./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product57.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_spec5_product57.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 aba011a2dee79947f4cca7910fc4583b21e1f3cb9acd1affa050aa7677352666 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 01:01:34,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 01:01:34,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 01:01:34,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 01:01:34,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 01:01:34,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 01:01:34,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 01:01:34,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 01:01:34,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 01:01:34,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 01:01:34,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 01:01:34,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 01:01:34,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 01:01:34,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 01:01:34,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 01:01:34,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 01:01:34,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 01:01:34,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 01:01:34,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 01:01:34,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 01:01:34,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 01:01:34,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 01:01:34,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 01:01:34,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 01:01:34,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 01:01:34,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 01:01:34,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 01:01:34,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 01:01:34,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 01:01:34,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 01:01:34,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 01:01:34,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 01:01:34,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 01:01:34,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 01:01:34,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 01:01:34,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 01:01:34,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 01:01:34,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 01:01:34,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 01:01:34,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 01:01:34,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 01:01:34,286 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 01:01:34,304 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 01:01:34,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 01:01:34,305 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 01:01:34,305 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 01:01:34,306 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 01:01:34,306 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 01:01:34,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 01:01:34,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 01:01:34,307 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 01:01:34,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 01:01:34,307 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 01:01:34,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 01:01:34,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 01:01:34,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 01:01:34,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 01:01:34,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 01:01:34,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 01:01:34,309 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 01:01:34,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 01:01:34,309 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 01:01:34,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 01:01:34,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 01:01:34,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 01:01:34,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 01:01:34,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 01:01:34,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 01:01:34,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 01:01:34,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 01:01:34,311 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 01:01:34,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 01:01:34,311 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 01:01:34,311 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 01:01:34,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 01:01:34,311 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 01:01:34,312 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aba011a2dee79947f4cca7910fc4583b21e1f3cb9acd1affa050aa7677352666 [2021-12-16 01:01:34,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 01:01:34,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 01:01:34,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 01:01:34,561 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 01:01:34,561 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 01:01:34,562 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2021-12-16 01:01:34,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56e090979/c2cff0e0977641199ad5bd3d95780af3/FLAG44eb6aea2 [2021-12-16 01:01:35,008 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 01:01:35,009 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product57.cil.c [2021-12-16 01:01:35,019 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56e090979/c2cff0e0977641199ad5bd3d95780af3/FLAG44eb6aea2 [2021-12-16 01:01:35,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56e090979/c2cff0e0977641199ad5bd3d95780af3 [2021-12-16 01:01:35,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 01:01:35,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 01:01:35,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 01:01:35,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 01:01:35,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 01:01:35,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:01:35" (1/1) ... [2021-12-16 01:01:35,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e533da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:35, skipping insertion in model container [2021-12-16 01:01:35,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 01:01:35" (1/1) ... [2021-12-16 01:01:35,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 01:01:35,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 01:01:35,589 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_spec5_product57.cil.c[1605,1618] [2021-12-16 01:01:35,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 01:01:35,766 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 01:01:35,786 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_spec5_product57.cil.c[1605,1618] [2021-12-16 01:01:35,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 01:01:35,874 INFO L208 MainTranslator]: Completed translation [2021-12-16 01:01:35,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:35 WrapperNode [2021-12-16 01:01:35,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 01:01:35,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 01:01:35,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 01:01:35,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 01:01:35,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:35" (1/1) ... [2021-12-16 01:01:35,907 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:35" (1/1) ... [2021-12-16 01:01:35,955 INFO L137 Inliner]: procedures = 58, calls = 159, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 285 [2021-12-16 01:01:35,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 01:01:35,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 01:01:35,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 01:01:35,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 01:01:35,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:35" (1/1) ... [2021-12-16 01:01:35,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:35" (1/1) ... [2021-12-16 01:01:35,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:35" (1/1) ... [2021-12-16 01:01:35,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:35" (1/1) ... [2021-12-16 01:01:35,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:35" (1/1) ... [2021-12-16 01:01:35,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:35" (1/1) ... [2021-12-16 01:01:35,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:35" (1/1) ... [2021-12-16 01:01:36,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 01:01:36,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 01:01:36,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 01:01:36,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 01:01:36,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:35" (1/1) ... [2021-12-16 01:01:36,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 01:01:36,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 01:01:36,034 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) [2021-12-16 01:01:36,037 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 [2021-12-16 01:01:36,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 01:01:36,068 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-16 01:01:36,068 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-16 01:01:36,068 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-16 01:01:36,068 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-16 01:01:36,068 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-16 01:01:36,068 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-16 01:01:36,069 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-16 01:01:36,069 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-16 01:01:36,069 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-16 01:01:36,069 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-16 01:01:36,069 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-16 01:01:36,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-16 01:01:36,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 01:01:36,070 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-16 01:01:36,070 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-16 01:01:36,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 01:01:36,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 01:01:36,155 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 01:01:36,156 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 01:01:36,396 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 01:01:36,402 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 01:01:36,402 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 01:01:36,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:01:36 BoogieIcfgContainer [2021-12-16 01:01:36,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 01:01:36,405 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 01:01:36,405 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 01:01:36,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 01:01:36,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 01:01:35" (1/3) ... [2021-12-16 01:01:36,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bafd8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:01:36, skipping insertion in model container [2021-12-16 01:01:36,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 01:01:35" (2/3) ... [2021-12-16 01:01:36,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bafd8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 01:01:36, skipping insertion in model container [2021-12-16 01:01:36,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:01:36" (3/3) ... [2021-12-16 01:01:36,411 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c [2021-12-16 01:01:36,414 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 01:01:36,415 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 01:01:36,453 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 01:01:36,458 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 [2021-12-16 01:01:36,458 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 01:01:36,471 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 83 states have internal predecessors, (103), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-16 01:01:36,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-16 01:01:36,479 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:36,480 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:36,480 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:36,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:36,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1773170943, now seen corresponding path program 1 times [2021-12-16 01:01:36,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:36,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010767127] [2021-12-16 01:01:36,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:36,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:36,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 01:01:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:36,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-16 01:01:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:36,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:36,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:36,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010767127] [2021-12-16 01:01:36,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010767127] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:36,666 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:36,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 01:01:36,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803250756] [2021-12-16 01:01:36,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:36,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-16 01:01:36,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:36,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-16 01:01:36,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 01:01:36,700 INFO L87 Difference]: Start difference. First operand has 96 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 83 states have internal predecessors, (103), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 01:01:36,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:36,729 INFO L93 Difference]: Finished difference Result 183 states and 248 transitions. [2021-12-16 01:01:36,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-16 01:01:36,730 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-12-16 01:01:36,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:36,737 INFO L225 Difference]: With dead ends: 183 [2021-12-16 01:01:36,738 INFO L226 Difference]: Without dead ends: 87 [2021-12-16 01:01:36,741 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-16 01:01:36,743 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 [2021-12-16 01:01:36,744 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] [2021-12-16 01:01:36,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-12-16 01:01:36,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-12-16 01:01:36,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 68 states have (on average 1.3088235294117647) internal successors, (89), 75 states have internal predecessors, (89), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-16 01:01:36,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2021-12-16 01:01:36,778 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 112 transitions. Word has length 32 [2021-12-16 01:01:36,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:36,779 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 112 transitions. [2021-12-16 01:01:36,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 01:01:36,779 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2021-12-16 01:01:36,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-16 01:01:36,782 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:36,782 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:36,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 01:01:36,782 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:36,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:36,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1531656934, now seen corresponding path program 1 times [2021-12-16 01:01:36,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:36,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620474444] [2021-12-16 01:01:36,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:36,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:36,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 01:01:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:36,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 01:01:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:36,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:36,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:36,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620474444] [2021-12-16 01:01:36,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620474444] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:36,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:36,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 01:01:36,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132127924] [2021-12-16 01:01:36,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:36,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 01:01:36,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:36,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 01:01:36,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:36,892 INFO L87 Difference]: Start difference. First operand 87 states and 112 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 01:01:36,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:36,909 INFO L93 Difference]: Finished difference Result 139 states and 179 transitions. [2021-12-16 01:01:36,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 01:01:36,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-12-16 01:01:36,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:36,913 INFO L225 Difference]: With dead ends: 139 [2021-12-16 01:01:36,913 INFO L226 Difference]: Without dead ends: 78 [2021-12-16 01:01:36,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:36,914 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 12 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 182 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 [2021-12-16 01:01:36,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 182 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:36,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-12-16 01:01:36,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-12-16 01:01:36,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 69 states have internal predecessors, (82), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-16 01:01:36,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2021-12-16 01:01:36,924 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 33 [2021-12-16 01:01:36,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:36,924 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2021-12-16 01:01:36,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-16 01:01:36,924 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2021-12-16 01:01:36,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-16 01:01:36,926 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:36,926 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:36,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 01:01:36,926 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:36,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:36,927 INFO L85 PathProgramCache]: Analyzing trace with hash 840710854, now seen corresponding path program 1 times [2021-12-16 01:01:36,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:36,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118465267] [2021-12-16 01:01:36,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:36,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:36,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 01:01:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:36,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-16 01:01:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:36,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:36,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:36,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118465267] [2021-12-16 01:01:36,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118465267] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:36,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:36,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 01:01:36,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750293355] [2021-12-16 01:01:36,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:36,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 01:01:36,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:36,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 01:01:36,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:36,991 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:37,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:37,005 INFO L93 Difference]: Finished difference Result 148 states and 193 transitions. [2021-12-16 01:01:37,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 01:01:37,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2021-12-16 01:01:37,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:37,007 INFO L225 Difference]: With dead ends: 148 [2021-12-16 01:01:37,007 INFO L226 Difference]: Without dead ends: 78 [2021-12-16 01:01:37,008 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:37,009 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 77 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 98 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 [2021-12-16 01:01:37,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 98 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:37,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-12-16 01:01:37,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-12-16 01:01:37,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 69 states have internal predecessors, (81), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-16 01:01:37,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 99 transitions. [2021-12-16 01:01:37,019 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 99 transitions. Word has length 37 [2021-12-16 01:01:37,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:37,024 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 99 transitions. [2021-12-16 01:01:37,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:37,025 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 99 transitions. [2021-12-16 01:01:37,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-16 01:01:37,026 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:37,027 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:37,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 01:01:37,027 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:37,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:37,028 INFO L85 PathProgramCache]: Analyzing trace with hash 244336530, now seen corresponding path program 1 times [2021-12-16 01:01:37,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:37,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193784278] [2021-12-16 01:01:37,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:37,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 01:01:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 01:01:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,105 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:37,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:37,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193784278] [2021-12-16 01:01:37,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193784278] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:37,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:37,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 01:01:37,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260073352] [2021-12-16 01:01:37,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:37,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 01:01:37,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:37,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 01:01:37,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:37,110 INFO L87 Difference]: Start difference. First operand 78 states and 99 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:37,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:37,169 INFO L93 Difference]: Finished difference Result 196 states and 255 transitions. [2021-12-16 01:01:37,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 01:01:37,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2021-12-16 01:01:37,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:37,172 INFO L225 Difference]: With dead ends: 196 [2021-12-16 01:01:37,172 INFO L226 Difference]: Without dead ends: 126 [2021-12-16 01:01:37,173 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 01:01:37,174 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 59 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:37,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [59 Valid, 174 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 01:01:37,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-12-16 01:01:37,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2021-12-16 01:01:37,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 97 states have (on average 1.288659793814433) internal successors, (125), 105 states have internal predecessors, (125), 14 states have call successors, (14), 12 states have call predecessors, (14), 12 states have return successors, (18), 14 states have call predecessors, (18), 14 states have call successors, (18) [2021-12-16 01:01:37,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 157 transitions. [2021-12-16 01:01:37,189 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 157 transitions. Word has length 45 [2021-12-16 01:01:37,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:37,190 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 157 transitions. [2021-12-16 01:01:37,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 01:01:37,190 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 157 transitions. [2021-12-16 01:01:37,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-16 01:01:37,191 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:37,191 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:37,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 01:01:37,192 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:37,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:37,192 INFO L85 PathProgramCache]: Analyzing trace with hash 816783697, now seen corresponding path program 1 times [2021-12-16 01:01:37,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:37,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725431584] [2021-12-16 01:01:37,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:37,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 01:01:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-16 01:01:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-16 01:01:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-16 01:01:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 01:01:37,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:37,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725431584] [2021-12-16 01:01:37,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725431584] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:37,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:37,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 01:01:37,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874743330] [2021-12-16 01:01:37,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:37,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 01:01:37,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:37,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 01:01:37,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 01:01:37,290 INFO L87 Difference]: Start difference. First operand 124 states and 157 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-16 01:01:37,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:37,558 INFO L93 Difference]: Finished difference Result 276 states and 351 transitions. [2021-12-16 01:01:37,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-16 01:01:37,558 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 53 [2021-12-16 01:01:37,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:37,565 INFO L225 Difference]: With dead ends: 276 [2021-12-16 01:01:37,565 INFO L226 Difference]: Without dead ends: 160 [2021-12-16 01:01:37,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-12-16 01:01:37,577 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 119 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:37,577 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 464 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 01:01:37,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-12-16 01:01:37,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 146. [2021-12-16 01:01:37,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 114 states have (on average 1.263157894736842) internal successors, (144), 122 states have internal predecessors, (144), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2021-12-16 01:01:37,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 183 transitions. [2021-12-16 01:01:37,603 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 183 transitions. Word has length 53 [2021-12-16 01:01:37,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:37,603 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 183 transitions. [2021-12-16 01:01:37,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-16 01:01:37,604 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 183 transitions. [2021-12-16 01:01:37,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-16 01:01:37,605 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:37,605 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:37,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 01:01:37,605 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:37,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:37,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1305099847, now seen corresponding path program 1 times [2021-12-16 01:01:37,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:37,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711917051] [2021-12-16 01:01:37,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:37,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 01:01:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-16 01:01:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 01:01:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:37,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:37,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711917051] [2021-12-16 01:01:37,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711917051] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:37,675 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:37,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 01:01:37,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157578200] [2021-12-16 01:01:37,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:37,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 01:01:37,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:37,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 01:01:37,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 01:01:37,677 INFO L87 Difference]: Start difference. First operand 146 states and 183 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 01:01:37,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:37,806 INFO L93 Difference]: Finished difference Result 294 states and 379 transitions. [2021-12-16 01:01:37,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 01:01:37,807 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (4), 2 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 55 [2021-12-16 01:01:37,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:37,810 INFO L225 Difference]: With dead ends: 294 [2021-12-16 01:01:37,810 INFO L226 Difference]: Without dead ends: 156 [2021-12-16 01:01:37,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-16 01:01:37,813 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 69 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:37,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 373 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 01:01:37,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-12-16 01:01:37,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 149. [2021-12-16 01:01:37,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 117 states have (on average 1.2564102564102564) internal successors, (147), 125 states have internal predecessors, (147), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2021-12-16 01:01:37,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 186 transitions. [2021-12-16 01:01:37,853 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 186 transitions. Word has length 55 [2021-12-16 01:01:37,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:37,853 INFO L470 AbstractCegarLoop]: Abstraction has 149 states and 186 transitions. [2021-12-16 01:01:37,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 01:01:37,854 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 186 transitions. [2021-12-16 01:01:37,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-16 01:01:37,858 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:37,858 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:37,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 01:01:37,859 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:37,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:37,859 INFO L85 PathProgramCache]: Analyzing trace with hash -500338487, now seen corresponding path program 1 times [2021-12-16 01:01:37,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:37,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213246318] [2021-12-16 01:01:37,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:37,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 01:01:37,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-16 01:01:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 01:01:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:37,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:37,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:37,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213246318] [2021-12-16 01:01:37,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213246318] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:37,960 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:37,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 01:01:37,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052191031] [2021-12-16 01:01:37,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:37,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 01:01:37,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:37,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 01:01:37,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 01:01:37,963 INFO L87 Difference]: Start difference. First operand 149 states and 186 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-16 01:01:38,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:38,078 INFO L93 Difference]: Finished difference Result 300 states and 384 transitions. [2021-12-16 01:01:38,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 01:01:38,079 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 55 [2021-12-16 01:01:38,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:38,082 INFO L225 Difference]: With dead ends: 300 [2021-12-16 01:01:38,082 INFO L226 Difference]: Without dead ends: 159 [2021-12-16 01:01:38,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-16 01:01:38,094 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 155 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:38,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 289 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 01:01:38,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-12-16 01:01:38,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 151. [2021-12-16 01:01:38,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 119 states have (on average 1.2521008403361344) internal successors, (149), 127 states have internal predecessors, (149), 16 states have call successors, (16), 12 states have call predecessors, (16), 15 states have return successors, (23), 17 states have call predecessors, (23), 16 states have call successors, (23) [2021-12-16 01:01:38,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 188 transitions. [2021-12-16 01:01:38,107 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 188 transitions. Word has length 55 [2021-12-16 01:01:38,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:38,108 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 188 transitions. [2021-12-16 01:01:38,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-16 01:01:38,108 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 188 transitions. [2021-12-16 01:01:38,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-16 01:01:38,109 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:38,109 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:38,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 01:01:38,110 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:38,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:38,110 INFO L85 PathProgramCache]: Analyzing trace with hash -359789877, now seen corresponding path program 1 times [2021-12-16 01:01:38,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:38,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926945418] [2021-12-16 01:01:38,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:38,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 01:01:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-16 01:01:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 01:01:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:38,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:38,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926945418] [2021-12-16 01:01:38,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926945418] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:38,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:38,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 01:01:38,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028105935] [2021-12-16 01:01:38,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:38,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 01:01:38,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:38,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 01:01:38,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 01:01:38,182 INFO L87 Difference]: Start difference. First operand 151 states and 188 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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) [2021-12-16 01:01:38,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:38,372 INFO L93 Difference]: Finished difference Result 423 states and 549 transitions. [2021-12-16 01:01:38,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 01:01:38,373 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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 55 [2021-12-16 01:01:38,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:38,375 INFO L225 Difference]: With dead ends: 423 [2021-12-16 01:01:38,375 INFO L226 Difference]: Without dead ends: 280 [2021-12-16 01:01:38,376 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-16 01:01:38,376 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 212 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:38,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 314 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 01:01:38,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2021-12-16 01:01:38,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 278. [2021-12-16 01:01:38,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 214 states have (on average 1.2242990654205608) internal successors, (262), 226 states have internal predecessors, (262), 34 states have call successors, (34), 28 states have call predecessors, (34), 29 states have return successors, (53), 34 states have call predecessors, (53), 34 states have call successors, (53) [2021-12-16 01:01:38,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 349 transitions. [2021-12-16 01:01:38,395 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 349 transitions. Word has length 55 [2021-12-16 01:01:38,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:38,395 INFO L470 AbstractCegarLoop]: Abstraction has 278 states and 349 transitions. [2021-12-16 01:01:38,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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) [2021-12-16 01:01:38,396 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 349 transitions. [2021-12-16 01:01:38,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-12-16 01:01:38,397 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:38,397 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:38,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 01:01:38,397 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:38,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:38,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1504091825, now seen corresponding path program 1 times [2021-12-16 01:01:38,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:38,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389985988] [2021-12-16 01:01:38,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:38,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 01:01:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-16 01:01:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-16 01:01:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-16 01:01:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:38,524 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-16 01:01:38,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:38,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389985988] [2021-12-16 01:01:38,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389985988] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:38,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:38,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-16 01:01:38,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774812892] [2021-12-16 01:01:38,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:38,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-16 01:01:38,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:38,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-16 01:01:38,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-12-16 01:01:38,527 INFO L87 Difference]: Start difference. First operand 278 states and 349 transitions. Second operand has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-16 01:01:39,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:39,277 INFO L93 Difference]: Finished difference Result 881 states and 1160 transitions. [2021-12-16 01:01:39,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-16 01:01:39,278 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 59 [2021-12-16 01:01:39,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:39,281 INFO L225 Difference]: With dead ends: 881 [2021-12-16 01:01:39,281 INFO L226 Difference]: Without dead ends: 661 [2021-12-16 01:01:39,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=215, Invalid=907, Unknown=0, NotChecked=0, Total=1122 [2021-12-16 01:01:39,283 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 513 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:39,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [520 Valid, 899 Invalid, 937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-16 01:01:39,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2021-12-16 01:01:39,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 540. [2021-12-16 01:01:39,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 417 states have (on average 1.223021582733813) internal successors, (510), 443 states have internal predecessors, (510), 65 states have call successors, (65), 49 states have call predecessors, (65), 57 states have return successors, (104), 67 states have call predecessors, (104), 65 states have call successors, (104) [2021-12-16 01:01:39,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 679 transitions. [2021-12-16 01:01:39,314 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 679 transitions. Word has length 59 [2021-12-16 01:01:39,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:39,314 INFO L470 AbstractCegarLoop]: Abstraction has 540 states and 679 transitions. [2021-12-16 01:01:39,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-16 01:01:39,315 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 679 transitions. [2021-12-16 01:01:39,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-12-16 01:01:39,316 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:39,316 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:39,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-16 01:01:39,316 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:39,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:39,317 INFO L85 PathProgramCache]: Analyzing trace with hash -808581914, now seen corresponding path program 1 times [2021-12-16 01:01:39,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:39,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735087038] [2021-12-16 01:01:39,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:39,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:39,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 01:01:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:39,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 01:01:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:39,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:39,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 01:01:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:39,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-16 01:01:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:39,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 01:01:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:39,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 01:01:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:39,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-16 01:01:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:39,443 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-16 01:01:39,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:39,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735087038] [2021-12-16 01:01:39,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735087038] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 01:01:39,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879054785] [2021-12-16 01:01:39,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:39,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 01:01:39,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 01:01:39,451 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) [2021-12-16 01:01:39,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-16 01:01:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:39,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-16 01:01:39,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 01:01:39,872 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 01:01:39,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 01:01:40,096 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-16 01:01:40,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879054785] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 01:01:40,097 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 01:01:40,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2021-12-16 01:01:40,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040841720] [2021-12-16 01:01:40,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 01:01:40,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-16 01:01:40,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:40,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-16 01:01:40,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-12-16 01:01:40,099 INFO L87 Difference]: Start difference. First operand 540 states and 679 transitions. Second operand has 15 states, 15 states have (on average 9.133333333333333) internal successors, (137), 10 states have internal predecessors, (137), 6 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (17), 8 states have call predecessors, (17), 6 states have call successors, (17) [2021-12-16 01:01:41,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:41,007 INFO L93 Difference]: Finished difference Result 1157 states and 1494 transitions. [2021-12-16 01:01:41,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-12-16 01:01:41,008 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.133333333333333) internal successors, (137), 10 states have internal predecessors, (137), 6 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (17), 8 states have call predecessors, (17), 6 states have call successors, (17) Word has length 100 [2021-12-16 01:01:41,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:41,012 INFO L225 Difference]: With dead ends: 1157 [2021-12-16 01:01:41,012 INFO L226 Difference]: Without dead ends: 673 [2021-12-16 01:01:41,015 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 223 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=438, Invalid=1454, Unknown=0, NotChecked=0, Total=1892 [2021-12-16 01:01:41,015 INFO L933 BasicCegarLoop]: 221 mSDtfsCounter, 401 mSDsluCounter, 1247 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 1468 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:41,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [404 Valid, 1468 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 1120 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-16 01:01:41,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2021-12-16 01:01:41,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 601. [2021-12-16 01:01:41,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 457 states have (on average 1.212253829321663) internal successors, (554), 491 states have internal predecessors, (554), 75 states have call successors, (75), 63 states have call predecessors, (75), 68 states have return successors, (100), 70 states have call predecessors, (100), 75 states have call successors, (100) [2021-12-16 01:01:41,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 729 transitions. [2021-12-16 01:01:41,049 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 729 transitions. Word has length 100 [2021-12-16 01:01:41,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:41,049 INFO L470 AbstractCegarLoop]: Abstraction has 601 states and 729 transitions. [2021-12-16 01:01:41,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.133333333333333) internal successors, (137), 10 states have internal predecessors, (137), 6 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (17), 8 states have call predecessors, (17), 6 states have call successors, (17) [2021-12-16 01:01:41,049 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 729 transitions. [2021-12-16 01:01:41,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-16 01:01:41,052 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:41,052 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-16 01:01:41,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-16 01:01:41,271 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,SelfDestructingSolverStorable9 [2021-12-16 01:01:41,272 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:41,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:41,272 INFO L85 PathProgramCache]: Analyzing trace with hash 386401410, now seen corresponding path program 1 times [2021-12-16 01:01:41,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:41,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744755307] [2021-12-16 01:01:41,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:41,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 01:01:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 01:01:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 01:01:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-16 01:01:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 01:01:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 01:01:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 01:01:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-16 01:01:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-16 01:01:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-16 01:01:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-16 01:01:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,391 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-12-16 01:01:41,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:41,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744755307] [2021-12-16 01:01:41,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744755307] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 01:01:41,392 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 01:01:41,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-16 01:01:41,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38846319] [2021-12-16 01:01:41,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 01:01:41,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 01:01:41,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:41,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 01:01:41,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-16 01:01:41,394 INFO L87 Difference]: Start difference. First operand 601 states and 729 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-16 01:01:41,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:41,676 INFO L93 Difference]: Finished difference Result 1191 states and 1464 transitions. [2021-12-16 01:01:41,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-16 01:01:41,677 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 180 [2021-12-16 01:01:41,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:41,681 INFO L225 Difference]: With dead ends: 1191 [2021-12-16 01:01:41,681 INFO L226 Difference]: Without dead ends: 646 [2021-12-16 01:01:41,682 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-12-16 01:01:41,683 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 202 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:41,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 521 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-16 01:01:41,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2021-12-16 01:01:41,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 610. [2021-12-16 01:01:41,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 610 states, 466 states have (on average 1.2081545064377683) internal successors, (563), 500 states have internal predecessors, (563), 75 states have call successors, (75), 63 states have call predecessors, (75), 68 states have return successors, (100), 70 states have call predecessors, (100), 75 states have call successors, (100) [2021-12-16 01:01:41,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 738 transitions. [2021-12-16 01:01:41,713 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 738 transitions. Word has length 180 [2021-12-16 01:01:41,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:41,716 INFO L470 AbstractCegarLoop]: Abstraction has 610 states and 738 transitions. [2021-12-16 01:01:41,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-16 01:01:41,716 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 738 transitions. [2021-12-16 01:01:41,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-12-16 01:01:41,719 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 01:01:41,719 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-16 01:01:41,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-16 01:01:41,720 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 01:01:41,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 01:01:41,721 INFO L85 PathProgramCache]: Analyzing trace with hash -964284320, now seen corresponding path program 1 times [2021-12-16 01:01:41,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 01:01:41,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856564265] [2021-12-16 01:01:41,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:41,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 01:01:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 01:01:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 01:01:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 01:01:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-16 01:01:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 01:01:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 01:01:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-16 01:01:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 01:01:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-16 01:01:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-16 01:01:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 01:01:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:41,893 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 87 proven. 30 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-12-16 01:01:41,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 01:01:41,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856564265] [2021-12-16 01:01:41,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856564265] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 01:01:41,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437689976] [2021-12-16 01:01:41,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 01:01:41,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 01:01:41,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 01:01:41,895 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) [2021-12-16 01:01:41,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-16 01:01:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 01:01:42,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-16 01:01:42,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 01:01:42,407 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 140 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-12-16 01:01:42,407 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 01:01:43,058 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 77 proven. 41 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-12-16 01:01:43,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437689976] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 01:01:43,058 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 01:01:43,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 11] total 25 [2021-12-16 01:01:43,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935240888] [2021-12-16 01:01:43,059 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 01:01:43,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-12-16 01:01:43,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 01:01:43,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-12-16 01:01:43,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=479, Unknown=0, NotChecked=0, Total=600 [2021-12-16 01:01:43,061 INFO L87 Difference]: Start difference. First operand 610 states and 738 transitions. Second operand has 25 states, 25 states have (on average 8.48) internal successors, (212), 22 states have internal predecessors, (212), 10 states have call successors, (28), 8 states have call predecessors, (28), 9 states have return successors, (27), 9 states have call predecessors, (27), 10 states have call successors, (27) [2021-12-16 01:01:43,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 01:01:43,977 INFO L93 Difference]: Finished difference Result 1263 states and 1577 transitions. [2021-12-16 01:01:43,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-16 01:01:43,978 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.48) internal successors, (212), 22 states have internal predecessors, (212), 10 states have call successors, (28), 8 states have call predecessors, (28), 9 states have return successors, (27), 9 states have call predecessors, (27), 10 states have call successors, (27) Word has length 176 [2021-12-16 01:01:43,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 01:01:43,979 INFO L225 Difference]: With dead ends: 1263 [2021-12-16 01:01:43,979 INFO L226 Difference]: Without dead ends: 0 [2021-12-16 01:01:43,982 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 367 SyntacticMatches, 5 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=481, Invalid=1775, Unknown=0, NotChecked=0, Total=2256 [2021-12-16 01:01:43,983 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 727 mSDsluCounter, 809 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-16 01:01:43,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [730 Valid, 944 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-16 01:01:43,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-16 01:01:43,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-16 01:01:43,984 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) [2021-12-16 01:01:43,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-16 01:01:43,985 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2021-12-16 01:01:43,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 01:01:43,986 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 01:01:43,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.48) internal successors, (212), 22 states have internal predecessors, (212), 10 states have call successors, (28), 8 states have call predecessors, (28), 9 states have return successors, (27), 9 states have call predecessors, (27), 10 states have call successors, (27) [2021-12-16 01:01:43,986 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-16 01:01:43,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-16 01:01:43,988 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 01:01:44,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-16 01:01:44,211 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 [2021-12-16 01:01:44,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-16 01:01:49,295 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 822 828) no Hoare annotation was computed. [2021-12-16 01:01:49,296 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 822 828) the Hoare annotation is: true [2021-12-16 01:01:49,296 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 232 243) the Hoare annotation is: true [2021-12-16 01:01:49,296 INFO L858 garLoopResultBuilder]: For program point L236-1(lines 232 243) no Hoare annotation was computed. [2021-12-16 01:01:49,296 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 232 243) no Hoare annotation was computed. [2021-12-16 01:01:49,296 INFO L854 garLoopResultBuilder]: At program point L692(lines 685 694) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (and (<= 1 ~switchedOnBeforeTS~0) .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse2 .cse3) (or .cse0 (and .cse4 (= ~pumpRunning~0 0)) .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2 .cse3)))) [2021-12-16 01:01:49,296 INFO L854 garLoopResultBuilder]: At program point L304(lines 299 307) the Hoare annotation is: (let ((.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse5 (<= ~waterLevel~0 1) .cse6)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 (and .cse5 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse6) .cse3) (or .cse4 .cse1 (and .cse5 (= ~waterLevel~0 1) .cse6) (not (< 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 .cse1 (not (= |old(~pumpRunning~0)| 0)))))) [2021-12-16 01:01:49,296 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 795 821) no Hoare annotation was computed. [2021-12-16 01:01:49,298 INFO L854 garLoopResultBuilder]: At program point L870(line 870) the Hoare annotation is: (let ((.cse0 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= |timeShift_processEnvironment_~tmp~7#1| 0))) (let ((.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse5 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 (<= ~waterLevel~0 1) .cse1 .cse2)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (= 1 ~systemActive~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse3 .cse6 (not (= |old(~pumpRunning~0)| 0))) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse5 .cse6 .cse7) (or .cse3 .cse6 (not (< 1 |old(~waterLevel~0)|)) .cse7 (and .cse0 (= ~waterLevel~0 1) .cse1 .cse2))))) [2021-12-16 01:01:49,298 INFO L854 garLoopResultBuilder]: At program point L705(line 705) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse16 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse17 (<= ~waterLevel~0 1)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse1 (= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse3 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| ~waterLevel~0))) (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse15 (not (< 1 |old(~waterLevel~0)|))) (.cse10 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse4 (not (= 1 ~systemActive~0))) (.cse11 (and .cse16 .cse7 .cse17 (<= 1 ~pumpRunning~0) .cse8 .cse9 .cse1 (= ~systemActive~0 1) .cse3)) (.cse12 (and .cse16 .cse7 .cse17 .cse1 .cse2 .cse3)) (.cse13 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (and .cse0 .cse1 .cse2 .cse3) .cse4 .cse5 (not (<= |old(~waterLevel~0)| 1))) (or .cse6 (and .cse7 .cse0 .cse8 .cse9 .cse1 .cse3) .cse10 .cse4 (and .cse7 .cse0 .cse1 .cse2 .cse3) .cse11 .cse12 .cse13) (let ((.cse14 (= ~waterLevel~0 1))) (or .cse6 (and .cse7 .cse14 .cse8 .cse9 .cse1 .cse3) .cse4 (and .cse7 .cse14 .cse1 .cse2 .cse3) .cse15 .cse13)) (or .cse6 .cse4 .cse5 .cse15) (or (not (= |old(~waterLevel~0)| 1)) .cse10 .cse4 .cse11 .cse12 .cse13)))) [2021-12-16 01:01:49,298 INFO L858 garLoopResultBuilder]: For program point L705-1(line 705) no Hoare annotation was computed. [2021-12-16 01:01:49,298 INFO L854 garLoopResultBuilder]: At program point L912(lines 907 914) the Hoare annotation is: (let ((.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (= ~pumpRunning~0 0))) (let ((.cse1 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse4 (<= ~waterLevel~0 1) .cse5)) (.cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse5) .cse6) (or .cse1 .cse3 (not (= |old(~waterLevel~0)| 2)) .cse6) (or .cse0 .cse3 (not (= |old(~pumpRunning~0)| 0))) (or .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse6) (or .cse0 (= ~waterLevel~0 1) .cse3 (not (< 1 |old(~waterLevel~0)|)) .cse6)))) [2021-12-16 01:01:49,298 INFO L854 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2) (or .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2) (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 0)) .cse1 (not (= |old(~pumpRunning~0)| 0))))) [2021-12-16 01:01:49,298 INFO L854 garLoopResultBuilder]: At program point L875-1(lines 856 880) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse11 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse12 (<= ~waterLevel~0 1)) (.cse10 (= ~pumpRunning~0 0))) (let ((.cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (and .cse11 .cse5 .cse12 .cse10)) (.cse2 (and .cse11 .cse5 .cse12 .cse7 .cse8)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= 1 ~systemActive~0))) (.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse3 .cse4) (or (and .cse5 .cse6 .cse7 .cse8) .cse9 .cse0 .cse1 .cse2 .cse3 (and .cse5 .cse6 .cse10) .cse4) (or .cse0 .cse2 .cse3 (not (= |old(~waterLevel~0)| 2)) .cse4) (or .cse9 (= ~waterLevel~0 1) .cse3 (not (< 1 |old(~waterLevel~0)|)) .cse4) (or .cse9 (and .cse6 .cse10) .cse3 (and (= ~waterLevel~0 2) .cse6 (<= 1 ~pumpRunning~0)) (not (= |old(~pumpRunning~0)| 0)))))) [2021-12-16 01:01:49,298 INFO L858 garLoopResultBuilder]: For program point L809-1(lines 809 815) no Hoare annotation was computed. [2021-12-16 01:01:49,299 INFO L858 garLoopResultBuilder]: For program point L999(lines 999 1003) no Hoare annotation was computed. [2021-12-16 01:01:49,299 INFO L858 garLoopResultBuilder]: For program point L999-2(lines 999 1003) no Hoare annotation was computed. [2021-12-16 01:01:49,299 INFO L854 garLoopResultBuilder]: At program point L281(lines 276 284) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0)) (.cse12 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse13 (<= ~waterLevel~0 1)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse7 (= |timeShift_getWaterLevel_#res#1| ~waterLevel~0))) (let ((.cse0 (and .cse12 .cse9 .cse13 .cse10 .cse11 .cse7)) (.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse6 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (and .cse12 .cse9 .cse13 .cse7 .cse8)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 2)) .cse3) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse1 (not (= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 2) .cse6 (<= 1 ~pumpRunning~0) .cse7) (and .cse6 .cse7 .cse8)) (or .cse0 (and .cse9 .cse6 .cse7 .cse8) .cse5 .cse4 .cse1 (and .cse9 .cse6 .cse10 .cse11 .cse7) .cse2 .cse3) (or .cse5 (= ~waterLevel~0 1) .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse3)))) [2021-12-16 01:01:49,299 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-12-16 01:01:49,299 INFO L854 garLoopResultBuilder]: At program point L690(line 690) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= 1 ~systemActive~0))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (and .cse1 .cse2 (= ~pumpRunning~0 0)) .cse3 (not (= |old(~pumpRunning~0)| 0))) (or (and .cse1 .cse2 .cse4) .cse0 .cse3 (not (< 1 |old(~waterLevel~0)|)) .cse5) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse3 (and .cse1 .cse4 .cse2) (not (<= |old(~waterLevel~0)| 1)) .cse5))) [2021-12-16 01:01:49,299 INFO L858 garLoopResultBuilder]: For program point L690-1(line 690) no Hoare annotation was computed. [2021-12-16 01:01:49,300 INFO L858 garLoopResultBuilder]: For program point L707(lines 707 717) no Hoare annotation was computed. [2021-12-16 01:01:49,300 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 808) no Hoare annotation was computed. [2021-12-16 01:01:49,300 INFO L858 garLoopResultBuilder]: For program point L802-2(lines 798 820) no Hoare annotation was computed. [2021-12-16 01:01:49,300 INFO L858 garLoopResultBuilder]: For program point L864(lines 864 872) no Hoare annotation was computed. [2021-12-16 01:01:49,300 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 720) no Hoare annotation was computed. [2021-12-16 01:01:49,300 INFO L854 garLoopResultBuilder]: At program point L703-1(lines 695 723) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 0)) (.cse14 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse15 (<= ~waterLevel~0 1)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse3 (= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse4 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| ~waterLevel~0))) (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse9 (and .cse14 .cse6 .cse15 .cse2 .cse7 .cse3 .cse4)) (.cse11 (and .cse14 .cse6 .cse15 .cse3 .cse10 .cse4)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (= 1 ~systemActive~0))) (.cse12 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 (not (= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 2) .cse1 (<= 1 ~pumpRunning~0) .cse3 .cse4)) (or .cse0 (and .cse6 .cse1 .cse2 .cse7 .cse3 .cse4) .cse8 .cse5 .cse9 (and .cse6 .cse1 .cse3 .cse10 .cse4) .cse11 .cse12) (or (not (= |old(~waterLevel~0)| 1)) .cse8 .cse5 .cse9 .cse11 .cse12) (let ((.cse13 (= ~waterLevel~0 1))) (or .cse0 .cse5 (and .cse6 .cse13 .cse3 .cse10 .cse4) (not (< 1 |old(~waterLevel~0)|)) (and .cse6 .cse13 .cse2 .cse3 .cse7 .cse4) .cse12))))) [2021-12-16 01:01:49,300 INFO L858 garLoopResultBuilder]: For program point L860(lines 860 877) no Hoare annotation was computed. [2021-12-16 01:01:49,301 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2) (or .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2))) [2021-12-16 01:01:49,301 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 216) no Hoare annotation was computed. [2021-12-16 01:01:49,301 INFO L854 garLoopResultBuilder]: At program point L212-2(lines 208 219) the Hoare annotation is: (let ((.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse5 (<= ~waterLevel~0 1) .cse6)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 (and .cse5 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse6) .cse3) (or .cse4 .cse1 (and .cse5 (= ~waterLevel~0 1) .cse6) (not (< 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 .cse1 (not (= |old(~pumpRunning~0)| 0)))))) [2021-12-16 01:01:49,302 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 795 821) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= 1 ~systemActive~0))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (and .cse1 .cse2 (= ~pumpRunning~0 0)) .cse3 (not (= |old(~pumpRunning~0)| 0))) (or (and .cse1 .cse2 .cse4) .cse0 .cse3 (not (< 1 |old(~waterLevel~0)|)) .cse5) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse3 (and .cse1 .cse4 .cse2) (not (<= |old(~waterLevel~0)| 1)) .cse5))) [2021-12-16 01:01:49,302 INFO L854 garLoopResultBuilder]: At program point L1005(lines 990 1008) the Hoare annotation is: (let ((.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse5 (<= ~waterLevel~0 1) .cse6)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 (not (= |old(~waterLevel~0)| 2)) .cse3) (or .cse4 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 .cse1 .cse2 (not (<= |old(~waterLevel~0)| 1)) (and .cse5 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse6) .cse3) (or .cse4 (= ~waterLevel~0 1) .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse3)))) [2021-12-16 01:01:49,302 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 795 821) no Hoare annotation was computed. [2021-12-16 01:01:49,302 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-12-16 01:01:49,302 INFO L858 garLoopResultBuilder]: For program point L708(lines 708 714) no Hoare annotation was computed. [2021-12-16 01:01:49,303 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 99 128) no Hoare annotation was computed. [2021-12-16 01:01:49,303 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 99 128) the Hoare annotation is: true [2021-12-16 01:01:49,303 INFO L861 garLoopResultBuilder]: At program point L124(lines 99 128) the Hoare annotation is: true [2021-12-16 01:01:49,303 INFO L858 garLoopResultBuilder]: For program point L120(line 120) no Hoare annotation was computed. [2021-12-16 01:01:49,303 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 117) no Hoare annotation was computed. [2021-12-16 01:01:49,303 INFO L861 garLoopResultBuilder]: At program point L113-1(lines 113 117) the Hoare annotation is: true [2021-12-16 01:01:49,303 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-16 01:01:49,303 INFO L861 garLoopResultBuilder]: At program point L109-2(lines 109 123) the Hoare annotation is: true [2021-12-16 01:01:49,304 INFO L861 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: true [2021-12-16 01:01:49,304 INFO L858 garLoopResultBuilder]: For program point L105-1(line 105) no Hoare annotation was computed. [2021-12-16 01:01:49,304 INFO L858 garLoopResultBuilder]: For program point L737(lines 737 741) no Hoare annotation was computed. [2021-12-16 01:01:49,305 INFO L854 garLoopResultBuilder]: At program point L77(lines 73 79) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:49,305 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 775) no Hoare annotation was computed. [2021-12-16 01:01:49,305 INFO L854 garLoopResultBuilder]: At program point L771-2(lines 765 776) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1))) (or (and .cse0 (= ~waterLevel~0 2) .cse1 .cse2) (and .cse0 (< 1 ~waterLevel~0) .cse3 .cse4 (= 1 ~systemActive~0)) (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse4 .cse1))) [2021-12-16 01:01:49,305 INFO L854 garLoopResultBuilder]: At program point L160(lines 156 162) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:49,305 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-16 01:01:49,305 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-16 01:01:49,305 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-16 01:01:49,305 INFO L858 garLoopResultBuilder]: For program point L755(lines 755 761) no Hoare annotation was computed. [2021-12-16 01:01:49,305 INFO L858 garLoopResultBuilder]: For program point L755-1(lines 755 761) no Hoare annotation was computed. [2021-12-16 01:01:49,305 INFO L861 garLoopResultBuilder]: At program point L784(lines 725 788) the Hoare annotation is: true [2021-12-16 01:01:49,305 INFO L861 garLoopResultBuilder]: At program point L173(lines 165 175) the Hoare annotation is: true [2021-12-16 01:01:49,306 INFO L854 garLoopResultBuilder]: At program point L747(line 747) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= ~waterLevel~0 2)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse3 .cse5) (and .cse0 .cse1 .cse3 .cse5) (and .cse0 .cse4 .cse2 .cse3))) [2021-12-16 01:01:49,306 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-16 01:01:49,306 INFO L858 garLoopResultBuilder]: For program point L186(lines 186 193) no Hoare annotation was computed. [2021-12-16 01:01:49,306 INFO L858 garLoopResultBuilder]: For program point L186-2(lines 186 193) no Hoare annotation was computed. [2021-12-16 01:01:49,306 INFO L854 garLoopResultBuilder]: At program point L781(lines 734 782) the Hoare annotation is: false [2021-12-16 01:01:49,306 INFO L854 garLoopResultBuilder]: At program point L682(lines 677 684) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:49,306 INFO L861 garLoopResultBuilder]: At program point L195(lines 176 198) the Hoare annotation is: true [2021-12-16 01:01:49,306 INFO L858 garLoopResultBuilder]: For program point L736(lines 735 780) no Hoare annotation was computed. [2021-12-16 01:01:49,307 INFO L858 garLoopResultBuilder]: For program point L765(lines 765 776) no Hoare annotation was computed. [2021-12-16 01:01:49,307 INFO L854 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:49,307 INFO L854 garLoopResultBuilder]: At program point L757(line 757) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1))) (or (and .cse0 (= ~waterLevel~0 2) .cse1 .cse2) (and .cse0 (< 1 ~waterLevel~0) .cse3 .cse4 (= 1 ~systemActive~0)) (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse4 .cse1))) [2021-12-16 01:01:49,307 INFO L854 garLoopResultBuilder]: At program point L84(lines 80 86) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2021-12-16 01:01:49,307 INFO L854 garLoopResultBuilder]: At program point L778(lines 735 780) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= ~waterLevel~0 2)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1))) (or (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse3 .cse5) (and .cse0 .cse1 .cse3 .cse5) (and .cse0 .cse4 .cse2 .cse3))) [2021-12-16 01:01:49,308 INFO L858 garLoopResultBuilder]: For program point L745(lines 745 751) no Hoare annotation was computed. [2021-12-16 01:01:49,308 INFO L858 garLoopResultBuilder]: For program point L745-1(lines 745 751) no Hoare annotation was computed. [2021-12-16 01:01:49,309 INFO L858 garLoopResultBuilder]: For program point L289(lines 289 295) no Hoare annotation was computed. [2021-12-16 01:01:49,309 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 830 854) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) (or (not (<= 1 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))))) [2021-12-16 01:01:49,309 INFO L854 garLoopResultBuilder]: At program point L886(lines 881 888) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 .cse2) (or .cse1 (not (<= ~waterLevel~0 2)) .cse2 (<= 1 ~pumpRunning~0)))) [2021-12-16 01:01:49,309 INFO L854 garLoopResultBuilder]: At program point L849(line 849) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse2 .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|))) (or .cse2 .cse0 .cse1))) [2021-12-16 01:01:49,309 INFO L858 garLoopResultBuilder]: For program point L849-1(lines 830 854) no Hoare annotation was computed. [2021-12-16 01:01:49,309 INFO L854 garLoopResultBuilder]: At program point L294(lines 285 298) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse1 (not (<= ~waterLevel~0 2)) .cse2 (= ~pumpRunning~0 0)) (or .cse0 .cse1 .cse2 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|)))) [2021-12-16 01:01:49,309 INFO L858 garLoopResultBuilder]: For program point L897(lines 897 903) no Hoare annotation was computed. [2021-12-16 01:01:49,309 INFO L854 garLoopResultBuilder]: At program point L897-2(lines 890 906) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 .cse1 .cse2) (or .cse1 (not (= ~waterLevel~0 2)) .cse2 (<= 1 ~pumpRunning~0) (= ~pumpRunning~0 0)))) [2021-12-16 01:01:49,309 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 830 854) no Hoare annotation was computed. [2021-12-16 01:01:49,309 INFO L854 garLoopResultBuilder]: At program point L986(lines 971 989) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse1 (not (<= ~waterLevel~0 2)) .cse2 (= ~pumpRunning~0 0)) (or .cse0 .cse1 .cse2 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0))))) [2021-12-16 01:01:49,310 INFO L854 garLoopResultBuilder]: At program point L922(lines 915 925) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 2) (= ~pumpRunning~0 0))))) [2021-12-16 01:01:49,310 INFO L854 garLoopResultBuilder]: At program point L249(lines 244 252) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 2) (= ~pumpRunning~0 0))))) [2021-12-16 01:01:49,310 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 984) no Hoare annotation was computed. [2021-12-16 01:01:49,310 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 984) no Hoare annotation was computed. [2021-12-16 01:01:49,310 INFO L854 garLoopResultBuilder]: At program point L844(line 844) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse1 (not (<= 1 |old(~pumpRunning~0)|))) (or .cse2 .cse1 (not (= ~waterLevel~0 2)) .cse3) (or .cse0 .cse2 .cse1 .cse3))) [2021-12-16 01:01:49,310 INFO L858 garLoopResultBuilder]: For program point L838(lines 838 846) no Hoare annotation was computed. [2021-12-16 01:01:49,310 INFO L858 garLoopResultBuilder]: For program point L834(lines 834 851) no Hoare annotation was computed. [2021-12-16 01:01:49,311 INFO L858 garLoopResultBuilder]: For program point L224-1(lines 220 231) no Hoare annotation was computed. [2021-12-16 01:01:49,311 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 220 231) no Hoare annotation was computed. [2021-12-16 01:01:49,311 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 220 231) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse1 .cse5 .cse2 .cse4) (or .cse1 .cse5 .cse2 .cse3))) [2021-12-16 01:01:49,311 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 926 934) no Hoare annotation was computed. [2021-12-16 01:01:49,311 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 926 934) the Hoare annotation is: true [2021-12-16 01:01:49,311 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 926 934) no Hoare annotation was computed. [2021-12-16 01:01:49,313 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 01:01:49,314 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 01:01:49,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 01:01:49 BoogieIcfgContainer [2021-12-16 01:01:49,348 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 01:01:49,348 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 01:01:49,349 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 01:01:49,349 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 01:01:49,349 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 01:01:36" (3/4) ... [2021-12-16 01:01:49,352 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-16 01:01:49,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-16 01:01:49,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-16 01:01:49,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-16 01:01:49,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-16 01:01:49,358 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-16 01:01:49,358 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-16 01:01:49,358 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-16 01:01:49,364 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2021-12-16 01:01:49,365 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-16 01:01:49,365 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-16 01:01:49,366 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-16 01:01:49,366 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-16 01:01:49,367 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 01:01:49,367 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-16 01:01:49,386 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && ((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:49,386 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) [2021-12-16 01:01:49,387 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(waterLevel) <= 2) || (((waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning)) && \result == waterLevel) && tmp == waterLevel)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((((waterLevel == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && \result == waterLevel) && tmp == waterLevel)) && (((((((!(\old(waterLevel) <= 2) || (((((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel) && tmp == waterLevel)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel) && tmp == waterLevel)) || ((((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && \result == waterLevel) && pumpRunning == 0) && tmp == waterLevel)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && pumpRunning == 0) && tmp == waterLevel)) || !(1 <= \old(pumpRunning)))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel) && tmp == waterLevel)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && pumpRunning == 0) && tmp == waterLevel)) || !(1 <= \old(pumpRunning)))) && (((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((((1 <= switchedOnBeforeTS && waterLevel == 1) && \result == waterLevel) && pumpRunning == 0) && tmp == waterLevel)) || !(1 < \old(waterLevel))) || (((((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning)) && \result == waterLevel) && tmp == 0) && tmp == waterLevel)) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:49,387 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) && ((((((((((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && tmp == 0) || !(\old(waterLevel) <= 2)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == 0)) || !(1 <= \old(switchedOnBeforeTS))) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0)) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == 0) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0)) || !(1 == systemActive)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || waterLevel == 1) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(1 == systemActive)) || ((waterLevel == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(\old(pumpRunning) == 0)) [2021-12-16 01:01:49,387 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) && (((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && ((!(1 == systemActive) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:49,387 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel) || !(1 == systemActive)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && ((((((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel) || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || (((waterLevel == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && \result == waterLevel)) || ((waterLevel == \old(waterLevel) && \result == waterLevel) && pumpRunning == 0))) && ((((((((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel) || (((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && \result == waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || waterLevel == 1) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:49,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) [2021-12-16 01:01:49,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= switchedOnBeforeTS) || !(waterLevel <= 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) && (((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0)) && (((!(waterLevel <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || 1 <= \result) [2021-12-16 01:01:49,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (((!(1 == systemActive) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && (((((!(1 <= \old(switchedOnBeforeTS)) || !(1 == systemActive)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || !(\old(waterLevel) <= 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || waterLevel == 1) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:49,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= switchedOnBeforeTS) || !(waterLevel <= 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) && (((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0)) && (((!(waterLevel <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || (\result == 0 && tmp___0 == 0)) [2021-12-16 01:01:49,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(waterLevel) <= 2) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == 0)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) && ((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == 0) || !(1 == systemActive)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && (((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || waterLevel == 1) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) [2021-12-16 01:01:49,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= switchedOnBeforeTS) || !(waterLevel <= 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) && (((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (waterLevel == 2 && pumpRunning == 0)) [2021-12-16 01:01:49,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= switchedOnBeforeTS) || !(waterLevel <= 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) && (((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (waterLevel == 2 && pumpRunning == 0)) [2021-12-16 01:01:49,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= switchedOnBeforeTS) || !(waterLevel <= 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) && ((!(waterLevel <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && ((((!(1 == systemActive) || !(waterLevel == 2)) || !(\old(pumpRunning) == 0)) || 1 <= pumpRunning) || pumpRunning == 0) [2021-12-16 01:01:49,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= switchedOnBeforeTS) || !(waterLevel <= 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) && ((!(waterLevel <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && (((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || 1 <= pumpRunning) [2021-12-16 01:01:49,408 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-16 01:01:49,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 01:01:49,409 INFO L158 Benchmark]: Toolchain (without parser) took 14002.29ms. Allocated memory was 90.2MB in the beginning and 159.4MB in the end (delta: 69.2MB). Free memory was 61.0MB in the beginning and 73.7MB in the end (delta: -12.7MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2021-12-16 01:01:49,409 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 90.2MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 01:01:49,410 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.61ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 60.7MB in the beginning and 77.9MB in the end (delta: -17.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 01:01:49,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.61ms. Allocated memory is still 109.1MB. Free memory was 77.4MB in the beginning and 75.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 01:01:49,410 INFO L158 Benchmark]: Boogie Preprocessor took 46.04ms. Allocated memory is still 109.1MB. Free memory was 75.3MB in the beginning and 73.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 01:01:49,411 INFO L158 Benchmark]: RCFGBuilder took 400.69ms. Allocated memory is still 109.1MB. Free memory was 73.2MB in the beginning and 56.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-16 01:01:49,411 INFO L158 Benchmark]: TraceAbstraction took 12942.68ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 56.4MB in the beginning and 81.1MB in the end (delta: -24.7MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2021-12-16 01:01:49,411 INFO L158 Benchmark]: Witness Printer took 60.32ms. Allocated memory is still 159.4MB. Free memory was 81.1MB in the beginning and 73.7MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 01:01:49,412 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 90.2MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 468.61ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 60.7MB in the beginning and 77.9MB in the end (delta: -17.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.61ms. Allocated memory is still 109.1MB. Free memory was 77.4MB in the beginning and 75.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.04ms. Allocated memory is still 109.1MB. Free memory was 75.3MB in the beginning and 73.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 400.69ms. Allocated memory is still 109.1MB. Free memory was 73.2MB in the beginning and 56.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12942.68ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 56.4MB in the beginning and 81.1MB in the end (delta: -24.7MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. * Witness Printer took 60.32ms. Allocated memory is still 159.4MB. Free memory was 81.1MB in the beginning and 73.7MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. 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: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.9s, OverallIterations: 12, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2586 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2546 mSDsluCounter, 5847 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4349 mSDsCounter, 811 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3727 IncrementalHoareTripleChecker+Invalid, 4538 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 811 mSolverCounterUnsat, 1498 mSDtfsCounter, 3727 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 872 GetRequests, 694 SyntacticMatches, 7 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1197 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=610occurred in iteration=11, InterpolantAutomatonStates: 150, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 262 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 1743 PreInvPairs, 2024 NumberOfFragments, 2726 HoareAnnotationTreeSize, 1743 FomulaSimplifications, 3493 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 45 FomulaSimplificationsInter, 25792 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1156 NumberOfCodeBlocks, 1156 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1416 ConstructedInterpolants, 0 QuantifiedInterpolants, 2921 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1188 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 780/890 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: 677]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: (((((((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) && ((((((((((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && tmp == 0) || !(\old(waterLevel) <= 2)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == 0)) || !(1 <= \old(switchedOnBeforeTS))) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0)) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && (((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == 0) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0)) || !(1 == systemActive)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || waterLevel == 1) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(1 == systemActive)) || ((waterLevel == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: ((((((((!(\old(waterLevel) <= 2) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == 0)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(1 <= \old(pumpRunning))) && ((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == 0) || !(1 == systemActive)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && (((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == 0) || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || waterLevel == 1) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 990]: Loop Invariant Derived loop invariant: (((((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (((!(1 == systemActive) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && (((((!(1 <= \old(switchedOnBeforeTS)) || !(1 == systemActive)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || !(\old(waterLevel) <= 1)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || waterLevel == 1) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 915]: Loop Invariant Derived loop invariant: (((!(1 <= switchedOnBeforeTS) || !(waterLevel <= 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) && (((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (waterLevel == 2 && pumpRunning == 0)) - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 2) || (((waterLevel == \old(waterLevel) && pumpRunning == \old(pumpRunning)) && \result == waterLevel) && tmp == waterLevel)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((((waterLevel == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && \result == waterLevel) && tmp == waterLevel)) && (((((((!(\old(waterLevel) <= 2) || (((((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel) && tmp == waterLevel)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel) && tmp == waterLevel)) || ((((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && \result == waterLevel) && pumpRunning == 0) && tmp == waterLevel)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && pumpRunning == 0) && tmp == waterLevel)) || !(1 <= \old(pumpRunning)))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel) && tmp == waterLevel)) || (((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && pumpRunning == 0) && tmp == waterLevel)) || !(1 <= \old(pumpRunning)))) && (((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((((1 <= switchedOnBeforeTS && waterLevel == 1) && \result == waterLevel) && pumpRunning == 0) && tmp == waterLevel)) || !(1 < \old(waterLevel))) || (((((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning)) && \result == waterLevel) && tmp == 0) && tmp == waterLevel)) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: ((((!(1 <= switchedOnBeforeTS) || !(waterLevel <= 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) && (((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0)) && (((!(waterLevel <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || (\result == 0 && tmp___0 == 0)) - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && 1 <= pumpRunning) && systemActive == 1) || (((splverifierCounter == 0 && waterLevel == 2) && systemActive == 1) && pumpRunning == 0)) || (((splverifierCounter == 0 && waterLevel <= 1) && systemActive == 1) && pumpRunning == 0)) || (((splverifierCounter == 0 && waterLevel == 2) && 1 <= pumpRunning) && systemActive == 1) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((!(1 <= switchedOnBeforeTS) || !(waterLevel <= 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) && ((!(waterLevel <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && ((((!(1 == systemActive) || !(waterLevel == 2)) || !(\old(pumpRunning) == 0)) || 1 <= pumpRunning) || pumpRunning == 0) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: ((((!(1 <= switchedOnBeforeTS) || !(waterLevel <= 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) && (((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || pumpRunning == 0)) && (((!(waterLevel <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || 1 <= \result) - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: ((((((((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel) || !(1 == systemActive)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) && ((((((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel) || !(\old(waterLevel) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || (((waterLevel == 2 && waterLevel == \old(waterLevel)) && 1 <= pumpRunning) && \result == waterLevel)) || ((waterLevel == \old(waterLevel) && \result == waterLevel) && pumpRunning == 0))) && ((((((((((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel) || (((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && \result == waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning)) && tmp == 0) && \result == waterLevel)) || ((((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && \result == waterLevel) && pumpRunning == 0)) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || waterLevel == 1) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: (waterLevel == 1 && systemActive == 1) && pumpRunning == 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: (((!(1 <= switchedOnBeforeTS) || !(waterLevel <= 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) && (((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || (waterLevel == 2 && pumpRunning == 0)) - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (((!(\old(waterLevel) <= 2) || (waterLevel == \old(waterLevel) && pumpRunning == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && ((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) == 1) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning))) && (((((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || (((waterLevel + 1 <= \old(waterLevel) && 1 <= switchedOnBeforeTS) && waterLevel <= 1) && pumpRunning == \old(pumpRunning))) || ((1 <= switchedOnBeforeTS && waterLevel == \old(waterLevel)) && pumpRunning == \old(pumpRunning))) || !(1 <= \old(pumpRunning)))) && ((((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || ((1 <= switchedOnBeforeTS && waterLevel == 1) && pumpRunning == \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(1 <= \old(pumpRunning)))) && ((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: ((((!(1 <= switchedOnBeforeTS) || !(waterLevel <= 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) && ((!(waterLevel <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 0))) && (((!(1 == systemActive) || !(waterLevel <= 2)) || !(\old(pumpRunning) == 0)) || 1 <= pumpRunning) - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 2) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) && (((!(\old(waterLevel) <= 2) || !(1 <= \old(switchedOnBeforeTS))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning)))) && ((!(1 == systemActive) || !(\old(waterLevel) == 2)) || !(1 <= \old(pumpRunning))) RESULT: Ultimate proved your program to be correct! [2021-12-16 01:01:49,460 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE