./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 4583285deb29d8014ded34089a46614a743cea13eee9bbb990cdfd770bfce36e --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 15:07:43,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 15:07:43,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 15:07:43,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 15:07:43,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 15:07:43,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 15:07:43,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 15:07:43,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 15:07:43,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 15:07:43,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 15:07:43,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 15:07:43,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 15:07:43,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 15:07:43,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 15:07:43,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 15:07:43,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 15:07:43,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 15:07:43,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 15:07:43,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 15:07:43,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 15:07:43,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 15:07:43,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 15:07:43,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 15:07:43,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 15:07:43,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 15:07:43,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 15:07:43,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 15:07:43,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 15:07:43,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 15:07:43,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 15:07:43,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 15:07:43,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 15:07:43,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 15:07:43,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 15:07:43,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 15:07:43,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 15:07:43,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 15:07:43,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 15:07:43,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 15:07:43,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 15:07:43,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 15:07:43,504 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 15:07:43,529 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 15:07:43,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 15:07:43,530 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 15:07:43,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 15:07:43,531 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 15:07:43,531 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 15:07:43,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 15:07:43,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 15:07:43,532 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 15:07:43,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 15:07:43,532 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 15:07:43,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 15:07:43,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 15:07:43,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 15:07:43,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 15:07:43,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 15:07:43,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 15:07:43,533 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 15:07:43,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 15:07:43,534 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 15:07:43,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 15:07:43,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 15:07:43,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 15:07:43,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 15:07:43,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:07:43,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 15:07:43,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 15:07:43,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 15:07:43,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 15:07:43,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 15:07:43,535 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 15:07:43,535 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 15:07:43,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 15:07:43,536 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 15:07:43,536 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4583285deb29d8014ded34089a46614a743cea13eee9bbb990cdfd770bfce36e [2021-12-17 15:07:43,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 15:07:43,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 15:07:43,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 15:07:43,773 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 15:07:43,773 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 15:07:43,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2021-12-17 15:07:43,814 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1720d7bc3/7d53700a436c4495b2dece5b38fd53f8/FLAG8ba1e450b [2021-12-17 15:07:44,187 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 15:07:44,190 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2021-12-17 15:07:44,205 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1720d7bc3/7d53700a436c4495b2dece5b38fd53f8/FLAG8ba1e450b [2021-12-17 15:07:44,571 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1720d7bc3/7d53700a436c4495b2dece5b38fd53f8 [2021-12-17 15:07:44,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 15:07:44,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 15:07:44,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 15:07:44,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 15:07:44,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 15:07:44,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:07:44" (1/1) ... [2021-12-17 15:07:44,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b61d6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:44, skipping insertion in model container [2021-12-17 15:07:44,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:07:44" (1/1) ... [2021-12-17 15:07:44,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 15:07:44,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 15:07:44,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c[19177,19190] [2021-12-17 15:07:44,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:07:44,862 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 15:07:44,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c[19177,19190] [2021-12-17 15:07:44,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 15:07:44,929 INFO L208 MainTranslator]: Completed translation [2021-12-17 15:07:44,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:44 WrapperNode [2021-12-17 15:07:44,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 15:07:44,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 15:07:44,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 15:07:44,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 15:07:44,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:44" (1/1) ... [2021-12-17 15:07:44,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:44" (1/1) ... [2021-12-17 15:07:44,987 INFO L137 Inliner]: procedures = 58, calls = 158, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 265 [2021-12-17 15:07:44,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 15:07:44,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 15:07:44,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 15:07:44,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 15:07:44,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:44" (1/1) ... [2021-12-17 15:07:44,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:44" (1/1) ... [2021-12-17 15:07:44,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:44" (1/1) ... [2021-12-17 15:07:44,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:44" (1/1) ... [2021-12-17 15:07:45,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:44" (1/1) ... [2021-12-17 15:07:45,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:44" (1/1) ... [2021-12-17 15:07:45,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:44" (1/1) ... [2021-12-17 15:07:45,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 15:07:45,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 15:07:45,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 15:07:45,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 15:07:45,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:44" (1/1) ... [2021-12-17 15:07:45,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 15:07:45,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:07:45,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 15:07:45,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 15:07:45,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 15:07:45,096 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-17 15:07:45,096 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-17 15:07:45,096 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-17 15:07:45,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-17 15:07:45,096 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-17 15:07:45,096 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-17 15:07:45,096 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-17 15:07:45,096 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-17 15:07:45,097 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:07:45,097 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:07:45,097 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-17 15:07:45,097 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-17 15:07:45,097 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-17 15:07:45,097 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-17 15:07:45,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 15:07:45,098 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-17 15:07:45,098 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-17 15:07:45,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 15:07:45,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 15:07:45,163 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 15:07:45,164 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 15:07:45,441 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 15:07:45,449 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 15:07:45,449 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 15:07:45,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:07:45 BoogieIcfgContainer [2021-12-17 15:07:45,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 15:07:45,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 15:07:45,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 15:07:45,457 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 15:07:45,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:07:44" (1/3) ... [2021-12-17 15:07:45,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@704fa7be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:07:45, skipping insertion in model container [2021-12-17 15:07:45,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:07:44" (2/3) ... [2021-12-17 15:07:45,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@704fa7be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:07:45, skipping insertion in model container [2021-12-17 15:07:45,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:07:45" (3/3) ... [2021-12-17 15:07:45,460 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product52.cil.c [2021-12-17 15:07:45,463 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 15:07:45,464 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 15:07:45,508 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 15:07:45,513 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 15:07:45,514 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 15:07:45,537 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 82 states have internal predecessors, (101), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-17 15:07:45,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-17 15:07:45,546 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:45,547 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:07:45,547 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:45,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:45,552 INFO L85 PathProgramCache]: Analyzing trace with hash -656399671, now seen corresponding path program 1 times [2021-12-17 15:07:45,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:45,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266787471] [2021-12-17 15:07:45,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:45,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:45,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-17 15:07:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:45,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:45,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:45,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266787471] [2021-12-17 15:07:45,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266787471] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:45,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:45,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 15:07:45,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852684760] [2021-12-17 15:07:45,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:45,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 15:07:45,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:45,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 15:07:45,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 15:07:45,740 INFO L87 Difference]: Start difference. First operand has 96 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 82 states have internal predecessors, (101), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) 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) [2021-12-17 15:07:45,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:45,775 INFO L93 Difference]: Finished difference Result 183 states and 248 transitions. [2021-12-17 15:07:45,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 15:07:45,777 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 [2021-12-17 15:07:45,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:45,797 INFO L225 Difference]: With dead ends: 183 [2021-12-17 15:07:45,797 INFO L226 Difference]: Without dead ends: 87 [2021-12-17 15:07:45,801 INFO L932 BasicCegarLoop]: 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 [2021-12-17 15:07:45,803 INFO L933 BasicCegarLoop]: 121 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, 121 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 [2021-12-17 15:07:45,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:45,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-12-17 15:07:45,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-12-17 15:07:45,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 66 states have (on average 1.3181818181818181) internal successors, (87), 74 states have internal predecessors, (87), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-17 15:07:45,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2021-12-17 15:07:45,832 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 112 transitions. Word has length 25 [2021-12-17 15:07:45,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:45,832 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 112 transitions. [2021-12-17 15:07:45,833 INFO L471 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) [2021-12-17 15:07:45,833 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2021-12-17 15:07:45,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-17 15:07:45,834 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:45,835 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:07:45,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 15:07:45,835 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:45,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:45,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1991216904, now seen corresponding path program 1 times [2021-12-17 15:07:45,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:45,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704416405] [2021-12-17 15:07:45,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:45,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:45,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-17 15:07:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:45,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:45,892 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:45,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704416405] [2021-12-17 15:07:45,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704416405] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:45,893 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:45,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 15:07:45,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259096061] [2021-12-17 15:07:45,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:45,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:07:45,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:45,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:07:45,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 15:07:45,896 INFO L87 Difference]: Start difference. First operand 87 states and 112 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) [2021-12-17 15:07:45,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:45,917 INFO L93 Difference]: Finished difference Result 134 states and 172 transitions. [2021-12-17 15:07:45,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:07:45,920 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 [2021-12-17 15:07:45,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:45,923 INFO L225 Difference]: With dead ends: 134 [2021-12-17 15:07:45,923 INFO L226 Difference]: Without dead ends: 78 [2021-12-17 15:07:45,925 INFO L932 BasicCegarLoop]: 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 [2021-12-17 15:07:45,927 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 17 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 176 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 [2021-12-17 15:07:45,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 176 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:45,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-12-17 15:07:45,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-12-17 15:07:45,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 68 states have internal predecessors, (80), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-17 15:07:45,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2021-12-17 15:07:45,940 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 26 [2021-12-17 15:07:45,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:45,941 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2021-12-17 15:07:45,941 INFO L471 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) [2021-12-17 15:07:45,942 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2021-12-17 15:07:45,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-17 15:07:45,946 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:45,946 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:07:45,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 15:07:45,947 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:45,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:45,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1985117727, now seen corresponding path program 1 times [2021-12-17 15:07:45,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:45,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353774157] [2021-12-17 15:07:45,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:45,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:46,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-17 15:07:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:46,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:46,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:46,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353774157] [2021-12-17 15:07:46,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353774157] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:46,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:46,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:07:46,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42011253] [2021-12-17 15:07:46,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:46,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:07:46,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:46,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:07:46,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:07:46,058 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 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) [2021-12-17 15:07:46,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:46,146 INFO L93 Difference]: Finished difference Result 191 states and 249 transitions. [2021-12-17 15:07:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 15:07:46,149 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 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 [2021-12-17 15:07:46,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:46,150 INFO L225 Difference]: With dead ends: 191 [2021-12-17 15:07:46,150 INFO L226 Difference]: Without dead ends: 121 [2021-12-17 15:07:46,151 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-17 15:07:46,152 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 165 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:46,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 342 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:46,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-12-17 15:07:46,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 118. [2021-12-17 15:07:46,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 90 states have (on average 1.3555555555555556) internal successors, (122), 101 states have internal predecessors, (122), 15 states have call successors, (15), 12 states have call predecessors, (15), 12 states have return successors, (16), 11 states have call predecessors, (16), 15 states have call successors, (16) [2021-12-17 15:07:46,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 153 transitions. [2021-12-17 15:07:46,164 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 153 transitions. Word has length 31 [2021-12-17 15:07:46,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:46,164 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 153 transitions. [2021-12-17 15:07:46,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 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) [2021-12-17 15:07:46,164 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 153 transitions. [2021-12-17 15:07:46,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-17 15:07:46,165 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:46,165 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:07:46,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 15:07:46,165 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:46,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:46,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1980394589, now seen corresponding path program 1 times [2021-12-17 15:07:46,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:46,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758939568] [2021-12-17 15:07:46,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:46,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:46,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-17 15:07:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:46,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:46,230 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:46,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758939568] [2021-12-17 15:07:46,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758939568] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:46,231 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:46,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:07:46,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717001871] [2021-12-17 15:07:46,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:46,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:07:46,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:46,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:07:46,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:07:46,232 INFO L87 Difference]: Start difference. First operand 118 states and 153 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:46,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:46,294 INFO L93 Difference]: Finished difference Result 336 states and 446 transitions. [2021-12-17 15:07:46,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 15:07:46,295 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2021-12-17 15:07:46,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:46,297 INFO L225 Difference]: With dead ends: 336 [2021-12-17 15:07:46,297 INFO L226 Difference]: Without dead ends: 226 [2021-12-17 15:07:46,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:07:46,298 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 69 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:46,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 488 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:46,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2021-12-17 15:07:46,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 220. [2021-12-17 15:07:46,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 165 states have (on average 1.3393939393939394) internal successors, (221), 186 states have internal predecessors, (221), 30 states have call successors, (30), 24 states have call predecessors, (30), 24 states have return successors, (34), 22 states have call predecessors, (34), 30 states have call successors, (34) [2021-12-17 15:07:46,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 285 transitions. [2021-12-17 15:07:46,323 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 285 transitions. Word has length 34 [2021-12-17 15:07:46,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:46,324 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 285 transitions. [2021-12-17 15:07:46,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 15:07:46,324 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 285 transitions. [2021-12-17 15:07:46,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-17 15:07:46,334 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:46,334 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:07:46,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 15:07:46,334 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:46,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:46,335 INFO L85 PathProgramCache]: Analyzing trace with hash -973115463, now seen corresponding path program 1 times [2021-12-17 15:07:46,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:46,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199331273] [2021-12-17 15:07:46,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:46,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:46,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:07:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:46,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-17 15:07:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:46,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:46,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:46,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199331273] [2021-12-17 15:07:46,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199331273] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:46,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:46,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:07:46,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502487826] [2021-12-17 15:07:46,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:46,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:07:46,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:46,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:07:46,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:07:46,419 INFO L87 Difference]: Start difference. First operand 220 states and 285 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:07:46,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:46,656 INFO L93 Difference]: Finished difference Result 510 states and 679 transitions. [2021-12-17 15:07:46,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 15:07:46,656 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2021-12-17 15:07:46,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:46,658 INFO L225 Difference]: With dead ends: 510 [2021-12-17 15:07:46,658 INFO L226 Difference]: Without dead ends: 298 [2021-12-17 15:07:46,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-17 15:07:46,660 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 114 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:46,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 239 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:07:46,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2021-12-17 15:07:46,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 287. [2021-12-17 15:07:46,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 216 states have (on average 1.2777777777777777) internal successors, (276), 235 states have internal predecessors, (276), 36 states have call successors, (36), 34 states have call predecessors, (36), 34 states have return successors, (51), 34 states have call predecessors, (51), 36 states have call successors, (51) [2021-12-17 15:07:46,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 363 transitions. [2021-12-17 15:07:46,693 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 363 transitions. Word has length 38 [2021-12-17 15:07:46,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:46,694 INFO L470 AbstractCegarLoop]: Abstraction has 287 states and 363 transitions. [2021-12-17 15:07:46,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-17 15:07:46,694 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 363 transitions. [2021-12-17 15:07:46,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-17 15:07:46,695 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:46,695 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:07:46,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 15:07:46,695 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:46,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:46,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1171118211, now seen corresponding path program 1 times [2021-12-17 15:07:46,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:46,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898302547] [2021-12-17 15:07:46,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:46,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:46,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:07:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:46,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-17 15:07:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:46,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-17 15:07:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:46,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:46,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:46,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898302547] [2021-12-17 15:07:46,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898302547] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:46,745 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:46,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 15:07:46,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063668798] [2021-12-17 15:07:46,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:46,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:07:46,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:46,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:07:46,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 15:07:46,746 INFO L87 Difference]: Start difference. First operand 287 states and 363 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:07:46,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:46,903 INFO L93 Difference]: Finished difference Result 613 states and 772 transitions. [2021-12-17 15:07:46,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 15:07:46,903 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2021-12-17 15:07:46,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:46,905 INFO L225 Difference]: With dead ends: 613 [2021-12-17 15:07:46,905 INFO L226 Difference]: Without dead ends: 334 [2021-12-17 15:07:46,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-17 15:07:46,907 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 149 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:46,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 234 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:07:46,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2021-12-17 15:07:46,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 328. [2021-12-17 15:07:46,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 247 states have (on average 1.2510121457489878) internal successors, (309), 266 states have internal predecessors, (309), 40 states have call successors, (40), 34 states have call predecessors, (40), 40 states have return successors, (57), 42 states have call predecessors, (57), 40 states have call successors, (57) [2021-12-17 15:07:46,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 406 transitions. [2021-12-17 15:07:46,923 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 406 transitions. Word has length 52 [2021-12-17 15:07:46,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:46,923 INFO L470 AbstractCegarLoop]: Abstraction has 328 states and 406 transitions. [2021-12-17 15:07:46,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:07:46,923 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 406 transitions. [2021-12-17 15:07:46,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-12-17 15:07:46,924 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:46,924 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:07:46,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 15:07:46,925 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:46,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:46,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1523834569, now seen corresponding path program 1 times [2021-12-17 15:07:46,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:46,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667956145] [2021-12-17 15:07:46,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:46,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:46,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:07:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:46,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:07:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:46,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-17 15:07:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:46,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:46,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:46,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667956145] [2021-12-17 15:07:46,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667956145] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:46,979 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:46,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 15:07:46,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234334305] [2021-12-17 15:07:46,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:46,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 15:07:46,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:46,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 15:07:46,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-17 15:07:46,981 INFO L87 Difference]: Start difference. First operand 328 states and 406 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:07:47,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:47,169 INFO L93 Difference]: Finished difference Result 662 states and 831 transitions. [2021-12-17 15:07:47,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 15:07:47,169 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2021-12-17 15:07:47,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:47,171 INFO L225 Difference]: With dead ends: 662 [2021-12-17 15:07:47,171 INFO L226 Difference]: Without dead ends: 342 [2021-12-17 15:07:47,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-17 15:07:47,172 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 123 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:47,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 258 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:07:47,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2021-12-17 15:07:47,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 334. [2021-12-17 15:07:47,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 253 states have (on average 1.2450592885375493) internal successors, (315), 272 states have internal predecessors, (315), 40 states have call successors, (40), 34 states have call predecessors, (40), 40 states have return successors, (57), 42 states have call predecessors, (57), 40 states have call successors, (57) [2021-12-17 15:07:47,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 412 transitions. [2021-12-17 15:07:47,186 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 412 transitions. Word has length 49 [2021-12-17 15:07:47,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:47,186 INFO L470 AbstractCegarLoop]: Abstraction has 334 states and 412 transitions. [2021-12-17 15:07:47,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:07:47,187 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 412 transitions. [2021-12-17 15:07:47,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-12-17 15:07:47,187 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:47,187 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:07:47,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 15:07:47,188 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:47,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:47,188 INFO L85 PathProgramCache]: Analyzing trace with hash -165109173, now seen corresponding path program 1 times [2021-12-17 15:07:47,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:47,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769223544] [2021-12-17 15:07:47,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:47,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:47,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:07:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:47,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:07:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:47,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-17 15:07:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:47,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:47,230 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:47,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769223544] [2021-12-17 15:07:47,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769223544] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:47,230 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:47,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:07:47,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691806275] [2021-12-17 15:07:47,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:47,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:07:47,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:47,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:07:47,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:07:47,231 INFO L87 Difference]: Start difference. First operand 334 states and 412 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:07:47,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:47,372 INFO L93 Difference]: Finished difference Result 678 states and 855 transitions. [2021-12-17 15:07:47,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 15:07:47,373 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2021-12-17 15:07:47,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:47,374 INFO L225 Difference]: With dead ends: 678 [2021-12-17 15:07:47,374 INFO L226 Difference]: Without dead ends: 352 [2021-12-17 15:07:47,375 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-17 15:07:47,376 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 128 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:47,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 219 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 15:07:47,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2021-12-17 15:07:47,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 338. [2021-12-17 15:07:47,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 257 states have (on average 1.2412451361867705) internal successors, (319), 276 states have internal predecessors, (319), 40 states have call successors, (40), 34 states have call predecessors, (40), 40 states have return successors, (57), 42 states have call predecessors, (57), 40 states have call successors, (57) [2021-12-17 15:07:47,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 416 transitions. [2021-12-17 15:07:47,389 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 416 transitions. Word has length 49 [2021-12-17 15:07:47,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:47,390 INFO L470 AbstractCegarLoop]: Abstraction has 338 states and 416 transitions. [2021-12-17 15:07:47,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:07:47,390 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 416 transitions. [2021-12-17 15:07:47,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-12-17 15:07:47,391 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:47,391 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:07:47,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 15:07:47,391 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:47,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:47,391 INFO L85 PathProgramCache]: Analyzing trace with hash 257592653, now seen corresponding path program 1 times [2021-12-17 15:07:47,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:47,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189634938] [2021-12-17 15:07:47,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:47,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:47,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-17 15:07:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:47,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:07:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:47,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-17 15:07:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:47,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:47,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:47,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189634938] [2021-12-17 15:07:47,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189634938] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:47,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:47,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:07:47,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196413879] [2021-12-17 15:07:47,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:47,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:07:47,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:47,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:07:47,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:07:47,434 INFO L87 Difference]: Start difference. First operand 338 states and 416 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:07:47,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:47,669 INFO L93 Difference]: Finished difference Result 1044 states and 1333 transitions. [2021-12-17 15:07:47,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-17 15:07:47,670 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2021-12-17 15:07:47,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:47,673 INFO L225 Difference]: With dead ends: 1044 [2021-12-17 15:07:47,673 INFO L226 Difference]: Without dead ends: 714 [2021-12-17 15:07:47,674 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-12-17 15:07:47,674 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 314 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:47,675 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [317 Valid, 283 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:07:47,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2021-12-17 15:07:47,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 712. [2021-12-17 15:07:47,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 539 states have (on average 1.2133580705009277) internal successors, (654), 574 states have internal predecessors, (654), 88 states have call successors, (88), 84 states have call predecessors, (88), 84 states have return successors, (136), 86 states have call predecessors, (136), 88 states have call successors, (136) [2021-12-17 15:07:47,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 878 transitions. [2021-12-17 15:07:47,727 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 878 transitions. Word has length 49 [2021-12-17 15:07:47,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:47,727 INFO L470 AbstractCegarLoop]: Abstraction has 712 states and 878 transitions. [2021-12-17 15:07:47,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-17 15:07:47,728 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 878 transitions. [2021-12-17 15:07:47,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-17 15:07:47,728 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:47,729 INFO L514 BasicCegarLoop]: 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] [2021-12-17 15:07:47,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 15:07:47,729 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:47,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:47,729 INFO L85 PathProgramCache]: Analyzing trace with hash -715401485, now seen corresponding path program 1 times [2021-12-17 15:07:47,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:47,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420425410] [2021-12-17 15:07:47,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:47,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:47,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:07:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:47,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:07:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:47,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-17 15:07:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:47,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-17 15:07:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:47,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:47,772 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:47,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420425410] [2021-12-17 15:07:47,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420425410] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:47,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 15:07:47,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 15:07:47,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299367001] [2021-12-17 15:07:47,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:47,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:07:47,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:47,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:07:47,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 15:07:47,774 INFO L87 Difference]: Start difference. First operand 712 states and 878 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-17 15:07:48,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:48,089 INFO L93 Difference]: Finished difference Result 1266 states and 1625 transitions. [2021-12-17 15:07:48,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-17 15:07:48,091 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 53 [2021-12-17 15:07:48,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:48,097 INFO L225 Difference]: With dead ends: 1266 [2021-12-17 15:07:48,097 INFO L226 Difference]: Without dead ends: 1264 [2021-12-17 15:07:48,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-12-17 15:07:48,099 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 420 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:48,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [422 Valid, 216 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 15:07:48,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1264 states. [2021-12-17 15:07:48,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1264 to 976. [2021-12-17 15:07:48,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 976 states, 740 states have (on average 1.2175675675675677) internal successors, (901), 795 states have internal predecessors, (901), 120 states have call successors, (120), 98 states have call predecessors, (120), 115 states have return successors, (231), 119 states have call predecessors, (231), 120 states have call successors, (231) [2021-12-17 15:07:48,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1252 transitions. [2021-12-17 15:07:48,144 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1252 transitions. Word has length 53 [2021-12-17 15:07:48,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:48,144 INFO L470 AbstractCegarLoop]: Abstraction has 976 states and 1252 transitions. [2021-12-17 15:07:48,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-17 15:07:48,144 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1252 transitions. [2021-12-17 15:07:48,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-12-17 15:07:48,146 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:48,146 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:48,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-17 15:07:48,146 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:48,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:48,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1895528892, now seen corresponding path program 1 times [2021-12-17 15:07:48,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:48,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280159961] [2021-12-17 15:07:48,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:48,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:48,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:07:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:48,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:07:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:48,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:07:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:48,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-17 15:07:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:48,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-17 15:07:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:48,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-17 15:07:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:48,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-17 15:07:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:48,277 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-17 15:07:48,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:48,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280159961] [2021-12-17 15:07:48,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280159961] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:07:48,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407020393] [2021-12-17 15:07:48,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:48,278 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:07:48,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:07:48,280 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 15:07:48,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 15:07:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:48,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-17 15:07:48,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:07:48,560 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:48,561 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 15:07:48,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407020393] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:48,561 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 15:07:48,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 10 [2021-12-17 15:07:48,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303759495] [2021-12-17 15:07:48,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:48,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 15:07:48,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:48,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 15:07:48,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-17 15:07:48,563 INFO L87 Difference]: Start difference. First operand 976 states and 1252 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-12-17 15:07:48,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:48,599 INFO L93 Difference]: Finished difference Result 1680 states and 2193 transitions. [2021-12-17 15:07:48,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 15:07:48,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 92 [2021-12-17 15:07:48,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:48,603 INFO L225 Difference]: With dead ends: 1680 [2021-12-17 15:07:48,603 INFO L226 Difference]: Without dead ends: 876 [2021-12-17 15:07:48,606 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-17 15:07:48,606 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 42 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:48,607 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 209 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:48,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2021-12-17 15:07:48,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 876. [2021-12-17 15:07:48,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 664 states have (on average 1.1957831325301205) internal successors, (794), 714 states have internal predecessors, (794), 107 states have call successors, (107), 93 states have call predecessors, (107), 104 states have return successors, (156), 105 states have call predecessors, (156), 107 states have call successors, (156) [2021-12-17 15:07:48,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1057 transitions. [2021-12-17 15:07:48,637 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1057 transitions. Word has length 92 [2021-12-17 15:07:48,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:48,637 INFO L470 AbstractCegarLoop]: Abstraction has 876 states and 1057 transitions. [2021-12-17 15:07:48,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-12-17 15:07:48,638 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1057 transitions. [2021-12-17 15:07:48,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-17 15:07:48,643 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:48,644 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:48,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-17 15:07:48,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-17 15:07:48,860 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:48,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:48,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1739782447, now seen corresponding path program 1 times [2021-12-17 15:07:48,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:48,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159882128] [2021-12-17 15:07:48,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:48,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:48,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:07:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:48,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:07:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:48,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:07:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:48,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-17 15:07:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:48,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-17 15:07:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:48,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-17 15:07:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:48,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:07:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:48,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-17 15:07:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:48,964 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-17 15:07:48,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:48,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159882128] [2021-12-17 15:07:48,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159882128] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:07:48,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879019439] [2021-12-17 15:07:48,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:48,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:07:48,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:07:48,966 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 15:07:48,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-17 15:07:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:49,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-17 15:07:49,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:07:49,189 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-17 15:07:49,190 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 15:07:49,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879019439] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:49,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 15:07:49,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2021-12-17 15:07:49,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287327151] [2021-12-17 15:07:49,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:49,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 15:07:49,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:49,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 15:07:49,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-12-17 15:07:49,192 INFO L87 Difference]: Start difference. First operand 876 states and 1057 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-17 15:07:49,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:49,242 INFO L93 Difference]: Finished difference Result 1638 states and 2014 transitions. [2021-12-17 15:07:49,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 15:07:49,242 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 95 [2021-12-17 15:07:49,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:49,246 INFO L225 Difference]: With dead ends: 1638 [2021-12-17 15:07:49,246 INFO L226 Difference]: Without dead ends: 934 [2021-12-17 15:07:49,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2021-12-17 15:07:49,248 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 33 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:49,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 404 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:49,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2021-12-17 15:07:49,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 888. [2021-12-17 15:07:49,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 888 states, 676 states have (on average 1.1923076923076923) internal successors, (806), 726 states have internal predecessors, (806), 107 states have call successors, (107), 93 states have call predecessors, (107), 104 states have return successors, (156), 105 states have call predecessors, (156), 107 states have call successors, (156) [2021-12-17 15:07:49,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1069 transitions. [2021-12-17 15:07:49,282 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1069 transitions. Word has length 95 [2021-12-17 15:07:49,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:49,283 INFO L470 AbstractCegarLoop]: Abstraction has 888 states and 1069 transitions. [2021-12-17 15:07:49,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-17 15:07:49,283 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1069 transitions. [2021-12-17 15:07:49,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-17 15:07:49,284 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 15:07:49,284 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:49,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-17 15:07:49,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-17 15:07:49,495 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 15:07:49,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 15:07:49,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1873795953, now seen corresponding path program 1 times [2021-12-17 15:07:49,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 15:07:49,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213294413] [2021-12-17 15:07:49,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:49,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 15:07:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:49,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-17 15:07:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:49,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-17 15:07:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:49,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-17 15:07:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:49,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-17 15:07:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:49,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-17 15:07:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:49,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-17 15:07:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:49,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-17 15:07:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:49,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-17 15:07:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:49,615 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-17 15:07:49,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 15:07:49,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213294413] [2021-12-17 15:07:49,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213294413] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 15:07:49,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52259954] [2021-12-17 15:07:49,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 15:07:49,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:07:49,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 15:07:49,619 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 15:07:49,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-17 15:07:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 15:07:49,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-17 15:07:49,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 15:07:49,825 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 15:07:49,826 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 15:07:49,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52259954] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 15:07:49,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 15:07:49,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10 [2021-12-17 15:07:49,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367784054] [2021-12-17 15:07:49,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 15:07:49,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 15:07:49,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 15:07:49,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 15:07:49,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-17 15:07:49,829 INFO L87 Difference]: Start difference. First operand 888 states and 1069 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-12-17 15:07:49,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 15:07:49,937 INFO L93 Difference]: Finished difference Result 1478 states and 1798 transitions. [2021-12-17 15:07:49,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 15:07:49,938 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 95 [2021-12-17 15:07:49,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 15:07:49,939 INFO L225 Difference]: With dead ends: 1478 [2021-12-17 15:07:49,939 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 15:07:49,941 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 107 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-12-17 15:07:49,942 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 150 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 15:07:49,942 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 492 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 15:07:49,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 15:07:49,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 15:07:49,943 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) [2021-12-17 15:07:49,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 15:07:49,943 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 95 [2021-12-17 15:07:49,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 15:07:49,944 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 15:07:49,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-12-17 15:07:49,944 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 15:07:49,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 15:07:49,946 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 15:07:49,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-17 15:07:50,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 15:07:50,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 15:07:53,376 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 229 236) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))) [2021-12-17 15:07:53,376 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 229 236) no Hoare annotation was computed. [2021-12-17 15:07:53,376 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 229 236) no Hoare annotation was computed. [2021-12-17 15:07:53,376 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 162 168) no Hoare annotation was computed. [2021-12-17 15:07:53,376 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 162 168) the Hoare annotation is: true [2021-12-17 15:07:53,376 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 558 569) no Hoare annotation was computed. [2021-12-17 15:07:53,376 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 558 569) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|))) (and (or (not (= ~pumpRunning~0 0)) .cse0 (not (<= 1 ~waterLevel~0)) (not (= ~methAndRunningLastTime~0 0))) (or (= 0 ~systemActive~0) .cse0 (not (<= 1 ~pumpRunning~0)) (not (<= 2 ~waterLevel~0))))) [2021-12-17 15:07:53,376 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 558 569) no Hoare annotation was computed. [2021-12-17 15:07:53,376 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 570 578) the Hoare annotation is: true [2021-12-17 15:07:53,376 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 570 578) no Hoare annotation was computed. [2021-12-17 15:07:53,377 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 570 578) no Hoare annotation was computed. [2021-12-17 15:07:53,377 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 356 385) no Hoare annotation was computed. [2021-12-17 15:07:53,377 INFO L861 garLoopResultBuilder]: At program point L381(lines 356 385) the Hoare annotation is: true [2021-12-17 15:07:53,377 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 356 385) the Hoare annotation is: true [2021-12-17 15:07:53,377 INFO L858 garLoopResultBuilder]: For program point L377(line 377) no Hoare annotation was computed. [2021-12-17 15:07:53,377 INFO L858 garLoopResultBuilder]: For program point L370(lines 370 374) no Hoare annotation was computed. [2021-12-17 15:07:53,377 INFO L861 garLoopResultBuilder]: At program point L370-1(lines 370 374) the Hoare annotation is: true [2021-12-17 15:07:53,377 INFO L858 garLoopResultBuilder]: For program point L367(line 367) no Hoare annotation was computed. [2021-12-17 15:07:53,377 INFO L861 garLoopResultBuilder]: At program point L366-2(lines 366 380) the Hoare annotation is: true [2021-12-17 15:07:53,377 INFO L861 garLoopResultBuilder]: At program point L362(line 362) the Hoare annotation is: true [2021-12-17 15:07:53,377 INFO L858 garLoopResultBuilder]: For program point L362-1(line 362) no Hoare annotation was computed. [2021-12-17 15:07:53,377 INFO L854 garLoopResultBuilder]: At program point L630(lines 625 633) the Hoare annotation is: (let ((.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (= 0 ~systemActive~0)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 0))) (or .cse2 .cse3 (and (<= 0 |timeShift_isLowWaterSensorDry_#res#1|) (<= |timeShift_isLowWaterSensorDry_#res#1| 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0)) .cse4) (or .cse2 .cse3 (= ~methAndRunningLastTime~0 0) .cse4 .cse5) (or .cse0 .cse1 .cse5))) [2021-12-17 15:07:53,377 INFO L854 garLoopResultBuilder]: At program point L1006(lines 1001 1008) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 0))) (or (not (<= 2 |old(~waterLevel~0)|)) (= 0 ~systemActive~0) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2021-12-17 15:07:53,378 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 138 161) no Hoare annotation was computed. [2021-12-17 15:07:53,378 INFO L858 garLoopResultBuilder]: For program point L321(lines 321 325) no Hoare annotation was computed. [2021-12-17 15:07:53,378 INFO L858 garLoopResultBuilder]: For program point L321-2(lines 321 325) no Hoare annotation was computed. [2021-12-17 15:07:53,378 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-12-17 15:07:53,378 INFO L858 garLoopResultBuilder]: For program point L474(lines 474 491) no Hoare annotation was computed. [2021-12-17 15:07:53,378 INFO L854 garLoopResultBuilder]: At program point L474-1(lines 466 494) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0))) (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse6 (not .cse5)) (.cse7 (= ~pumpRunning~0 0)) (.cse11 (not (<= 2 |old(~waterLevel~0)|))) (.cse12 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse9 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 0)) (.cse4 (not (= ~systemActive~0 0)))) (and (or (and .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse2 .cse3 .cse4) (or .cse5 (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) (and .cse0 .cse1 .cse6 .cse7) .cse2 .cse3 .cse8) (or (and .cse1 .cse9) .cse2 .cse10 .cse3 .cse8) (or .cse11 .cse5 (and (<= |timeShift_isLowWaterLevel_~tmp~4#1| 0) (<= 0 |timeShift_isLowWaterSensorDry_#res#1|) (<= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse1 (<= 1 ~waterLevel~0) .cse6 (< 0 (+ |timeShift_isLowWaterLevel_~tmp~4#1| 1)) .cse7) .cse12) (or .cse11 .cse5 .cse10 .cse9 .cse12) (or .cse2 .cse10 .cse3 .cse9 .cse4)))) [2021-12-17 15:07:53,378 INFO L854 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 0))) (or (not (<= 2 |old(~waterLevel~0)|)) (= 0 ~systemActive~0) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2021-12-17 15:07:53,378 INFO L854 garLoopResultBuilder]: At program point L206(line 206) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 |old(~waterLevel~0)|)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) (= 0 ~systemActive~0) (and (<= |timeShift_isLowWaterLevel_~tmp~4#1| 0) (<= 0 |timeShift_isLowWaterSensorDry_#res#1|) (<= |timeShift_isLowWaterSensorDry_#res#1| 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0) (< 0 (+ |timeShift_isLowWaterLevel_~tmp~4#1| 1))) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= ~systemActive~0 0))) (or .cse0 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2021-12-17 15:07:53,378 INFO L858 garLoopResultBuilder]: For program point L479(lines 479 485) no Hoare annotation was computed. [2021-12-17 15:07:53,378 INFO L854 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 0))) (or (not (<= 2 |old(~waterLevel~0)|)) (= 0 ~systemActive~0) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~methAndRunningLastTime~0 0) (= ~pumpRunning~0 0)) .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2021-12-17 15:07:53,378 INFO L854 garLoopResultBuilder]: At program point L215-1(lines 196 220) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse0 .cse3 (not (= ~systemActive~0 0))) (or (not (<= 2 |old(~waterLevel~0)|)) (= 0 ~systemActive~0) (and (<= |timeShift_isLowWaterLevel_~tmp~4#1| 0) (<= 0 |timeShift_isLowWaterSensorDry_#res#1|) (<= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 ~waterLevel~0) (< 0 (+ |timeShift_isLowWaterLevel_~tmp~4#1| 1)) .cse4) (not (<= 1 |old(~pumpRunning~0)|))) (let ((.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse5 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1) (and .cse5 .cse4) .cse0 .cse3 .cse2)))) [2021-12-17 15:07:53,378 INFO L858 garLoopResultBuilder]: For program point L149-1(lines 149 155) no Hoare annotation was computed. [2021-12-17 15:07:53,379 INFO L854 garLoopResultBuilder]: At program point L327(lines 312 330) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 0))) (or (not (<= 2 |old(~waterLevel~0)|)) (= 0 ~systemActive~0) (and (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|) (<= |timeShift_isLowWaterLevel_~tmp~4#1| 0) (<= 0 |timeShift_isLowWaterSensorDry_#res#1|) (<= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0) (< 0 (+ |timeShift_isLowWaterLevel_~tmp~4#1| 1))) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2021-12-17 15:07:53,379 INFO L854 garLoopResultBuilder]: At program point L253(lines 248 256) the Hoare annotation is: (let ((.cse10 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse11 (= ~pumpRunning~0 0))) (let ((.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (and .cse10 .cse3 .cse11)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse7 (not (= ~systemActive~0 0))) (.cse8 (not (<= 2 |old(~waterLevel~0)|))) (.cse9 (= 0 ~systemActive~0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse12 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or (and .cse3 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1) .cse4 .cse0 .cse5 .cse2) (or .cse0 .cse6 .cse5 .cse7) (or .cse0 .cse6 .cse5 .cse2) (or .cse4 .cse0 .cse5 .cse7) (or .cse8 .cse9 (and (<= |timeShift_isLowWaterLevel_~tmp~4#1| 0) (<= 0 |timeShift_isLowWaterSensorDry_#res#1|) .cse10 (<= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 ~waterLevel~0) (< 0 (+ |timeShift_isLowWaterLevel_~tmp~4#1| 1)) .cse11) .cse12) (or .cse8 .cse9 .cse6 .cse12)))) [2021-12-17 15:07:53,379 INFO L858 garLoopResultBuilder]: For program point L538(lines 538 542) no Hoare annotation was computed. [2021-12-17 15:07:53,379 INFO L854 garLoopResultBuilder]: At program point L538-2(lines 534 545) the Hoare annotation is: (let ((.cse0 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 1 |old(~waterLevel~0)|))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0)) .cse2) (or .cse3 .cse4 (not (= ~systemActive~0 0))) (or .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse5) (or .cse3 .cse4 .cse5))) [2021-12-17 15:07:53,379 INFO L854 garLoopResultBuilder]: At program point L472(line 472) the Hoare annotation is: (let ((.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (= ~pumpRunning~0 0))) (let ((.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (and .cse7 .cse6)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3) (or .cse5 (= 0 ~systemActive~0) (and (<= |timeShift_isLowWaterLevel_~tmp~4#1| 0) (<= 0 |timeShift_isLowWaterSensorDry_#res#1|) (<= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 ~waterLevel~0) (< 0 (+ |timeShift_isLowWaterLevel_~tmp~4#1| 1)) .cse6) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse4 .cse1 (not (<= 1 |old(~waterLevel~0)|)) (not (= ~systemActive~0 0))) (or .cse5 .cse4 .cse1 (and .cse7 (<= 1 ~pumpRunning~0) .cse2) .cse3)))) [2021-12-17 15:07:53,379 INFO L858 garLoopResultBuilder]: For program point L472-1(line 472) no Hoare annotation was computed. [2021-12-17 15:07:53,379 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 138 161) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse3 .cse4 (and .cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse6) (or (and .cse5 .cse7) .cse0 .cse8 (not (= ~systemActive~0 0))) (or .cse4 .cse0 (and .cse5 .cse1 .cse7) .cse8 .cse2) (or .cse3 .cse4 .cse1 .cse6 .cse2))) [2021-12-17 15:07:53,379 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 141 160) no Hoare annotation was computed. [2021-12-17 15:07:53,379 INFO L858 garLoopResultBuilder]: For program point L1005(line 1005) no Hoare annotation was computed. [2021-12-17 15:07:53,380 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 212) no Hoare annotation was computed. [2021-12-17 15:07:53,380 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 138 161) no Hoare annotation was computed. [2021-12-17 15:07:53,380 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2021-12-17 15:07:53,380 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 217) no Hoare annotation was computed. [2021-12-17 15:07:53,380 INFO L854 garLoopResultBuilder]: At program point L337(line 337) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_main_~tmp~5#1|) (= 1 |ULTIMATE.start_valid_product_#res#1|) (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2021-12-17 15:07:53,380 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 15:07:53,380 INFO L854 garLoopResultBuilder]: At program point L511(lines 507 513) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~methAndRunningLastTime~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:07:53,380 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 15:07:53,380 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 15:07:53,380 INFO L861 garLoopResultBuilder]: At program point L119(lines 56 123) the Hoare annotation is: true [2021-12-17 15:07:53,380 INFO L858 garLoopResultBuilder]: For program point L86(lines 86 92) no Hoare annotation was computed. [2021-12-17 15:07:53,380 INFO L858 garLoopResultBuilder]: For program point L86-1(lines 86 92) no Hoare annotation was computed. [2021-12-17 15:07:53,380 INFO L854 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~5#1|)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and .cse0 .cse1 .cse2 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))))) [2021-12-17 15:07:53,381 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 15:07:53,381 INFO L854 garLoopResultBuilder]: At program point L351(lines 346 353) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~5#1|)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse3) (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 0) (<= 1 ~waterLevel~0) .cse3 (= ~pumpRunning~0 0)))) [2021-12-17 15:07:53,381 INFO L858 garLoopResultBuilder]: For program point L442(lines 442 449) no Hoare annotation was computed. [2021-12-17 15:07:53,381 INFO L858 garLoopResultBuilder]: For program point L442-2(lines 442 449) no Hoare annotation was computed. [2021-12-17 15:07:53,381 INFO L854 garLoopResultBuilder]: At program point L343(lines 331 345) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 1 |ULTIMATE.start_main_~tmp~5#1|) (= ~systemActive~0 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2021-12-17 15:07:53,381 INFO L854 garLoopResultBuilder]: At program point L116(lines 65 117) the Hoare annotation is: false [2021-12-17 15:07:53,381 INFO L854 garLoopResultBuilder]: At program point L463(lines 458 465) the Hoare annotation is: (and (= 1 |ULTIMATE.start_main_~tmp~5#1|) (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~methAndRunningLastTime~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:07:53,381 INFO L858 garLoopResultBuilder]: For program point L335(lines 335 341) no Hoare annotation was computed. [2021-12-17 15:07:53,381 INFO L858 garLoopResultBuilder]: For program point L335-1(lines 335 341) no Hoare annotation was computed. [2021-12-17 15:07:53,381 INFO L861 garLoopResultBuilder]: At program point L426(lines 418 428) the Hoare annotation is: true [2021-12-17 15:07:53,381 INFO L858 garLoopResultBuilder]: For program point L104(lines 104 110) no Hoare annotation was computed. [2021-12-17 15:07:53,381 INFO L854 garLoopResultBuilder]: At program point L104-2(lines 96 111) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~5#1|)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 0) .cse3 .cse4) (and .cse0 .cse1 .cse2 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))) (and .cse0 .cse1 (= ~systemActive~0 0) .cse2 .cse3 .cse4))) [2021-12-17 15:07:53,381 INFO L858 garLoopResultBuilder]: For program point L67(lines 66 115) no Hoare annotation was computed. [2021-12-17 15:07:53,382 INFO L861 garLoopResultBuilder]: At program point L451(lines 432 454) the Hoare annotation is: true [2021-12-17 15:07:53,382 INFO L858 garLoopResultBuilder]: For program point L96(lines 96 111) no Hoare annotation was computed. [2021-12-17 15:07:53,382 INFO L854 garLoopResultBuilder]: At program point L414(lines 410 416) the Hoare annotation is: (and (= 1 |ULTIMATE.start_main_~tmp~5#1|) (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~methAndRunningLastTime~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:07:53,382 INFO L854 garLoopResultBuilder]: At program point L88(line 88) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~5#1|)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and .cse0 .cse1 .cse2 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))))) [2021-12-17 15:07:53,382 INFO L854 garLoopResultBuilder]: At program point L113(lines 66 115) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (= 1 |ULTIMATE.start_main_~tmp~5#1|)) (.cse2 (= 1 |ULTIMATE.start_valid_product_#res#1|))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and .cse0 .cse1 .cse2 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))))) [2021-12-17 15:07:53,382 INFO L854 garLoopResultBuilder]: At program point L526(lines 521 529) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= 1 |ULTIMATE.start_valid_product_#res#1|) (= ~methAndRunningLastTime~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:07:53,382 INFO L858 garLoopResultBuilder]: For program point L76(lines 76 82) no Hoare annotation was computed. [2021-12-17 15:07:53,382 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2021-12-17 15:07:53,382 INFO L854 garLoopResultBuilder]: At program point L518(lines 514 520) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (= ~methAndRunningLastTime~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-12-17 15:07:53,382 INFO L858 garLoopResultBuilder]: For program point L68(lines 68 72) no Hoare annotation was computed. [2021-12-17 15:07:53,382 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 170 194) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0)) .cse3))) [2021-12-17 15:07:53,382 INFO L854 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0)) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and (= ~pumpRunning~0 0) .cse1) .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2021-12-17 15:07:53,383 INFO L854 garLoopResultBuilder]: At program point L308(lines 293 311) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse2 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) .cse5)) (.cse1 (and (<= 2 ~waterLevel~0) .cse5)) (.cse0 (= 0 ~systemActive~0)) (.cse3 (not (<= 1 ~waterLevel~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse1 .cse0 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0)))))) [2021-12-17 15:07:53,383 INFO L858 garLoopResultBuilder]: For program point L178(lines 178 186) no Hoare annotation was computed. [2021-12-17 15:07:53,383 INFO L858 garLoopResultBuilder]: For program point L174(lines 174 191) no Hoare annotation was computed. [2021-12-17 15:07:53,383 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2021-12-17 15:07:53,383 INFO L854 garLoopResultBuilder]: At program point L620(lines 611 624) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse1 (and (<= 2 ~waterLevel~0) .cse5)) (.cse0 (= 0 ~systemActive~0)) (.cse2 (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse5)) (.cse3 (not (<= 1 ~waterLevel~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0))) (or .cse1 .cse0 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0)))))) [2021-12-17 15:07:53,383 INFO L858 garLoopResultBuilder]: For program point L302-2(lines 302 306) no Hoare annotation was computed. [2021-12-17 15:07:53,383 INFO L854 garLoopResultBuilder]: At program point L226(lines 221 228) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2021-12-17 15:07:53,383 INFO L854 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2021-12-17 15:07:53,383 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 170 194) no Hoare annotation was computed. [2021-12-17 15:07:53,383 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 170 194) no Hoare annotation was computed. [2021-12-17 15:07:53,383 INFO L858 garLoopResultBuilder]: For program point L615(lines 615 621) no Hoare annotation was computed. [2021-12-17 15:07:53,383 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 546 557) no Hoare annotation was computed. [2021-12-17 15:07:53,383 INFO L858 garLoopResultBuilder]: For program point L550-1(lines 546 557) no Hoare annotation was computed. [2021-12-17 15:07:53,384 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 546 557) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (not (= ~pumpRunning~0 0)) .cse0 (not (= ~methAndRunningLastTime~0 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (not (<= 2 |old(~waterLevel~0)|)) (= 0 ~systemActive~0) (not (<= 1 ~pumpRunning~0)) .cse0))) [2021-12-17 15:07:53,386 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 15:07:53,387 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 15:07:53,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:07:53 BoogieIcfgContainer [2021-12-17 15:07:53,411 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 15:07:53,412 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 15:07:53,412 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 15:07:53,412 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 15:07:53,412 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:07:45" (3/4) ... [2021-12-17 15:07:53,414 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 15:07:53,418 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-17 15:07:53,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-17 15:07:53,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-17 15:07:53,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-17 15:07:53,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-17 15:07:53,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-17 15:07:53,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-17 15:07:53,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-17 15:07:53,424 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2021-12-17 15:07:53,443 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-17 15:07:53,443 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 15:07:53,444 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 15:07:53,444 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 15:07:53,444 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:07:53,445 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 15:07:53,459 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == \result) && methAndRunningLastTime == 0) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-17 15:07:53,459 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && waterLevel == 1) && methaneLevelCritical == 0) && 1 == \result) && methAndRunningLastTime == 0) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-17 15:07:53,459 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && waterLevel == 1) && methaneLevelCritical == 0) && 1 == \result) && methAndRunningLastTime == 0) && !(0 == systemActive)) && pumpRunning == 0 [2021-12-17 15:07:53,460 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && methAndRunningLastTime == 0) && 1 <= waterLevel) && pumpRunning == 0) || (((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && !(0 == systemActive)) [2021-12-17 15:07:53,460 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || !(1 <= \old(pumpRunning))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(systemActive == 0))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || methAndRunningLastTime == 0) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(\old(methAndRunningLastTime) == 0)) [2021-12-17 15:07:53,460 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || methAndRunningLastTime == 0) || !(\old(methAndRunningLastTime) == 0)) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(systemActive == 0))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || (((((tmp <= 0 && 0 <= \result) && \result <= 0) && 1 <= waterLevel) && 0 < tmp + 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) || !(\old(methAndRunningLastTime) == 0)) [2021-12-17 15:07:53,461 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && methAndRunningLastTime == 0) && 1 <= waterLevel) && !(0 == systemActive)) && pumpRunning == 0) [2021-12-17 15:07:53,461 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) || !(systemActive == 0)) && (((((0 == systemActive || ((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel)) || (((waterLevel == \old(waterLevel) && methAndRunningLastTime == 0) && !(0 == systemActive)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) || !(\old(methAndRunningLastTime) == 0))) && (((((methAndRunningLastTime == 0 && tmp == 0) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(1 <= \old(waterLevel))) || !(\old(methAndRunningLastTime) == 0))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || (((((((tmp <= 0 && 0 <= \result) && \result <= 0) && methAndRunningLastTime == 0) && 1 <= waterLevel) && !(0 == systemActive)) && 0 < tmp + 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(methaneLevelCritical == 0)) || tmp == 0) || !(1 <= \old(pumpRunning)))) && ((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(1 <= \old(waterLevel))) || tmp == 0) || !(systemActive == 0)) [2021-12-17 15:07:53,461 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && 1 == tmp) && systemActive == 0) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0 [2021-12-17 15:07:53,461 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || methAndRunningLastTime == 0) || !(\old(methAndRunningLastTime) == 0)) && (((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0) || ((\result == 0 && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) || !(\old(methAndRunningLastTime) == 0))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(1 <= \old(waterLevel))) || !(systemActive == 0))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(1 <= \old(waterLevel))) || !(\old(methAndRunningLastTime) == 0))) && (((((\result == 0 && waterLevel == \old(waterLevel)) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) || !(systemActive == 0))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || ((((((tmp <= 0 && 0 <= \result) && \result == 0) && \result <= 0) && 1 <= waterLevel) && 0 < tmp + 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) [2021-12-17 15:07:53,461 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(systemActive == 0)) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || (((0 <= \result && \result <= 0) && pumpRunning == \old(pumpRunning)) && 1 <= waterLevel)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || methAndRunningLastTime == 0) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(\old(methAndRunningLastTime) == 0)) [2021-12-17 15:07:53,461 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive || (2 <= waterLevel && pumpRunning == 0)) || (1 <= \result && pumpRunning == 0)) || !(1 <= waterLevel)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) && ((((((2 <= waterLevel && pumpRunning == 0) || 0 == systemActive) || (1 <= \result && pumpRunning == 0)) || !(1 <= waterLevel)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) [2021-12-17 15:07:53,462 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(systemActive == 0)) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || (((((((1 <= tmp___0 && tmp <= 0) && 0 <= \result) && \result <= 0) && 1 <= \result) && pumpRunning == \old(pumpRunning)) && 1 <= waterLevel) && 0 < tmp + 1)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(\old(methAndRunningLastTime) == 0)) [2021-12-17 15:07:53,462 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(systemActive == 0)) && ((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(\old(methAndRunningLastTime) == 0)) [2021-12-17 15:07:53,462 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == systemActive || (2 <= waterLevel && pumpRunning == 0)) || ((\result == 0 && tmp___0 == 0) && pumpRunning == 0)) || !(1 <= waterLevel)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) && (((((((\result == 0 && tmp___0 == 0) && pumpRunning == 0) || (2 <= waterLevel && pumpRunning == 0)) || 0 == systemActive) || !(1 <= waterLevel)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) [2021-12-17 15:07:53,462 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 <= waterLevel)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && ((((0 == systemActive || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 <= waterLevel)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) [2021-12-17 15:07:53,477 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 15:07:53,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 15:07:53,477 INFO L158 Benchmark]: Toolchain (without parser) took 8902.51ms. Allocated memory was 144.7MB in the beginning and 281.0MB in the end (delta: 136.3MB). Free memory was 113.5MB in the beginning and 221.2MB in the end (delta: -107.7MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2021-12-17 15:07:53,477 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 79.7MB. Free memory is still 37.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 15:07:53,477 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.22ms. Allocated memory is still 144.7MB. Free memory was 113.1MB in the beginning and 110.2MB in the end (delta: 2.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-17 15:07:53,478 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.21ms. Allocated memory is still 144.7MB. Free memory was 110.2MB in the beginning and 107.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:07:53,478 INFO L158 Benchmark]: Boogie Preprocessor took 17.60ms. Allocated memory is still 144.7MB. Free memory was 107.7MB in the beginning and 106.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 15:07:53,478 INFO L158 Benchmark]: RCFGBuilder took 446.09ms. Allocated memory is still 144.7MB. Free memory was 106.0MB in the beginning and 89.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-17 15:07:53,478 INFO L158 Benchmark]: TraceAbstraction took 7957.76ms. Allocated memory was 144.7MB in the beginning and 281.0MB in the end (delta: 136.3MB). Free memory was 88.8MB in the beginning and 228.5MB in the end (delta: -139.7MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. [2021-12-17 15:07:53,478 INFO L158 Benchmark]: Witness Printer took 65.07ms. Allocated memory is still 281.0MB. Free memory was 228.5MB in the beginning and 221.2MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 15:07:53,479 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 79.7MB. Free memory is still 37.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.22ms. Allocated memory is still 144.7MB. Free memory was 113.1MB in the beginning and 110.2MB in the end (delta: 2.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.21ms. Allocated memory is still 144.7MB. Free memory was 110.2MB in the beginning and 107.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.60ms. Allocated memory is still 144.7MB. Free memory was 107.7MB in the beginning and 106.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 446.09ms. Allocated memory is still 144.7MB. Free memory was 106.0MB in the beginning and 89.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7957.76ms. Allocated memory was 144.7MB in the beginning and 281.0MB in the end (delta: 136.3MB). Free memory was 88.8MB in the beginning and 228.5MB in the end (delta: -139.7MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. * Witness Printer took 65.07ms. Allocated memory is still 281.0MB. Free memory was 228.5MB in the beginning and 221.2MB in the end (delta: 7.3MB). 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: 1005]: 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 9 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 13, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1746 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1724 mSDsluCounter, 3681 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2218 mSDsCounter, 529 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1435 IncrementalHoareTripleChecker+Invalid, 1964 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 529 mSolverCounterUnsat, 1463 mSDtfsCounter, 1435 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 499 GetRequests, 395 SyntacticMatches, 4 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=976occurred in iteration=10, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 384 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 2044 PreInvPairs, 2291 NumberOfFragments, 1781 HoareAnnotationTreeSize, 2044 FomulaSimplifications, 537 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 44 FomulaSimplificationsInter, 19824 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 970 NumberOfCodeBlocks, 970 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 954 ConstructedInterpolants, 0 QuantifiedInterpolants, 1601 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1421 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 176/184 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: 346]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && methAndRunningLastTime == 0) && 1 <= waterLevel) && !(0 == systemActive)) && pumpRunning == 0) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(systemActive == 0)) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || (((((((1 <= tmp___0 && tmp <= 0) && 0 <= \result) && \result <= 0) && 1 <= \result) && pumpRunning == \old(pumpRunning)) && 1 <= waterLevel) && 0 < tmp + 1)) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(\old(methAndRunningLastTime) == 0)) - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: (((((0 == systemActive || (2 <= waterLevel && pumpRunning == 0)) || (1 <= \result && pumpRunning == 0)) || !(1 <= waterLevel)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) && ((((((2 <= waterLevel && pumpRunning == 0) || 0 == systemActive) || (1 <= \result && pumpRunning == 0)) || !(1 <= waterLevel)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: (((((1 == tmp && waterLevel == 1) && methaneLevelCritical == 0) && 1 == \result) && methAndRunningLastTime == 0) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: (((((((((waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning)) && methAndRunningLastTime == 0) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) || !(systemActive == 0)) && (((((0 == systemActive || ((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel)) || (((waterLevel == \old(waterLevel) && methAndRunningLastTime == 0) && !(0 == systemActive)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) || !(\old(methAndRunningLastTime) == 0))) && (((((methAndRunningLastTime == 0 && tmp == 0) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || !(1 <= \old(waterLevel))) || !(\old(methAndRunningLastTime) == 0))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || (((((((tmp <= 0 && 0 <= \result) && \result <= 0) && methAndRunningLastTime == 0) && 1 <= waterLevel) && !(0 == systemActive)) && 0 < tmp + 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(methaneLevelCritical == 0)) || tmp == 0) || !(1 <= \old(pumpRunning)))) && ((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(1 <= \old(waterLevel))) || tmp == 0) || !(systemActive == 0)) - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: ((((0 == systemActive || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 <= waterLevel)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) && ((((0 == systemActive || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 <= waterLevel)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: (((((1 == tmp && waterLevel == 1) && methaneLevelCritical == 0) && 1 == \result) && methAndRunningLastTime == 0) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: ((((((((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || methAndRunningLastTime == 0) || !(\old(methAndRunningLastTime) == 0)) && (((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0) || ((\result == 0 && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) || !(\old(methAndRunningLastTime) == 0))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(1 <= \old(waterLevel))) || !(systemActive == 0))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(1 <= \old(waterLevel))) || !(\old(methAndRunningLastTime) == 0))) && (((((\result == 0 && waterLevel == \old(waterLevel)) && pumpRunning == 0) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) || !(systemActive == 0))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || ((((((tmp <= 0 && 0 <= \result) && \result == 0) && \result <= 0) && 1 <= waterLevel) && 0 < tmp + 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(methaneLevelCritical == 0)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (((((0 == systemActive || (2 <= waterLevel && pumpRunning == 0)) || ((\result == 0 && tmp___0 == 0) && pumpRunning == 0)) || !(1 <= waterLevel)) || !(\old(pumpRunning) == 0)) || !(methAndRunningLastTime == 0)) && (((((((\result == 0 && tmp___0 == 0) && pumpRunning == 0) || (2 <= waterLevel && pumpRunning == 0)) || 0 == systemActive) || !(1 <= waterLevel)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && methAndRunningLastTime == 0) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 0)) || methAndRunningLastTime == 0) || !(\old(methAndRunningLastTime) == 0)) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(systemActive == 0))) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || (((((tmp <= 0 && 0 <= \result) && \result <= 0) && 1 <= waterLevel) && 0 < tmp + 1) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((((waterLevel == \old(waterLevel) && 1 <= pumpRunning) && 2 <= waterLevel) && methAndRunningLastTime == 0) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(\old(pumpRunning) == 0)) || !(1 <= \old(waterLevel))) || !(\old(methAndRunningLastTime) == 0)) - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && 1 == tmp) && systemActive == 0) && 1 == \result) && 1 <= waterLevel) && pumpRunning == 0 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(systemActive == 0)) && (((!(2 <= \old(waterLevel)) || 0 == systemActive) || (((0 <= \result && \result <= 0) && pumpRunning == \old(pumpRunning)) && 1 <= waterLevel)) || !(1 <= \old(pumpRunning)))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || methAndRunningLastTime == 0) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(\old(methAndRunningLastTime) == 0)) - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((((!(2 <= \old(waterLevel)) || 0 == systemActive) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || !(1 <= \old(pumpRunning))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(systemActive == 0))) && ((((!(2 <= \old(waterLevel)) || 0 == systemActive) || methAndRunningLastTime == 0) || !(1 <= \old(pumpRunning))) || !(\old(methAndRunningLastTime) == 0))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(\old(methAndRunningLastTime) == 0)) - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == \result) && methAndRunningLastTime == 0) && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(systemActive == 0)) && ((!(2 <= \old(waterLevel)) || 0 == systemActive) || !(1 <= \old(pumpRunning)))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(\old(methAndRunningLastTime) == 0)) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && methAndRunningLastTime == 0) && 1 <= waterLevel) && pumpRunning == 0) || (((((splverifierCounter == 0 && 1 == tmp) && 1 == \result) && 1 <= pumpRunning) && 2 <= waterLevel) && !(0 == systemActive)) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-17 15:07:53,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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