./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_bdbb2eb3-0e8f-4335-b0b1-c26936b74b43/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbb2eb3-0e8f-4335-b0b1-c26936b74b43/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbb2eb3-0e8f-4335-b0b1-c26936b74b43/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbb2eb3-0e8f-4335-b0b1-c26936b74b43/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbb2eb3-0e8f-4335-b0b1-c26936b74b43/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbb2eb3-0e8f-4335-b0b1-c26936b74b43/bin/uautomizer-QkZJyEgLgS --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 707a68b5ae5daf5497cfeaeef06b8e51a77f018401ec73338bde503119bd77ef --- 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-4e7fbc6 [2022-11-23 03:47:31,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:47:31,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:47:31,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:47:31,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:47:31,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:47:31,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:47:31,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:47:31,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:47:31,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:47:31,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:47:31,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:47:31,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:47:31,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:47:31,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:47:31,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:47:31,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:47:31,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:47:31,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:47:31,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:47:31,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:47:31,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:47:31,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:47:31,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:47:31,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:47:31,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:47:31,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:47:31,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:47:31,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:47:31,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:47:31,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:47:31,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:47:31,831 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:47:31,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:47:31,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:47:31,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:47:31,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:47:31,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:47:31,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:47:31,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:47:31,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:47:31,839 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbb2eb3-0e8f-4335-b0b1-c26936b74b43/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-23 03:47:31,878 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:47:31,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:47:31,879 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:47:31,879 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:47:31,880 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:47:31,881 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:47:31,881 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:47:31,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:47:31,882 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:47:31,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:47:31,883 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 03:47:31,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:47:31,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 03:47:31,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:47:31,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:47:31,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:47:31,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:47:31,885 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 03:47:31,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:47:31,885 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:47:31,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:47:31,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:47:31,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:47:31,886 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:47:31,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:47:31,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:47:31,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:47:31,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:47:31,888 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:47:31,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 03:47:31,888 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:47:31,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:47:31,889 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:47:31,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:47:31,889 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_bdbb2eb3-0e8f-4335-b0b1-c26936b74b43/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbb2eb3-0e8f-4335-b0b1-c26936b74b43/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 707a68b5ae5daf5497cfeaeef06b8e51a77f018401ec73338bde503119bd77ef [2022-11-23 03:47:32,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:47:32,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:47:32,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:47:32,178 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:47:32,178 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:47:32,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbb2eb3-0e8f-4335-b0b1-c26936b74b43/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2022-11-23 03:47:35,285 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:47:35,523 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:47:35,524 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbb2eb3-0e8f-4335-b0b1-c26936b74b43/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2022-11-23 03:47:35,535 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbb2eb3-0e8f-4335-b0b1-c26936b74b43/bin/uautomizer-QkZJyEgLgS/data/ce603d0d6/681b32582ac14d29bdc0d0e0c780a809/FLAG5c2065075 [2022-11-23 03:47:35,550 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbb2eb3-0e8f-4335-b0b1-c26936b74b43/bin/uautomizer-QkZJyEgLgS/data/ce603d0d6/681b32582ac14d29bdc0d0e0c780a809 [2022-11-23 03:47:35,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:47:35,554 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:47:35,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:47:35,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:47:35,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:47:35,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:35" (1/1) ... [2022-11-23 03:47:35,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509eabf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:35, skipping insertion in model container [2022-11-23 03:47:35,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:35" (1/1) ... [2022-11-23 03:47:35,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:47:35,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:47:35,834 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_bdbb2eb3-0e8f-4335-b0b1-c26936b74b43/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c[2897,2910] [2022-11-23 03:47:35,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:47:35,925 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:47:35,943 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_bdbb2eb3-0e8f-4335-b0b1-c26936b74b43/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c[2897,2910] [2022-11-23 03:47:36,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:47:36,040 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:47:36,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:36 WrapperNode [2022-11-23 03:47:36,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:47:36,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:47:36,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:47:36,042 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:47:36,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:36" (1/1) ... [2022-11-23 03:47:36,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:36" (1/1) ... [2022-11-23 03:47:36,098 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 23, calls inlined = 17, statements flattened = 166 [2022-11-23 03:47:36,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:47:36,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:47:36,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:47:36,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:47:36,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:36" (1/1) ... [2022-11-23 03:47:36,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:36" (1/1) ... [2022-11-23 03:47:36,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:36" (1/1) ... [2022-11-23 03:47:36,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:36" (1/1) ... [2022-11-23 03:47:36,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:36" (1/1) ... [2022-11-23 03:47:36,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:36" (1/1) ... [2022-11-23 03:47:36,137 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:36" (1/1) ... [2022-11-23 03:47:36,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:36" (1/1) ... [2022-11-23 03:47:36,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:47:36,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:47:36,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:47:36,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:47:36,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:36" (1/1) ... [2022-11-23 03:47:36,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:47:36,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbb2eb3-0e8f-4335-b0b1-c26936b74b43/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:47:36,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbb2eb3-0e8f-4335-b0b1-c26936b74b43/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:47:36,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbb2eb3-0e8f-4335-b0b1-c26936b74b43/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:47:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:47:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-23 03:47:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-23 03:47:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-23 03:47:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-23 03:47:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-23 03:47:36,243 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-23 03:47:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-23 03:47:36,243 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-23 03:47:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-23 03:47:36,244 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-23 03:47:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:47:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-23 03:47:36,244 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-23 03:47:36,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:47:36,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:47:36,356 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:47:36,359 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:47:36,682 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:47:36,689 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:47:36,690 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 03:47:36,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:47:36 BoogieIcfgContainer [2022-11-23 03:47:36,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:47:36,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:47:36,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:47:36,698 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:47:36,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:47:35" (1/3) ... [2022-11-23 03:47:36,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd85850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:47:36, skipping insertion in model container [2022-11-23 03:47:36,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:36" (2/3) ... [2022-11-23 03:47:36,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd85850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:47:36, skipping insertion in model container [2022-11-23 03:47:36,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:47:36" (3/3) ... [2022-11-23 03:47:36,701 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product27.cil.c [2022-11-23 03:47:36,719 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:47:36,719 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 03:47:36,774 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:47:36,781 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;@449132e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:47:36,781 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 03:47:36,787 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 58 states have (on average 1.396551724137931) internal successors, (81), 65 states have internal predecessors, (81), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-23 03:47:36,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-23 03:47:36,799 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:47:36,800 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:47:36,801 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:47:36,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:47:36,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1407183598, now seen corresponding path program 1 times [2022-11-23 03:47:36,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:47:36,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952917298] [2022-11-23 03:47:36,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:36,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:47:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:37,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:47:37,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:47:37,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952917298] [2022-11-23 03:47:37,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952917298] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:47:37,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:47:37,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 03:47:37,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426219967] [2022-11-23 03:47:37,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:47:37,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 03:47:37,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:47:37,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 03:47:37,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 03:47:37,209 INFO L87 Difference]: Start difference. First operand has 76 states, 58 states have (on average 1.396551724137931) internal successors, (81), 65 states have internal predecessors, (81), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:47:37,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:47:37,243 INFO L93 Difference]: Finished difference Result 144 states and 197 transitions. [2022-11-23 03:47:37,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 03:47:37,245 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-23 03:47:37,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:47:37,254 INFO L225 Difference]: With dead ends: 144 [2022-11-23 03:47:37,254 INFO L226 Difference]: Without dead ends: 67 [2022-11-23 03:47:37,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 03:47:37,261 INFO L413 NwaCegarLoop]: 95 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, 95 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 [2022-11-23 03:47:37,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:47:37,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-23 03:47:37,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-23 03:47:37,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 57 states have internal predecessors, (67), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-23 03:47:37,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 86 transitions. [2022-11-23 03:47:37,301 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 86 transitions. Word has length 19 [2022-11-23 03:47:37,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:47:37,302 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 86 transitions. [2022-11-23 03:47:37,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:47:37,302 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2022-11-23 03:47:37,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-23 03:47:37,304 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:47:37,304 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] [2022-11-23 03:47:37,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 03:47:37,305 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:47:37,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:47:37,305 INFO L85 PathProgramCache]: Analyzing trace with hash 321226629, now seen corresponding path program 1 times [2022-11-23 03:47:37,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:47:37,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214425041] [2022-11-23 03:47:37,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:37,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:47:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:37,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:47:37,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:47:37,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214425041] [2022-11-23 03:47:37,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214425041] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:47:37,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:47:37,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:47:37,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058525297] [2022-11-23 03:47:37,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:47:37,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:47:37,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:47:37,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:47:37,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:47:37,418 INFO L87 Difference]: Start difference. First operand 67 states and 86 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:47:37,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:47:37,435 INFO L93 Difference]: Finished difference Result 96 states and 122 transitions. [2022-11-23 03:47:37,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:47:37,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-23 03:47:37,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:47:37,437 INFO L225 Difference]: With dead ends: 96 [2022-11-23 03:47:37,437 INFO L226 Difference]: Without dead ends: 58 [2022-11-23 03:47:37,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:47:37,439 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 16 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 125 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 [2022-11-23 03:47:37,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 125 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:47:37,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-23 03:47:37,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-23 03:47:37,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 51 states have internal predecessors, (60), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-23 03:47:37,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions. [2022-11-23 03:47:37,450 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 74 transitions. Word has length 20 [2022-11-23 03:47:37,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:47:37,451 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 74 transitions. [2022-11-23 03:47:37,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:47:37,451 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2022-11-23 03:47:37,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 03:47:37,453 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:47:37,453 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] [2022-11-23 03:47:37,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 03:47:37,453 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:47:37,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:47:37,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1713085083, now seen corresponding path program 1 times [2022-11-23 03:47:37,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:47:37,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309501029] [2022-11-23 03:47:37,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:37,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:47:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:37,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:47:37,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:47:37,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309501029] [2022-11-23 03:47:37,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309501029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:47:37,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:47:37,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:47:37,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307298633] [2022-11-23 03:47:37,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:47:37,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:47:37,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:47:37,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:47:37,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:47:37,666 INFO L87 Difference]: Start difference. First operand 58 states and 74 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:47:37,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:47:37,854 INFO L93 Difference]: Finished difference Result 197 states and 259 transitions. [2022-11-23 03:47:37,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:47:37,855 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-23 03:47:37,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:47:37,857 INFO L225 Difference]: With dead ends: 197 [2022-11-23 03:47:37,857 INFO L226 Difference]: Without dead ends: 146 [2022-11-23 03:47:37,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 03:47:37,860 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 155 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 03:47:37,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 392 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 03:47:37,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2022-11-23 03:47:37,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 140. [2022-11-23 03:47:37,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 107 states have (on average 1.3738317757009346) internal successors, (147), 121 states have internal predecessors, (147), 18 states have call successors, (18), 14 states have call predecessors, (18), 14 states have return successors, (19), 12 states have call predecessors, (19), 18 states have call successors, (19) [2022-11-23 03:47:37,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 184 transitions. [2022-11-23 03:47:37,912 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 184 transitions. Word has length 24 [2022-11-23 03:47:37,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:47:37,913 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 184 transitions. [2022-11-23 03:47:37,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:47:37,913 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 184 transitions. [2022-11-23 03:47:37,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-23 03:47:37,917 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:47:37,917 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] [2022-11-23 03:47:37,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 03:47:37,918 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:47:37,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:47:37,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1716928239, now seen corresponding path program 1 times [2022-11-23 03:47:37,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:47:37,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057198782] [2022-11-23 03:47:37,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:37,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:47:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:38,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:47:38,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:47:38,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057198782] [2022-11-23 03:47:38,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057198782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:47:38,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:47:38,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:47:38,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356815118] [2022-11-23 03:47:38,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:47:38,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 03:47:38,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:47:38,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 03:47:38,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:47:38,140 INFO L87 Difference]: Start difference. First operand 140 states and 184 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:47:38,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:47:38,234 INFO L93 Difference]: Finished difference Result 389 states and 533 transitions. [2022-11-23 03:47:38,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 03:47:38,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-23 03:47:38,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:47:38,258 INFO L225 Difference]: With dead ends: 389 [2022-11-23 03:47:38,258 INFO L226 Difference]: Without dead ends: 256 [2022-11-23 03:47:38,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 03:47:38,270 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 46 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:47:38,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 288 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:47:38,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-11-23 03:47:38,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2022-11-23 03:47:38,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 194 states have (on average 1.3505154639175259) internal successors, (262), 218 states have internal predecessors, (262), 36 states have call successors, (36), 28 states have call predecessors, (36), 25 states have return successors, (42), 21 states have call predecessors, (42), 36 states have call successors, (42) [2022-11-23 03:47:38,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 340 transitions. [2022-11-23 03:47:38,369 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 340 transitions. Word has length 28 [2022-11-23 03:47:38,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:47:38,370 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 340 transitions. [2022-11-23 03:47:38,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:47:38,371 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 340 transitions. [2022-11-23 03:47:38,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-23 03:47:38,376 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:47:38,376 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] [2022-11-23 03:47:38,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 03:47:38,377 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:47:38,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:47:38,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1150482326, now seen corresponding path program 1 times [2022-11-23 03:47:38,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:47:38,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415090554] [2022-11-23 03:47:38,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:38,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:47:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:38,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:47:38,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:47:38,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415090554] [2022-11-23 03:47:38,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415090554] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:47:38,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:47:38,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 03:47:38,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171633241] [2022-11-23 03:47:38,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:47:38,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:47:38,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:47:38,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:47:38,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:47:38,517 INFO L87 Difference]: Start difference. First operand 256 states and 340 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:47:38,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:47:38,551 INFO L93 Difference]: Finished difference Result 444 states and 600 transitions. [2022-11-23 03:47:38,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:47:38,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-23 03:47:38,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:47:38,554 INFO L225 Difference]: With dead ends: 444 [2022-11-23 03:47:38,554 INFO L226 Difference]: Without dead ends: 195 [2022-11-23 03:47:38,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:47:38,558 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 33 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 03:47:38,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 49 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:47:38,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-11-23 03:47:38,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 191. [2022-11-23 03:47:38,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 149 states have (on average 1.2751677852348993) internal successors, (190), 159 states have internal predecessors, (190), 22 states have call successors, (22), 22 states have call predecessors, (22), 19 states have return successors, (24), 19 states have call predecessors, (24), 22 states have call successors, (24) [2022-11-23 03:47:38,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 236 transitions. [2022-11-23 03:47:38,584 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 236 transitions. Word has length 30 [2022-11-23 03:47:38,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:47:38,585 INFO L495 AbstractCegarLoop]: Abstraction has 191 states and 236 transitions. [2022-11-23 03:47:38,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:47:38,585 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 236 transitions. [2022-11-23 03:47:38,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-23 03:47:38,587 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:47:38,587 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] [2022-11-23 03:47:38,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 03:47:38,587 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:47:38,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:47:38,588 INFO L85 PathProgramCache]: Analyzing trace with hash 2143013367, now seen corresponding path program 1 times [2022-11-23 03:47:38,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:47:38,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929877678] [2022-11-23 03:47:38,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:47:38,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:47:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:38,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-23 03:47:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:47:38,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:47:38,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:47:38,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929877678] [2022-11-23 03:47:38,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929877678] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:47:38,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:47:38,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:47:38,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064325104] [2022-11-23 03:47:38,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:47:38,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:47:38,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:47:38,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:47:38,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:47:38,687 INFO L87 Difference]: Start difference. First operand 191 states and 236 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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) [2022-11-23 03:47:38,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:47:38,794 INFO L93 Difference]: Finished difference Result 206 states and 252 transitions. [2022-11-23 03:47:38,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:47:38,795 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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 32 [2022-11-23 03:47:38,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:47:38,795 INFO L225 Difference]: With dead ends: 206 [2022-11-23 03:47:38,795 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 03:47:38,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-23 03:47:38,802 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 48 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 03:47:38,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 143 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 03:47:38,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 03:47:38,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 03:47:38,811 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) [2022-11-23 03:47:38,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 03:47:38,811 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2022-11-23 03:47:38,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:47:38,813 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 03:47:38,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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) [2022-11-23 03:47:38,813 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 03:47:38,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 03:47:38,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 03:47:38,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 03:47:38,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 03:47:39,589 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 440 447) the Hoare annotation is: true [2022-11-23 03:47:39,590 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 440 447) no Hoare annotation was computed. [2022-11-23 03:47:39,590 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 440 447) no Hoare annotation was computed. [2022-11-23 03:47:39,590 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 381 387) no Hoare annotation was computed. [2022-11-23 03:47:39,590 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 381 387) the Hoare annotation is: true [2022-11-23 03:47:39,590 INFO L899 garLoopResultBuilder]: For program point L225-1(lines 221 232) no Hoare annotation was computed. [2022-11-23 03:47:39,591 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 221 232) the Hoare annotation is: true [2022-11-23 03:47:39,591 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 221 232) no Hoare annotation was computed. [2022-11-23 03:47:39,591 INFO L895 garLoopResultBuilder]: At program point L159(lines 154 161) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-23 03:47:39,591 INFO L895 garLoopResultBuilder]: At program point L279(lines 274 282) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-23 03:47:39,591 INFO L895 garLoopResultBuilder]: At program point L403(line 403) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-23 03:47:39,592 INFO L895 garLoopResultBuilder]: At program point L399(line 399) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-23 03:47:39,592 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 205) no Hoare annotation was computed. [2022-11-23 03:47:39,592 INFO L895 garLoopResultBuilder]: At program point L201-2(lines 197 208) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-23 03:47:39,592 INFO L895 garLoopResultBuilder]: At program point L519(lines 504 522) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-23 03:47:39,592 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 357 380) no Hoare annotation was computed. [2022-11-23 03:47:39,593 INFO L895 garLoopResultBuilder]: At program point L408(line 408) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0)))) [2022-11-23 03:47:39,593 INFO L895 garLoopResultBuilder]: At program point L408-1(lines 389 413) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0)))) [2022-11-23 03:47:39,593 INFO L899 garLoopResultBuilder]: For program point L177(lines 177 183) no Hoare annotation was computed. [2022-11-23 03:47:39,593 INFO L899 garLoopResultBuilder]: For program point L173(lines 173 186) no Hoare annotation was computed. [2022-11-23 03:47:39,593 INFO L895 garLoopResultBuilder]: At program point L173-1(lines 165 189) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= |timeShift___utac_acc__Specification4_spec__1_~tmp~1#1| 1) (= |timeShift_getWaterLevel_#res#1| 1))) (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))))) [2022-11-23 03:47:39,593 INFO L899 garLoopResultBuilder]: For program point L368-1(lines 368 374) no Hoare annotation was computed. [2022-11-23 03:47:39,594 INFO L899 garLoopResultBuilder]: For program point L397(lines 397 405) no Hoare annotation was computed. [2022-11-23 03:47:39,594 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 410) no Hoare annotation was computed. [2022-11-23 03:47:39,594 INFO L899 garLoopResultBuilder]: For program point L513(lines 513 517) no Hoare annotation was computed. [2022-11-23 03:47:39,594 INFO L899 garLoopResultBuilder]: For program point L513-2(lines 513 517) no Hoare annotation was computed. [2022-11-23 03:47:39,594 INFO L899 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2022-11-23 03:47:39,595 INFO L895 garLoopResultBuilder]: At program point L464(lines 459 467) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (not (= |old(~waterLevel~0)| 1))))) [2022-11-23 03:47:39,595 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 357 380) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2022-11-23 03:47:39,595 INFO L895 garLoopResultBuilder]: At program point L270(lines 265 273) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= |timeShift_getWaterLevel_#res#1| 1)))) [2022-11-23 03:47:39,595 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 357 380) no Hoare annotation was computed. [2022-11-23 03:47:39,595 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2022-11-23 03:47:39,599 INFO L899 garLoopResultBuilder]: For program point L361-1(lines 360 379) no Hoare annotation was computed. [2022-11-23 03:47:39,599 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-11-23 03:47:39,599 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-11-23 03:47:39,600 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-11-23 03:47:39,600 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-11-23 03:47:39,601 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-11-23 03:47:39,601 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-11-23 03:47:39,601 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-11-23 03:47:39,601 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-11-23 03:47:39,601 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-23 03:47:39,603 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-11-23 03:47:39,603 INFO L895 garLoopResultBuilder]: At program point L535(lines 523 537) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-23 03:47:39,603 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 533) no Hoare annotation was computed. [2022-11-23 03:47:39,603 INFO L899 garLoopResultBuilder]: For program point L527-1(lines 527 533) no Hoare annotation was computed. [2022-11-23 03:47:39,604 INFO L899 garLoopResultBuilder]: For program point L296(lines 295 342) no Hoare annotation was computed. [2022-11-23 03:47:39,604 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 338) no Hoare annotation was computed. [2022-11-23 03:47:39,604 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 03:47:39,604 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 03:47:39,605 INFO L895 garLoopResultBuilder]: At program point L317(line 317) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-23 03:47:39,605 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 03:47:39,605 INFO L902 garLoopResultBuilder]: At program point L346(lines 285 350) the Hoare annotation is: true [2022-11-23 03:47:39,605 INFO L895 garLoopResultBuilder]: At program point L569(lines 564 572) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-23 03:47:39,606 INFO L895 garLoopResultBuilder]: At program point L561(lines 557 563) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-23 03:47:39,606 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 311) no Hoare annotation was computed. [2022-11-23 03:47:39,606 INFO L899 garLoopResultBuilder]: For program point L305-1(lines 305 311) no Hoare annotation was computed. [2022-11-23 03:47:39,606 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-11-23 03:47:39,606 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2022-11-23 03:47:39,606 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 301) no Hoare annotation was computed. [2022-11-23 03:47:39,607 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 03:47:39,607 INFO L902 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2022-11-23 03:47:39,607 INFO L895 garLoopResultBuilder]: At program point L343(lines 294 344) the Hoare annotation is: false [2022-11-23 03:47:39,608 INFO L902 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2022-11-23 03:47:39,625 INFO L895 garLoopResultBuilder]: At program point L529(line 529) the Hoare annotation is: false [2022-11-23 03:47:39,625 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 337) no Hoare annotation was computed. [2022-11-23 03:47:39,626 INFO L895 garLoopResultBuilder]: At program point L554(lines 550 556) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-23 03:47:39,626 INFO L895 garLoopResultBuilder]: At program point L331-2(lines 325 338) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-23 03:47:39,626 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 321) no Hoare annotation was computed. [2022-11-23 03:47:39,626 INFO L899 garLoopResultBuilder]: For program point L315-1(lines 315 321) no Hoare annotation was computed. [2022-11-23 03:47:39,627 INFO L895 garLoopResultBuilder]: At program point L340(lines 295 342) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-23 03:47:39,628 INFO L895 garLoopResultBuilder]: At program point L307(line 307) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-23 03:47:39,628 INFO L895 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-23 03:47:39,635 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 209 220) no Hoare annotation was computed. [2022-11-23 03:47:39,636 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 209 220) no Hoare annotation was computed. [2022-11-23 03:47:39,636 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 209 220) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2022-11-23 03:47:39,639 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-23 03:47:39,644 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 03:47:39,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:47:39 BoogieIcfgContainer [2022-11-23 03:47:39,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 03:47:39,691 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:47:39,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:47:39,691 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:47:39,692 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:47:36" (3/4) ... [2022-11-23 03:47:39,695 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 03:47:39,701 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-23 03:47:39,701 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-23 03:47:39,702 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-23 03:47:39,702 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-23 03:47:39,702 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-23 03:47:39,702 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-23 03:47:39,708 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-23 03:47:39,709 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-23 03:47:39,709 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 03:47:39,709 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 03:47:39,710 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 03:47:39,735 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-23 03:47:39,746 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-23 03:47:39,747 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-23 03:47:39,747 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive)) [2022-11-23 03:47:39,748 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || \result == 1) [2022-11-23 03:47:39,748 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) [2022-11-23 03:47:39,748 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-23 03:47:39,749 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) [2022-11-23 03:47:39,749 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-23 03:47:39,749 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-23 03:47:39,771 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbb2eb3-0e8f-4335-b0b1-c26936b74b43/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 03:47:39,771 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:47:39,772 INFO L158 Benchmark]: Toolchain (without parser) took 4217.77ms. Allocated memory was 138.4MB in the beginning and 205.5MB in the end (delta: 67.1MB). Free memory was 73.8MB in the beginning and 163.3MB in the end (delta: -89.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:47:39,772 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory was 106.5MB in the beginning and 106.3MB in the end (delta: 163.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:47:39,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.60ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 73.4MB in the beginning and 126.0MB in the end (delta: -52.6MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-11-23 03:47:39,773 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.73ms. Allocated memory is still 169.9MB. Free memory was 126.0MB in the beginning and 124.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:47:39,773 INFO L158 Benchmark]: Boogie Preprocessor took 41.31ms. Allocated memory is still 169.9MB. Free memory was 124.6MB in the beginning and 122.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:47:39,773 INFO L158 Benchmark]: RCFGBuilder took 551.00ms. Allocated memory is still 169.9MB. Free memory was 122.6MB in the beginning and 107.2MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 03:47:39,774 INFO L158 Benchmark]: TraceAbstraction took 2995.68ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 107.2MB in the beginning and 168.5MB in the end (delta: -61.3MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2022-11-23 03:47:39,774 INFO L158 Benchmark]: Witness Printer took 80.61ms. Allocated memory is still 205.5MB. Free memory was 168.5MB in the beginning and 163.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 03:47:39,776 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory was 106.5MB in the beginning and 106.3MB in the end (delta: 163.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 485.60ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 73.4MB in the beginning and 126.0MB in the end (delta: -52.6MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.73ms. Allocated memory is still 169.9MB. Free memory was 126.0MB in the beginning and 124.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.31ms. Allocated memory is still 169.9MB. Free memory was 124.6MB in the beginning and 122.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 551.00ms. Allocated memory is still 169.9MB. Free memory was 122.6MB in the beginning and 107.2MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2995.68ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 107.2MB in the beginning and 168.5MB in the end (delta: -61.3MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. * Witness Printer took 80.61ms. Allocated memory is still 205.5MB. Free memory was 168.5MB in the beginning and 163.3MB 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: 158]: 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 7 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 303 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 298 mSDsluCounter, 1092 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 669 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 148 IncrementalHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 423 mSDtfsCounter, 148 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=256occurred in iteration=4, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 352 PreInvPairs, 418 NumberOfFragments, 252 HoareAnnotationTreeSize, 352 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 35 FomulaSimplificationsInter, 1653 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 147 ConstructedInterpolants, 0 QuantifiedInterpolants, 341 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive)) - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 459]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || \result == 1) - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 RESULT: Ultimate proved your program to be correct! [2022-11-23 03:47:39,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdbb2eb3-0e8f-4335-b0b1-c26936b74b43/bin/uautomizer-QkZJyEgLgS/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