./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8 --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 63a498e40ee7fb7960293994084186ed238562f61fafb5e109bd8b394667fc1f --- 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-e04fb08 [2022-11-16 12:12:49,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:12:49,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:12:49,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:12:49,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:12:49,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:12:49,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:12:49,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:12:49,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:12:49,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:12:49,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:12:49,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:12:49,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:12:49,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:12:49,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:12:49,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:12:49,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:12:49,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:12:49,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:12:49,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:12:49,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:12:49,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:12:49,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:12:49,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:12:49,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:12:49,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:12:49,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:12:49,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:12:49,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:12:49,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:12:49,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:12:49,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:12:49,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:12:49,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:12:49,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:12:49,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:12:49,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:12:49,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:12:49,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:12:49,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:12:49,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:12:49,946 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:12:49,982 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:12:49,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:12:49,983 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:12:49,983 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:12:49,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:12:49,984 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:12:49,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:12:49,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:12:49,985 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:12:49,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:12:49,987 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:12:49,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:12:49,987 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:12:49,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:12:49,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:12:49,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:12:49,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:12:49,988 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:12:49,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:12:49,989 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:12:49,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:12:49,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:12:49,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:12:49,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:12:49,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:12:49,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:12:49,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:12:49,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:12:50,004 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:12:50,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:12:50,005 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:12:50,005 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:12:50,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:12:50,006 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63a498e40ee7fb7960293994084186ed238562f61fafb5e109bd8b394667fc1f [2022-11-16 12:12:50,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:12:50,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:12:50,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:12:50,290 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:12:50,291 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:12:50,292 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2022-11-16 12:12:50,366 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/data/c3732a372/decf9751e89b4a82803f5c5e5cb64336/FLAG2a51c8e2f [2022-11-16 12:12:51,034 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:12:51,035 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2022-11-16 12:12:51,047 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/data/c3732a372/decf9751e89b4a82803f5c5e5cb64336/FLAG2a51c8e2f [2022-11-16 12:12:51,373 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/data/c3732a372/decf9751e89b4a82803f5c5e5cb64336 [2022-11-16 12:12:51,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:12:51,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:12:51,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:12:51,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:12:51,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:12:51,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:12:51" (1/1) ... [2022-11-16 12:12:51,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d44091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:51, skipping insertion in model container [2022-11-16 12:12:51,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:12:51" (1/1) ... [2022-11-16 12:12:51,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:12:51,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:12:51,711 WARN L229 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_d558af64-ff1e-4828-8d91-7b52c5812822/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c[13463,13476] [2022-11-16 12:12:51,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:12:51,792 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:12:51,845 WARN L229 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_d558af64-ff1e-4828-8d91-7b52c5812822/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c[13463,13476] [2022-11-16 12:12:51,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:12:51,893 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:12:51,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:51 WrapperNode [2022-11-16 12:12:51,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:12:51,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:12:51,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:12:51,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:12:51,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:51" (1/1) ... [2022-11-16 12:12:51,920 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:51" (1/1) ... [2022-11-16 12:12:51,949 INFO L138 Inliner]: procedures = 58, calls = 159, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 286 [2022-11-16 12:12:51,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:12:51,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:12:51,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:12:51,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:12:51,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:51" (1/1) ... [2022-11-16 12:12:51,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:51" (1/1) ... [2022-11-16 12:12:51,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:51" (1/1) ... [2022-11-16 12:12:51,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:51" (1/1) ... [2022-11-16 12:12:51,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:51" (1/1) ... [2022-11-16 12:12:51,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:51" (1/1) ... [2022-11-16 12:12:51,986 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:51" (1/1) ... [2022-11-16 12:12:51,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:51" (1/1) ... [2022-11-16 12:12:51,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:12:51,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:12:51,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:12:51,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:12:51,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:51" (1/1) ... [2022-11-16 12:12:51,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:12:52,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:12:52,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:12:52,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:12:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:12:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-16 12:12:52,085 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-16 12:12:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 12:12:52,085 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 12:12:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 12:12:52,085 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 12:12:52,087 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 12:12:52,088 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 12:12:52,088 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 12:12:52,088 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 12:12:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-16 12:12:52,089 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-16 12:12:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:12:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 12:12:52,089 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 12:12:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:12:52,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:12:52,216 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:12:52,218 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:12:52,657 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:12:52,673 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:12:52,674 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:12:52,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:12:52 BoogieIcfgContainer [2022-11-16 12:12:52,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:12:52,683 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:12:52,683 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:12:52,687 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:12:52,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:12:51" (1/3) ... [2022-11-16 12:12:52,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255057c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:12:52, skipping insertion in model container [2022-11-16 12:12:52,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:12:51" (2/3) ... [2022-11-16 12:12:52,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255057c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:12:52, skipping insertion in model container [2022-11-16 12:12:52,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:12:52" (3/3) ... [2022-11-16 12:12:52,692 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product60.cil.c [2022-11-16 12:12:52,713 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:12:52,713 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:12:52,847 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:12:52,867 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;@72aa3d5b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:12:52,867 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:12:52,873 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 82 states have internal predecessors, (101), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-16 12:12:52,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 12:12:52,883 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:12:52,883 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:12:52,884 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:12:52,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:12:52,893 INFO L85 PathProgramCache]: Analyzing trace with hash 194395982, now seen corresponding path program 1 times [2022-11-16 12:12:52,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:12:52,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555878242] [2022-11-16 12:12:52,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:12:52,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:12:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:12:53,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:12:53,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:12:53,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555878242] [2022-11-16 12:12:53,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555878242] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:12:53,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:12:53,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:12:53,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910431502] [2022-11-16 12:12:53,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:12:53,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 12:12:53,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:12:53,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 12:12:53,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:12:53,175 INFO L87 Difference]: Start difference. First operand has 94 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 82 states have internal predecessors, (101), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) 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) [2022-11-16 12:12:53,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:12:53,215 INFO L93 Difference]: Finished difference Result 180 states and 245 transitions. [2022-11-16 12:12:53,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 12:12:53,218 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 [2022-11-16 12:12:53,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:12:53,229 INFO L225 Difference]: With dead ends: 180 [2022-11-16 12:12:53,230 INFO L226 Difference]: Without dead ends: 85 [2022-11-16 12:12:53,234 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 [2022-11-16 12:12:53,238 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:12:53,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:12:53,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-16 12:12:53,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-11-16 12:12:53,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 66 states have (on average 1.3181818181818181) internal successors, (87), 74 states have internal predecessors, (87), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-16 12:12:53,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 110 transitions. [2022-11-16 12:12:53,299 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 110 transitions. Word has length 19 [2022-11-16 12:12:53,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:12:53,300 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 110 transitions. [2022-11-16 12:12:53,300 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) [2022-11-16 12:12:53,300 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2022-11-16 12:12:53,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 12:12:53,302 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:12:53,302 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] [2022-11-16 12:12:53,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:12:53,303 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:12:53,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:12:53,304 INFO L85 PathProgramCache]: Analyzing trace with hash -891560987, now seen corresponding path program 1 times [2022-11-16 12:12:53,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:12:53,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012034415] [2022-11-16 12:12:53,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:12:53,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:12:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:12:53,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:12:53,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:12:53,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012034415] [2022-11-16 12:12:53,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012034415] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:12:53,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:12:53,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:12:53,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368998383] [2022-11-16 12:12:53,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:12:53,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:12:53,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:12:53,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:12:53,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:12:53,525 INFO L87 Difference]: Start difference. First operand 85 states and 110 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) [2022-11-16 12:12:53,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:12:53,554 INFO L93 Difference]: Finished difference Result 131 states and 169 transitions. [2022-11-16 12:12:53,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:12:53,555 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 [2022-11-16 12:12:53,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:12:53,557 INFO L225 Difference]: With dead ends: 131 [2022-11-16 12:12:53,557 INFO L226 Difference]: Without dead ends: 76 [2022-11-16 12:12:53,558 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 [2022-11-16 12:12:53,559 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 17 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:12:53,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 172 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:12:53,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-16 12:12:53,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-16 12:12:53,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 68 states have internal predecessors, (80), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-16 12:12:53,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2022-11-16 12:12:53,572 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 20 [2022-11-16 12:12:53,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:12:53,572 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2022-11-16 12:12:53,573 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) [2022-11-16 12:12:53,573 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2022-11-16 12:12:53,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 12:12:53,574 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:12:53,574 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:12:53,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:12:53,575 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:12:53,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:12:53,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1763827496, now seen corresponding path program 1 times [2022-11-16 12:12:53,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:12:53,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497482046] [2022-11-16 12:12:53,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:12:53,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:12:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:12:53,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:12:53,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:12:53,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497482046] [2022-11-16 12:12:53,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497482046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:12:53,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:12:53,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:12:53,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725098261] [2022-11-16 12:12:53,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:12:53,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:12:53,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:12:53,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:12:53,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:12:53,896 INFO L87 Difference]: Start difference. First operand 76 states and 98 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2022-11-16 12:12:54,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:12:54,119 INFO L93 Difference]: Finished difference Result 266 states and 356 transitions. [2022-11-16 12:12:54,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:12:54,120 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 25 [2022-11-16 12:12:54,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:12:54,122 INFO L225 Difference]: With dead ends: 266 [2022-11-16 12:12:54,122 INFO L226 Difference]: Without dead ends: 197 [2022-11-16 12:12:54,123 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 [2022-11-16 12:12:54,125 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 284 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:12:54,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 458 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:12:54,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2022-11-16 12:12:54,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 175. [2022-11-16 12:12:54,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 136 states have (on average 1.3676470588235294) internal successors, (186), 154 states have internal predecessors, (186), 22 states have call successors, (22), 16 states have call predecessors, (22), 16 states have return successors, (23), 14 states have call predecessors, (23), 22 states have call successors, (23) [2022-11-16 12:12:54,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 231 transitions. [2022-11-16 12:12:54,158 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 231 transitions. Word has length 25 [2022-11-16 12:12:54,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:12:54,158 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 231 transitions. [2022-11-16 12:12:54,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2022-11-16 12:12:54,158 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 231 transitions. [2022-11-16 12:12:54,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-16 12:12:54,160 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:12:54,160 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] [2022-11-16 12:12:54,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:12:54,160 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:12:54,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:12:54,161 INFO L85 PathProgramCache]: Analyzing trace with hash 687850495, now seen corresponding path program 1 times [2022-11-16 12:12:54,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:12:54,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861575148] [2022-11-16 12:12:54,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:12:54,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:12:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:12:54,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:12:54,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:12:54,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861575148] [2022-11-16 12:12:54,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861575148] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:12:54,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:12:54,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:12:54,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400792129] [2022-11-16 12:12:54,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:12:54,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:12:54,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:12:54,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:12:54,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:12:54,361 INFO L87 Difference]: Start difference. First operand 175 states and 231 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) [2022-11-16 12:12:54,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:12:54,473 INFO L93 Difference]: Finished difference Result 494 states and 678 transitions. [2022-11-16 12:12:54,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:12:54,474 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 [2022-11-16 12:12:54,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:12:54,487 INFO L225 Difference]: With dead ends: 494 [2022-11-16 12:12:54,487 INFO L226 Difference]: Without dead ends: 326 [2022-11-16 12:12:54,493 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 [2022-11-16 12:12:54,497 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 69 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:12:54,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 385 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:12:54,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2022-11-16 12:12:54,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2022-11-16 12:12:54,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 252 states have (on average 1.3412698412698412) internal successors, (338), 284 states have internal predecessors, (338), 44 states have call successors, (44), 32 states have call predecessors, (44), 29 states have return successors, (50), 25 states have call predecessors, (50), 44 states have call successors, (50) [2022-11-16 12:12:54,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 432 transitions. [2022-11-16 12:12:54,548 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 432 transitions. Word has length 28 [2022-11-16 12:12:54,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:12:54,549 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 432 transitions. [2022-11-16 12:12:54,549 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) [2022-11-16 12:12:54,549 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 432 transitions. [2022-11-16 12:12:54,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-16 12:12:54,552 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:12:54,552 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] [2022-11-16 12:12:54,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:12:54,553 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:12:54,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:12:54,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1450440452, now seen corresponding path program 1 times [2022-11-16 12:12:54,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:12:54,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200661284] [2022-11-16 12:12:54,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:12:54,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:12:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:12:54,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:12:54,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:12:54,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200661284] [2022-11-16 12:12:54,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200661284] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:12:54,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:12:54,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:12:54,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070551772] [2022-11-16 12:12:54,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:12:54,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:12:54,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:12:54,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:12:54,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:12:54,684 INFO L87 Difference]: Start difference. First operand 326 states and 432 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) [2022-11-16 12:12:54,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:12:54,755 INFO L93 Difference]: Finished difference Result 754 states and 1025 transitions. [2022-11-16 12:12:54,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:12:54,757 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 [2022-11-16 12:12:54,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:12:54,765 INFO L225 Difference]: With dead ends: 754 [2022-11-16 12:12:54,765 INFO L226 Difference]: Without dead ends: 435 [2022-11-16 12:12:54,767 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 [2022-11-16 12:12:54,775 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 57 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:12:54,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 157 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:12:54,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2022-11-16 12:12:54,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 424. [2022-11-16 12:12:54,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 334 states have (on average 1.2934131736526946) internal successors, (432), 361 states have internal predecessors, (432), 47 states have call successors, (47), 45 states have call predecessors, (47), 42 states have return successors, (69), 41 states have call predecessors, (69), 47 states have call successors, (69) [2022-11-16 12:12:54,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 548 transitions. [2022-11-16 12:12:54,872 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 548 transitions. Word has length 30 [2022-11-16 12:12:54,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:12:54,872 INFO L495 AbstractCegarLoop]: Abstraction has 424 states and 548 transitions. [2022-11-16 12:12:54,872 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) [2022-11-16 12:12:54,872 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 548 transitions. [2022-11-16 12:12:54,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 12:12:54,880 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:12:54,880 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] [2022-11-16 12:12:54,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:12:54,881 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:12:54,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:12:54,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1164230885, now seen corresponding path program 1 times [2022-11-16 12:12:54,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:12:54,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628470004] [2022-11-16 12:12:54,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:12:54,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:12:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:12:55,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:12:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:12:55,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:12:55,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:12:55,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628470004] [2022-11-16 12:12:55,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628470004] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:12:55,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:12:55,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:12:55,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491537346] [2022-11-16 12:12:55,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:12:55,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:12:55,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:12:55,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:12:55,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:12:55,022 INFO L87 Difference]: Start difference. First operand 424 states and 548 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) [2022-11-16 12:12:55,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:12:55,373 INFO L93 Difference]: Finished difference Result 523 states and 679 transitions. [2022-11-16 12:12:55,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 12:12:55,374 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 [2022-11-16 12:12:55,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:12:55,377 INFO L225 Difference]: With dead ends: 523 [2022-11-16 12:12:55,377 INFO L226 Difference]: Without dead ends: 521 [2022-11-16 12:12:55,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:12:55,379 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 140 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:12:55,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 359 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:12:55,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2022-11-16 12:12:55,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 492. [2022-11-16 12:12:55,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 387 states have (on average 1.276485788113695) internal successors, (494), 425 states have internal predecessors, (494), 53 states have call successors, (53), 45 states have call predecessors, (53), 51 states have return successors, (88), 45 states have call predecessors, (88), 53 states have call successors, (88) [2022-11-16 12:12:55,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 635 transitions. [2022-11-16 12:12:55,434 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 635 transitions. Word has length 32 [2022-11-16 12:12:55,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:12:55,435 INFO L495 AbstractCegarLoop]: Abstraction has 492 states and 635 transitions. [2022-11-16 12:12:55,435 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) [2022-11-16 12:12:55,435 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 635 transitions. [2022-11-16 12:12:55,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-16 12:12:55,437 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:12:55,437 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:12:55,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:12:55,438 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:12:55,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:12:55,439 INFO L85 PathProgramCache]: Analyzing trace with hash 108395810, now seen corresponding path program 1 times [2022-11-16 12:12:55,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:12:55,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407131134] [2022-11-16 12:12:55,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:12:55,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:12:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:12:55,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:12:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:12:55,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:12:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:12:55,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:12:55,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:12:55,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407131134] [2022-11-16 12:12:55,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407131134] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:12:55,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:12:55,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:12:55,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305661782] [2022-11-16 12:12:55,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:12:55,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:12:55,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:12:55,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:12:55,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:12:55,587 INFO L87 Difference]: Start difference. First operand 492 states and 635 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:12:55,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:12:55,994 INFO L93 Difference]: Finished difference Result 1091 states and 1460 transitions. [2022-11-16 12:12:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:12:55,995 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 47 [2022-11-16 12:12:55,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:12:55,999 INFO L225 Difference]: With dead ends: 1091 [2022-11-16 12:12:55,999 INFO L226 Difference]: Without dead ends: 606 [2022-11-16 12:12:56,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:12:56,003 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 143 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:12:56,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 342 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 12:12:56,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2022-11-16 12:12:56,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 544. [2022-11-16 12:12:56,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 433 states have (on average 1.2609699769053118) internal successors, (546), 471 states have internal predecessors, (546), 53 states have call successors, (53), 45 states have call predecessors, (53), 57 states have return successors, (96), 49 states have call predecessors, (96), 53 states have call successors, (96) [2022-11-16 12:12:56,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 695 transitions. [2022-11-16 12:12:56,075 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 695 transitions. Word has length 47 [2022-11-16 12:12:56,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:12:56,076 INFO L495 AbstractCegarLoop]: Abstraction has 544 states and 695 transitions. [2022-11-16 12:12:56,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:12:56,076 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 695 transitions. [2022-11-16 12:12:56,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-16 12:12:56,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:12:56,078 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:12:56,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 12:12:56,078 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:12:56,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:12:56,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1885748896, now seen corresponding path program 1 times [2022-11-16 12:12:56,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:12:56,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111728825] [2022-11-16 12:12:56,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:12:56,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:12:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:12:56,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:12:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:12:56,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:12:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:12:56,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:12:56,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:12:56,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111728825] [2022-11-16 12:12:56,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111728825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:12:56,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:12:56,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:12:56,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373419732] [2022-11-16 12:12:56,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:12:56,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:12:56,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:12:56,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:12:56,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:12:56,249 INFO L87 Difference]: Start difference. First operand 544 states and 695 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:12:56,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:12:56,655 INFO L93 Difference]: Finished difference Result 1067 states and 1402 transitions. [2022-11-16 12:12:56,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:12:56,655 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 47 [2022-11-16 12:12:56,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:12:56,659 INFO L225 Difference]: With dead ends: 1067 [2022-11-16 12:12:56,659 INFO L226 Difference]: Without dead ends: 530 [2022-11-16 12:12:56,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2022-11-16 12:12:56,662 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 211 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:12:56,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 292 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 12:12:56,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2022-11-16 12:12:56,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 428. [2022-11-16 12:12:56,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 339 states have (on average 1.2595870206489677) internal successors, (427), 368 states have internal predecessors, (427), 44 states have call successors, (44), 38 states have call predecessors, (44), 44 states have return successors, (70), 38 states have call predecessors, (70), 44 states have call successors, (70) [2022-11-16 12:12:56,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 541 transitions. [2022-11-16 12:12:56,718 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 541 transitions. Word has length 47 [2022-11-16 12:12:56,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:12:56,718 INFO L495 AbstractCegarLoop]: Abstraction has 428 states and 541 transitions. [2022-11-16 12:12:56,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:12:56,718 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 541 transitions. [2022-11-16 12:12:56,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-16 12:12:56,720 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:12:56,721 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:12:56,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 12:12:56,721 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:12:56,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:12:56,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1591569950, now seen corresponding path program 1 times [2022-11-16 12:12:56,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:12:56,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345975429] [2022-11-16 12:12:56,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:12:56,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:12:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:12:56,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:12:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:12:56,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:12:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:12:56,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:12:56,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:12:56,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345975429] [2022-11-16 12:12:56,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345975429] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:12:56,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:12:56,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:12:56,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744444855] [2022-11-16 12:12:56,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:12:56,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:12:56,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:12:56,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:12:56,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:12:56,902 INFO L87 Difference]: Start difference. First operand 428 states and 541 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:12:57,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:12:57,472 INFO L93 Difference]: Finished difference Result 978 states and 1311 transitions. [2022-11-16 12:12:57,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 12:12:57,473 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 47 [2022-11-16 12:12:57,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:12:57,477 INFO L225 Difference]: With dead ends: 978 [2022-11-16 12:12:57,477 INFO L226 Difference]: Without dead ends: 665 [2022-11-16 12:12:57,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-11-16 12:12:57,480 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 224 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:12:57,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 447 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 12:12:57,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2022-11-16 12:12:57,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 640. [2022-11-16 12:12:57,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 506 states have (on average 1.2351778656126482) internal successors, (625), 543 states have internal predecessors, (625), 66 states have call successors, (66), 58 states have call predecessors, (66), 67 states have return successors, (131), 66 states have call predecessors, (131), 66 states have call successors, (131) [2022-11-16 12:12:57,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 822 transitions. [2022-11-16 12:12:57,563 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 822 transitions. Word has length 47 [2022-11-16 12:12:57,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:12:57,564 INFO L495 AbstractCegarLoop]: Abstraction has 640 states and 822 transitions. [2022-11-16 12:12:57,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:12:57,564 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 822 transitions. [2022-11-16 12:12:57,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-16 12:12:57,567 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:12:57,567 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:12:57,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 12:12:57,568 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:12:57,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:12:57,569 INFO L85 PathProgramCache]: Analyzing trace with hash -351052253, now seen corresponding path program 1 times [2022-11-16 12:12:57,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:12:57,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663517226] [2022-11-16 12:12:57,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:12:57,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:12:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:12:57,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:12:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:12:57,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 12:12:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:12:57,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:12:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:12:57,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-16 12:12:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:12:57,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:12:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:12:57,895 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 12:12:57,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:12:57,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663517226] [2022-11-16 12:12:57,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663517226] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:12:57,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116551757] [2022-11-16 12:12:57,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:12:57,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:12:57,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:12:57,927 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:12:57,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 12:12:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:12:58,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 12:12:58,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:12:58,340 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:12:58,340 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:12:58,544 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 12:12:58,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116551757] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:12:58,544 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:12:58,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 9 [2022-11-16 12:12:58,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218582097] [2022-11-16 12:12:58,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:12:58,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:12:58,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:12:58,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:12:58,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:12:58,547 INFO L87 Difference]: Start difference. First operand 640 states and 822 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-16 12:12:59,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:12:59,602 INFO L93 Difference]: Finished difference Result 1525 states and 2064 transitions. [2022-11-16 12:12:59,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 12:12:59,603 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 82 [2022-11-16 12:12:59,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:12:59,611 INFO L225 Difference]: With dead ends: 1525 [2022-11-16 12:12:59,611 INFO L226 Difference]: Without dead ends: 1000 [2022-11-16 12:12:59,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 171 SyntacticMatches, 8 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=227, Invalid=585, Unknown=0, NotChecked=0, Total=812 [2022-11-16 12:12:59,615 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 351 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-16 12:12:59,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 545 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-16 12:12:59,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2022-11-16 12:12:59,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 869. [2022-11-16 12:12:59,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 869 states, 679 states have (on average 1.2415316642120766) internal successors, (843), 732 states have internal predecessors, (843), 95 states have call successors, (95), 83 states have call predecessors, (95), 94 states have return successors, (198), 87 states have call predecessors, (198), 95 states have call successors, (198) [2022-11-16 12:12:59,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1136 transitions. [2022-11-16 12:12:59,755 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1136 transitions. Word has length 82 [2022-11-16 12:12:59,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:12:59,755 INFO L495 AbstractCegarLoop]: Abstraction has 869 states and 1136 transitions. [2022-11-16 12:12:59,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-16 12:12:59,756 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1136 transitions. [2022-11-16 12:12:59,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-16 12:12:59,760 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:12:59,760 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:12:59,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:12:59,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-16 12:12:59,975 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:12:59,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:12:59,975 INFO L85 PathProgramCache]: Analyzing trace with hash 349407230, now seen corresponding path program 2 times [2022-11-16 12:12:59,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:12:59,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472296108] [2022-11-16 12:12:59,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:12:59,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:13:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:13:00,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:13:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:13:00,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 12:13:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:13:00,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:13:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:13:00,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 12:13:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:13:00,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:13:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:13:00,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:13:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:13:00,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 12:13:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:13:00,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:13:00,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:13:00,405 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 54 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 12:13:00,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:13:00,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472296108] [2022-11-16 12:13:00,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472296108] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:13:00,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148779479] [2022-11-16 12:13:00,406 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 12:13:00,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:13:00,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:13:00,408 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:13:00,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 12:13:00,591 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 12:13:00,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:13:00,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 12:13:00,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:13:00,824 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-16 12:13:00,824 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:13:00,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148779479] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:13:00,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:13:00,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2022-11-16 12:13:00,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549169551] [2022-11-16 12:13:00,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:13:00,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:13:00,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:13:00,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:13:00,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-11-16 12:13:00,828 INFO L87 Difference]: Start difference. First operand 869 states and 1136 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-16 12:13:01,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:13:01,405 INFO L93 Difference]: Finished difference Result 2382 states and 3234 transitions. [2022-11-16 12:13:01,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:13:01,406 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 117 [2022-11-16 12:13:01,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:13:01,416 INFO L225 Difference]: With dead ends: 2382 [2022-11-16 12:13:01,416 INFO L226 Difference]: Without dead ends: 1626 [2022-11-16 12:13:01,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 130 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-11-16 12:13:01,421 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 262 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:13:01,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 551 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:13:01,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1626 states. [2022-11-16 12:13:01,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1626 to 1505. [2022-11-16 12:13:01,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 1178 states have (on average 1.2410865874363328) internal successors, (1462), 1258 states have internal predecessors, (1462), 166 states have call successors, (166), 148 states have call predecessors, (166), 160 states have return successors, (304), 150 states have call predecessors, (304), 166 states have call successors, (304) [2022-11-16 12:13:01,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 1932 transitions. [2022-11-16 12:13:01,601 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 1932 transitions. Word has length 117 [2022-11-16 12:13:01,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:13:01,602 INFO L495 AbstractCegarLoop]: Abstraction has 1505 states and 1932 transitions. [2022-11-16 12:13:01,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-16 12:13:01,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1932 transitions. [2022-11-16 12:13:01,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-16 12:13:01,607 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:13:01,607 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:13:01,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:13:01,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:13:01,824 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:13:01,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:13:01,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1225426236, now seen corresponding path program 1 times [2022-11-16 12:13:01,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:13:01,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803091525] [2022-11-16 12:13:01,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:13:01,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:13:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:13:01,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:13:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:13:01,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 12:13:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:13:02,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:13:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:13:02,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 12:13:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:13:02,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:13:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:13:02,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:13:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:13:02,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 12:13:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:13:02,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:13:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:13:02,090 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-16 12:13:02,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:13:02,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803091525] [2022-11-16 12:13:02,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803091525] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:13:02,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:13:02,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:13:02,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761720540] [2022-11-16 12:13:02,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:13:02,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:13:02,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:13:02,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:13:02,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:13:02,093 INFO L87 Difference]: Start difference. First operand 1505 states and 1932 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-16 12:13:02,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:13:02,455 INFO L93 Difference]: Finished difference Result 2115 states and 2678 transitions. [2022-11-16 12:13:02,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:13:02,456 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 117 [2022-11-16 12:13:02,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:13:02,457 INFO L225 Difference]: With dead ends: 2115 [2022-11-16 12:13:02,457 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 12:13:02,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:13:02,464 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 157 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:13:02,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 286 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:13:02,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 12:13:02,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 12:13:02,465 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) [2022-11-16 12:13:02,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 12:13:02,466 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 117 [2022-11-16 12:13:02,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:13:02,466 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:13:02,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-16 12:13:02,467 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:13:02,467 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 12:13:02,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:13:02,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 12:13:02,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 12:13:08,320 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 714 721) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-16 12:13:08,321 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 714 721) no Hoare annotation was computed. [2022-11-16 12:13:08,321 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 714 721) no Hoare annotation was computed. [2022-11-16 12:13:08,321 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 629 635) no Hoare annotation was computed. [2022-11-16 12:13:08,321 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 629 635) the Hoare annotation is: true [2022-11-16 12:13:08,321 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 935 946) the Hoare annotation is: true [2022-11-16 12:13:08,322 INFO L899 garLoopResultBuilder]: For program point L939-1(lines 935 946) no Hoare annotation was computed. [2022-11-16 12:13:08,322 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 935 946) no Hoare annotation was computed. [2022-11-16 12:13:08,322 INFO L899 garLoopResultBuilder]: For program point L609-1(lines 608 627) no Hoare annotation was computed. [2022-11-16 12:13:08,322 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 679) no Hoare annotation was computed. [2022-11-16 12:13:08,322 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 684) no Hoare annotation was computed. [2022-11-16 12:13:08,323 INFO L899 garLoopResultBuilder]: For program point L915(lines 915 919) no Hoare annotation was computed. [2022-11-16 12:13:08,323 INFO L895 garLoopResultBuilder]: At program point L915-2(lines 911 922) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-16 12:13:08,323 INFO L895 garLoopResultBuilder]: At program point L589(lines 584 591) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-16 12:13:08,324 INFO L895 garLoopResultBuilder]: At program point L812(lines 797 815) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (= |timeShift_isLowWaterLevel_~tmp~9#1| 0) (<= 1 ~waterLevel~0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-16 12:13:08,324 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 605 628) no Hoare annotation was computed. [2022-11-16 12:13:08,324 INFO L895 garLoopResultBuilder]: At program point L738(lines 733 741) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-16 12:13:08,325 INFO L895 garLoopResultBuilder]: At program point L1007(lines 1002 1010) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-16 12:13:08,325 INFO L895 garLoopResultBuilder]: At program point L677(line 677) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-16 12:13:08,325 INFO L895 garLoopResultBuilder]: At program point L673(line 673) the Hoare annotation is: (and (or (= 0 ~systemActive~0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|) (= |timeShift_isLowWaterLevel_~tmp~9#1| 0) (<= 1 ~waterLevel~0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (not (<= 2 |old(~waterLevel~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)))) [2022-11-16 12:13:08,326 INFO L899 garLoopResultBuilder]: For program point L570(lines 570 576) no Hoare annotation was computed. [2022-11-16 12:13:08,326 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 579) no Hoare annotation was computed. [2022-11-16 12:13:08,326 INFO L895 garLoopResultBuilder]: At program point L566-1(lines 558 582) the Hoare annotation is: (let ((.cse7 (<= 2 ~waterLevel~0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse9 (<= 2 |timeShift___utac_acc__Specification4_spec__1_~tmp~4#1|)) (.cse10 (= 0 ~systemActive~0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse4 (<= 1 |timeShift_getWaterLevel_#res#1|)) (.cse5 (<= 1 |timeShift___utac_acc__Specification4_spec__1_~tmp~4#1|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and .cse7 .cse2 .cse8 .cse9 (not .cse10))) (.cse6 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (<= 1 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= |timeShift___utac_acc__Specification4_spec__1_~tmp~4#1| 1) (= |timeShift_getWaterLevel_#res#1| 1))) (or .cse0 (and .cse4 .cse5) .cse6) (or (and .cse1 (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|) (<= 1 ~waterLevel~0) .cse4 .cse5 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (and .cse7 .cse8 .cse9) .cse10 .cse6) (or .cse0 .cse3 .cse10 .cse6)))) [2022-11-16 12:13:08,327 INFO L895 garLoopResultBuilder]: At program point L682(line 682) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse3)) (.cse4 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse3 .cse4) (or .cse2 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse4)))) [2022-11-16 12:13:08,327 INFO L895 garLoopResultBuilder]: At program point L682-1(lines 663 687) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0))) (and (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not .cse4))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse2))) (or (and .cse0 (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|) (<= 1 ~waterLevel~0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) .cse3 .cse4 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 12:13:08,327 INFO L899 garLoopResultBuilder]: For program point L616-1(lines 616 622) no Hoare annotation was computed. [2022-11-16 12:13:08,327 INFO L899 garLoopResultBuilder]: For program point L806(lines 806 810) no Hoare annotation was computed. [2022-11-16 12:13:08,328 INFO L899 garLoopResultBuilder]: For program point L806-2(lines 806 810) no Hoare annotation was computed. [2022-11-16 12:13:08,328 INFO L895 garLoopResultBuilder]: At program point L984(lines 979 987) the Hoare annotation is: (let ((.cse7 (<= 2 ~waterLevel~0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse2 (= 0 ~systemActive~0))) (let ((.cse1 (and .cse7 .cse6 .cse8 (not .cse2))) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (<= 1 |timeShift_getWaterLevel_#res#1|)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse3) (or .cse0 (and .cse5 .cse6) .cse1 (not (<= 1 |old(~waterLevel~0)|))) (or (and .cse7 .cse8) (and .cse5 (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|) (<= 1 ~waterLevel~0) .cse4 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) .cse2 .cse3) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= |timeShift_getWaterLevel_#res#1| 1))))) [2022-11-16 12:13:08,329 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 605 628) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 12:13:08,329 INFO L899 garLoopResultBuilder]: For program point L588(line 588) no Hoare annotation was computed. [2022-11-16 12:13:08,329 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 605 628) no Hoare annotation was computed. [2022-11-16 12:13:08,329 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 588) no Hoare annotation was computed. [2022-11-16 12:13:08,330 INFO L902 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: true [2022-11-16 12:13:08,330 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 90 119) no Hoare annotation was computed. [2022-11-16 12:13:08,330 INFO L899 garLoopResultBuilder]: For program point L96-1(line 96) no Hoare annotation was computed. [2022-11-16 12:13:08,330 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 90 119) the Hoare annotation is: true [2022-11-16 12:13:08,330 INFO L902 garLoopResultBuilder]: At program point L115(lines 90 119) the Hoare annotation is: true [2022-11-16 12:13:08,331 INFO L899 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2022-11-16 12:13:08,331 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2022-11-16 12:13:08,331 INFO L902 garLoopResultBuilder]: At program point L104-1(lines 104 108) the Hoare annotation is: true [2022-11-16 12:13:08,331 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-11-16 12:13:08,331 INFO L902 garLoopResultBuilder]: At program point L100-2(lines 100 114) the Hoare annotation is: true [2022-11-16 12:13:08,332 INFO L895 garLoopResultBuilder]: At program point L828(lines 816 830) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0)) [2022-11-16 12:13:08,332 INFO L902 garLoopResultBuilder]: At program point L184(lines 165 187) the Hoare annotation is: true [2022-11-16 12:13:08,332 INFO L895 garLoopResultBuilder]: At program point L151(lines 147 153) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 12:13:08,332 INFO L899 garLoopResultBuilder]: For program point L820(lines 820 826) no Hoare annotation was computed. [2022-11-16 12:13:08,332 INFO L899 garLoopResultBuilder]: For program point L820-1(lines 820 826) no Hoare annotation was computed. [2022-11-16 12:13:08,333 INFO L902 garLoopResultBuilder]: At program point L903(lines 840 907) the Hoare annotation is: true [2022-11-16 12:13:08,333 INFO L899 garLoopResultBuilder]: For program point L870(lines 870 876) no Hoare annotation was computed. [2022-11-16 12:13:08,333 INFO L899 garLoopResultBuilder]: For program point L870-1(lines 870 876) no Hoare annotation was computed. [2022-11-16 12:13:08,333 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 12:13:08,334 INFO L895 garLoopResultBuilder]: At program point L862(line 862) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (not (= 0 ~systemActive~0))))) [2022-11-16 12:13:08,334 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 12:13:08,334 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 12:13:08,334 INFO L895 garLoopResultBuilder]: At program point L900(lines 849 901) the Hoare annotation is: false [2022-11-16 12:13:08,334 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 12:13:08,335 INFO L899 garLoopResultBuilder]: For program point L888(lines 888 894) no Hoare annotation was computed. [2022-11-16 12:13:08,335 INFO L895 garLoopResultBuilder]: At program point L822(line 822) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-11-16 12:13:08,335 INFO L895 garLoopResultBuilder]: At program point L888-2(lines 880 895) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (not (= 0 ~systemActive~0))))) [2022-11-16 12:13:08,335 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 12:13:08,336 INFO L899 garLoopResultBuilder]: For program point L851(lines 850 899) no Hoare annotation was computed. [2022-11-16 12:13:08,336 INFO L899 garLoopResultBuilder]: For program point L880(lines 880 895) no Hoare annotation was computed. [2022-11-16 12:13:08,336 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 12:13:08,336 INFO L895 garLoopResultBuilder]: At program point L872(line 872) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (not (= 0 ~systemActive~0))))) [2022-11-16 12:13:08,336 INFO L902 garLoopResultBuilder]: At program point L162(lines 155 164) the Hoare annotation is: true [2022-11-16 12:13:08,337 INFO L895 garLoopResultBuilder]: At program point L897(lines 850 899) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (not (= 0 ~systemActive~0))))) [2022-11-16 12:13:08,337 INFO L899 garLoopResultBuilder]: For program point L860(lines 860 866) no Hoare annotation was computed. [2022-11-16 12:13:08,337 INFO L899 garLoopResultBuilder]: For program point L860-1(lines 860 866) no Hoare annotation was computed. [2022-11-16 12:13:08,337 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 856) no Hoare annotation was computed. [2022-11-16 12:13:08,338 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 182) no Hoare annotation was computed. [2022-11-16 12:13:08,338 INFO L899 garLoopResultBuilder]: For program point L175-2(lines 175 182) no Hoare annotation was computed. [2022-11-16 12:13:08,338 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 12:13:08,338 INFO L895 garLoopResultBuilder]: At program point L836(lines 831 838) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)))) [2022-11-16 12:13:08,339 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 637 661) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-16 12:13:08,339 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 710) no Hoare annotation was computed. [2022-11-16 12:13:08,339 INFO L895 garLoopResultBuilder]: At program point L704-2(lines 697 713) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (<= 2 ~waterLevel~0) (= 0 ~systemActive~0)) [2022-11-16 12:13:08,339 INFO L895 garLoopResultBuilder]: At program point L793(lines 778 796) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or (not (= ~waterLevel~0 1)) .cse0 (and (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0)) .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) .cse2))) [2022-11-16 12:13:08,340 INFO L895 garLoopResultBuilder]: At program point L729(lines 722 732) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2022-11-16 12:13:08,340 INFO L895 garLoopResultBuilder]: At program point L952(lines 947 955) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2022-11-16 12:13:08,340 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 791) no Hoare annotation was computed. [2022-11-16 12:13:08,340 INFO L899 garLoopResultBuilder]: For program point L787-2(lines 787 791) no Hoare annotation was computed. [2022-11-16 12:13:08,340 INFO L895 garLoopResultBuilder]: At program point L651(line 651) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |processEnvironment__wrappee__highWaterSensor_~tmp~5#1| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (and (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0)) .cse2 .cse3 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)))) (or .cse0 (and .cse2 .cse3) (not (<= 2 ~waterLevel~0)) .cse1))) [2022-11-16 12:13:08,341 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 653) no Hoare annotation was computed. [2022-11-16 12:13:08,341 INFO L899 garLoopResultBuilder]: For program point L641(lines 641 658) no Hoare annotation was computed. [2022-11-16 12:13:08,341 INFO L899 garLoopResultBuilder]: For program point L992(lines 992 998) no Hoare annotation was computed. [2022-11-16 12:13:08,341 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 637 661) no Hoare annotation was computed. [2022-11-16 12:13:08,342 INFO L895 garLoopResultBuilder]: At program point L693(lines 688 695) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-16 12:13:08,342 INFO L895 garLoopResultBuilder]: At program point L656(line 656) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-16 12:13:08,342 INFO L899 garLoopResultBuilder]: For program point L656-1(lines 637 661) no Hoare annotation was computed. [2022-11-16 12:13:08,342 INFO L895 garLoopResultBuilder]: At program point L997(lines 988 1001) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (and .cse0 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (and .cse0 (<= 2 ~waterLevel~0)) (= 0 ~systemActive~0))) [2022-11-16 12:13:08,342 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 923 934) no Hoare annotation was computed. [2022-11-16 12:13:08,343 INFO L899 garLoopResultBuilder]: For program point L927-1(lines 923 934) no Hoare annotation was computed. [2022-11-16 12:13:08,343 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 923 934) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|)) .cse0) (or .cse0 (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 12:13:08,347 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:13:08,350 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:13:08,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:13:08 BoogieIcfgContainer [2022-11-16 12:13:08,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:13:08,382 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:13:08,383 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:13:08,383 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:13:08,384 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:12:52" (3/4) ... [2022-11-16 12:13:08,387 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:13:08,395 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-16 12:13:08,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-16 12:13:08,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 12:13:08,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 12:13:08,396 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 12:13:08,397 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 12:13:08,397 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 12:13:08,406 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2022-11-16 12:13:08,407 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 12:13:08,407 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 12:13:08,408 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 12:13:08,408 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:13:08,409 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:13:08,409 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:13:08,440 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-16 12:13:08,441 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-16 12:13:08,441 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) || ((((\result == 1 && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) [2022-11-16 12:13:08,441 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((pumpRunning == \old(pumpRunning) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-16 12:13:08,442 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(0 == systemActive))) && (((((((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) && 1 <= waterLevel) && 1 <= tmp___0) || 2 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-16 12:13:08,443 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel == 1) [2022-11-16 12:13:08,443 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || 1 <= \result) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || !(1 <= \old(waterLevel)))) && ((((2 <= waterLevel && 2 <= \result) || (((((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp___0)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || \result == 1) [2022-11-16 12:13:08,444 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel [2022-11-16 12:13:08,444 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || ((((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && 2 <= tmp) && !(0 == systemActive))) || !(1 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1))) && ((!(\old(pumpRunning) == 0) || (1 <= \result && 1 <= tmp)) || !(2 <= \old(waterLevel)))) && (((((((((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp) && 1 <= tmp___0) || ((2 <= waterLevel && 2 <= \result) && 2 <= tmp)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || ((((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && 2 <= tmp) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-16 12:13:08,444 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && ((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-16 12:13:08,444 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive [2022-11-16 12:13:08,445 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) [2022-11-16 12:13:08,445 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && tmp == 0) && 1 <= waterLevel) && 1 <= tmp___0) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-16 12:13:08,445 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || ((((!(tmp == 0) && pumpRunning == 0) && tmp___0 == 0) && !(\result == 0)) && \result == 0)) || 0 == systemActive) [2022-11-16 12:13:08,445 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) [2022-11-16 12:13:08,446 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && ((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) [2022-11-16 12:13:08,446 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && ((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) [2022-11-16 12:13:08,446 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 2 <= waterLevel) || 0 == systemActive [2022-11-16 12:13:08,447 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive [2022-11-16 12:13:08,479 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:13:08,479 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:13:08,480 INFO L158 Benchmark]: Toolchain (without parser) took 17102.17ms. Allocated memory was 100.7MB in the beginning and 247.5MB in the end (delta: 146.8MB). Free memory was 56.6MB in the beginning and 99.6MB in the end (delta: -42.9MB). Peak memory consumption was 103.1MB. Max. memory is 16.1GB. [2022-11-16 12:13:08,480 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 100.7MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:13:08,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 514.43ms. Allocated memory is still 100.7MB. Free memory was 56.4MB in the beginning and 66.2MB in the end (delta: -9.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2022-11-16 12:13:08,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.05ms. Allocated memory is still 100.7MB. Free memory was 66.2MB in the beginning and 63.6MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 12:13:08,482 INFO L158 Benchmark]: Boogie Preprocessor took 39.42ms. Allocated memory is still 100.7MB. Free memory was 63.4MB in the beginning and 61.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:13:08,482 INFO L158 Benchmark]: RCFGBuilder took 690.49ms. Allocated memory is still 100.7MB. Free memory was 61.8MB in the beginning and 41.2MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-16 12:13:08,482 INFO L158 Benchmark]: TraceAbstraction took 15698.77ms. Allocated memory was 100.7MB in the beginning and 247.5MB in the end (delta: 146.8MB). Free memory was 40.6MB in the beginning and 105.9MB in the end (delta: -65.3MB). Peak memory consumption was 115.8MB. Max. memory is 16.1GB. [2022-11-16 12:13:08,483 INFO L158 Benchmark]: Witness Printer took 96.73ms. Allocated memory is still 247.5MB. Free memory was 105.9MB in the beginning and 99.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 12:13:08,485 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 100.7MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 514.43ms. Allocated memory is still 100.7MB. Free memory was 56.4MB in the beginning and 66.2MB in the end (delta: -9.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.05ms. Allocated memory is still 100.7MB. Free memory was 66.2MB in the beginning and 63.6MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.42ms. Allocated memory is still 100.7MB. Free memory was 63.4MB in the beginning and 61.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 690.49ms. Allocated memory is still 100.7MB. Free memory was 61.8MB in the beginning and 41.2MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 15698.77ms. Allocated memory was 100.7MB in the beginning and 247.5MB in the end (delta: 146.8MB). Free memory was 40.6MB in the beginning and 105.9MB in the end (delta: -65.3MB). Peak memory consumption was 115.8MB. Max. memory is 16.1GB. * Witness Printer took 96.73ms. Allocated memory is still 247.5MB. Free memory was 105.9MB in the beginning and 99.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 588]: 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 8 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.5s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1933 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1915 mSDsluCounter, 4113 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2947 mSDsCounter, 437 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2117 IncrementalHoareTripleChecker+Invalid, 2554 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 437 mSolverCounterUnsat, 1166 mSDtfsCounter, 2117 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 477 GetRequests, 351 SyntacticMatches, 11 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1505occurred in iteration=11, InterpolantAutomatonStates: 112, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 503 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 2691 PreInvPairs, 3001 NumberOfFragments, 1108 HoareAnnotationTreeSize, 2691 FomulaSimplifications, 4086 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 45 FomulaSimplificationsInter, 23822 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 810 NumberOfCodeBlocks, 810 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 877 ConstructedInterpolants, 0 QuantifiedInterpolants, 1676 SizeOfPredicates, 8 NumberOfNonLiveVariables, 990 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 264/294 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: 840]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || ((((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && 2 <= tmp) && !(0 == systemActive))) || !(1 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1))) && ((!(\old(pumpRunning) == 0) || (1 <= \result && 1 <= tmp)) || !(2 <= \old(waterLevel)))) && (((((((((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp) && 1 <= tmp___0) || ((2 <= waterLevel && 2 <= \result) && 2 <= tmp)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || ((((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && 2 <= tmp) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive - InvariantResult [Line: 663]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(0 == systemActive))) && (((((((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) && 1 <= waterLevel) && 1 <= tmp___0) || 2 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) || ((((\result == 1 && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 2 <= waterLevel) || 0 == systemActive - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: ((((\result == 1 && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && 1 == systemActive) && splverifierCounter == 0) && waterLevel == 1) - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && ((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((pumpRunning == \old(pumpRunning) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && ((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && ((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && tmp == 0) && 1 <= waterLevel) && 1 <= tmp___0) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || 1 <= \result) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || !(1 <= \old(waterLevel)))) && ((((2 <= waterLevel && 2 <= \result) || (((((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp___0)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || \result == 1) - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || ((((!(tmp == 0) && pumpRunning == 0) && tmp___0 == 0) && !(\result == 0)) && \result == 0)) || 0 == systemActive) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-16 12:13:08,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d558af64-ff1e-4828-8d91-7b52c5812822/bin/uautomizer-tPACEb0tL8/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