49-79fc-4edf-8662-7d95346f7b51/bin/uautomizer-uyxdKDjOR8/data/cd3cdeca6/ce01bce94d3745cb86837c8efe785f5c/FLAG4e01ede87 [2022-12-13 20:24:18,842 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e461d49-79fc-4edf-8662-7d95346f7b51/bin/uautomizer-uyxdKDjOR8/data/cd3cdeca6/ce01bce94d3745cb86837c8efe785f5c [2022-12-13 20:24:18,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:24:18,845 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:24:18,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:24:18,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:24:18,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:24:18,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:24:18" (1/1) ... [2022-12-13 20:24:18,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ca5872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:24:18, skipping insertion in model container [2022-12-13 20:24:18,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:24:18" (1/1) ... [2022-12-13 20:24:18,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:24:18,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:24:18,998 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_4e461d49-79fc-4edf-8662-7d95346f7b51/sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c[1605,1618] [2022-12-13 20:24:19,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:24:19,077 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:24:19,087 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_4e461d49-79fc-4edf-8662-7d95346f7b51/sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c[1605,1618] [2022-12-13 20:24:19,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:24:19,144 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:24:19,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:24:19 WrapperNode [2022-12-13 20:24:19,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:24:19,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:24:19,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:24:19,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:24:19,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:24:19" (1/1) ... [2022-12-13 20:24:19,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:24:19" (1/1) ... [2022-12-13 20:24:19,185 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 195 [2022-12-13 20:24:19,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:24:19,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:24:19,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:24:19,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:24:19,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:24:19" (1/1) ... [2022-12-13 20:24:19,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:24:19" (1/1) ... [2022-12-13 20:24:19,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:24:19" (1/1) ... [2022-12-13 20:24:19,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:24:19" (1/1) ... [2022-12-13 20:24:19,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:24:19" (1/1) ... [2022-12-13 20:24:19,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:24:19" (1/1) ... [2022-12-13 20:24:19,204 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:24:19" (1/1) ... [2022-12-13 20:24:19,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:24:19" (1/1) ... [2022-12-13 20:24:19,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:24:19,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:24:19,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:24:19,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:24:19,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:24:19" (1/1) ... [2022-12-13 20:24:19,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:24:19,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e461d49-79fc-4edf-8662-7d95346f7b51/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:24:19,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e461d49-79fc-4edf-8662-7d95346f7b51/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:24:19,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e461d49-79fc-4edf-8662-7d95346f7b51/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:24:19,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:24:19,260 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-12-13 20:24:19,260 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-12-13 20:24:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-12-13 20:24:19,261 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-12-13 20:24:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-12-13 20:24:19,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-12-13 20:24:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-12-13 20:24:19,261 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-12-13 20:24:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-12-13 20:24:19,261 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-12-13 20:24:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-12-13 20:24:19,261 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-12-13 20:24:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-12-13 20:24:19,262 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-12-13 20:24:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:24:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-12-13 20:24:19,262 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-12-13 20:24:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:24:19,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:24:19,324 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:24:19,326 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:24:19,546 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:24:19,551 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:24:19,551 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 20:24:19,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:24:19 BoogieIcfgContainer [2022-12-13 20:24:19,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:24:19,555 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:24:19,555 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:24:19,557 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:24:19,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:24:18" (1/3) ... [2022-12-13 20:24:19,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18313311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:24:19, skipping insertion in model container [2022-12-13 20:24:19,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:24:19" (2/3) ... [2022-12-13 20:24:19,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18313311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:24:19, skipping insertion in model container [2022-12-13 20:24:19,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:24:19" (3/3) ... [2022-12-13 20:24:19,559 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product24.cil.c [2022-12-13 20:24:19,574 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:24:19,574 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 20:24:19,611 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:24:19,616 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4fa494d8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:24:19,616 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 20:24:19,619 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 78 states have internal predecessors, (95), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 20:24:19,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 20:24:19,630 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:24:19,630 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:24:19,631 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:24:19,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:24:19,636 INFO L85 PathProgramCache]: Analyzing trace with hash -986087536, now seen corresponding path program 1 times [2022-12-13 20:24:19,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:24:19,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124219461] [2022-12-13 20:24:19,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:24:19,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:24:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 20:24:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:19,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:24:19,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:24:19,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124219461] [2022-12-13 20:24:19,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124219461] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:24:19,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:24:19,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:24:19,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909037546] [2022-12-13 20:24:19,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:24:19,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 20:24:19,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:24:19,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 20:24:19,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:24:19,859 INFO L87 Difference]: Start difference. First operand has 94 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 78 states have internal predecessors, (95), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:24:19,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:24:19,887 INFO L93 Difference]: Finished difference Result 180 states and 245 transitions. [2022-12-13 20:24:19,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 20:24:19,889 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-12-13 20:24:19,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:24:19,898 INFO L225 Difference]: With dead ends: 180 [2022-12-13 20:24:19,898 INFO L226 Difference]: Without dead ends: 85 [2022-12-13 20:24:19,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:24:19,905 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:24:19,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:24:19,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-12-13 20:24:19,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-12-13 20:24:19,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 70 states have internal predecessors, (81), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-12-13 20:24:19,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 110 transitions. [2022-12-13 20:24:19,940 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 110 transitions. Word has length 25 [2022-12-13 20:24:19,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:24:19,940 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 110 transitions. [2022-12-13 20:24:19,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:24:19,941 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2022-12-13 20:24:19,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 20:24:19,943 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:24:19,943 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:24:19,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:24:19,943 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:24:19,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:24:19,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1067862747, now seen corresponding path program 1 times [2022-12-13 20:24:19,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:24:19,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244044695] [2022-12-13 20:24:19,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:24:19,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:24:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:20,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 20:24:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:20,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:24:20,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:24:20,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244044695] [2022-12-13 20:24:20,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244044695] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:24:20,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:24:20,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:24:20,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530222322] [2022-12-13 20:24:20,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:24:20,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:24:20,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:24:20,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:24:20,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:24:20,029 INFO L87 Difference]: Start difference. First operand 85 states and 110 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:24:20,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:24:20,044 INFO L93 Difference]: Finished difference Result 131 states and 169 transitions. [2022-12-13 20:24:20,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:24:20,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-12-13 20:24:20,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:24:20,045 INFO L225 Difference]: With dead ends: 131 [2022-12-13 20:24:20,046 INFO L226 Difference]: Without dead ends: 76 [2022-12-13 20:24:20,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:24:20,047 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 17 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:24:20,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 172 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:24:20,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-12-13 20:24:20,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-12-13 20:24:20,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 64 states have internal predecessors, (74), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-13 20:24:20,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2022-12-13 20:24:20,056 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 26 [2022-12-13 20:24:20,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:24:20,056 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2022-12-13 20:24:20,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:24:20,056 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2022-12-13 20:24:20,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-13 20:24:20,057 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:24:20,057 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:24:20,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:24:20,057 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:24:20,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:24:20,058 INFO L85 PathProgramCache]: Analyzing trace with hash 862122564, now seen corresponding path program 1 times [2022-12-13 20:24:20,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:24:20,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245714131] [2022-12-13 20:24:20,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:24:20,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:24:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:20,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 20:24:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:20,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:24:20,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:24:20,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245714131] [2022-12-13 20:24:20,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245714131] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:24:20,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:24:20,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:24:20,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689062109] [2022-12-13 20:24:20,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:24:20,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:24:20,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:24:20,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:24:20,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:24:20,124 INFO L87 Difference]: Start difference. First operand 76 states and 98 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:24:20,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:24:20,156 INFO L93 Difference]: Finished difference Result 212 states and 279 transitions. [2022-12-13 20:24:20,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:24:20,157 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-12-13 20:24:20,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:24:20,160 INFO L225 Difference]: With dead ends: 212 [2022-12-13 20:24:20,160 INFO L226 Difference]: Without dead ends: 143 [2022-12-13 20:24:20,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:24:20,162 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 90 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:24:20,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 209 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:24:20,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-12-13 20:24:20,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 140. [2022-12-13 20:24:20,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 101 states have (on average 1.3465346534653466) internal successors, (136), 116 states have internal predecessors, (136), 24 states have call successors, (24), 14 states have call predecessors, (24), 14 states have return successors, (24), 15 states have call predecessors, (24), 24 states have call successors, (24) [2022-12-13 20:24:20,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 184 transitions. [2022-12-13 20:24:20,193 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 184 transitions. Word has length 31 [2022-12-13 20:24:20,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:24:20,194 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 184 transitions. [2022-12-13 20:24:20,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:24:20,194 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 184 transitions. [2022-12-13 20:24:20,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-13 20:24:20,197 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:24:20,197 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:24:20,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 20:24:20,197 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:24:20,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:24:20,198 INFO L85 PathProgramCache]: Analyzing trace with hash 390614444, now seen corresponding path program 1 times [2022-12-13 20:24:20,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:24:20,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390656107] [2022-12-13 20:24:20,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:24:20,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:24:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:20,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 20:24:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:20,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:24:20,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:24:20,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390656107] [2022-12-13 20:24:20,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390656107] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:24:20,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:24:20,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:24:20,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803437617] [2022-12-13 20:24:20,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:24:20,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:24:20,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:24:20,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:24:20,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:24:20,341 INFO L87 Difference]: Start difference. First operand 140 states and 184 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:24:20,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:24:20,418 INFO L93 Difference]: Finished difference Result 400 states and 539 transitions. [2022-12-13 20:24:20,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:24:20,419 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-12-13 20:24:20,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:24:20,422 INFO L225 Difference]: With dead ends: 400 [2022-12-13 20:24:20,422 INFO L226 Difference]: Without dead ends: 267 [2022-12-13 20:24:20,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:24:20,425 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 68 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:24:20,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 403 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:24:20,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2022-12-13 20:24:20,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 261. [2022-12-13 20:24:20,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 186 states have (on average 1.3333333333333333) internal successors, (248), 213 states have internal predecessors, (248), 48 states have call successors, (48), 28 states have call predecessors, (48), 26 states have return successors, (50), 28 states have call predecessors, (50), 48 states have call successors, (50) [2022-12-13 20:24:20,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 346 transitions. [2022-12-13 20:24:20,460 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 346 transitions. Word has length 34 [2022-12-13 20:24:20,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:24:20,461 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 346 transitions. [2022-12-13 20:24:20,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:24:20,461 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 346 transitions. [2022-12-13 20:24:20,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-13 20:24:20,464 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:24:20,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:24:20,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 20:24:20,464 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:24:20,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:24:20,465 INFO L85 PathProgramCache]: Analyzing trace with hash 566154770, now seen corresponding path program 1 times [2022-12-13 20:24:20,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:24:20,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348502673] [2022-12-13 20:24:20,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:24:20,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:24:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:24:20,484 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:24:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:24:20,520 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:24:20,520 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 20:24:20,521 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 20:24:20,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 20:24:20,527 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-13 20:24:20,530 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:24:20,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:24:20 BoogieIcfgContainer [2022-12-13 20:24:20,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:24:20,573 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:24:20,573 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:24:20,573 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:24:20,574 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:24:19" (3/4) ... [2022-12-13 20:24:20,576 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 20:24:20,628 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e461d49-79fc-4edf-8662-7d95346f7b51/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:24:20,628 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:24:20,629 INFO L158 Benchmark]: Toolchain (without parser) took 1783.36ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 101.8MB in the beginning and 138.2MB in the end (delta: -36.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:24:20,629 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 144.7MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:24:20,629 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.53ms. Allocated memory is still 144.7MB. Free memory was 101.3MB in the beginning and 82.9MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 20:24:20,630 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.65ms. Allocated memory is still 144.7MB. Free memory was 82.9MB in the beginning and 80.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:24:20,630 INFO L158 Benchmark]: Boogie Preprocessor took 21.04ms. Allocated memory is still 144.7MB. Free memory was 80.9MB in the beginning and 79.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:24:20,630 INFO L158 Benchmark]: RCFGBuilder took 345.79ms. Allocated memory is still 144.7MB. Free memory was 79.1MB in the beginning and 62.9MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 20:24:20,631 INFO L158 Benchmark]: TraceAbstraction took 1017.88ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 62.4MB in the beginning and 142.4MB in the end (delta: -80.0MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2022-12-13 20:24:20,631 INFO L158 Benchmark]: Witness Printer took 54.91ms. Allocated memory is still 174.1MB. Free memory was 141.3MB in the beginning and 138.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:24:20,633 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 144.7MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.53ms. Allocated memory is still 144.7MB. Free memory was 101.3MB in the beginning and 82.9MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.65ms. Allocated memory is still 144.7MB. Free memory was 82.9MB in the beginning and 80.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.04ms. Allocated memory is still 144.7MB. Free memory was 80.9MB in the beginning and 79.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 345.79ms. Allocated memory is still 144.7MB. Free memory was 79.1MB in the beginning and 62.9MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1017.88ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 62.4MB in the beginning and 142.4MB in the end (delta: -80.0MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * Witness Printer took 54.91ms. Allocated memory is still 174.1MB. Free memory was 141.3MB in the beginning and 138.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 54]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L70] int pumpRunning = 0; [L71] int systemActive = 1; [L379] int cleanupTimeShifts = 4; [L647] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L844] int waterLevel = 1; [L845] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L455] int retValue_acc ; [L456] int tmp ; [L460] FCALL select_helpers() [L461] FCALL select_features() [L462] CALL, EXPR valid_product() [L959] int retValue_acc ; [L962] retValue_acc = 1 [L963] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L462] RET, EXPR valid_product() [L462] tmp = valid_product() [L464] COND TRUE \read(tmp) [L466] FCALL setup() [L467] CALL runTest() [L446] CALL test() [L276] int splverifierCounter ; [L277] int tmp ; [L278] int tmp___0 ; [L279] int tmp___1 ; [L280] int tmp___2 ; [L283] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L285] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L287] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L293] tmp = __VERIFIER_nondet_int() [L295] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L297] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L862] COND TRUE waterLevel < 2 [L863] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L297] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L303] tmp___0 = __VERIFIER_nondet_int() [L305] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L313] tmp___2 = __VERIFIER_nondet_int() [L315] COND FALSE !(\read(tmp___2)) [L321] tmp___1 = __VERIFIER_nondet_int() [L323] COND TRUE \read(tmp___1) [L325] CALL stopSystem() [L252] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L259] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L325] RET stopSystem() [L332] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L78] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L85] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L93] CALL __utac_acc__Specification3_spec__1() [L346] int tmp ; [L347] int tmp___0 ; [L348] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L352] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L883] int retValue_acc ; [L886] retValue_acc = methaneLevelCritical [L887] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L352] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L352] tmp = isMethaneLevelCritical() [L354] COND FALSE !(\read(tmp)) [L358] CALL, EXPR getWaterLevel() [L915] int retValue_acc ; [L918] retValue_acc = waterLevel [L919] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L358] RET, EXPR getWaterLevel() [L358] tmp___0 = getWaterLevel() [L360] COND TRUE tmp___0 == 2 [L362] CALL, EXPR isPumpRunning() [L185] int retValue_acc ; [L188] retValue_acc = pumpRunning [L189] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L362] RET, EXPR isPumpRunning() [L362] tmp___1 = isPumpRunning() [L364] COND FALSE !(\read(tmp___1)) [L368] CALL __automaton_fail() [L54] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 179 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 175 mSDsluCounter, 903 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 457 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 446 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=261occurred in iteration=4, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 178 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 20:24:20,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e461d49-79fc-4edf-8662-7d95346f7b51/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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