./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d350db26-faf5-45ba-ac4b-36bb1a269dc3/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d350db26-faf5-45ba-ac4b-36bb1a269dc3/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d350db26-faf5-45ba-ac4b-36bb1a269dc3/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d350db26-faf5-45ba-ac4b-36bb1a269dc3/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d350db26-faf5-45ba-ac4b-36bb1a269dc3/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d350db26-faf5-45ba-ac4b-36bb1a269dc3/bin/uautomizer-J5u9QxTXDZ --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 cbcb1e9315abec7fabb6a689d6a1c811fb94154c71589df191460c14d014c3cb --- 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-dbf71c6-m [2022-10-17 10:28:27,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:28:27,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:28:27,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:28:27,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:28:27,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:28:27,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:28:27,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:28:27,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:28:27,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:28:27,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:28:27,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:28:27,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:28:27,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:28:27,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:28:27,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:28:27,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:28:27,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:28:27,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:28:27,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:28:27,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:28:27,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:28:27,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:28:27,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:28:27,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:28:27,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:28:27,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:28:27,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:28:27,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:28:27,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:28:27,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:28:27,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:28:27,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:28:27,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:28:27,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:28:27,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:28:27,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:28:27,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:28:27,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:28:27,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:28:27,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:28:27,856 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d350db26-faf5-45ba-ac4b-36bb1a269dc3/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-10-17 10:28:27,880 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:28:27,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:28:27,881 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:28:27,881 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:28:27,882 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:28:27,882 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:28:27,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:28:27,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:28:27,883 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:28:27,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:28:27,884 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:28:27,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:28:27,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:28:27,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:28:27,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:28:27,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:28:27,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:28:27,886 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:28:27,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:28:27,887 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:28:27,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:28:27,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:28:27,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:28:27,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:28:27,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:28:27,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:28:27,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:28:27,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:28:27,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:28:27,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:28:27,890 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:28:27,890 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:28:27,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:28:27,891 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_d350db26-faf5-45ba-ac4b-36bb1a269dc3/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d350db26-faf5-45ba-ac4b-36bb1a269dc3/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbcb1e9315abec7fabb6a689d6a1c811fb94154c71589df191460c14d014c3cb [2022-10-17 10:28:28,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:28:28,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:28:28,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:28:28,254 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:28:28,255 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:28:28,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d350db26-faf5-45ba-ac4b-36bb1a269dc3/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c [2022-10-17 10:28:28,339 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d350db26-faf5-45ba-ac4b-36bb1a269dc3/bin/uautomizer-J5u9QxTXDZ/data/744c32161/30155e99ff1542ed84aa9a3265c27799/FLAG6aea86841 [2022-10-17 10:28:28,858 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:28:28,858 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d350db26-faf5-45ba-ac4b-36bb1a269dc3/sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c [2022-10-17 10:28:28,871 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d350db26-faf5-45ba-ac4b-36bb1a269dc3/bin/uautomizer-J5u9QxTXDZ/data/744c32161/30155e99ff1542ed84aa9a3265c27799/FLAG6aea86841 [2022-10-17 10:28:29,185 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d350db26-faf5-45ba-ac4b-36bb1a269dc3/bin/uautomizer-J5u9QxTXDZ/data/744c32161/30155e99ff1542ed84aa9a3265c27799 [2022-10-17 10:28:29,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:28:29,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:28:29,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:28:29,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:28:29,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:28:29,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:28:29" (1/1) ... [2022-10-17 10:28:29,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56264f17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:29, skipping insertion in model container [2022-10-17 10:28:29,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:28:29" (1/1) ... [2022-10-17 10:28:29,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:28:29,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:28:29,512 WARN L230 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_d350db26-faf5-45ba-ac4b-36bb1a269dc3/sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c[4478,4491] [2022-10-17 10:28:29,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:28:29,639 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:28:29,689 WARN L230 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_d350db26-faf5-45ba-ac4b-36bb1a269dc3/sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c[4478,4491] [2022-10-17 10:28:29,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:28:29,770 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:28:29,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:29 WrapperNode [2022-10-17 10:28:29,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:28:29,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:28:29,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:28:29,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:28:29,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:29" (1/1) ... [2022-10-17 10:28:29,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:29" (1/1) ... [2022-10-17 10:28:29,842 INFO L138 Inliner]: procedures = 57, calls = 160, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 284 [2022-10-17 10:28:29,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:28:29,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:28:29,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:28:29,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:28:29,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:29" (1/1) ... [2022-10-17 10:28:29,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:29" (1/1) ... [2022-10-17 10:28:29,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:29" (1/1) ... [2022-10-17 10:28:29,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:29" (1/1) ... [2022-10-17 10:28:29,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:29" (1/1) ... [2022-10-17 10:28:29,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:29" (1/1) ... [2022-10-17 10:28:29,887 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:29" (1/1) ... [2022-10-17 10:28:29,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:29" (1/1) ... [2022-10-17 10:28:29,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:28:29,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:28:29,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:28:29,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:28:29,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:29" (1/1) ... [2022-10-17 10:28:29,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:28:29,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d350db26-faf5-45ba-ac4b-36bb1a269dc3/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:28:29,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d350db26-faf5-45ba-ac4b-36bb1a269dc3/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:28:29,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d350db26-faf5-45ba-ac4b-36bb1a269dc3/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:28:29,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:28:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 10:28:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 10:28:29,978 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 10:28:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 10:28:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 10:28:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 10:28:29,979 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 10:28:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 10:28:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-10-17 10:28:29,980 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-10-17 10:28:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 10:28:29,980 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 10:28:29,980 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-10-17 10:28:29,981 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-10-17 10:28:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-10-17 10:28:29,981 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-10-17 10:28:29,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:28:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 10:28:29,982 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 10:28:29,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:28:29,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:28:30,066 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:28:30,068 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:28:30,604 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:28:30,612 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:28:30,612 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 10:28:30,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:28:30 BoogieIcfgContainer [2022-10-17 10:28:30,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:28:30,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:28:30,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:28:30,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:28:30,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:28:29" (1/3) ... [2022-10-17 10:28:30,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4eff9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:28:30, skipping insertion in model container [2022-10-17 10:28:30,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:28:29" (2/3) ... [2022-10-17 10:28:30,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4eff9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:28:30, skipping insertion in model container [2022-10-17 10:28:30,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:28:30" (3/3) ... [2022-10-17 10:28:30,628 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product54.cil.c [2022-10-17 10:28:30,656 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:28:30,656 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:28:30,734 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:28:30,743 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;@3d01d7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:28:30,744 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:28:30,754 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 76 states have (on average 1.381578947368421) internal successors, (105), 86 states have internal predecessors, (105), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-10-17 10:28:30,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 10:28:30,783 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:28:30,784 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] [2022-10-17 10:28:30,785 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:28:30,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:28:30,792 INFO L85 PathProgramCache]: Analyzing trace with hash 149329663, now seen corresponding path program 1 times [2022-10-17 10:28:30,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:28:30,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254860756] [2022-10-17 10:28:30,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:28:30,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:28:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:31,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:28:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:31,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:28:31,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:28:31,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254860756] [2022-10-17 10:28:31,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254860756] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:28:31,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:28:31,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:28:31,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511956946] [2022-10-17 10:28:31,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:28:31,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-17 10:28:31,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:28:31,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-17 10:28:31,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:28:31,171 INFO L87 Difference]: Start difference. First operand has 103 states, 76 states have (on average 1.381578947368421) internal successors, (105), 86 states have internal predecessors, (105), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:28:31,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:28:31,218 INFO L93 Difference]: Finished difference Result 198 states and 269 transitions. [2022-10-17 10:28:31,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 10:28:31,221 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-10-17 10:28:31,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:28:31,234 INFO L225 Difference]: With dead ends: 198 [2022-10-17 10:28:31,234 INFO L226 Difference]: Without dead ends: 94 [2022-10-17 10:28:31,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:28:31,244 INFO L413 NwaCegarLoop]: 131 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, 131 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 [2022-10-17 10:28:31,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:28:31,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-10-17 10:28:31,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2022-10-17 10:28:31,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 69 states have (on average 1.318840579710145) internal successors, (91), 78 states have internal predecessors, (91), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-10-17 10:28:31,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2022-10-17 10:28:31,333 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 25 [2022-10-17 10:28:31,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:28:31,334 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2022-10-17 10:28:31,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:28:31,336 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2022-10-17 10:28:31,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 10:28:31,342 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:28:31,342 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:28:31,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:28:31,342 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:28:31,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:28:31,343 INFO L85 PathProgramCache]: Analyzing trace with hash 67554452, now seen corresponding path program 1 times [2022-10-17 10:28:31,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:28:31,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650009516] [2022-10-17 10:28:31,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:28:31,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:28:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:31,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-17 10:28:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:31,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:28:31,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:28:31,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650009516] [2022-10-17 10:28:31,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650009516] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:28:31,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:28:31,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:28:31,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769349528] [2022-10-17 10:28:31,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:28:31,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:28:31,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:28:31,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:28:31,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:28:31,583 INFO L87 Difference]: Start difference. First operand 94 states and 122 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:28:31,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:28:31,636 INFO L93 Difference]: Finished difference Result 153 states and 199 transitions. [2022-10-17 10:28:31,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:28:31,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-10-17 10:28:31,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:28:31,640 INFO L225 Difference]: With dead ends: 153 [2022-10-17 10:28:31,641 INFO L226 Difference]: Without dead ends: 85 [2022-10-17 10:28:31,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:28:31,646 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 13 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 201 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 [2022-10-17 10:28:31,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 201 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:28:31,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-10-17 10:28:31,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-10-17 10:28:31,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 72 states have internal predecessors, (84), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-10-17 10:28:31,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 110 transitions. [2022-10-17 10:28:31,662 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 110 transitions. Word has length 26 [2022-10-17 10:28:31,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:28:31,663 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 110 transitions. [2022-10-17 10:28:31,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:28:31,663 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2022-10-17 10:28:31,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 10:28:31,665 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:28:31,665 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:28:31,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:28:31,666 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:28:31,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:28:31,667 INFO L85 PathProgramCache]: Analyzing trace with hash -6965766, now seen corresponding path program 1 times [2022-10-17 10:28:31,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:28:31,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828918696] [2022-10-17 10:28:31,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:28:31,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:28:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:31,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:28:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:31,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:28:31,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:28:31,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828918696] [2022-10-17 10:28:31,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828918696] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:28:31,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:28:31,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:28:31,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415487443] [2022-10-17 10:28:31,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:28:31,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:28:31,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:28:31,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:28:31,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:28:31,806 INFO L87 Difference]: Start difference. First operand 85 states and 110 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:28:31,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:28:31,836 INFO L93 Difference]: Finished difference Result 163 states and 214 transitions. [2022-10-17 10:28:31,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:28:31,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-10-17 10:28:31,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:28:31,839 INFO L225 Difference]: With dead ends: 163 [2022-10-17 10:28:31,839 INFO L226 Difference]: Without dead ends: 85 [2022-10-17 10:28:31,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:28:31,842 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 104 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:28:31,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 108 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:28:31,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-10-17 10:28:31,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-10-17 10:28:31,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 72 states have internal predecessors, (83), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-10-17 10:28:31,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 109 transitions. [2022-10-17 10:28:31,858 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 109 transitions. Word has length 31 [2022-10-17 10:28:31,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:28:31,858 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 109 transitions. [2022-10-17 10:28:31,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:28:31,859 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 109 transitions. [2022-10-17 10:28:31,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 10:28:31,861 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:28:31,861 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:28:31,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 10:28:31,862 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:28:31,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:28:31,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1330354743, now seen corresponding path program 1 times [2022-10-17 10:28:31,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:28:31,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702961754] [2022-10-17 10:28:31,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:28:31,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:28:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:32,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:28:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:32,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-17 10:28:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:32,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:28:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:32,068 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 10:28:32,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:28:32,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702961754] [2022-10-17 10:28:32,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702961754] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:28:32,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:28:32,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:28:32,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225759091] [2022-10-17 10:28:32,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:28:32,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:28:32,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:28:32,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:28:32,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:28:32,071 INFO L87 Difference]: Start difference. First operand 85 states and 109 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-17 10:28:32,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:28:32,347 INFO L93 Difference]: Finished difference Result 246 states and 320 transitions. [2022-10-17 10:28:32,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:28:32,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2022-10-17 10:28:32,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:28:32,356 INFO L225 Difference]: With dead ends: 246 [2022-10-17 10:28:32,357 INFO L226 Difference]: Without dead ends: 168 [2022-10-17 10:28:32,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:28:32,368 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 154 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:28:32,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 238 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:28:32,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-10-17 10:28:32,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 162. [2022-10-17 10:28:32,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 122 states have (on average 1.2868852459016393) internal successors, (157), 130 states have internal predecessors, (157), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2022-10-17 10:28:32,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 206 transitions. [2022-10-17 10:28:32,433 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 206 transitions. Word has length 44 [2022-10-17 10:28:32,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:28:32,434 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 206 transitions. [2022-10-17 10:28:32,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-17 10:28:32,435 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 206 transitions. [2022-10-17 10:28:32,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 10:28:32,461 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:28:32,461 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, 1, 1, 1] [2022-10-17 10:28:32,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 10:28:32,462 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:28:32,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:28:32,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1858639799, now seen corresponding path program 1 times [2022-10-17 10:28:32,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:28:32,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128943628] [2022-10-17 10:28:32,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:28:32,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:28:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:32,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:28:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:32,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:28:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:32,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-17 10:28:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:32,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:28:32,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:28:32,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128943628] [2022-10-17 10:28:32,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128943628] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:28:32,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:28:32,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:28:32,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984559320] [2022-10-17 10:28:32,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:28:32,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:28:32,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:28:32,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:28:32,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:28:32,750 INFO L87 Difference]: Start difference. First operand 162 states and 206 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-17 10:28:32,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:28:32,960 INFO L93 Difference]: Finished difference Result 325 states and 421 transitions. [2022-10-17 10:28:32,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:28:32,961 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2022-10-17 10:28:32,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:28:32,963 INFO L225 Difference]: With dead ends: 325 [2022-10-17 10:28:32,963 INFO L226 Difference]: Without dead ends: 170 [2022-10-17 10:28:32,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-10-17 10:28:32,966 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 71 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:28:32,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 442 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:28:32,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2022-10-17 10:28:32,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 165. [2022-10-17 10:28:32,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 125 states have (on average 1.28) internal successors, (160), 133 states have internal predecessors, (160), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2022-10-17 10:28:32,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 209 transitions. [2022-10-17 10:28:32,988 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 209 transitions. Word has length 50 [2022-10-17 10:28:32,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:28:32,989 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 209 transitions. [2022-10-17 10:28:32,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-17 10:28:32,989 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 209 transitions. [2022-10-17 10:28:32,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 10:28:32,990 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:28:32,990 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, 1, 1, 1] [2022-10-17 10:28:32,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-17 10:28:32,991 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:28:32,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:28:32,991 INFO L85 PathProgramCache]: Analyzing trace with hash 2077494517, now seen corresponding path program 1 times [2022-10-17 10:28:32,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:28:32,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220789072] [2022-10-17 10:28:32,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:28:32,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:28:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:33,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:28:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:33,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:28:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:33,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-17 10:28:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:33,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:28:33,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:28:33,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220789072] [2022-10-17 10:28:33,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220789072] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:28:33,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:28:33,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:28:33,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230042669] [2022-10-17 10:28:33,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:28:33,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:28:33,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:28:33,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:28:33,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:28:33,152 INFO L87 Difference]: Start difference. First operand 165 states and 209 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-17 10:28:33,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:28:33,374 INFO L93 Difference]: Finished difference Result 336 states and 440 transitions. [2022-10-17 10:28:33,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:28:33,375 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2022-10-17 10:28:33,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:28:33,378 INFO L225 Difference]: With dead ends: 336 [2022-10-17 10:28:33,378 INFO L226 Difference]: Without dead ends: 178 [2022-10-17 10:28:33,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-10-17 10:28:33,383 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 178 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:28:33,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 331 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:28:33,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2022-10-17 10:28:33,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 167. [2022-10-17 10:28:33,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 127 states have (on average 1.2755905511811023) internal successors, (162), 135 states have internal predecessors, (162), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2022-10-17 10:28:33,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 211 transitions. [2022-10-17 10:28:33,423 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 211 transitions. Word has length 50 [2022-10-17 10:28:33,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:28:33,424 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 211 transitions. [2022-10-17 10:28:33,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-17 10:28:33,424 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 211 transitions. [2022-10-17 10:28:33,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 10:28:33,427 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:28:33,427 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, 1, 1, 1] [2022-10-17 10:28:33,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-17 10:28:33,427 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:28:33,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:28:33,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1943481011, now seen corresponding path program 1 times [2022-10-17 10:28:33,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:28:33,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752455601] [2022-10-17 10:28:33,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:28:33,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:28:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:33,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:28:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:33,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:28:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:33,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-17 10:28:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:33,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:28:33,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:28:33,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752455601] [2022-10-17 10:28:33,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752455601] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:28:33,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:28:33,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:28:33,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584953310] [2022-10-17 10:28:33,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:28:33,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:28:33,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:28:33,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:28:33,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:28:33,660 INFO L87 Difference]: Start difference. First operand 167 states and 211 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-17 10:28:33,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:28:33,990 INFO L93 Difference]: Finished difference Result 467 states and 611 transitions. [2022-10-17 10:28:33,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:28:33,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 50 [2022-10-17 10:28:33,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:28:33,994 INFO L225 Difference]: With dead ends: 467 [2022-10-17 10:28:33,994 INFO L226 Difference]: Without dead ends: 307 [2022-10-17 10:28:33,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:28:33,996 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 226 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:28:33,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 357 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:28:33,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2022-10-17 10:28:34,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 299. [2022-10-17 10:28:34,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 226 states have (on average 1.252212389380531) internal successors, (283), 238 states have internal predecessors, (283), 36 states have call successors, (36), 33 states have call predecessors, (36), 36 states have return successors, (62), 37 states have call predecessors, (62), 36 states have call successors, (62) [2022-10-17 10:28:34,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 381 transitions. [2022-10-17 10:28:34,053 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 381 transitions. Word has length 50 [2022-10-17 10:28:34,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:28:34,053 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 381 transitions. [2022-10-17 10:28:34,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-17 10:28:34,054 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 381 transitions. [2022-10-17 10:28:34,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 10:28:34,055 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:28:34,055 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, 1, 1, 1, 1, 1] [2022-10-17 10:28:34,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-17 10:28:34,055 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:28:34,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:28:34,056 INFO L85 PathProgramCache]: Analyzing trace with hash -432802525, now seen corresponding path program 1 times [2022-10-17 10:28:34,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:28:34,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460767869] [2022-10-17 10:28:34,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:28:34,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:28:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:34,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:28:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:34,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:28:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:34,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:28:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:34,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-17 10:28:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:34,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:28:34,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:28:34,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460767869] [2022-10-17 10:28:34,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460767869] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:28:34,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:28:34,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:28:34,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215700455] [2022-10-17 10:28:34,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:28:34,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:28:34,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:28:34,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:28:34,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:28:34,238 INFO L87 Difference]: Start difference. First operand 299 states and 381 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-17 10:28:34,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:28:34,462 INFO L93 Difference]: Finished difference Result 594 states and 757 transitions. [2022-10-17 10:28:34,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:28:34,463 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2022-10-17 10:28:34,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:28:34,467 INFO L225 Difference]: With dead ends: 594 [2022-10-17 10:28:34,467 INFO L226 Difference]: Without dead ends: 302 [2022-10-17 10:28:34,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-17 10:28:34,469 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 126 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:28:34,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 402 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:28:34,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2022-10-17 10:28:34,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 297. [2022-10-17 10:28:34,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 224 states have (on average 1.2455357142857142) internal successors, (279), 236 states have internal predecessors, (279), 36 states have call successors, (36), 33 states have call predecessors, (36), 36 states have return successors, (62), 37 states have call predecessors, (62), 36 states have call successors, (62) [2022-10-17 10:28:34,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 377 transitions. [2022-10-17 10:28:34,515 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 377 transitions. Word has length 52 [2022-10-17 10:28:34,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:28:34,516 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 377 transitions. [2022-10-17 10:28:34,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-17 10:28:34,516 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 377 transitions. [2022-10-17 10:28:34,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 10:28:34,518 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:28:34,518 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, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:28:34,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-17 10:28:34,518 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:28:34,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:28:34,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1117904615, now seen corresponding path program 1 times [2022-10-17 10:28:34,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:28:34,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690050882] [2022-10-17 10:28:34,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:28:34,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:28:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:34,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:28:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:34,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-17 10:28:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:34,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:28:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:34,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-17 10:28:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:34,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:28:34,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:28:34,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690050882] [2022-10-17 10:28:34,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690050882] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:28:34,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:28:34,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-17 10:28:34,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799445456] [2022-10-17 10:28:34,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:28:34,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 10:28:34,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:28:34,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:28:34,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:28:34,700 INFO L87 Difference]: Start difference. First operand 297 states and 377 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-17 10:28:35,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:28:35,182 INFO L93 Difference]: Finished difference Result 583 states and 752 transitions. [2022-10-17 10:28:35,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-17 10:28:35,183 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-10-17 10:28:35,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:28:35,186 INFO L225 Difference]: With dead ends: 583 [2022-10-17 10:28:35,186 INFO L226 Difference]: Without dead ends: 345 [2022-10-17 10:28:35,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-10-17 10:28:35,191 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 235 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-17 10:28:35,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 522 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-17 10:28:35,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2022-10-17 10:28:35,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 332. [2022-10-17 10:28:35,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 251 states have (on average 1.2151394422310757) internal successors, (305), 266 states have internal predecessors, (305), 41 states have call successors, (41), 33 states have call predecessors, (41), 39 states have return successors, (58), 42 states have call predecessors, (58), 41 states have call successors, (58) [2022-10-17 10:28:35,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 404 transitions. [2022-10-17 10:28:35,236 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 404 transitions. Word has length 54 [2022-10-17 10:28:35,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:28:35,238 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 404 transitions. [2022-10-17 10:28:35,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-17 10:28:35,239 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 404 transitions. [2022-10-17 10:28:35,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 10:28:35,240 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:28:35,240 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:28:35,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-17 10:28:35,241 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:28:35,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:28:35,241 INFO L85 PathProgramCache]: Analyzing trace with hash -309751737, now seen corresponding path program 1 times [2022-10-17 10:28:35,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:28:35,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256615047] [2022-10-17 10:28:35,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:28:35,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:28:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:35,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:28:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:35,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-17 10:28:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:35,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:28:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:35,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:28:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:35,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-17 10:28:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:35,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:28:35,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:28:35,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256615047] [2022-10-17 10:28:35,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256615047] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:28:35,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:28:35,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:28:35,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380020030] [2022-10-17 10:28:35,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:28:35,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:28:35,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:28:35,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:28:35,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:28:35,378 INFO L87 Difference]: Start difference. First operand 332 states and 404 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-17 10:28:35,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:28:35,674 INFO L93 Difference]: Finished difference Result 604 states and 746 transitions. [2022-10-17 10:28:35,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-17 10:28:35,675 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2022-10-17 10:28:35,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:28:35,679 INFO L225 Difference]: With dead ends: 604 [2022-10-17 10:28:35,680 INFO L226 Difference]: Without dead ends: 333 [2022-10-17 10:28:35,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-10-17 10:28:35,682 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 157 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:28:35,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 304 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:28:35,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2022-10-17 10:28:35,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 329. [2022-10-17 10:28:35,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 248 states have (on average 1.2137096774193548) internal successors, (301), 263 states have internal predecessors, (301), 41 states have call successors, (41), 33 states have call predecessors, (41), 39 states have return successors, (58), 42 states have call predecessors, (58), 41 states have call successors, (58) [2022-10-17 10:28:35,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 400 transitions. [2022-10-17 10:28:35,752 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 400 transitions. Word has length 56 [2022-10-17 10:28:35,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:28:35,752 INFO L495 AbstractCegarLoop]: Abstraction has 329 states and 400 transitions. [2022-10-17 10:28:35,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-17 10:28:35,753 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 400 transitions. [2022-10-17 10:28:35,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 10:28:35,754 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:28:35,754 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:28:35,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-17 10:28:35,755 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:28:35,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:28:35,756 INFO L85 PathProgramCache]: Analyzing trace with hash -443765243, now seen corresponding path program 1 times [2022-10-17 10:28:35,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:28:35,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059630450] [2022-10-17 10:28:35,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:28:35,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:28:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:35,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:28:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:35,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-17 10:28:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:35,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:28:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:35,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:28:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:35,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-17 10:28:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:35,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:28:35,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:28:35,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059630450] [2022-10-17 10:28:35,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059630450] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:28:35,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:28:35,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-17 10:28:35,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969592799] [2022-10-17 10:28:35,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:28:35,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 10:28:35,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:28:35,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:28:35,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:28:35,932 INFO L87 Difference]: Start difference. First operand 329 states and 400 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-17 10:28:36,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:28:36,237 INFO L93 Difference]: Finished difference Result 573 states and 705 transitions. [2022-10-17 10:28:36,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-17 10:28:36,238 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2022-10-17 10:28:36,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:28:36,241 INFO L225 Difference]: With dead ends: 573 [2022-10-17 10:28:36,241 INFO L226 Difference]: Without dead ends: 305 [2022-10-17 10:28:36,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-17 10:28:36,244 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 147 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:28:36,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 374 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:28:36,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-10-17 10:28:36,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 301. [2022-10-17 10:28:36,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 228 states have (on average 1.2105263157894737) internal successors, (276), 242 states have internal predecessors, (276), 38 states have call successors, (38), 30 states have call predecessors, (38), 34 states have return successors, (49), 37 states have call predecessors, (49), 38 states have call successors, (49) [2022-10-17 10:28:36,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 363 transitions. [2022-10-17 10:28:36,281 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 363 transitions. Word has length 56 [2022-10-17 10:28:36,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:28:36,282 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 363 transitions. [2022-10-17 10:28:36,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-17 10:28:36,282 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 363 transitions. [2022-10-17 10:28:36,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-17 10:28:36,284 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:28:36,285 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1] [2022-10-17 10:28:36,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-17 10:28:36,285 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:28:36,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:28:36,286 INFO L85 PathProgramCache]: Analyzing trace with hash 872263225, now seen corresponding path program 1 times [2022-10-17 10:28:36,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:28:36,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094875945] [2022-10-17 10:28:36,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:28:36,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:28:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:36,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:28:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:36,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:28:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:36,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:28:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:36,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:28:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:36,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-17 10:28:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:36,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-17 10:28:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:36,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-17 10:28:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:36,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:28:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:36,553 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 10:28:36,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:28:36,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094875945] [2022-10-17 10:28:36,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094875945] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:28:36,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052418381] [2022-10-17 10:28:36,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:28:36,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:28:36,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d350db26-faf5-45ba-ac4b-36bb1a269dc3/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:28:36,558 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d350db26-faf5-45ba-ac4b-36bb1a269dc3/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:28:36,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d350db26-faf5-45ba-ac4b-36bb1a269dc3/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-17 10:28:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:28:36,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 10:28:36,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:28:37,077 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 10:28:37,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:28:37,521 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 10:28:37,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052418381] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:28:37,522 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-17 10:28:37,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 9] total 19 [2022-10-17 10:28:37,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027089522] [2022-10-17 10:28:37,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-17 10:28:37,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-17 10:28:37,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:28:37,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-17 10:28:37,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-10-17 10:28:37,524 INFO L87 Difference]: Start difference. First operand 301 states and 363 transitions. Second operand has 19 states, 19 states have (on average 7.105263157894737) internal successors, (135), 14 states have internal predecessors, (135), 7 states have call successors, (25), 10 states have call predecessors, (25), 8 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) [2022-10-17 10:28:39,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:28:39,664 INFO L93 Difference]: Finished difference Result 913 states and 1175 transitions. [2022-10-17 10:28:39,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-10-17 10:28:39,664 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 7.105263157894737) internal successors, (135), 14 states have internal predecessors, (135), 7 states have call successors, (25), 10 states have call predecessors, (25), 8 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) Word has length 91 [2022-10-17 10:28:39,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:28:39,666 INFO L225 Difference]: With dead ends: 913 [2022-10-17 10:28:39,666 INFO L226 Difference]: Without dead ends: 0 [2022-10-17 10:28:39,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 187 SyntacticMatches, 7 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1231 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=927, Invalid=3765, Unknown=0, NotChecked=0, Total=4692 [2022-10-17 10:28:39,671 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 991 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 1460 mSolverCounterSat, 523 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 991 SdHoareTripleChecker+Valid, 802 SdHoareTripleChecker+Invalid, 1983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 523 IncrementalHoareTripleChecker+Valid, 1460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:28:39,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [991 Valid, 802 Invalid, 1983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [523 Valid, 1460 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-17 10:28:39,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-17 10:28:39,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-17 10:28:39,673 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) [2022-10-17 10:28:39,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-17 10:28:39,673 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2022-10-17 10:28:39,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:28:39,674 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:28:39,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 7.105263157894737) internal successors, (135), 14 states have internal predecessors, (135), 7 states have call successors, (25), 10 states have call predecessors, (25), 8 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) [2022-10-17 10:28:39,674 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:28:39,674 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 10:28:39,676 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-10-17 10:28:39,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d350db26-faf5-45ba-ac4b-36bb1a269dc3/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-10-17 10:28:39,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d350db26-faf5-45ba-ac4b-36bb1a269dc3/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-10-17 10:28:39,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-17 10:28:45,945 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 898 905) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)) [2022-10-17 10:28:45,945 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 898 905) no Hoare annotation was computed. [2022-10-17 10:28:45,946 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 898 905) no Hoare annotation was computed. [2022-10-17 10:28:45,946 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 805 811) no Hoare annotation was computed. [2022-10-17 10:28:45,946 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 805 811) the Hoare annotation is: true [2022-10-17 10:28:45,946 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 84 95) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse6 (= |old(~methaneLevelCritical~0)| 0))) (let ((.cse0 (not .cse6)) (.cse5 (not (= ~pumpRunning~0 1))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse7 (not .cse2)) (.cse4 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse4) (or .cse3 .cse6 .cse7 .cse5 .cse4) (or .cse1 .cse3 .cse6 .cse7 .cse4)))) [2022-10-17 10:28:45,946 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 84 95) no Hoare annotation was computed. [2022-10-17 10:28:45,946 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 84 95) no Hoare annotation was computed. [2022-10-17 10:28:45,947 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2022-10-17 10:28:45,947 INFO L895 garLoopResultBuilder]: At program point L64-2(lines 60 71) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-10-17 10:28:45,947 INFO L895 garLoopResultBuilder]: At program point L911(line 911) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-10-17 10:28:45,947 INFO L899 garLoopResultBuilder]: For program point L911-1(line 911) no Hoare annotation was computed. [2022-10-17 10:28:45,947 INFO L899 garLoopResultBuilder]: For program point L267(line 267) no Hoare annotation was computed. [2022-10-17 10:28:45,948 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 781 804) no Hoare annotation was computed. [2022-10-17 10:28:45,948 INFO L899 garLoopResultBuilder]: For program point L292(lines 292 298) no Hoare annotation was computed. [2022-10-17 10:28:45,948 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 301) no Hoare annotation was computed. [2022-10-17 10:28:45,948 INFO L895 garLoopResultBuilder]: At program point L288-1(lines 273 305) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~1#1|)) (.cse13 (= 1 ~systemActive~0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (= ~pumpRunning~0 1))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (and .cse5 (<= 2 ~waterLevel~0) .cse13 .cse7 .cse12)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (<= ~waterLevel~0 1)) (.cse8 (and (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~0#1| 1) (<= |timeShift_getWaterLevel_#res#1| 1))) (.cse1 (not .cse13)) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7)) (or .cse0 .cse8 .cse1 .cse2 .cse9 .cse3) (let ((.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse1 .cse10 (and .cse5 .cse6 .cse11 .cse12) .cse3 (and .cse4 .cse5 .cse6 .cse11))) (or .cse8 .cse1 .cse9 .cse10 .cse3)))) [2022-10-17 10:28:45,949 INFO L895 garLoopResultBuilder]: At program point L280(line 280) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= ~waterLevel~0 1)) (.cse3 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 1)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (let ((.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse0 .cse1 .cse2) .cse3 (not (= |old(~pumpRunning~0)| 1)) (and .cse4 .cse0 .cse1) .cse5)) (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse4 .cse0 .cse6) (not (= |old(~pumpRunning~0)| 0)) .cse3 (and (<= 2 ~waterLevel~0) .cse6 .cse2) .cse5)))) [2022-10-17 10:28:45,949 INFO L899 garLoopResultBuilder]: For program point L792-1(lines 792 798) no Hoare annotation was computed. [2022-10-17 10:28:45,949 INFO L899 garLoopResultBuilder]: For program point L280-1(line 280) no Hoare annotation was computed. [2022-10-17 10:28:45,949 INFO L895 garLoopResultBuilder]: At program point L879(line 879) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-10-17 10:28:45,950 INFO L895 garLoopResultBuilder]: At program point L268(lines 263 270) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-10-17 10:28:45,950 INFO L895 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-10-17 10:28:45,950 INFO L895 garLoopResultBuilder]: At program point L884(line 884) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1))) [2022-10-17 10:28:45,950 INFO L895 garLoopResultBuilder]: At program point L884-1(lines 865 889) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= ~waterLevel~0 1)) (.cse3 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 1)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (let ((.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse0 .cse1 .cse2) .cse3 (not (= |old(~pumpRunning~0)| 1)) (and .cse4 .cse0 .cse1) .cse5)) (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse4 .cse0 .cse6) (not (= |old(~pumpRunning~0)| 0)) .cse3 (and (<= 2 ~waterLevel~0) .cse6 .cse2) .cse5)))) [2022-10-17 10:28:45,951 INFO L895 garLoopResultBuilder]: At program point L913(lines 906 916) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-10-17 10:28:45,951 INFO L899 garLoopResultBuilder]: For program point L785-1(lines 784 803) no Hoare annotation was computed. [2022-10-17 10:28:45,951 INFO L895 garLoopResultBuilder]: At program point L133(lines 128 136) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~1#1|)) (.cse10 (<= ~waterLevel~0 1)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (<= |timeShift_getWaterLevel_#res#1| 1))) (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse9 .cse6 .cse10 .cse7 .cse12)) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse8 (= ~pumpRunning~0 1)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse4 .cse2) (or .cse1 .cse2 .cse5 .cse3) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 (= |timeShift_getWaterLevel_#res#1| 1)) (or .cse0 .cse4 .cse2 (and .cse6 .cse7 .cse8) .cse3) (let ((.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse2 (and .cse9 .cse6 .cse10 .cse11 .cse12) .cse5 (and .cse6 .cse10 .cse11 .cse12 .cse8) .cse3))))) [2022-10-17 10:28:45,952 INFO L899 garLoopResultBuilder]: For program point L282(lines 282 302) no Hoare annotation was computed. [2022-10-17 10:28:45,952 INFO L895 garLoopResultBuilder]: At program point L922(lines 917 925) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (or .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2) (or .cse0 .cse1 .cse2 (and (= |timeShift_isPumpRunning_#res#1| 1) (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~1#1|) (<= 2 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 1))))) [2022-10-17 10:28:45,952 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 781 804) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) .cse1 .cse2) (or .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2 (and .cse0 (= ~pumpRunning~0 1))))) [2022-10-17 10:28:45,952 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 781 804) no Hoare annotation was computed. [2022-10-17 10:28:45,952 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 881) no Hoare annotation was computed. [2022-10-17 10:28:45,953 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 267) no Hoare annotation was computed. [2022-10-17 10:28:45,953 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 886) no Hoare annotation was computed. [2022-10-17 10:28:45,953 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 163 192) no Hoare annotation was computed. [2022-10-17 10:28:45,953 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 163 192) the Hoare annotation is: true [2022-10-17 10:28:45,953 INFO L902 garLoopResultBuilder]: At program point L188(lines 163 192) the Hoare annotation is: true [2022-10-17 10:28:45,953 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-10-17 10:28:45,953 INFO L899 garLoopResultBuilder]: For program point L177(lines 177 181) no Hoare annotation was computed. [2022-10-17 10:28:45,954 INFO L902 garLoopResultBuilder]: At program point L177-1(lines 177 181) the Hoare annotation is: true [2022-10-17 10:28:45,954 INFO L899 garLoopResultBuilder]: For program point L174(line 174) no Hoare annotation was computed. [2022-10-17 10:28:45,954 INFO L902 garLoopResultBuilder]: At program point L173-2(lines 173 187) the Hoare annotation is: true [2022-10-17 10:28:45,954 INFO L902 garLoopResultBuilder]: At program point L169(line 169) the Hoare annotation is: true [2022-10-17 10:28:45,954 INFO L899 garLoopResultBuilder]: For program point L169-1(line 169) no Hoare annotation was computed. [2022-10-17 10:28:45,954 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 96 104) the Hoare annotation is: true [2022-10-17 10:28:45,954 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 96 104) no Hoare annotation was computed. [2022-10-17 10:28:45,955 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 96 104) no Hoare annotation was computed. [2022-10-17 10:28:45,955 INFO L899 garLoopResultBuilder]: For program point L729(lines 729 735) no Hoare annotation was computed. [2022-10-17 10:28:45,955 INFO L899 garLoopResultBuilder]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2022-10-17 10:28:45,955 INFO L895 garLoopResultBuilder]: At program point L337(lines 332 340) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-10-17 10:28:45,955 INFO L899 garLoopResultBuilder]: For program point L721(lines 721 725) no Hoare annotation was computed. [2022-10-17 10:28:45,955 INFO L895 garLoopResultBuilder]: At program point L329(lines 325 331) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-10-17 10:28:45,956 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-17 10:28:45,956 INFO L895 garLoopResultBuilder]: At program point L767(lines 718 768) the Hoare annotation is: false [2022-10-17 10:28:45,956 INFO L895 garLoopResultBuilder]: At program point L222(lines 218 224) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-10-17 10:28:45,956 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-17 10:28:45,956 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-17 10:28:45,956 INFO L899 garLoopResultBuilder]: For program point L739(lines 739 745) no Hoare annotation was computed. [2022-10-17 10:28:45,957 INFO L895 garLoopResultBuilder]: At program point L322(lines 318 324) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-10-17 10:28:45,957 INFO L899 garLoopResultBuilder]: For program point L739-1(lines 739 745) no Hoare annotation was computed. [2022-10-17 10:28:45,957 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-17 10:28:45,957 INFO L895 garLoopResultBuilder]: At program point L764(lines 719 766) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 2) (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) .cse0 .cse1))) [2022-10-17 10:28:45,957 INFO L895 garLoopResultBuilder]: At program point L731(line 731) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 2) (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) .cse0 .cse1))) [2022-10-17 10:28:45,957 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 256) no Hoare annotation was computed. [2022-10-17 10:28:45,958 INFO L899 garLoopResultBuilder]: For program point L249-2(lines 249 256) no Hoare annotation was computed. [2022-10-17 10:28:45,958 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 761) no Hoare annotation was computed. [2022-10-17 10:28:45,958 INFO L895 garLoopResultBuilder]: At program point L757-2(lines 749 762) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2))) [2022-10-17 10:28:45,958 INFO L899 garLoopResultBuilder]: For program point L720(lines 719 766) no Hoare annotation was computed. [2022-10-17 10:28:45,958 INFO L899 garLoopResultBuilder]: For program point L749(lines 749 762) no Hoare annotation was computed. [2022-10-17 10:28:45,958 INFO L895 garLoopResultBuilder]: At program point L1005(lines 1000 1007) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2))) [2022-10-17 10:28:45,958 INFO L902 garLoopResultBuilder]: At program point L233(lines 226 235) the Hoare annotation is: true [2022-10-17 10:28:45,959 INFO L895 garLoopResultBuilder]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2))) [2022-10-17 10:28:45,959 INFO L902 garLoopResultBuilder]: At program point L770(lines 709 774) the Hoare annotation is: true [2022-10-17 10:28:45,959 INFO L902 garLoopResultBuilder]: At program point L258(lines 239 261) the Hoare annotation is: true [2022-10-17 10:28:45,959 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 813 837) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))))) [2022-10-17 10:28:45,959 INFO L895 garLoopResultBuilder]: At program point L832(line 832) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-10-17 10:28:45,959 INFO L899 garLoopResultBuilder]: For program point L832-1(lines 813 837) no Hoare annotation was computed. [2022-10-17 10:28:45,960 INFO L895 garLoopResultBuilder]: At program point L977(lines 962 980) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~9#1| 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 (and .cse2 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0) .cse3) (not (<= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2))) (or .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse4) (or .cse0 (and .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (not .cse3)) .cse1 .cse4))) [2022-10-17 10:28:45,960 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2022-10-17 10:28:45,960 INFO L899 garLoopResultBuilder]: For program point L971(lines 971 975) no Hoare annotation was computed. [2022-10-17 10:28:45,960 INFO L899 garLoopResultBuilder]: For program point L971-2(lines 971 975) no Hoare annotation was computed. [2022-10-17 10:28:45,960 INFO L895 garLoopResultBuilder]: At program point L895(lines 890 897) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (<= 2 ~waterLevel~0) (<= 1 |processEnvironment__wrappee__highWaterSensor_~tmp~6#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~9#1| 0) (= ~pumpRunning~0 1)) (not (<= ~waterLevel~0 2))))) [2022-10-17 10:28:45,961 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 813 837) no Hoare annotation was computed. [2022-10-17 10:28:45,961 INFO L895 garLoopResultBuilder]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 1))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not .cse1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) .cse1 (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0)) (not (<= ~waterLevel~0 2))))) [2022-10-17 10:28:45,961 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 829) no Hoare annotation was computed. [2022-10-17 10:28:45,961 INFO L895 garLoopResultBuilder]: At program point L146(lines 137 150) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse3 (<= ~waterLevel~0 1))) (and (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 (<= 2 ~waterLevel~0) .cse2) (and .cse1 .cse3 (not .cse2)) (not (<= ~waterLevel~0 2)))) (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not .cse3)))) [2022-10-17 10:28:45,961 INFO L899 garLoopResultBuilder]: For program point L817(lines 817 834) no Hoare annotation was computed. [2022-10-17 10:28:45,961 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 72 83) no Hoare annotation was computed. [2022-10-17 10:28:45,962 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2022-10-17 10:28:45,962 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 72 83) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (<= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) .cse0 .cse1) (or .cse0 (not (= ~pumpRunning~0 1)) .cse1 (not (<= |old(~waterLevel~0)| 2))))) [2022-10-17 10:28:45,962 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 839 863) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))))) [2022-10-17 10:28:45,962 INFO L895 garLoopResultBuilder]: At program point L853(line 853) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-10-17 10:28:45,962 INFO L895 garLoopResultBuilder]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-10-17 10:28:45,963 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 855) no Hoare annotation was computed. [2022-10-17 10:28:45,963 INFO L899 garLoopResultBuilder]: For program point L843(lines 843 860) no Hoare annotation was computed. [2022-10-17 10:28:45,963 INFO L895 garLoopResultBuilder]: At program point L996(lines 981 999) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-10-17 10:28:45,963 INFO L899 garLoopResultBuilder]: For program point L990(lines 990 994) no Hoare annotation was computed. [2022-10-17 10:28:45,963 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 839 863) no Hoare annotation was computed. [2022-10-17 10:28:45,963 INFO L895 garLoopResultBuilder]: At program point L156(lines 151 159) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-10-17 10:28:45,963 INFO L899 garLoopResultBuilder]: For program point L990-2(lines 990 994) no Hoare annotation was computed. [2022-10-17 10:28:45,964 INFO L895 garLoopResultBuilder]: At program point L858(line 858) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))))) [2022-10-17 10:28:45,964 INFO L899 garLoopResultBuilder]: For program point L858-1(lines 839 863) no Hoare annotation was computed. [2022-10-17 10:28:45,967 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:28:45,970 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 10:28:46,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 10:28:46 BoogieIcfgContainer [2022-10-17 10:28:46,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 10:28:46,040 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:28:46,040 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:28:46,040 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:28:46,040 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:28:30" (3/4) ... [2022-10-17 10:28:46,044 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 10:28:46,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-10-17 10:28:46,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-10-17 10:28:46,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 10:28:46,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 10:28:46,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 10:28:46,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-10-17 10:28:46,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-10-17 10:28:46,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 10:28:46,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-10-17 10:28:46,073 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2022-10-17 10:28:46,075 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-10-17 10:28:46,075 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-10-17 10:28:46,076 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 10:28:46,077 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 10:28:46,078 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 10:28:46,079 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 10:28:46,116 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-10-17 10:28:46,118 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) && ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) [2022-10-17 10:28:46,120 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((methaneLevelCritical == tmp && 2 <= waterLevel) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) && (((((!(\old(pumpRunning) == 0) || (tmp___0 <= 1 && \result <= 1)) || !(1 == systemActive)) || ((((methaneLevelCritical == tmp && 2 <= waterLevel) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || (((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && waterLevel <= \old(waterLevel)))) && (((((tmp___0 <= 1 && \result <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) [2022-10-17 10:28:46,121 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-10-17 10:28:46,121 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == tmp) && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(1 == systemActive))) && (((methaneLevelCritical == 0 || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1)) && ((((!(\old(pumpRunning) == 0) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == tmp) && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(1 == systemActive)) || ((methaneLevelCritical == tmp && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || ((((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(\old(pumpRunning) == 1)) || ((((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) [2022-10-17 10:28:46,121 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) || pumpRunning == 1) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-10-17 10:28:46,122 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && 2 <= waterLevel) && \result == 0)) || ((pumpRunning == 0 && waterLevel <= 1) && !(\result == 0))) || !(waterLevel <= 2)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) [2022-10-17 10:28:46,123 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) || pumpRunning == 1) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-10-17 10:28:46,123 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((((\result == 1 && methaneLevelCritical == tmp) && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) [2022-10-17 10:28:46,123 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == 0 && 1 <= tmp___0) && 1 <= \result) && \result == 0) && tmp == 0)) || !(2 <= waterLevel)) || !(waterLevel <= 2)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1))) && (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && tmp___0 == 0) && \result == 0) && !(tmp == 0))) || !(1 == systemActive)) || !(waterLevel <= 1)) [2022-10-17 10:28:46,127 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-10-17 10:28:46,128 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((2 <= waterLevel && 1 <= tmp) && 1 <= tmp___0) && 1 <= \result) && \result == 0) && tmp == 0) && pumpRunning == 1)) || !(waterLevel <= 2)) [2022-10-17 10:28:46,194 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d350db26-faf5-45ba-ac4b-36bb1a269dc3/bin/uautomizer-J5u9QxTXDZ/witness.graphml [2022-10-17 10:28:46,195 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:28:46,195 INFO L158 Benchmark]: Toolchain (without parser) took 17006.25ms. Allocated memory was 96.5MB in the beginning and 232.8MB in the end (delta: 136.3MB). Free memory was 57.4MB in the beginning and 199.7MB in the end (delta: -142.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:28:46,196 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory was 75.1MB in the beginning and 75.1MB in the end (delta: 47.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:28:46,196 INFO L158 Benchmark]: CACSL2BoogieTranslator took 579.62ms. Allocated memory was 96.5MB in the beginning and 132.1MB in the end (delta: 35.7MB). Free memory was 57.2MB in the beginning and 97.0MB in the end (delta: -39.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 10:28:46,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.12ms. Allocated memory is still 132.1MB. Free memory was 97.0MB in the beginning and 94.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 10:28:46,198 INFO L158 Benchmark]: Boogie Preprocessor took 49.52ms. Allocated memory is still 132.1MB. Free memory was 94.2MB in the beginning and 92.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:28:46,198 INFO L158 Benchmark]: RCFGBuilder took 721.55ms. Allocated memory is still 132.1MB. Free memory was 92.6MB in the beginning and 72.3MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-10-17 10:28:46,199 INFO L158 Benchmark]: TraceAbstraction took 15421.20ms. Allocated memory was 132.1MB in the beginning and 232.8MB in the end (delta: 100.7MB). Free memory was 71.8MB in the beginning and 206.0MB in the end (delta: -134.1MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. [2022-10-17 10:28:46,200 INFO L158 Benchmark]: Witness Printer took 155.33ms. Allocated memory is still 232.8MB. Free memory was 206.0MB in the beginning and 199.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 10:28:46,203 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory was 75.1MB in the beginning and 75.1MB in the end (delta: 47.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 579.62ms. Allocated memory was 96.5MB in the beginning and 132.1MB in the end (delta: 35.7MB). Free memory was 57.2MB in the beginning and 97.0MB in the end (delta: -39.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.12ms. Allocated memory is still 132.1MB. Free memory was 97.0MB in the beginning and 94.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.52ms. Allocated memory is still 132.1MB. Free memory was 94.2MB in the beginning and 92.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 721.55ms. Allocated memory is still 132.1MB. Free memory was 92.6MB in the beginning and 72.3MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 15421.20ms. Allocated memory was 132.1MB in the beginning and 232.8MB in the end (delta: 100.7MB). Free memory was 71.8MB in the beginning and 206.0MB in the end (delta: -134.1MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. * Witness Printer took 155.33ms. Allocated memory is still 232.8MB. Free memory was 206.0MB in the beginning and 199.7MB 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: 267]: 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 10 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.3s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2439 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2402 mSDsluCounter, 4212 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2744 mSDsCounter, 919 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3013 IncrementalHoareTripleChecker+Invalid, 3932 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 919 mSolverCounterUnsat, 1468 mSDtfsCounter, 3013 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 427 GetRequests, 286 SyntacticMatches, 8 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1268 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=332occurred in iteration=9, InterpolantAutomatonStates: 125, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 56 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 1415 PreInvPairs, 1666 NumberOfFragments, 1576 HoareAnnotationTreeSize, 1415 FomulaSimplifications, 132 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 48 FomulaSimplificationsInter, 12617 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 676 NumberOfCodeBlocks, 676 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 753 ConstructedInterpolants, 0 QuantifiedInterpolants, 1394 SizeOfPredicates, 4 NumberOfNonLiveVariables, 455 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 64/84 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: 325]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((2 <= waterLevel && 1 <= tmp) && 1 <= tmp___0) && 1 <= \result) && \result == 0) && tmp == 0) && pumpRunning == 1)) || !(waterLevel <= 2)) - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((((\result == 1 && methaneLevelCritical == tmp) && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == tmp) && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(1 == systemActive))) && (((methaneLevelCritical == 0 || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1)) && ((((!(\old(pumpRunning) == 0) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == tmp) && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(1 == systemActive)) || ((methaneLevelCritical == tmp && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || ((((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(\old(pumpRunning) == 1)) || ((((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == 0 && 1 <= tmp___0) && 1 <= \result) && \result == 0) && tmp == 0)) || !(2 <= waterLevel)) || !(waterLevel <= 2)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1))) && (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && tmp___0 == 0) && \result == 0) && !(tmp == 0))) || !(1 == systemActive)) || !(waterLevel <= 1)) - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) || pumpRunning == 1) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: (((1 == systemActive && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 1) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) || pumpRunning == 1) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) && ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && 2 <= waterLevel) && \result == 0)) || ((pumpRunning == 0 && waterLevel <= 1) && !(\result == 0))) || !(waterLevel <= 2)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((methaneLevelCritical == tmp && 2 <= waterLevel) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) && (((((!(\old(pumpRunning) == 0) || (tmp___0 <= 1 && \result <= 1)) || !(1 == systemActive)) || ((((methaneLevelCritical == tmp && 2 <= waterLevel) && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || (((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && waterLevel <= \old(waterLevel)))) && (((((tmp___0 <= 1 && \result <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 1000]: Loop Invariant Derived loop invariant: (((1 == systemActive && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 1) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) RESULT: Ultimate proved your program to be correct! [2022-10-17 10:28:46,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d350db26-faf5-45ba-ac4b-36bb1a269dc3/bin/uautomizer-J5u9QxTXDZ/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