./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_cad2158b-1391-4e34-a927-2745a671b4a5/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad2158b-1391-4e34-a927-2745a671b4a5/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_cad2158b-1391-4e34-a927-2745a671b4a5/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad2158b-1391-4e34-a927-2745a671b4a5/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad2158b-1391-4e34-a927-2745a671b4a5/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad2158b-1391-4e34-a927-2745a671b4a5/bin/uautomizer-ug76WZFUDN --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 dd52ee49877a3a0d48a9689aeac254899fd95defe3d0906597581ea0d45f066f --- 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 09:33:35,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:33:35,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:33:35,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:33:35,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:33:35,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:33:35,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:33:35,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:33:35,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:33:35,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:33:35,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:33:35,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:33:35,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:33:35,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:33:35,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:33:35,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:33:35,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:33:35,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:33:35,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:33:35,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:33:35,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:33:35,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:33:35,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:33:35,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:33:35,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:33:35,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:33:35,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:33:35,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:33:35,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:33:35,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:33:35,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:33:35,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:33:35,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:33:35,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:33:35,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:33:35,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:33:35,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:33:35,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:33:35,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:33:35,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:33:35,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:33:35,847 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad2158b-1391-4e34-a927-2745a671b4a5/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 09:33:35,898 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:33:35,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:33:35,904 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:33:35,904 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:33:35,905 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:33:35,906 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:33:35,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:33:35,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:33:35,907 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:33:35,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:33:35,909 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 09:33:35,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:33:35,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 09:33:35,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:33:35,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:33:35,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:33:35,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:33:35,911 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 09:33:35,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:33:35,911 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:33:35,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:33:35,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:33:35,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:33:35,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:33:35,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:33:35,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:33:35,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:33:35,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:33:35,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:33:35,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:33:35,915 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:33:35,915 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:33:35,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:33:35,916 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_cad2158b-1391-4e34-a927-2745a671b4a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad2158b-1391-4e34-a927-2745a671b4a5/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd52ee49877a3a0d48a9689aeac254899fd95defe3d0906597581ea0d45f066f [2022-11-20 09:33:36,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:33:36,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:33:36,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:33:36,372 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:33:36,373 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:33:36,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad2158b-1391-4e34-a927-2745a671b4a5/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2022-11-20 09:33:39,742 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:33:40,143 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:33:40,144 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad2158b-1391-4e34-a927-2745a671b4a5/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2022-11-20 09:33:40,157 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad2158b-1391-4e34-a927-2745a671b4a5/bin/uautomizer-ug76WZFUDN/data/eb19f11b0/096442ee12084ea99ffbd25e2a811475/FLAG360ba6d86 [2022-11-20 09:33:40,188 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad2158b-1391-4e34-a927-2745a671b4a5/bin/uautomizer-ug76WZFUDN/data/eb19f11b0/096442ee12084ea99ffbd25e2a811475 [2022-11-20 09:33:40,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:33:40,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:33:40,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:33:40,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:33:40,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:33:40,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:33:40" (1/1) ... [2022-11-20 09:33:40,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e3a9c50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:40, skipping insertion in model container [2022-11-20 09:33:40,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:33:40" (1/1) ... [2022-11-20 09:33:40,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:33:40,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:33:40,696 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_cad2158b-1391-4e34-a927-2745a671b4a5/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c[16321,16334] [2022-11-20 09:33:40,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:33:40,721 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:33:40,789 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_cad2158b-1391-4e34-a927-2745a671b4a5/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c[16321,16334] [2022-11-20 09:33:40,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:33:40,812 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:33:40,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:40 WrapperNode [2022-11-20 09:33:40,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:33:40,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:33:40,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:33:40,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:33:40,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:40" (1/1) ... [2022-11-20 09:33:40,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:40" (1/1) ... [2022-11-20 09:33:40,896 INFO L138 Inliner]: procedures = 53, calls = 94, calls flagged for inlining = 22, calls inlined = 16, statements flattened = 138 [2022-11-20 09:33:40,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:33:40,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:33:40,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:33:40,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:33:40,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:40" (1/1) ... [2022-11-20 09:33:40,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:40" (1/1) ... [2022-11-20 09:33:40,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:40" (1/1) ... [2022-11-20 09:33:40,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:40" (1/1) ... [2022-11-20 09:33:40,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:40" (1/1) ... [2022-11-20 09:33:40,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:40" (1/1) ... [2022-11-20 09:33:40,948 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:40" (1/1) ... [2022-11-20 09:33:40,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:40" (1/1) ... [2022-11-20 09:33:40,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:33:40,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:33:40,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:33:40,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:33:40,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:40" (1/1) ... [2022-11-20 09:33:40,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:33:40,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad2158b-1391-4e34-a927-2745a671b4a5/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:40,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad2158b-1391-4e34-a927-2745a671b4a5/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:40,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad2158b-1391-4e34-a927-2745a671b4a5/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:33:41,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:33:41,036 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 09:33:41,036 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 09:33:41,036 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 09:33:41,036 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 09:33:41,036 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 09:33:41,037 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 09:33:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-20 09:33:41,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-20 09:33:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:33:41,037 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 09:33:41,038 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 09:33:41,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:33:41,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:33:41,172 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:33:41,176 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:33:41,555 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:33:41,563 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:33:41,563 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 09:33:41,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:33:41 BoogieIcfgContainer [2022-11-20 09:33:41,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:33:41,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:33:41,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:33:41,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:33:41,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:33:40" (1/3) ... [2022-11-20 09:33:41,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7188ad3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:33:41, skipping insertion in model container [2022-11-20 09:33:41,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:40" (2/3) ... [2022-11-20 09:33:41,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7188ad3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:33:41, skipping insertion in model container [2022-11-20 09:33:41,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:33:41" (3/3) ... [2022-11-20 09:33:41,576 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product10.cil.c [2022-11-20 09:33:41,600 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:33:41,600 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 09:33:41,664 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:33:41,672 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;@1f48ee3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:33:41,672 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 09:33:41,677 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 58 states have internal predecessors, (74), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-20 09:33:41,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 09:33:41,689 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:41,690 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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] [2022-11-20 09:33:41,690 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:33:41,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:41,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1621276931, now seen corresponding path program 1 times [2022-11-20 09:33:41,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:41,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697384210] [2022-11-20 09:33:41,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:41,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:41,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 09:33:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:41,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 09:33:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:41,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 09:33:41,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:41,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697384210] [2022-11-20 09:33:41,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697384210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:41,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:41,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:41,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582377040] [2022-11-20 09:33:41,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:41,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 09:33:41,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:42,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 09:33:42,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 09:33:42,037 INFO L87 Difference]: Start difference. First operand has 69 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 58 states have internal predecessors, (74), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 09:33:42,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:42,096 INFO L93 Difference]: Finished difference Result 129 states and 174 transitions. [2022-11-20 09:33:42,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 09:33:42,099 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-20 09:33:42,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:42,109 INFO L225 Difference]: With dead ends: 129 [2022-11-20 09:33:42,109 INFO L226 Difference]: Without dead ends: 60 [2022-11-20 09:33:42,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 09:33:42,127 INFO L413 NwaCegarLoop]: 84 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, 84 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 [2022-11-20 09:33:42,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:33:42,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-11-20 09:33:42,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-11-20 09:33:42,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 50 states have internal predecessors, (60), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-20 09:33:42,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions. [2022-11-20 09:33:42,214 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 75 transitions. Word has length 32 [2022-11-20 09:33:42,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:42,215 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 75 transitions. [2022-11-20 09:33:42,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 09:33:42,215 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-11-20 09:33:42,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 09:33:42,218 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:42,219 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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] [2022-11-20 09:33:42,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 09:33:42,219 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:33:42,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:42,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1996971476, now seen corresponding path program 1 times [2022-11-20 09:33:42,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:42,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58796747] [2022-11-20 09:33:42,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:42,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:42,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:33:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:42,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-20 09:33:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:42,396 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 09:33:42,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:42,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58796747] [2022-11-20 09:33:42,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58796747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:42,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:42,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:33:42,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632464508] [2022-11-20 09:33:42,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:42,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:42,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:42,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:42,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:42,402 INFO L87 Difference]: Start difference. First operand 60 states and 75 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 09:33:42,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:42,422 INFO L93 Difference]: Finished difference Result 84 states and 104 transitions. [2022-11-20 09:33:42,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:42,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-20 09:33:42,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:42,424 INFO L225 Difference]: With dead ends: 84 [2022-11-20 09:33:42,425 INFO L226 Difference]: Without dead ends: 51 [2022-11-20 09:33:42,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:42,427 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 13 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 107 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 [2022-11-20 09:33:42,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:33:42,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-20 09:33:42,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-20 09:33:42,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 44 states have internal predecessors, (53), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-20 09:33:42,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2022-11-20 09:33:42,438 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 33 [2022-11-20 09:33:42,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:42,438 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2022-11-20 09:33:42,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 09:33:42,439 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-11-20 09:33:42,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 09:33:42,441 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:42,441 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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] [2022-11-20 09:33:42,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 09:33:42,442 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:33:42,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:42,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1775458659, now seen corresponding path program 1 times [2022-11-20 09:33:42,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:42,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360269592] [2022-11-20 09:33:42,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:42,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:42,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 09:33:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:42,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-20 09:33:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:42,654 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 09:33:42,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:42,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360269592] [2022-11-20 09:33:42,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360269592] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:42,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:42,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:33:42,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511138905] [2022-11-20 09:33:42,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:42,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:33:42,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:42,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:33:42,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:33:42,659 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 09:33:42,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:42,811 INFO L93 Difference]: Finished difference Result 94 states and 119 transitions. [2022-11-20 09:33:42,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:33:42,812 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-11-20 09:33:42,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:42,814 INFO L225 Difference]: With dead ends: 94 [2022-11-20 09:33:42,814 INFO L226 Difference]: Without dead ends: 51 [2022-11-20 09:33:42,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 09:33:42,817 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 90 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:33:42,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 118 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:33:42,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-20 09:33:42,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-20 09:33:42,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 41 states have (on average 1.2682926829268293) internal successors, (52), 44 states have internal predecessors, (52), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-20 09:33:42,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 62 transitions. [2022-11-20 09:33:42,832 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 62 transitions. Word has length 38 [2022-11-20 09:33:42,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:42,834 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 62 transitions. [2022-11-20 09:33:42,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 09:33:42,834 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2022-11-20 09:33:42,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 09:33:42,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:42,836 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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] [2022-11-20 09:33:42,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 09:33:42,837 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:33:42,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:42,838 INFO L85 PathProgramCache]: Analyzing trace with hash 139044105, now seen corresponding path program 1 times [2022-11-20 09:33:42,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:42,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045843951] [2022-11-20 09:33:42,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:42,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:43,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 09:33:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:43,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-20 09:33:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:43,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 09:33:43,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:43,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045843951] [2022-11-20 09:33:43,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045843951] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:43,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:43,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:33:43,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125608461] [2022-11-20 09:33:43,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:43,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:33:43,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:43,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:33:43,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:33:43,114 INFO L87 Difference]: Start difference. First operand 51 states and 62 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 09:33:43,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:43,206 INFO L93 Difference]: Finished difference Result 92 states and 114 transitions. [2022-11-20 09:33:43,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:33:43,207 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2022-11-20 09:33:43,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:43,208 INFO L225 Difference]: With dead ends: 92 [2022-11-20 09:33:43,208 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 09:33:43,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:33:43,211 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 28 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:33:43,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 194 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:33:43,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 09:33:43,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 09:33:43,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 09:33:43,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 09:33:43,214 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2022-11-20 09:33:43,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:43,215 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 09:33:43,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 09:33:43,215 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 09:33:43,215 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 09:33:43,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 09:33:43,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 09:33:43,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 09:33:43,413 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 120 131) the Hoare annotation is: true [2022-11-20 09:33:43,413 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 120 131) no Hoare annotation was computed. [2022-11-20 09:33:43,414 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2022-11-20 09:33:43,414 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 810 839) no Hoare annotation was computed. [2022-11-20 09:33:43,414 INFO L899 garLoopResultBuilder]: For program point L831(line 831) no Hoare annotation was computed. [2022-11-20 09:33:43,414 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 810 839) the Hoare annotation is: true [2022-11-20 09:33:43,415 INFO L899 garLoopResultBuilder]: For program point L824(lines 824 828) no Hoare annotation was computed. [2022-11-20 09:33:43,415 INFO L902 garLoopResultBuilder]: At program point L824-1(lines 824 828) the Hoare annotation is: true [2022-11-20 09:33:43,415 INFO L899 garLoopResultBuilder]: For program point L821(line 821) no Hoare annotation was computed. [2022-11-20 09:33:43,415 INFO L902 garLoopResultBuilder]: At program point L820-2(lines 820 834) the Hoare annotation is: true [2022-11-20 09:33:43,416 INFO L902 garLoopResultBuilder]: At program point L816(line 816) the Hoare annotation is: true [2022-11-20 09:33:43,416 INFO L899 garLoopResultBuilder]: For program point L816-1(line 816) no Hoare annotation was computed. [2022-11-20 09:33:43,416 INFO L902 garLoopResultBuilder]: At program point L835(lines 810 839) the Hoare annotation is: true [2022-11-20 09:33:43,416 INFO L902 garLoopResultBuilder]: At program point L192(lines 185 194) the Hoare annotation is: true [2022-11-20 09:33:43,417 INFO L902 garLoopResultBuilder]: At program point L205(line 205) the Hoare annotation is: true [2022-11-20 09:33:43,417 INFO L899 garLoopResultBuilder]: For program point L205-1(line 205) no Hoare annotation was computed. [2022-11-20 09:33:43,417 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 667 693) no Hoare annotation was computed. [2022-11-20 09:33:43,417 INFO L899 garLoopResultBuilder]: For program point L804(line 804) no Hoare annotation was computed. [2022-11-20 09:33:43,417 INFO L902 garLoopResultBuilder]: At program point L169(lines 164 172) the Hoare annotation is: true [2022-11-20 09:33:43,418 INFO L899 garLoopResultBuilder]: For program point L681-1(lines 681 687) no Hoare annotation was computed. [2022-11-20 09:33:43,418 INFO L895 garLoopResultBuilder]: At program point L805(lines 800 807) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2022-11-20 09:33:43,418 INFO L902 garLoopResultBuilder]: At program point L190(line 190) the Hoare annotation is: true [2022-11-20 09:33:43,418 INFO L899 garLoopResultBuilder]: For program point L190-1(line 190) no Hoare annotation was computed. [2022-11-20 09:33:43,419 INFO L902 garLoopResultBuilder]: At program point L698(lines 694 700) the Hoare annotation is: true [2022-11-20 09:33:43,419 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 217) no Hoare annotation was computed. [2022-11-20 09:33:43,419 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 220) no Hoare annotation was computed. [2022-11-20 09:33:43,419 INFO L902 garLoopResultBuilder]: At program point L203-1(lines 195 223) the Hoare annotation is: true [2022-11-20 09:33:43,420 INFO L899 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2022-11-20 09:33:43,420 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 680) no Hoare annotation was computed. [2022-11-20 09:33:43,420 INFO L895 garLoopResultBuilder]: At program point L100-2(lines 96 107) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2022-11-20 09:33:43,420 INFO L899 garLoopResultBuilder]: For program point L674-2(lines 670 692) no Hoare annotation was computed. [2022-11-20 09:33:43,421 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 214) no Hoare annotation was computed. [2022-11-20 09:33:43,421 INFO L902 garLoopResultBuilder]: At program point timeShiftENTRY(lines 667 693) the Hoare annotation is: true [2022-11-20 09:33:43,421 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 667 693) no Hoare annotation was computed. [2022-11-20 09:33:43,421 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 804) no Hoare annotation was computed. [2022-11-20 09:33:43,422 INFO L895 garLoopResultBuilder]: At program point L642-2(lines 634 647) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)) [2022-11-20 09:33:43,422 INFO L899 garLoopResultBuilder]: For program point L605(lines 604 651) no Hoare annotation was computed. [2022-11-20 09:33:43,422 INFO L899 garLoopResultBuilder]: For program point L634(lines 634 647) no Hoare annotation was computed. [2022-11-20 09:33:43,422 INFO L895 garLoopResultBuilder]: At program point L626(line 626) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)) [2022-11-20 09:33:43,423 INFO L902 garLoopResultBuilder]: At program point L655(lines 594 659) the Hoare annotation is: true [2022-11-20 09:33:43,423 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 620) no Hoare annotation was computed. [2022-11-20 09:33:43,423 INFO L899 garLoopResultBuilder]: For program point L614-1(lines 614 620) no Hoare annotation was computed. [2022-11-20 09:33:43,423 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 09:33:43,424 INFO L899 garLoopResultBuilder]: For program point L606(lines 606 610) no Hoare annotation was computed. [2022-11-20 09:33:43,424 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 09:33:43,424 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 09:33:43,424 INFO L895 garLoopResultBuilder]: At program point L796(lines 791 798) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)) [2022-11-20 09:33:43,425 INFO L902 garLoopResultBuilder]: At program point L879(lines 871 881) the Hoare annotation is: true [2022-11-20 09:33:43,425 INFO L895 garLoopResultBuilder]: At program point L652(lines 603 653) the Hoare annotation is: false [2022-11-20 09:33:43,425 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 09:33:43,425 INFO L899 garLoopResultBuilder]: For program point L892(lines 892 899) no Hoare annotation was computed. [2022-11-20 09:33:43,426 INFO L899 garLoopResultBuilder]: For program point L892-2(lines 892 899) no Hoare annotation was computed. [2022-11-20 09:33:43,426 INFO L895 garLoopResultBuilder]: At program point L182(lines 177 184) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)) [2022-11-20 09:33:43,426 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-20 09:33:43,426 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 630) no Hoare annotation was computed. [2022-11-20 09:33:43,427 INFO L899 garLoopResultBuilder]: For program point L624-1(lines 624 630) no Hoare annotation was computed. [2022-11-20 09:33:43,427 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 09:33:43,427 INFO L895 garLoopResultBuilder]: At program point L649(lines 604 651) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)) [2022-11-20 09:33:43,427 INFO L895 garLoopResultBuilder]: At program point L616(line 616) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)) [2022-11-20 09:33:43,428 INFO L902 garLoopResultBuilder]: At program point L901(lines 882 904) the Hoare annotation is: true [2022-11-20 09:33:43,428 INFO L895 garLoopResultBuilder]: At program point L868(lines 864 870) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)) [2022-11-20 09:33:43,428 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 09:33:43,429 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 646) no Hoare annotation was computed. [2022-11-20 09:33:43,429 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 108 119) no Hoare annotation was computed. [2022-11-20 09:33:43,429 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2022-11-20 09:33:43,429 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 108 119) the Hoare annotation is: true [2022-11-20 09:33:43,429 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 746 754) no Hoare annotation was computed. [2022-11-20 09:33:43,430 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 746 754) the Hoare annotation is: true [2022-11-20 09:33:43,430 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 746 754) no Hoare annotation was computed. [2022-11-20 09:33:43,434 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-20 09:33:43,436 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 09:33:43,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:33:43 BoogieIcfgContainer [2022-11-20 09:33:43,453 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 09:33:43,454 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:33:43,454 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:33:43,455 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:33:43,455 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:33:41" (3/4) ... [2022-11-20 09:33:43,459 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 09:33:43,466 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 09:33:43,467 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 09:33:43,467 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 09:33:43,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 09:33:43,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-20 09:33:43,474 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-20 09:33:43,474 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 09:33:43,475 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 09:33:43,475 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 09:33:43,476 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 09:33:43,507 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive [2022-11-20 09:33:43,507 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-11-20 09:33:43,508 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-11-20 09:33:43,508 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive [2022-11-20 09:33:43,511 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive [2022-11-20 09:33:43,548 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad2158b-1391-4e34-a927-2745a671b4a5/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 09:33:43,549 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:33:43,551 INFO L158 Benchmark]: Toolchain (without parser) took 3356.28ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 116.0MB in the beginning and 113.9MB in the end (delta: 2.1MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2022-11-20 09:33:43,551 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:33:43,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 618.55ms. Allocated memory is still 153.1MB. Free memory was 115.4MB in the beginning and 111.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 09:33:43,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.79ms. Allocated memory is still 153.1MB. Free memory was 111.3MB in the beginning and 109.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:33:43,552 INFO L158 Benchmark]: Boogie Preprocessor took 54.77ms. Allocated memory is still 153.1MB. Free memory was 109.2MB in the beginning and 108.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:33:43,552 INFO L158 Benchmark]: RCFGBuilder took 612.91ms. Allocated memory is still 153.1MB. Free memory was 108.0MB in the beginning and 93.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 09:33:43,553 INFO L158 Benchmark]: TraceAbstraction took 1884.86ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 92.5MB in the beginning and 119.1MB in the end (delta: -26.7MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-11-20 09:33:43,553 INFO L158 Benchmark]: Witness Printer took 94.53ms. Allocated memory is still 184.5MB. Free memory was 119.1MB in the beginning and 113.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 09:33:43,556 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 119.5MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 618.55ms. Allocated memory is still 153.1MB. Free memory was 115.4MB in the beginning and 111.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.79ms. Allocated memory is still 153.1MB. Free memory was 111.3MB in the beginning and 109.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.77ms. Allocated memory is still 153.1MB. Free memory was 109.2MB in the beginning and 108.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 612.91ms. Allocated memory is still 153.1MB. Free memory was 108.0MB in the beginning and 93.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1884.86ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 92.5MB in the beginning and 119.1MB in the end (delta: -26.7MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Witness Printer took 94.53ms. Allocated memory is still 184.5MB. Free memory was 119.1MB in the beginning and 113.9MB in the end (delta: 5.2MB). 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 - PositiveResult [Line: 804]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 135 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 131 mSDsluCounter, 503 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 248 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 255 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, InterpolantAutomatonStates: 16, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 114 PreInvPairs, 128 NumberOfFragments, 167 HoareAnnotationTreeSize, 114 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 160 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 270 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && tmp == systemActive RESULT: Ultimate proved your program to be correct! [2022-11-20 09:33:43,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad2158b-1391-4e34-a927-2745a671b4a5/bin/uautomizer-ug76WZFUDN/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 Result: TRUE