./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf 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_spec4_product62.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 e4021e5ed6083ccb49822fa9a7e2a9e751d393e1 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 16:16:42,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 16:16:42,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 16:16:42,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 16:16:42,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 16:16:42,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 16:16:42,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 16:16:42,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 16:16:42,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 16:16:42,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 16:16:42,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 16:16:42,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 16:16:42,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 16:16:42,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 16:16:42,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 16:16:42,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 16:16:42,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 16:16:42,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 16:16:42,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 16:16:42,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 16:16:42,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 16:16:42,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 16:16:42,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 16:16:42,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 16:16:42,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 16:16:42,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 16:16:42,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 16:16:42,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 16:16:42,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 16:16:42,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 16:16:42,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 16:16:42,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 16:16:42,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 16:16:42,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 16:16:42,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 16:16:42,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 16:16:42,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 16:16:42,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 16:16:42,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 16:16:42,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 16:16:42,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 16:16:42,157 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 16:16:42,178 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 16:16:42,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 16:16:42,180 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 16:16:42,180 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 16:16:42,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 16:16:42,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 16:16:42,182 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 16:16:42,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 16:16:42,182 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 16:16:42,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 16:16:42,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 16:16:42,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 16:16:42,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 16:16:42,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 16:16:42,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 16:16:42,184 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 16:16:42,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 16:16:42,184 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 16:16:42,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 16:16:42,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 16:16:42,184 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 16:16:42,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 16:16:42,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:16:42,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 16:16:42,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 16:16:42,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 16:16:42,186 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 16:16:42,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 16:16:42,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 16:16:42,186 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 16:16:42,186 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4021e5ed6083ccb49822fa9a7e2a9e751d393e1 [2021-08-29 16:16:42,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 16:16:42,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 16:16:42,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 16:16:42,468 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 16:16:42,468 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 16:16:42,469 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c [2021-08-29 16:16:42,513 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8869238c0/ac701a9418294e8e867c94092cfcf33e/FLAG58600cf01 [2021-08-29 16:16:42,960 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 16:16:42,961 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c [2021-08-29 16:16:42,974 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8869238c0/ac701a9418294e8e867c94092cfcf33e/FLAG58600cf01 [2021-08-29 16:16:42,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8869238c0/ac701a9418294e8e867c94092cfcf33e [2021-08-29 16:16:42,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 16:16:42,989 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 16:16:42,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 16:16:42,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 16:16:42,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 16:16:42,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:16:42" (1/1) ... [2021-08-29 16:16:42,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c51cd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:42, skipping insertion in model container [2021-08-29 16:16:42,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:16:42" (1/1) ... [2021-08-29 16:16:43,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 16:16:43,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 16:16:43,154 WARN L228 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_spec4_product62.cil.c[1281,1294] [2021-08-29 16:16:43,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:16:43,293 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 16:16:43,301 WARN L228 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_spec4_product62.cil.c[1281,1294] [2021-08-29 16:16:43,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 16:16:43,341 INFO L208 MainTranslator]: Completed translation [2021-08-29 16:16:43,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:43 WrapperNode [2021-08-29 16:16:43,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 16:16:43,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 16:16:43,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 16:16:43,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 16:16:43,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:43" (1/1) ... [2021-08-29 16:16:43,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:43" (1/1) ... [2021-08-29 16:16:43,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 16:16:43,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 16:16:43,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 16:16:43,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 16:16:43,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:43" (1/1) ... [2021-08-29 16:16:43,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:43" (1/1) ... [2021-08-29 16:16:43,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:43" (1/1) ... [2021-08-29 16:16:43,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:43" (1/1) ... [2021-08-29 16:16:43,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:43" (1/1) ... [2021-08-29 16:16:43,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:43" (1/1) ... [2021-08-29 16:16:43,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:43" (1/1) ... [2021-08-29 16:16:43,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 16:16:43,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 16:16:43,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 16:16:43,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 16:16:43,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:43" (1/1) ... [2021-08-29 16:16:43,486 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 16:16:43,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:16:43,504 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) [2021-08-29 16:16:43,516 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 [2021-08-29 16:16:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 16:16:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 16:16:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 16:16:43,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 16:16:44,015 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 16:16:44,015 INFO L299 CfgBuilder]: Removed 350 assume(true) statements. [2021-08-29 16:16:44,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:16:44 BoogieIcfgContainer [2021-08-29 16:16:44,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 16:16:44,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 16:16:44,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 16:16:44,021 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 16:16:44,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:16:42" (1/3) ... [2021-08-29 16:16:44,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62cdec28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:16:44, skipping insertion in model container [2021-08-29 16:16:44,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:16:43" (2/3) ... [2021-08-29 16:16:44,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62cdec28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:16:44, skipping insertion in model container [2021-08-29 16:16:44,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:16:44" (3/3) ... [2021-08-29 16:16:44,024 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product62.cil.c [2021-08-29 16:16:44,027 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 16:16:44,027 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-29 16:16:44,070 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 16:16:44,075 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-08-29 16:16:44,075 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-29 16:16:44,092 INFO L276 IsEmpty]: Start isEmpty. Operand has 225 states, 221 states have (on average 1.5203619909502262) internal successors, (336), 224 states have internal predecessors, (336), 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) [2021-08-29 16:16:44,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-29 16:16:44,098 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:44,098 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:44,099 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:44,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:44,103 INFO L82 PathProgramCache]: Analyzing trace with hash -2100816283, now seen corresponding path program 1 times [2021-08-29 16:16:44,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:44,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516531203] [2021-08-29 16:16:44,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:44,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:44,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:44,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:44,298 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516531203] [2021-08-29 16:16:44,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516531203] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:44,298 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:44,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:16:44,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822581890] [2021-08-29 16:16:44,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 16:16:44,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:44,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 16:16:44,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:16:44,326 INFO L87 Difference]: Start difference. First operand has 225 states, 221 states have (on average 1.5203619909502262) internal successors, (336), 224 states have internal predecessors, (336), 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) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-08-29 16:16:44,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:44,697 INFO L93 Difference]: Finished difference Result 444 states and 665 transitions. [2021-08-29 16:16:44,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 16:16:44,700 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) Word has length 16 [2021-08-29 16:16:44,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:44,710 INFO L225 Difference]: With dead ends: 444 [2021-08-29 16:16:44,710 INFO L226 Difference]: Without dead ends: 221 [2021-08-29 16:16:44,713 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.02ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 16:16:44,716 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 227.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.92ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 303.16ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:44,717 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 329 Unknown, 0 Unchecked, 2.92ms Time], IncrementalHoareTripleChecker [0 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 303.16ms Time] [2021-08-29 16:16:44,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-08-29 16:16:44,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2021-08-29 16:16:44,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 218 states have (on average 1.4862385321100917) internal successors, (324), 220 states have internal predecessors, (324), 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) [2021-08-29 16:16:44,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 324 transitions. [2021-08-29 16:16:44,750 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 324 transitions. Word has length 16 [2021-08-29 16:16:44,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:44,750 INFO L470 AbstractCegarLoop]: Abstraction has 221 states and 324 transitions. [2021-08-29 16:16:44,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-08-29 16:16:44,750 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 324 transitions. [2021-08-29 16:16:44,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-08-29 16:16:44,751 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:44,751 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:44,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 16:16:44,752 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:44,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:44,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1936571950, now seen corresponding path program 1 times [2021-08-29 16:16:44,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:44,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932118669] [2021-08-29 16:16:44,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:44,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:44,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:44,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:44,809 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932118669] [2021-08-29 16:16:44,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932118669] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:44,809 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:44,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:16:44,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543473775] [2021-08-29 16:16:44,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:16:44,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:44,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:16:44,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:44,811 INFO L87 Difference]: Start difference. First operand 221 states and 324 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-08-29 16:16:44,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:44,930 INFO L93 Difference]: Finished difference Result 221 states and 324 transitions. [2021-08-29 16:16:44,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:16:44,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) Word has length 17 [2021-08-29 16:16:44,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:44,931 INFO L225 Difference]: With dead ends: 221 [2021-08-29 16:16:44,931 INFO L226 Difference]: Without dead ends: 83 [2021-08-29 16:16:44,932 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.19ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:44,932 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 114 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.65ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 109.24ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:44,933 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 0 Invalid, 126 Unknown, 0 Unchecked, 0.65ms Time], IncrementalHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 109.24ms Time] [2021-08-29 16:16:44,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-08-29 16:16:44,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-08-29 16:16:44,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.475609756097561) internal successors, (121), 82 states have internal predecessors, (121), 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) [2021-08-29 16:16:44,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 121 transitions. [2021-08-29 16:16:44,942 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 121 transitions. Word has length 17 [2021-08-29 16:16:44,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:44,943 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 121 transitions. [2021-08-29 16:16:44,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-08-29 16:16:44,943 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2021-08-29 16:16:44,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-29 16:16:44,944 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:44,944 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:44,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 16:16:44,944 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:44,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:44,945 INFO L82 PathProgramCache]: Analyzing trace with hash 810617826, now seen corresponding path program 1 times [2021-08-29 16:16:44,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:44,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574923074] [2021-08-29 16:16:44,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:44,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:44,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:44,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:44,989 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574923074] [2021-08-29 16:16:44,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574923074] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:44,989 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:44,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 16:16:44,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424375610] [2021-08-29 16:16:44,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:16:44,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:44,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:16:44,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:44,990 INFO L87 Difference]: Start difference. First operand 83 states and 121 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-08-29 16:16:45,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:45,099 INFO L93 Difference]: Finished difference Result 160 states and 236 transitions. [2021-08-29 16:16:45,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:16:45,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) Word has length 22 [2021-08-29 16:16:45,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:45,100 INFO L225 Difference]: With dead ends: 160 [2021-08-29 16:16:45,100 INFO L226 Difference]: Without dead ends: 83 [2021-08-29 16:16:45,101 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.41ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:45,101 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 117 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.52ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 99.56ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:45,102 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 0 Invalid, 121 Unknown, 0 Unchecked, 0.52ms Time], IncrementalHoareTripleChecker [1 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 99.56ms Time] [2021-08-29 16:16:45,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-08-29 16:16:45,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-08-29 16:16:45,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.4634146341463414) internal successors, (120), 82 states have internal predecessors, (120), 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) [2021-08-29 16:16:45,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions. [2021-08-29 16:16:45,107 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 22 [2021-08-29 16:16:45,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:45,107 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 120 transitions. [2021-08-29 16:16:45,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-08-29 16:16:45,107 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2021-08-29 16:16:45,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-29 16:16:45,108 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:45,108 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:45,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 16:16:45,108 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:45,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:45,109 INFO L82 PathProgramCache]: Analyzing trace with hash 442460312, now seen corresponding path program 1 times [2021-08-29 16:16:45,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:45,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076816806] [2021-08-29 16:16:45,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:45,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:45,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:45,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:45,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076816806] [2021-08-29 16:16:45,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076816806] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:45,144 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:45,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 16:16:45,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274033668] [2021-08-29 16:16:45,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 16:16:45,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:45,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 16:16:45,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:45,145 INFO L87 Difference]: Start difference. First operand 83 states and 120 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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) [2021-08-29 16:16:45,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:45,282 INFO L93 Difference]: Finished difference Result 166 states and 242 transitions. [2021-08-29 16:16:45,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 16:16:45,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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) Word has length 25 [2021-08-29 16:16:45,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:45,283 INFO L225 Difference]: With dead ends: 166 [2021-08-29 16:16:45,284 INFO L226 Difference]: Without dead ends: 89 [2021-08-29 16:16:45,284 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.23ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 16:16:45,285 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 55 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 95.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.93ms SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 128.73ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:45,285 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 0 Invalid, 149 Unknown, 0 Unchecked, 0.93ms Time], IncrementalHoareTripleChecker [10 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 128.73ms Time] [2021-08-29 16:16:45,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-08-29 16:16:45,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2021-08-29 16:16:45,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.4186046511627908) internal successors, (122), 86 states have internal predecessors, (122), 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) [2021-08-29 16:16:45,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2021-08-29 16:16:45,291 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 25 [2021-08-29 16:16:45,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:45,291 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2021-08-29 16:16:45,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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) [2021-08-29 16:16:45,291 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2021-08-29 16:16:45,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-08-29 16:16:45,292 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:45,292 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:45,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 16:16:45,297 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:45,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:45,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1878336052, now seen corresponding path program 1 times [2021-08-29 16:16:45,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:45,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990979234] [2021-08-29 16:16:45,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:45,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:45,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:45,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:45,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990979234] [2021-08-29 16:16:45,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990979234] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:45,383 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:45,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 16:16:45,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821586489] [2021-08-29 16:16:45,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-29 16:16:45,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:45,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-29 16:16:45,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:16:45,385 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 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) [2021-08-29 16:16:46,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:46,020 INFO L93 Difference]: Finished difference Result 568 states and 818 transitions. [2021-08-29 16:16:46,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-29 16:16:46,021 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 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) Word has length 31 [2021-08-29 16:16:46,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:46,023 INFO L225 Difference]: With dead ends: 568 [2021-08-29 16:16:46,023 INFO L226 Difference]: Without dead ends: 487 [2021-08-29 16:16:46,024 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 51.82ms TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2021-08-29 16:16:46,025 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 610 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 932 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 420.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.71ms SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 542.80ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:46,025 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [610 Valid, 0 Invalid, 958 Unknown, 0 Unchecked, 5.71ms Time], IncrementalHoareTripleChecker [26 Valid, 932 Invalid, 0 Unknown, 0 Unchecked, 542.80ms Time] [2021-08-29 16:16:46,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2021-08-29 16:16:46,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 204. [2021-08-29 16:16:46,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.3940886699507389) internal successors, (283), 203 states have internal predecessors, (283), 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) [2021-08-29 16:16:46,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 283 transitions. [2021-08-29 16:16:46,038 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 283 transitions. Word has length 31 [2021-08-29 16:16:46,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:46,039 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 283 transitions. [2021-08-29 16:16:46,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 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) [2021-08-29 16:16:46,039 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 283 transitions. [2021-08-29 16:16:46,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-08-29 16:16:46,040 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:46,040 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-08-29 16:16:46,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 16:16:46,042 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:46,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:46,043 INFO L82 PathProgramCache]: Analyzing trace with hash 46891967, now seen corresponding path program 1 times [2021-08-29 16:16:46,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:46,043 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40697143] [2021-08-29 16:16:46,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:46,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:46,098 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-29 16:16:46,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:46,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40697143] [2021-08-29 16:16:46,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40697143] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:46,099 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:46,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:16:46,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462995805] [2021-08-29 16:16:46,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:16:46,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:46,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:16:46,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:46,100 INFO L87 Difference]: Start difference. First operand 204 states and 283 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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) [2021-08-29 16:16:46,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:46,385 INFO L93 Difference]: Finished difference Result 540 states and 739 transitions. [2021-08-29 16:16:46,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 16:16:46,385 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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) Word has length 52 [2021-08-29 16:16:46,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:46,386 INFO L225 Difference]: With dead ends: 540 [2021-08-29 16:16:46,386 INFO L226 Difference]: Without dead ends: 342 [2021-08-29 16:16:46,387 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.44ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:16:46,388 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 132 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 197.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.43ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 249.42ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:46,388 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 0 Invalid, 465 Unknown, 0 Unchecked, 1.43ms Time], IncrementalHoareTripleChecker [11 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 249.42ms Time] [2021-08-29 16:16:46,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2021-08-29 16:16:46,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 225. [2021-08-29 16:16:46,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 224 states have (on average 1.3571428571428572) internal successors, (304), 224 states have internal predecessors, (304), 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) [2021-08-29 16:16:46,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 304 transitions. [2021-08-29 16:16:46,398 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 304 transitions. Word has length 52 [2021-08-29 16:16:46,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:46,398 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 304 transitions. [2021-08-29 16:16:46,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 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) [2021-08-29 16:16:46,398 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 304 transitions. [2021-08-29 16:16:46,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-08-29 16:16:46,400 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:46,400 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-08-29 16:16:46,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 16:16:46,400 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:46,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:46,401 INFO L82 PathProgramCache]: Analyzing trace with hash 748491841, now seen corresponding path program 1 times [2021-08-29 16:16:46,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:46,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683755198] [2021-08-29 16:16:46,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:46,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:46,434 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-29 16:16:46,434 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:46,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683755198] [2021-08-29 16:16:46,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683755198] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:46,435 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:46,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 16:16:46,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413991855] [2021-08-29 16:16:46,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 16:16:46,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:46,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 16:16:46,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 16:16:46,436 INFO L87 Difference]: Start difference. First operand 225 states and 304 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-08-29 16:16:46,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:46,647 INFO L93 Difference]: Finished difference Result 476 states and 640 transitions. [2021-08-29 16:16:46,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 16:16:46,648 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) Word has length 52 [2021-08-29 16:16:46,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:46,649 INFO L225 Difference]: With dead ends: 476 [2021-08-29 16:16:46,649 INFO L226 Difference]: Without dead ends: 257 [2021-08-29 16:16:46,650 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.32ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:46,653 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 85 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 133.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.88ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 190.59ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:46,653 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 0 Invalid, 316 Unknown, 0 Unchecked, 0.88ms Time], IncrementalHoareTripleChecker [6 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 190.59ms Time] [2021-08-29 16:16:46,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2021-08-29 16:16:46,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 191. [2021-08-29 16:16:46,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 190 states have (on average 1.3263157894736841) internal successors, (252), 190 states have internal predecessors, (252), 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) [2021-08-29 16:16:46,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 252 transitions. [2021-08-29 16:16:46,663 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 252 transitions. Word has length 52 [2021-08-29 16:16:46,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:46,664 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 252 transitions. [2021-08-29 16:16:46,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-08-29 16:16:46,664 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 252 transitions. [2021-08-29 16:16:46,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-08-29 16:16:46,669 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:46,670 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-08-29 16:16:46,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 16:16:46,670 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:46,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:46,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1947303487, now seen corresponding path program 1 times [2021-08-29 16:16:46,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:46,671 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705655324] [2021-08-29 16:16:46,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:46,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:46,733 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-29 16:16:46,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:46,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705655324] [2021-08-29 16:16:46,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705655324] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:46,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:46,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:16:46,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403664546] [2021-08-29 16:16:46,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 16:16:46,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:46,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 16:16:46,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-29 16:16:46,736 INFO L87 Difference]: Start difference. First operand 191 states and 252 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 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) [2021-08-29 16:16:47,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:47,205 INFO L93 Difference]: Finished difference Result 871 states and 1182 transitions. [2021-08-29 16:16:47,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-29 16:16:47,206 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 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) Word has length 53 [2021-08-29 16:16:47,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:47,208 INFO L225 Difference]: With dead ends: 871 [2021-08-29 16:16:47,208 INFO L226 Difference]: Without dead ends: 686 [2021-08-29 16:16:47,209 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 49.95ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-08-29 16:16:47,209 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 438 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 306.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.94ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 385.69ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:47,209 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [438 Valid, 0 Invalid, 730 Unknown, 0 Unchecked, 2.94ms Time], IncrementalHoareTripleChecker [17 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 385.69ms Time] [2021-08-29 16:16:47,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2021-08-29 16:16:47,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 374. [2021-08-29 16:16:47,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 373 states have (on average 1.3136729222520107) internal successors, (490), 373 states have internal predecessors, (490), 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) [2021-08-29 16:16:47,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 490 transitions. [2021-08-29 16:16:47,238 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 490 transitions. Word has length 53 [2021-08-29 16:16:47,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:47,239 INFO L470 AbstractCegarLoop]: Abstraction has 374 states and 490 transitions. [2021-08-29 16:16:47,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 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) [2021-08-29 16:16:47,240 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 490 transitions. [2021-08-29 16:16:47,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-08-29 16:16:47,240 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:47,241 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-08-29 16:16:47,241 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 16:16:47,241 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:47,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:47,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1332214153, now seen corresponding path program 1 times [2021-08-29 16:16:47,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:47,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912296554] [2021-08-29 16:16:47,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:47,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:47,298 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-29 16:16:47,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:47,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912296554] [2021-08-29 16:16:47,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912296554] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:47,299 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:47,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:16:47,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647326701] [2021-08-29 16:16:47,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:16:47,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:47,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:16:47,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:47,304 INFO L87 Difference]: Start difference. First operand 374 states and 490 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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) [2021-08-29 16:16:47,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:47,762 INFO L93 Difference]: Finished difference Result 1022 states and 1347 transitions. [2021-08-29 16:16:47,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-29 16:16:47,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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) Word has length 54 [2021-08-29 16:16:47,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:47,765 INFO L225 Difference]: With dead ends: 1022 [2021-08-29 16:16:47,765 INFO L226 Difference]: Without dead ends: 1020 [2021-08-29 16:16:47,766 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 20.06ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-29 16:16:47,766 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 333 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 286.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.41ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 379.54ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:47,766 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [333 Valid, 0 Invalid, 709 Unknown, 0 Unchecked, 2.41ms Time], IncrementalHoareTripleChecker [7 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 379.54ms Time] [2021-08-29 16:16:47,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2021-08-29 16:16:47,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 374. [2021-08-29 16:16:47,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 373 states have (on average 1.3083109919571045) internal successors, (488), 373 states have internal predecessors, (488), 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) [2021-08-29 16:16:47,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 488 transitions. [2021-08-29 16:16:47,785 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 488 transitions. Word has length 54 [2021-08-29 16:16:47,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:47,785 INFO L470 AbstractCegarLoop]: Abstraction has 374 states and 488 transitions. [2021-08-29 16:16:47,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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) [2021-08-29 16:16:47,785 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 488 transitions. [2021-08-29 16:16:47,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-08-29 16:16:47,786 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:47,786 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-08-29 16:16:47,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 16:16:47,787 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:47,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:47,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1553978118, now seen corresponding path program 1 times [2021-08-29 16:16:47,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:47,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432338836] [2021-08-29 16:16:47,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:47,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:47,850 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:47,851 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:47,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432338836] [2021-08-29 16:16:47,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432338836] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 16:16:47,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677764088] [2021-08-29 16:16:47,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:47,851 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 16:16:47,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 16:16:47,852 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) [2021-08-29 16:16:47,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-29 16:16:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:47,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-29 16:16:47,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 16:16:48,183 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:48,183 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 16:16:48,283 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 16:16:48,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677764088] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 16:16:48,283 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 16:16:48,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2021-08-29 16:16:48,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311175821] [2021-08-29 16:16:48,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 16:16:48,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:48,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 16:16:48,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-29 16:16:48,285 INFO L87 Difference]: Start difference. First operand 374 states and 488 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2021-08-29 16:16:48,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:48,722 INFO L93 Difference]: Finished difference Result 1114 states and 1467 transitions. [2021-08-29 16:16:48,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-29 16:16:48,722 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) Word has length 60 [2021-08-29 16:16:48,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:48,725 INFO L225 Difference]: With dead ends: 1114 [2021-08-29 16:16:48,725 INFO L226 Difference]: Without dead ends: 796 [2021-08-29 16:16:48,726 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 122 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 33.89ms TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-08-29 16:16:48,726 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 429 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 283.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.51ms SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 362.30ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:48,726 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [429 Valid, 0 Invalid, 674 Unknown, 0 Unchecked, 2.51ms Time], IncrementalHoareTripleChecker [29 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 362.30ms Time] [2021-08-29 16:16:48,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2021-08-29 16:16:48,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 468. [2021-08-29 16:16:48,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 467 states have (on average 1.2933618843683083) internal successors, (604), 467 states have internal predecessors, (604), 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) [2021-08-29 16:16:48,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 604 transitions. [2021-08-29 16:16:48,749 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 604 transitions. Word has length 60 [2021-08-29 16:16:48,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:48,749 INFO L470 AbstractCegarLoop]: Abstraction has 468 states and 604 transitions. [2021-08-29 16:16:48,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2021-08-29 16:16:48,750 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 604 transitions. [2021-08-29 16:16:48,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-08-29 16:16:48,751 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:48,751 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 16:16:48,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-29 16:16:48,968 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 [2021-08-29 16:16:48,969 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:48,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:48,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1156162525, now seen corresponding path program 2 times [2021-08-29 16:16:48,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:48,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625664173] [2021-08-29 16:16:48,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:48,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:49,062 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-08-29 16:16:49,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:49,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625664173] [2021-08-29 16:16:49,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625664173] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:49,063 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:49,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:16:49,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256683015] [2021-08-29 16:16:49,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:16:49,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:49,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:16:49,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:49,065 INFO L87 Difference]: Start difference. First operand 468 states and 604 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2021-08-29 16:16:49,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:49,352 INFO L93 Difference]: Finished difference Result 1412 states and 1840 transitions. [2021-08-29 16:16:49,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:16:49,352 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) Word has length 85 [2021-08-29 16:16:49,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:49,355 INFO L225 Difference]: With dead ends: 1412 [2021-08-29 16:16:49,356 INFO L226 Difference]: Without dead ends: 998 [2021-08-29 16:16:49,356 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.28ms TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-08-29 16:16:49,357 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 280 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 166.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.43ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 223.24ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:49,357 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [280 Valid, 0 Invalid, 414 Unknown, 0 Unchecked, 1.43ms Time], IncrementalHoareTripleChecker [6 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 223.24ms Time] [2021-08-29 16:16:49,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2021-08-29 16:16:49,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 644. [2021-08-29 16:16:49,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 643 states have (on average 1.2799377916018662) internal successors, (823), 643 states have internal predecessors, (823), 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) [2021-08-29 16:16:49,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 823 transitions. [2021-08-29 16:16:49,405 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 823 transitions. Word has length 85 [2021-08-29 16:16:49,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:49,406 INFO L470 AbstractCegarLoop]: Abstraction has 644 states and 823 transitions. [2021-08-29 16:16:49,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2021-08-29 16:16:49,406 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 823 transitions. [2021-08-29 16:16:49,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-08-29 16:16:49,407 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 16:16:49,407 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-08-29 16:16:49,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-29 16:16:49,408 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 16:16:49,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 16:16:49,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1550529311, now seen corresponding path program 1 times [2021-08-29 16:16:49,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 16:16:49,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715053471] [2021-08-29 16:16:49,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 16:16:49,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 16:16:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 16:16:49,449 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-08-29 16:16:49,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 16:16:49,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715053471] [2021-08-29 16:16:49,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715053471] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 16:16:49,449 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 16:16:49,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 16:16:49,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228379666] [2021-08-29 16:16:49,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 16:16:49,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 16:16:49,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 16:16:49,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 16:16:49,451 INFO L87 Difference]: Start difference. First operand 644 states and 823 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2021-08-29 16:16:49,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 16:16:49,736 INFO L93 Difference]: Finished difference Result 1176 states and 1496 transitions. [2021-08-29 16:16:49,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 16:16:49,736 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) Word has length 85 [2021-08-29 16:16:49,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 16:16:49,737 INFO L225 Difference]: With dead ends: 1176 [2021-08-29 16:16:49,737 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 16:16:49,738 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.75ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 16:16:49,738 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 194 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 193.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.17ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 240.47ms IncrementalHoareTripleChecker+Time [2021-08-29 16:16:49,738 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 0 Invalid, 455 Unknown, 0 Unchecked, 1.17ms Time], IncrementalHoareTripleChecker [0 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 240.47ms Time] [2021-08-29 16:16:49,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 16:16:49,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 16:16:49,739 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) [2021-08-29 16:16:49,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 16:16:49,739 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2021-08-29 16:16:49,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 16:16:49,739 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 16:16:49,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2021-08-29 16:16:49,740 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 16:16:49,740 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 16:16:49,742 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-08-29 16:16:49,742 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-08-29 16:16:49,742 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-08-29 16:16:49,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-29 16:16:49,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 16:16:49,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:49,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:49,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:49,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:49,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:49,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:49,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:49,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:49,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:49,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,186 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,186 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:50,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:51,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 16:16:54,553 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-29 16:16:54,553 INFO L854 garLoopResultBuilder]: At program point L433(lines 1 1009) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2021-08-29 16:16:54,554 INFO L854 garLoopResultBuilder]: At program point L368(lines 353 371) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= 1 ~systemActive~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 1) (<= 1 ~waterLevel~0) (= ULTIMATE.start_processEnvironment_~tmp~3 0)) [2021-08-29 16:16:54,554 INFO L854 garLoopResultBuilder]: At program point L368-1(lines 353 371) the Hoare annotation is: false [2021-08-29 16:16:54,554 INFO L854 garLoopResultBuilder]: At program point L368-2(lines 353 371) the Hoare annotation is: false [2021-08-29 16:16:54,554 INFO L854 garLoopResultBuilder]: At program point L368-3(lines 353 371) the Hoare annotation is: false [2021-08-29 16:16:54,554 INFO L854 garLoopResultBuilder]: At program point L368-4(lines 353 371) the Hoare annotation is: false [2021-08-29 16:16:54,554 INFO L854 garLoopResultBuilder]: At program point L368-5(lines 353 371) the Hoare annotation is: false [2021-08-29 16:16:54,554 INFO L858 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2021-08-29 16:16:54,554 INFO L854 garLoopResultBuilder]: At program point L104-2(lines 140 146) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) (and .cse0 (<= 2 ~waterLevel~0) (= 1 ~systemActive~0)))) [2021-08-29 16:16:54,554 INFO L858 garLoopResultBuilder]: For program point L172(lines 172 189) no Hoare annotation was computed. [2021-08-29 16:16:54,554 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 172 189) no Hoare annotation was computed. [2021-08-29 16:16:54,554 INFO L858 garLoopResultBuilder]: For program point L172-2(lines 172 189) no Hoare annotation was computed. [2021-08-29 16:16:54,554 INFO L858 garLoopResultBuilder]: For program point L172-3(lines 172 189) no Hoare annotation was computed. [2021-08-29 16:16:54,554 INFO L858 garLoopResultBuilder]: For program point L172-4(lines 172 189) no Hoare annotation was computed. [2021-08-29 16:16:54,555 INFO L858 garLoopResultBuilder]: For program point L172-5(lines 172 189) no Hoare annotation was computed. [2021-08-29 16:16:54,555 INFO L858 garLoopResultBuilder]: For program point L172-6(lines 172 189) no Hoare annotation was computed. [2021-08-29 16:16:54,555 INFO L858 garLoopResultBuilder]: For program point L172-7(lines 172 189) no Hoare annotation was computed. [2021-08-29 16:16:54,555 INFO L858 garLoopResultBuilder]: For program point L172-8(lines 172 189) no Hoare annotation was computed. [2021-08-29 16:16:54,555 INFO L858 garLoopResultBuilder]: For program point L172-9(lines 172 189) no Hoare annotation was computed. [2021-08-29 16:16:54,555 INFO L858 garLoopResultBuilder]: For program point L172-10(lines 172 189) no Hoare annotation was computed. [2021-08-29 16:16:54,555 INFO L858 garLoopResultBuilder]: For program point L172-11(lines 172 189) no Hoare annotation was computed. [2021-08-29 16:16:54,555 INFO L854 garLoopResultBuilder]: At program point L505(lines 501 507) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2021-08-29 16:16:54,555 INFO L858 garLoopResultBuilder]: For program point L176(lines 176 184) no Hoare annotation was computed. [2021-08-29 16:16:54,555 INFO L858 garLoopResultBuilder]: For program point L176-1(lines 176 184) no Hoare annotation was computed. [2021-08-29 16:16:54,555 INFO L858 garLoopResultBuilder]: For program point L176-2(lines 176 184) no Hoare annotation was computed. [2021-08-29 16:16:54,555 INFO L858 garLoopResultBuilder]: For program point L176-3(lines 176 184) no Hoare annotation was computed. [2021-08-29 16:16:54,555 INFO L858 garLoopResultBuilder]: For program point L176-4(lines 176 184) no Hoare annotation was computed. [2021-08-29 16:16:54,555 INFO L858 garLoopResultBuilder]: For program point L176-5(lines 176 184) no Hoare annotation was computed. [2021-08-29 16:16:54,555 INFO L858 garLoopResultBuilder]: For program point L176-6(lines 176 184) no Hoare annotation was computed. [2021-08-29 16:16:54,556 INFO L858 garLoopResultBuilder]: For program point L176-7(lines 176 184) no Hoare annotation was computed. [2021-08-29 16:16:54,556 INFO L858 garLoopResultBuilder]: For program point L176-8(lines 176 184) no Hoare annotation was computed. [2021-08-29 16:16:54,556 INFO L858 garLoopResultBuilder]: For program point L176-9(lines 176 184) no Hoare annotation was computed. [2021-08-29 16:16:54,556 INFO L858 garLoopResultBuilder]: For program point L176-10(lines 176 184) no Hoare annotation was computed. [2021-08-29 16:16:54,556 INFO L858 garLoopResultBuilder]: For program point L176-11(lines 176 184) no Hoare annotation was computed. [2021-08-29 16:16:54,556 INFO L854 garLoopResultBuilder]: At program point L441(lines 436 444) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2021-08-29 16:16:54,556 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-08-29 16:16:54,556 INFO L858 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-08-29 16:16:54,556 INFO L858 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-08-29 16:16:54,556 INFO L854 garLoopResultBuilder]: At program point L114(lines 65 115) the Hoare annotation is: false [2021-08-29 16:16:54,556 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 918) no Hoare annotation was computed. [2021-08-29 16:16:54,556 INFO L858 garLoopResultBuilder]: For program point L914-3(lines 914 918) no Hoare annotation was computed. [2021-08-29 16:16:54,556 INFO L858 garLoopResultBuilder]: For program point L914-6(lines 914 918) no Hoare annotation was computed. [2021-08-29 16:16:54,556 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 16:16:54,556 INFO L854 garLoopResultBuilder]: At program point L983(lines 978 986) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2))) [2021-08-29 16:16:54,556 INFO L854 garLoopResultBuilder]: At program point L983-1(lines 978 986) the Hoare annotation is: false [2021-08-29 16:16:54,556 INFO L854 garLoopResultBuilder]: At program point L983-2(lines 978 986) the Hoare annotation is: false [2021-08-29 16:16:54,557 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 403) no Hoare annotation was computed. [2021-08-29 16:16:54,557 INFO L854 garLoopResultBuilder]: At program point L390-1(lines 1 1009) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7)) (.cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse4 (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) (and .cse0 .cse4 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3))) [2021-08-29 16:16:54,557 INFO L858 garLoopResultBuilder]: For program point L390-2(lines 390 403) no Hoare annotation was computed. [2021-08-29 16:16:54,557 INFO L854 garLoopResultBuilder]: At program point L390-3(lines 1 1009) the Hoare annotation is: false [2021-08-29 16:16:54,557 INFO L858 garLoopResultBuilder]: For program point L390-4(lines 390 403) no Hoare annotation was computed. [2021-08-29 16:16:54,557 INFO L854 garLoopResultBuilder]: At program point L390-5(lines 1 1009) the Hoare annotation is: false [2021-08-29 16:16:54,557 INFO L854 garLoopResultBuilder]: At program point L457-2(lines 457 471) the Hoare annotation is: false [2021-08-29 16:16:54,557 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-08-29 16:16:54,557 INFO L858 garLoopResultBuilder]: For program point L260(lines 260 266) no Hoare annotation was computed. [2021-08-29 16:16:54,557 INFO L858 garLoopResultBuilder]: For program point L260-2(lines 260 266) no Hoare annotation was computed. [2021-08-29 16:16:54,557 INFO L858 garLoopResultBuilder]: For program point L260-4(lines 260 266) no Hoare annotation was computed. [2021-08-29 16:16:54,557 INFO L858 garLoopResultBuilder]: For program point L260-6(lines 260 266) no Hoare annotation was computed. [2021-08-29 16:16:54,557 INFO L858 garLoopResultBuilder]: For program point L260-8(lines 260 266) no Hoare annotation was computed. [2021-08-29 16:16:54,557 INFO L858 garLoopResultBuilder]: For program point L260-10(lines 260 266) no Hoare annotation was computed. [2021-08-29 16:16:54,557 INFO L858 garLoopResultBuilder]: For program point L260-12(lines 260 266) no Hoare annotation was computed. [2021-08-29 16:16:54,557 INFO L858 garLoopResultBuilder]: For program point L260-14(lines 260 266) no Hoare annotation was computed. [2021-08-29 16:16:54,557 INFO L858 garLoopResultBuilder]: For program point L260-16(lines 260 266) no Hoare annotation was computed. [2021-08-29 16:16:54,557 INFO L858 garLoopResultBuilder]: For program point L260-18(lines 260 266) no Hoare annotation was computed. [2021-08-29 16:16:54,557 INFO L858 garLoopResultBuilder]: For program point L260-20(lines 260 266) no Hoare annotation was computed. [2021-08-29 16:16:54,558 INFO L858 garLoopResultBuilder]: For program point L260-22(lines 260 266) no Hoare annotation was computed. [2021-08-29 16:16:54,558 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 400) no Hoare annotation was computed. [2021-08-29 16:16:54,558 INFO L858 garLoopResultBuilder]: For program point L394-2(lines 394 400) no Hoare annotation was computed. [2021-08-29 16:16:54,558 INFO L858 garLoopResultBuilder]: For program point L394-4(lines 394 400) no Hoare annotation was computed. [2021-08-29 16:16:54,558 INFO L858 garLoopResultBuilder]: For program point L461(lines 461 465) no Hoare annotation was computed. [2021-08-29 16:16:54,558 INFO L858 garLoopResultBuilder]: For program point L461-1(lines 140 146) no Hoare annotation was computed. [2021-08-29 16:16:54,558 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 16:16:54,558 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-29 16:16:54,558 INFO L858 garLoopResultBuilder]: For program point L528(lines 528 535) no Hoare annotation was computed. [2021-08-29 16:16:54,558 INFO L861 garLoopResultBuilder]: At program point L528-1(lines 528 535) the Hoare annotation is: true [2021-08-29 16:16:54,558 INFO L858 garLoopResultBuilder]: For program point L198(lines 198 215) no Hoare annotation was computed. [2021-08-29 16:16:54,558 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 198 215) no Hoare annotation was computed. [2021-08-29 16:16:54,558 INFO L858 garLoopResultBuilder]: For program point L198-2(lines 198 215) no Hoare annotation was computed. [2021-08-29 16:16:54,558 INFO L858 garLoopResultBuilder]: For program point L198-3(lines 198 215) no Hoare annotation was computed. [2021-08-29 16:16:54,558 INFO L858 garLoopResultBuilder]: For program point L198-4(lines 198 215) no Hoare annotation was computed. [2021-08-29 16:16:54,558 INFO L858 garLoopResultBuilder]: For program point L198-5(lines 198 215) no Hoare annotation was computed. [2021-08-29 16:16:54,558 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 997) no Hoare annotation was computed. [2021-08-29 16:16:54,558 INFO L858 garLoopResultBuilder]: For program point L991-1(lines 991 997) no Hoare annotation was computed. [2021-08-29 16:16:54,558 INFO L858 garLoopResultBuilder]: For program point L991-2(lines 991 997) no Hoare annotation was computed. [2021-08-29 16:16:54,559 INFO L858 garLoopResultBuilder]: For program point L991-3(lines 991 997) no Hoare annotation was computed. [2021-08-29 16:16:54,559 INFO L858 garLoopResultBuilder]: For program point L991-4(lines 991 997) no Hoare annotation was computed. [2021-08-29 16:16:54,559 INFO L858 garLoopResultBuilder]: For program point L991-5(lines 991 997) no Hoare annotation was computed. [2021-08-29 16:16:54,559 INFO L858 garLoopResultBuilder]: For program point L991-6(lines 991 997) no Hoare annotation was computed. [2021-08-29 16:16:54,559 INFO L858 garLoopResultBuilder]: For program point L991-7(lines 991 997) no Hoare annotation was computed. [2021-08-29 16:16:54,559 INFO L858 garLoopResultBuilder]: For program point L991-8(lines 991 997) no Hoare annotation was computed. [2021-08-29 16:16:54,559 INFO L858 garLoopResultBuilder]: For program point L991-9(lines 991 997) no Hoare annotation was computed. [2021-08-29 16:16:54,559 INFO L858 garLoopResultBuilder]: For program point L991-10(lines 991 997) no Hoare annotation was computed. [2021-08-29 16:16:54,559 INFO L858 garLoopResultBuilder]: For program point L991-11(lines 991 997) no Hoare annotation was computed. [2021-08-29 16:16:54,559 INFO L858 garLoopResultBuilder]: For program point L67(lines 66 113) no Hoare annotation was computed. [2021-08-29 16:16:54,559 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 930) no Hoare annotation was computed. [2021-08-29 16:16:54,559 INFO L858 garLoopResultBuilder]: For program point L68(lines 68 72) no Hoare annotation was computed. [2021-08-29 16:16:54,559 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 210) no Hoare annotation was computed. [2021-08-29 16:16:54,559 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 202 210) no Hoare annotation was computed. [2021-08-29 16:16:54,559 INFO L858 garLoopResultBuilder]: For program point L202-2(lines 202 210) no Hoare annotation was computed. [2021-08-29 16:16:54,559 INFO L858 garLoopResultBuilder]: For program point L202-3(lines 202 210) no Hoare annotation was computed. [2021-08-29 16:16:54,559 INFO L858 garLoopResultBuilder]: For program point L202-4(lines 202 210) no Hoare annotation was computed. [2021-08-29 16:16:54,559 INFO L858 garLoopResultBuilder]: For program point L202-5(lines 202 210) no Hoare annotation was computed. [2021-08-29 16:16:54,560 INFO L854 garLoopResultBuilder]: At program point L996(lines 987 1000) the Hoare annotation is: false [2021-08-29 16:16:54,560 INFO L854 garLoopResultBuilder]: At program point L996-1(lines 987 1000) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_processEnvironment_~tmp~3 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 (<= 1 ~waterLevel~0) .cse3))) [2021-08-29 16:16:54,561 INFO L854 garLoopResultBuilder]: At program point L996-2(lines 987 1000) the Hoare annotation is: false [2021-08-29 16:16:54,561 INFO L854 garLoopResultBuilder]: At program point L996-3(lines 987 1000) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2))) [2021-08-29 16:16:54,561 INFO L854 garLoopResultBuilder]: At program point L996-4(lines 987 1000) the Hoare annotation is: false [2021-08-29 16:16:54,561 INFO L854 garLoopResultBuilder]: At program point L996-5(lines 987 1000) the Hoare annotation is: false [2021-08-29 16:16:54,561 INFO L854 garLoopResultBuilder]: At program point L996-6(lines 987 1000) the Hoare annotation is: false [2021-08-29 16:16:54,561 INFO L854 garLoopResultBuilder]: At program point L996-7(lines 987 1000) the Hoare annotation is: false [2021-08-29 16:16:54,561 INFO L854 garLoopResultBuilder]: At program point L996-8(lines 987 1000) the Hoare annotation is: false [2021-08-29 16:16:54,561 INFO L854 garLoopResultBuilder]: At program point L996-9(lines 987 1000) the Hoare annotation is: false [2021-08-29 16:16:54,562 INFO L854 garLoopResultBuilder]: At program point L996-10(lines 987 1000) the Hoare annotation is: false [2021-08-29 16:16:54,562 INFO L854 garLoopResultBuilder]: At program point L996-11(lines 987 1000) the Hoare annotation is: false [2021-08-29 16:16:54,562 INFO L854 garLoopResultBuilder]: At program point L140(lines 139 158) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-08-29 16:16:54,562 INFO L858 garLoopResultBuilder]: For program point L140-1(lines 140 146) no Hoare annotation was computed. [2021-08-29 16:16:54,562 INFO L854 garLoopResultBuilder]: At program point L140-2(lines 139 158) the Hoare annotation is: false [2021-08-29 16:16:54,562 INFO L854 garLoopResultBuilder]: At program point L140-3(lines 139 158) the Hoare annotation is: false [2021-08-29 16:16:54,562 INFO L861 garLoopResultBuilder]: At program point L537(lines 518 540) the Hoare annotation is: true [2021-08-29 16:16:54,562 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-08-29 16:16:54,563 INFO L858 garLoopResultBuilder]: For program point L76(lines 76 82) no Hoare annotation was computed. [2021-08-29 16:16:54,563 INFO L854 garLoopResultBuilder]: At program point L76-1(lines 76 82) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~waterLevel~0 1)) (.cse3 (= ~waterLevel~0 ~systemActive~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7) .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3) (and .cse0 (<= 2 ~waterLevel~0) (= 1 ~systemActive~0)))) [2021-08-29 16:16:54,563 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 347) no Hoare annotation was computed. [2021-08-29 16:16:54,563 INFO L858 garLoopResultBuilder]: For program point L343-2(lines 343 347) no Hoare annotation was computed. [2021-08-29 16:16:54,563 INFO L858 garLoopResultBuilder]: For program point L343-3(lines 343 347) no Hoare annotation was computed. [2021-08-29 16:16:54,563 INFO L858 garLoopResultBuilder]: For program point L343-5(lines 343 347) no Hoare annotation was computed. [2021-08-29 16:16:54,563 INFO L858 garLoopResultBuilder]: For program point L343-6(lines 343 347) no Hoare annotation was computed. [2021-08-29 16:16:54,563 INFO L858 garLoopResultBuilder]: For program point L343-8(lines 343 347) no Hoare annotation was computed. [2021-08-29 16:16:54,563 INFO L858 garLoopResultBuilder]: For program point L343-9(lines 343 347) no Hoare annotation was computed. [2021-08-29 16:16:54,564 INFO L858 garLoopResultBuilder]: For program point L343-11(lines 343 347) no Hoare annotation was computed. [2021-08-29 16:16:54,564 INFO L858 garLoopResultBuilder]: For program point L343-12(lines 343 347) no Hoare annotation was computed. [2021-08-29 16:16:54,564 INFO L858 garLoopResultBuilder]: For program point L938(lines 938 942) no Hoare annotation was computed. [2021-08-29 16:16:54,564 INFO L858 garLoopResultBuilder]: For program point L343-14(lines 343 347) no Hoare annotation was computed. [2021-08-29 16:16:54,564 INFO L858 garLoopResultBuilder]: For program point L343-15(lines 343 347) no Hoare annotation was computed. [2021-08-29 16:16:54,564 INFO L858 garLoopResultBuilder]: For program point L343-17(lines 343 347) no Hoare annotation was computed. [2021-08-29 16:16:54,564 INFO L858 garLoopResultBuilder]: For program point L343-18(lines 343 347) no Hoare annotation was computed. [2021-08-29 16:16:54,564 INFO L858 garLoopResultBuilder]: For program point L343-20(lines 343 347) no Hoare annotation was computed. [2021-08-29 16:16:54,565 INFO L858 garLoopResultBuilder]: For program point L343-21(lines 343 347) no Hoare annotation was computed. [2021-08-29 16:16:54,565 INFO L858 garLoopResultBuilder]: For program point L343-23(lines 343 347) no Hoare annotation was computed. [2021-08-29 16:16:54,565 INFO L858 garLoopResultBuilder]: For program point L343-24(lines 343 347) no Hoare annotation was computed. [2021-08-29 16:16:54,565 INFO L858 garLoopResultBuilder]: For program point L343-26(lines 343 347) no Hoare annotation was computed. [2021-08-29 16:16:54,565 INFO L858 garLoopResultBuilder]: For program point L343-27(lines 343 347) no Hoare annotation was computed. [2021-08-29 16:16:54,565 INFO L858 garLoopResultBuilder]: For program point L343-29(lines 343 347) no Hoare annotation was computed. [2021-08-29 16:16:54,565 INFO L858 garLoopResultBuilder]: For program point L343-30(lines 343 347) no Hoare annotation was computed. [2021-08-29 16:16:54,565 INFO L858 garLoopResultBuilder]: For program point L343-32(lines 343 347) no Hoare annotation was computed. [2021-08-29 16:16:54,565 INFO L858 garLoopResultBuilder]: For program point L343-33(lines 343 347) no Hoare annotation was computed. [2021-08-29 16:16:54,566 INFO L858 garLoopResultBuilder]: For program point L343-35(lines 343 347) no Hoare annotation was computed. [2021-08-29 16:16:54,566 INFO L854 garLoopResultBuilder]: At program point L147(lines 147 153) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2021-08-29 16:16:54,566 INFO L854 garLoopResultBuilder]: At program point L147-1(lines 147 153) the Hoare annotation is: false [2021-08-29 16:16:54,566 INFO L854 garLoopResultBuilder]: At program point L147-2(lines 147 153) the Hoare annotation is: false [2021-08-29 16:16:54,566 INFO L854 garLoopResultBuilder]: At program point L1006(lines 1001 1009) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_processEnvironment_~tmp~3 0)) [2021-08-29 16:16:54,566 INFO L854 garLoopResultBuilder]: At program point L1006-1(lines 1001 1009) the Hoare annotation is: false [2021-08-29 16:16:54,566 INFO L854 garLoopResultBuilder]: At program point L1006-2(lines 1001 1009) the Hoare annotation is: false [2021-08-29 16:16:54,566 INFO L854 garLoopResultBuilder]: At program point L1006-3(lines 1001 1009) the Hoare annotation is: false [2021-08-29 16:16:54,567 INFO L854 garLoopResultBuilder]: At program point L1006-4(lines 1001 1009) the Hoare annotation is: false [2021-08-29 16:16:54,567 INFO L854 garLoopResultBuilder]: At program point L1006-5(lines 1001 1009) the Hoare annotation is: false [2021-08-29 16:16:54,567 INFO L854 garLoopResultBuilder]: At program point L349(lines 334 352) the Hoare annotation is: false [2021-08-29 16:16:54,567 INFO L854 garLoopResultBuilder]: At program point L349-1(lines 334 352) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_processEnvironment_~tmp~3 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 (<= 1 ~waterLevel~0) .cse3))) [2021-08-29 16:16:54,567 INFO L854 garLoopResultBuilder]: At program point L349-2(lines 334 352) the Hoare annotation is: false [2021-08-29 16:16:54,567 INFO L854 garLoopResultBuilder]: At program point L349-3(lines 334 352) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 (<= 1 ~waterLevel~0)))) [2021-08-29 16:16:54,567 INFO L854 garLoopResultBuilder]: At program point L349-4(lines 334 352) the Hoare annotation is: false [2021-08-29 16:16:54,567 INFO L854 garLoopResultBuilder]: At program point L349-5(lines 334 352) the Hoare annotation is: false [2021-08-29 16:16:54,568 INFO L854 garLoopResultBuilder]: At program point L349-6(lines 334 352) the Hoare annotation is: false [2021-08-29 16:16:54,568 INFO L854 garLoopResultBuilder]: At program point L349-7(lines 334 352) the Hoare annotation is: false [2021-08-29 16:16:54,568 INFO L854 garLoopResultBuilder]: At program point L349-8(lines 334 352) the Hoare annotation is: false [2021-08-29 16:16:54,568 INFO L854 garLoopResultBuilder]: At program point L349-9(lines 334 352) the Hoare annotation is: false [2021-08-29 16:16:54,569 INFO L854 garLoopResultBuilder]: At program point L349-10(lines 334 352) the Hoare annotation is: false [2021-08-29 16:16:54,569 INFO L854 garLoopResultBuilder]: At program point L349-11(lines 334 352) the Hoare annotation is: false [2021-08-29 16:16:54,569 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 16:16:54,569 INFO L858 garLoopResultBuilder]: For program point L86(lines 86 92) no Hoare annotation was computed. [2021-08-29 16:16:54,569 INFO L854 garLoopResultBuilder]: At program point L86-1(lines 86 92) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) (and .cse0 (<= 2 ~waterLevel~0) (= 1 ~systemActive~0)))) [2021-08-29 16:16:54,569 INFO L854 garLoopResultBuilder]: At program point L285(lines 278 288) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-08-29 16:16:54,569 INFO L854 garLoopResultBuilder]: At program point L285-1(lines 278 288) the Hoare annotation is: false [2021-08-29 16:16:54,569 INFO L854 garLoopResultBuilder]: At program point L285-2(lines 278 288) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) (= ULTIMATE.start_processEnvironment_~tmp~3 0)) [2021-08-29 16:16:54,569 INFO L854 garLoopResultBuilder]: At program point L285-3(lines 278 288) the Hoare annotation is: false [2021-08-29 16:16:54,570 INFO L854 garLoopResultBuilder]: At program point L285-4(lines 278 288) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= 1 ~systemActive~0)) [2021-08-29 16:16:54,570 INFO L854 garLoopResultBuilder]: At program point L285-5(lines 278 288) the Hoare annotation is: false [2021-08-29 16:16:54,570 INFO L854 garLoopResultBuilder]: At program point L285-6(lines 278 288) the Hoare annotation is: false [2021-08-29 16:16:54,570 INFO L854 garLoopResultBuilder]: At program point L285-7(lines 278 288) the Hoare annotation is: false [2021-08-29 16:16:54,570 INFO L854 garLoopResultBuilder]: At program point L285-8(lines 278 288) the Hoare annotation is: false [2021-08-29 16:16:54,570 INFO L854 garLoopResultBuilder]: At program point L285-9(lines 278 288) the Hoare annotation is: false [2021-08-29 16:16:54,570 INFO L854 garLoopResultBuilder]: At program point L285-10(lines 278 288) the Hoare annotation is: false [2021-08-29 16:16:54,570 INFO L854 garLoopResultBuilder]: At program point L285-11(lines 278 288) the Hoare annotation is: false [2021-08-29 16:16:54,571 INFO L854 garLoopResultBuilder]: At program point L285-12(lines 278 288) the Hoare annotation is: false [2021-08-29 16:16:54,571 INFO L854 garLoopResultBuilder]: At program point L285-13(lines 278 288) the Hoare annotation is: false [2021-08-29 16:16:54,571 INFO L854 garLoopResultBuilder]: At program point L285-14(lines 278 288) the Hoare annotation is: false [2021-08-29 16:16:54,571 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 241) no Hoare annotation was computed. [2021-08-29 16:16:54,571 INFO L858 garLoopResultBuilder]: For program point L224-1(lines 224 241) no Hoare annotation was computed. [2021-08-29 16:16:54,571 INFO L858 garLoopResultBuilder]: For program point L224-2(lines 224 241) no Hoare annotation was computed. [2021-08-29 16:16:54,571 INFO L854 garLoopResultBuilder]: At program point L951(lines 946 954) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-08-29 16:16:54,571 INFO L854 garLoopResultBuilder]: At program point L951-1(lines 946 954) the Hoare annotation is: false [2021-08-29 16:16:54,571 INFO L854 garLoopResultBuilder]: At program point L951-2(lines 946 954) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) (= ULTIMATE.start_processEnvironment_~tmp~3 0)) [2021-08-29 16:16:54,572 INFO L854 garLoopResultBuilder]: At program point L951-3(lines 946 954) the Hoare annotation is: false [2021-08-29 16:16:54,572 INFO L854 garLoopResultBuilder]: At program point L951-4(lines 946 954) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= 1 ~systemActive~0)) [2021-08-29 16:16:54,572 INFO L854 garLoopResultBuilder]: At program point L951-5(lines 946 954) the Hoare annotation is: false [2021-08-29 16:16:54,572 INFO L854 garLoopResultBuilder]: At program point L951-6(lines 946 954) the Hoare annotation is: false [2021-08-29 16:16:54,572 INFO L854 garLoopResultBuilder]: At program point L951-7(lines 946 954) the Hoare annotation is: false [2021-08-29 16:16:54,572 INFO L854 garLoopResultBuilder]: At program point L951-8(lines 946 954) the Hoare annotation is: false [2021-08-29 16:16:54,572 INFO L854 garLoopResultBuilder]: At program point L951-9(lines 946 954) the Hoare annotation is: false [2021-08-29 16:16:54,573 INFO L854 garLoopResultBuilder]: At program point L951-10(lines 946 954) the Hoare annotation is: false [2021-08-29 16:16:54,573 INFO L854 garLoopResultBuilder]: At program point L951-11(lines 946 954) the Hoare annotation is: false [2021-08-29 16:16:54,573 INFO L854 garLoopResultBuilder]: At program point L951-12(lines 946 954) the Hoare annotation is: false [2021-08-29 16:16:54,573 INFO L854 garLoopResultBuilder]: At program point L951-13(lines 946 954) the Hoare annotation is: false [2021-08-29 16:16:54,573 INFO L854 garLoopResultBuilder]: At program point L951-14(lines 946 954) the Hoare annotation is: false [2021-08-29 16:16:54,573 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 16:16:54,573 INFO L854 garLoopResultBuilder]: At program point L294(lines 289 297) the Hoare annotation is: false [2021-08-29 16:16:54,573 INFO L854 garLoopResultBuilder]: At program point L294-1(lines 289 297) the Hoare annotation is: false [2021-08-29 16:16:54,573 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 236) no Hoare annotation was computed. [2021-08-29 16:16:54,574 INFO L854 garLoopResultBuilder]: At program point L294-2(lines 289 297) the Hoare annotation is: false [2021-08-29 16:16:54,574 INFO L858 garLoopResultBuilder]: For program point L228-1(lines 228 236) no Hoare annotation was computed. [2021-08-29 16:16:54,574 INFO L858 garLoopResultBuilder]: For program point L228-2(lines 228 236) no Hoare annotation was computed. [2021-08-29 16:16:54,574 INFO L858 garLoopResultBuilder]: For program point L96(lines 96 109) no Hoare annotation was computed. [2021-08-29 16:16:54,574 INFO L858 garLoopResultBuilder]: For program point L362(lines 362 366) no Hoare annotation was computed. [2021-08-29 16:16:54,574 INFO L858 garLoopResultBuilder]: For program point L362-2(lines 362 366) no Hoare annotation was computed. [2021-08-29 16:16:54,574 INFO L858 garLoopResultBuilder]: For program point L362-3(lines 362 366) no Hoare annotation was computed. [2021-08-29 16:16:54,574 INFO L858 garLoopResultBuilder]: For program point L362-5(lines 362 366) no Hoare annotation was computed. [2021-08-29 16:16:54,574 INFO L858 garLoopResultBuilder]: For program point L362-6(lines 362 366) no Hoare annotation was computed. [2021-08-29 16:16:54,575 INFO L858 garLoopResultBuilder]: For program point L362-8(lines 362 366) no Hoare annotation was computed. [2021-08-29 16:16:54,575 INFO L858 garLoopResultBuilder]: For program point L362-9(lines 362 366) no Hoare annotation was computed. [2021-08-29 16:16:54,575 INFO L858 garLoopResultBuilder]: For program point L362-11(lines 362 366) no Hoare annotation was computed. [2021-08-29 16:16:54,575 INFO L858 garLoopResultBuilder]: For program point L362-12(lines 362 366) no Hoare annotation was computed. [2021-08-29 16:16:54,575 INFO L858 garLoopResultBuilder]: For program point L362-14(lines 362 366) no Hoare annotation was computed. [2021-08-29 16:16:54,575 INFO L858 garLoopResultBuilder]: For program point L362-15(lines 362 366) no Hoare annotation was computed. [2021-08-29 16:16:54,575 INFO L858 garLoopResultBuilder]: For program point L362-17(lines 362 366) no Hoare annotation was computed. [2021-08-29 16:16:54,579 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 16:16:54,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 04:16:54 BoogieIcfgContainer [2021-08-29 16:16:54,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 16:16:54,610 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 16:16:54,610 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 16:16:54,610 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 16:16:54,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:16:44" (3/4) ... [2021-08-29 16:16:54,612 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 16:16:54,633 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-08-29 16:16:54,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-08-29 16:16:54,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-29 16:16:54,636 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-29 16:16:54,637 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-08-29 16:16:54,638 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:16:54,639 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 16:16:54,656 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel == 1) && waterLevel == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) [2021-08-29 16:16:54,656 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= tmp) && waterLevel == 1) && waterLevel == systemActive) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel == 1) && waterLevel == systemActive)) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) [2021-08-29 16:16:54,659 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) && 1 <= \result) [2021-08-29 16:16:54,665 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-08-29 16:16:54,667 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) || (((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) [2021-08-29 16:16:54,667 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && \result == 0) && 1 == systemActive) && 1 <= waterLevel) && tmp == 0 [2021-08-29 16:16:54,667 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) && tmp == 0) [2021-08-29 16:16:54,668 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && splverifierCounter == 0) && \result == 0) && 1 == systemActive) && tmp == 0) && tmp___0 == 1) && 1 <= waterLevel) && tmp == 0 [2021-08-29 16:16:54,668 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) || ((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) && tmp == 0) [2021-08-29 16:16:54,720 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 16:16:54,721 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 16:16:54,721 INFO L158 Benchmark]: Toolchain (without parser) took 11732.45ms. Allocated memory was 58.7MB in the beginning and 226.5MB in the end (delta: 167.8MB). Free memory was 36.5MB in the beginning and 78.9MB in the end (delta: -42.4MB). Peak memory consumption was 126.9MB. Max. memory is 16.1GB. [2021-08-29 16:16:54,721 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 16:16:54,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.89ms. Allocated memory is still 58.7MB. Free memory was 36.4MB in the beginning and 33.6MB in the end (delta: 2.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-29 16:16:54,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.41ms. Allocated memory is still 58.7MB. Free memory was 33.6MB in the beginning and 27.8MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-29 16:16:54,722 INFO L158 Benchmark]: Boogie Preprocessor took 72.72ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 27.8MB in the beginning and 50.4MB in the end (delta: -22.6MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2021-08-29 16:16:54,723 INFO L158 Benchmark]: RCFGBuilder took 536.41ms. Allocated memory is still 71.3MB. Free memory was 50.4MB in the beginning and 40.1MB in the end (delta: 10.3MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2021-08-29 16:16:54,723 INFO L158 Benchmark]: TraceAbstraction took 10590.31ms. Allocated memory was 71.3MB in the beginning and 226.5MB in the end (delta: 155.2MB). Free memory was 39.7MB in the beginning and 98.0MB in the end (delta: -58.3MB). Peak memory consumption was 107.4MB. Max. memory is 16.1GB. [2021-08-29 16:16:54,724 INFO L158 Benchmark]: Witness Printer took 110.93ms. Allocated memory is still 226.5MB. Free memory was 98.0MB in the beginning and 78.9MB in the end (delta: 19.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-08-29 16:16:54,725 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.89ms. Allocated memory is still 58.7MB. Free memory was 36.4MB in the beginning and 33.6MB in the end (delta: 2.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.41ms. Allocated memory is still 58.7MB. Free memory was 33.6MB in the beginning and 27.8MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.72ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 27.8MB in the beginning and 50.4MB in the end (delta: -22.6MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * RCFGBuilder took 536.41ms. Allocated memory is still 71.3MB. Free memory was 50.4MB in the beginning and 40.1MB in the end (delta: 10.3MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * TraceAbstraction took 10590.31ms. Allocated memory was 71.3MB in the beginning and 226.5MB in the end (delta: 155.2MB). Free memory was 39.7MB in the beginning and 98.0MB in the end (delta: -58.3MB). Peak memory consumption was 107.4MB. Max. memory is 16.1GB. * Witness Printer took 110.93ms. Allocated memory is still 226.5MB. Free memory was 98.0MB in the beginning and 78.9MB in the end (delta: 19.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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 1 procedures, 225 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 10510.34ms, OverallIterations: 12, TraceHistogramMax: 3, EmptinessCheckTime: 23.50ms, AutomataDifference: 3904.67ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 4810.25ms, InitialAbstractionConstructionTime: 12.28ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2787 SdHoareTripleChecker+Valid, 3214.73ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2787 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 2474.13ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2996 mSDsCounter, 113 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5333 IncrementalHoareTripleChecker+Invalid, 5446 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 113 mSolverCounterUnsat, 0 mSDtfsCounter, 5333 mSolverCounterSat, 23.49ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 210 GetRequests, 150 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 214.35ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=644occurred in iteration=11, InterpolantAutomatonStates: 71, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 186.35ms AutomataMinimizationTime, 12 MinimizatonAttempts, 2108 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 91 LocationsWithAnnotation, 91 PreInvPairs, 297 NumberOfFragments, 587 HoareAnnotationTreeSize, 91 FomulaSimplifications, 980471 FormulaSimplificationTreeSizeReduction, 1318.09ms HoareSimplificationTime, 91 FomulaSimplificationsInter, 231749 FormulaSimplificationTreeSizeReductionInter, 3474.73ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 54.88ms SsaConstructionTime, 267.91ms SatisfiabilityAnalysisTime, 776.62ms InterpolantComputationTime, 612 NumberOfCodeBlocks, 612 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 658 ConstructedInterpolants, 0 QuantifiedInterpolants, 1148 SizeOfPredicates, 3 NumberOfNonLiveVariables, 460 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 195/204 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 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) && waterLevel == systemActive) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) || (((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) || ((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && tmp == 1) && \result == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) && tmp == 0) - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel == 1) && waterLevel == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: ((((((\result == 1 && splverifierCounter == 0) && \result == 0) && 1 == systemActive) && tmp == 0) && tmp___0 == 1) && 1 <= waterLevel) && tmp == 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= tmp) && waterLevel == 1) && waterLevel == systemActive) && 1 <= \result) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel == 1) && waterLevel == systemActive)) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) && tmp == 0) - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && \result == 0) && 1 == systemActive) && 1 <= waterLevel) && tmp == 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && waterLevel == 1) && waterLevel == systemActive) || ((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-29 16:16:54,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...