./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0c031f0e-cf38-477f-bef5-209c72d38729/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0c031f0e-cf38-477f-bef5-209c72d38729/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0c031f0e-cf38-477f-bef5-209c72d38729/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0c031f0e-cf38-477f-bef5-209c72d38729/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0c031f0e-cf38-477f-bef5-209c72d38729/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0c031f0e-cf38-477f-bef5-209c72d38729/bin/uautomizer --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 a73dafdc853fd09794b169fd90326076ad938e4b ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:03:31,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:03:31,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:03:31,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:03:31,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:03:31,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:03:31,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:03:31,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:03:31,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:03:31,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:03:31,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:03:31,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:03:31,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:03:31,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:03:31,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:03:31,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:03:31,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:03:31,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:03:31,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:03:31,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:03:31,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:03:31,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:03:31,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:03:31,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:03:31,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:03:31,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:03:31,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:03:31,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:03:31,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:03:31,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:03:31,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:03:31,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:03:31,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:03:31,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:03:31,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:03:31,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:03:31,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:03:31,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:03:31,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:03:31,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:03:31,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:03:31,198 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0c031f0e-cf38-477f-bef5-209c72d38729/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:03:31,225 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:03:31,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:03:31,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:03:31,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:03:31,228 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:03:31,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:03:31,229 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:03:31,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:03:31,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:03:31,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:03:31,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:03:31,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:03:31,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:03:31,232 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:03:31,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:03:31,233 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:03:31,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:03:31,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:03:31,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:03:31,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:03:31,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:03:31,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:03:31,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:03:31,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:03:31,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:03:31,237 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:03:31,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:03:31,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:03:31,237 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:03:31,238 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_0c031f0e-cf38-477f-bef5-209c72d38729/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0c031f0e-cf38-477f-bef5-209c72d38729/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a73dafdc853fd09794b169fd90326076ad938e4b [2020-11-30 01:03:31,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:03:31,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:03:31,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:03:31,561 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:03:31,564 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:03:31,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0c031f0e-cf38-477f-bef5-209c72d38729/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2020-11-30 01:03:31,659 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0c031f0e-cf38-477f-bef5-209c72d38729/bin/uautomizer/data/cb1ca4411/849bd9fccafb4d06b10e5d7488af4583/FLAG7bf2f7cf9 [2020-11-30 01:03:32,239 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:03:32,240 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0c031f0e-cf38-477f-bef5-209c72d38729/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2020-11-30 01:03:32,261 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0c031f0e-cf38-477f-bef5-209c72d38729/bin/uautomizer/data/cb1ca4411/849bd9fccafb4d06b10e5d7488af4583/FLAG7bf2f7cf9 [2020-11-30 01:03:32,532 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0c031f0e-cf38-477f-bef5-209c72d38729/bin/uautomizer/data/cb1ca4411/849bd9fccafb4d06b10e5d7488af4583 [2020-11-30 01:03:32,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:03:32,539 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:03:32,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:03:32,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:03:32,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:03:32,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:03:32" (1/1) ... [2020-11-30 01:03:32,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7abadc04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:32, skipping insertion in model container [2020-11-30 01:03:32,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:03:32" (1/1) ... [2020-11-30 01:03:32,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:03:32,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:03:33,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:03:33,035 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:03:33,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:03:33,239 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:03:33,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:33 WrapperNode [2020-11-30 01:03:33,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:03:33,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:03:33,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:03:33,243 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:03:33,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:33" (1/1) ... [2020-11-30 01:03:33,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:33" (1/1) ... [2020-11-30 01:03:33,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:03:33,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:03:33,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:03:33,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:03:33,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:33" (1/1) ... [2020-11-30 01:03:33,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:33" (1/1) ... [2020-11-30 01:03:33,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:33" (1/1) ... [2020-11-30 01:03:33,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:33" (1/1) ... [2020-11-30 01:03:33,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:33" (1/1) ... [2020-11-30 01:03:33,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:33" (1/1) ... [2020-11-30 01:03:33,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:33" (1/1) ... [2020-11-30 01:03:33,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:03:33,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:03:33,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:03:33,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:03:33,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c031f0e-cf38-477f-bef5-209c72d38729/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:03:33,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:03:33,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:03:33,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:03:33,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:03:34,572 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:03:34,572 INFO L298 CfgBuilder]: Removed 164 assume(true) statements. [2020-11-30 01:03:34,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:03:34 BoogieIcfgContainer [2020-11-30 01:03:34,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:03:34,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:03:34,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:03:34,582 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:03:34,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:03:32" (1/3) ... [2020-11-30 01:03:34,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472891f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:03:34, skipping insertion in model container [2020-11-30 01:03:34,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:03:33" (2/3) ... [2020-11-30 01:03:34,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@472891f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:03:34, skipping insertion in model container [2020-11-30 01:03:34,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:03:34" (3/3) ... [2020-11-30 01:03:34,585 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product50.cil.c [2020-11-30 01:03:34,601 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:03:34,606 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 01:03:34,619 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 01:03:34,654 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:03:34,654 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:03:34,655 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:03:34,655 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:03:34,655 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:03:34,655 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:03:34,655 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:03:34,656 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:03:34,672 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states. [2020-11-30 01:03:34,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 01:03:34,679 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:34,680 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:03:34,680 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:34,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:34,685 INFO L82 PathProgramCache]: Analyzing trace with hash -96008729, now seen corresponding path program 1 times [2020-11-30 01:03:34,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:34,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070633673] [2020-11-30 01:03:34,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:34,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:34,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070633673] [2020-11-30 01:03:34,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:03:34,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:03:34,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546177927] [2020-11-30 01:03:34,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:03:34,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:03:35,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:03:35,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:03:35,004 INFO L87 Difference]: Start difference. First operand 120 states. Second operand 2 states. [2020-11-30 01:03:35,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:35,037 INFO L93 Difference]: Finished difference Result 231 states and 350 transitions. [2020-11-30 01:03:35,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:03:35,039 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-30 01:03:35,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:03:35,055 INFO L225 Difference]: With dead ends: 231 [2020-11-30 01:03:35,055 INFO L226 Difference]: Without dead ends: 113 [2020-11-30 01:03:35,067 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:03:35,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-11-30 01:03:35,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-11-30 01:03:35,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-11-30 01:03:35,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2020-11-30 01:03:35,144 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 16 [2020-11-30 01:03:35,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:03:35,147 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2020-11-30 01:03:35,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:03:35,147 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2020-11-30 01:03:35,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:03:35,149 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:35,149 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:03:35,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:03:35,150 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:35,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:35,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1142765626, now seen corresponding path program 1 times [2020-11-30 01:03:35,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:35,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729875678] [2020-11-30 01:03:35,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:35,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:35,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729875678] [2020-11-30 01:03:35,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:03:35,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:03:35,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859355129] [2020-11-30 01:03:35,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:03:35,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:03:35,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:03:35,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:03:35,358 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2020-11-30 01:03:35,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:35,381 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-11-30 01:03:35,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:03:35,382 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-30 01:03:35,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:03:35,385 INFO L225 Difference]: With dead ends: 113 [2020-11-30 01:03:35,386 INFO L226 Difference]: Without dead ends: 47 [2020-11-30 01:03:35,388 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:03:35,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-11-30 01:03:35,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-11-30 01:03:35,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-11-30 01:03:35,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2020-11-30 01:03:35,401 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2020-11-30 01:03:35,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:03:35,402 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2020-11-30 01:03:35,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:03:35,403 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-11-30 01:03:35,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 01:03:35,406 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:35,407 INFO L422 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] [2020-11-30 01:03:35,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:03:35,408 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:35,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:35,410 INFO L82 PathProgramCache]: Analyzing trace with hash -230586389, now seen corresponding path program 1 times [2020-11-30 01:03:35,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:35,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262363314] [2020-11-30 01:03:35,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:35,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:35,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262363314] [2020-11-30 01:03:35,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:03:35,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:03:35,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10496818] [2020-11-30 01:03:35,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:03:35,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:03:35,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:03:35,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:03:35,627 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 5 states. [2020-11-30 01:03:35,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:35,715 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2020-11-30 01:03:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:03:35,726 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-11-30 01:03:35,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:03:35,727 INFO L225 Difference]: With dead ends: 88 [2020-11-30 01:03:35,727 INFO L226 Difference]: Without dead ends: 47 [2020-11-30 01:03:35,728 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:03:35,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-11-30 01:03:35,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-11-30 01:03:35,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-11-30 01:03:35,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2020-11-30 01:03:35,736 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 22 [2020-11-30 01:03:35,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:03:35,736 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2020-11-30 01:03:35,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:03:35,736 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-11-30 01:03:35,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 01:03:35,739 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:35,739 INFO L422 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] [2020-11-30 01:03:35,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 01:03:35,740 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:35,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:35,740 INFO L82 PathProgramCache]: Analyzing trace with hash -108421843, now seen corresponding path program 1 times [2020-11-30 01:03:35,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:35,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367686451] [2020-11-30 01:03:35,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:35,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:35,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367686451] [2020-11-30 01:03:35,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:03:35,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:03:35,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630243458] [2020-11-30 01:03:35,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:03:35,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:03:35,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:03:35,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:03:35,869 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2020-11-30 01:03:35,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:35,917 INFO L93 Difference]: Finished difference Result 109 states and 158 transitions. [2020-11-30 01:03:35,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:03:35,918 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-30 01:03:35,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:03:35,919 INFO L225 Difference]: With dead ends: 109 [2020-11-30 01:03:35,919 INFO L226 Difference]: Without dead ends: 68 [2020-11-30 01:03:35,920 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:03:35,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-11-30 01:03:35,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2020-11-30 01:03:35,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-11-30 01:03:35,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2020-11-30 01:03:35,943 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 24 [2020-11-30 01:03:35,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:03:35,944 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2020-11-30 01:03:35,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:03:35,944 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2020-11-30 01:03:35,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-30 01:03:35,946 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:35,946 INFO L422 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] [2020-11-30 01:03:35,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 01:03:35,947 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:35,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:35,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1619186466, now seen corresponding path program 1 times [2020-11-30 01:03:35,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:35,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456647904] [2020-11-30 01:03:35,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:36,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:36,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456647904] [2020-11-30 01:03:36,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:03:36,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:03:36,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451996300] [2020-11-30 01:03:36,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:03:36,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:03:36,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:03:36,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:03:36,087 INFO L87 Difference]: Start difference. First operand 66 states and 93 transitions. Second operand 5 states. [2020-11-30 01:03:36,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:36,253 INFO L93 Difference]: Finished difference Result 175 states and 245 transitions. [2020-11-30 01:03:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:03:36,254 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-11-30 01:03:36,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:03:36,256 INFO L225 Difference]: With dead ends: 175 [2020-11-30 01:03:36,256 INFO L226 Difference]: Without dead ends: 115 [2020-11-30 01:03:36,257 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:03:36,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-11-30 01:03:36,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2020-11-30 01:03:36,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-11-30 01:03:36,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 99 transitions. [2020-11-30 01:03:36,270 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 99 transitions. Word has length 30 [2020-11-30 01:03:36,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:03:36,271 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 99 transitions. [2020-11-30 01:03:36,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:03:36,271 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2020-11-30 01:03:36,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-30 01:03:36,278 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:36,279 INFO L422 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] [2020-11-30 01:03:36,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 01:03:36,279 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:36,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:36,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1043324577, now seen corresponding path program 1 times [2020-11-30 01:03:36,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:36,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40832735] [2020-11-30 01:03:36,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:36,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:36,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40832735] [2020-11-30 01:03:36,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:03:36,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 01:03:36,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727823085] [2020-11-30 01:03:36,413 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:03:36,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:03:36,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:03:36,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:03:36,415 INFO L87 Difference]: Start difference. First operand 72 states and 99 transitions. Second operand 5 states. [2020-11-30 01:03:36,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:36,524 INFO L93 Difference]: Finished difference Result 253 states and 355 transitions. [2020-11-30 01:03:36,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:03:36,524 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-11-30 01:03:36,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:03:36,526 INFO L225 Difference]: With dead ends: 253 [2020-11-30 01:03:36,527 INFO L226 Difference]: Without dead ends: 187 [2020-11-30 01:03:36,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-30 01:03:36,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-11-30 01:03:36,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 115. [2020-11-30 01:03:36,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-11-30 01:03:36,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 155 transitions. [2020-11-30 01:03:36,546 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 155 transitions. Word has length 30 [2020-11-30 01:03:36,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:03:36,546 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 155 transitions. [2020-11-30 01:03:36,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:03:36,547 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 155 transitions. [2020-11-30 01:03:36,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-30 01:03:36,548 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:36,548 INFO L422 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] [2020-11-30 01:03:36,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 01:03:36,549 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:36,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:36,550 INFO L82 PathProgramCache]: Analyzing trace with hash -964491617, now seen corresponding path program 1 times [2020-11-30 01:03:36,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:36,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990333528] [2020-11-30 01:03:36,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:36,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:36,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990333528] [2020-11-30 01:03:36,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:03:36,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:03:36,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471183533] [2020-11-30 01:03:36,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:03:36,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:03:36,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:03:36,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:03:36,615 INFO L87 Difference]: Start difference. First operand 115 states and 155 transitions. Second operand 4 states. [2020-11-30 01:03:36,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:36,807 INFO L93 Difference]: Finished difference Result 238 states and 327 transitions. [2020-11-30 01:03:36,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:03:36,808 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-11-30 01:03:36,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:03:36,813 INFO L225 Difference]: With dead ends: 238 [2020-11-30 01:03:36,813 INFO L226 Difference]: Without dead ends: 172 [2020-11-30 01:03:36,814 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:03:36,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-11-30 01:03:36,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 169. [2020-11-30 01:03:36,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-11-30 01:03:36,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 228 transitions. [2020-11-30 01:03:36,852 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 228 transitions. Word has length 31 [2020-11-30 01:03:36,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:03:36,853 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 228 transitions. [2020-11-30 01:03:36,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:03:36,853 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 228 transitions. [2020-11-30 01:03:36,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-30 01:03:36,855 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:36,855 INFO L422 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] [2020-11-30 01:03:36,855 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 01:03:36,855 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:36,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:36,856 INFO L82 PathProgramCache]: Analyzing trace with hash -706326179, now seen corresponding path program 1 times [2020-11-30 01:03:36,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:36,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121042656] [2020-11-30 01:03:36,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:36,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:36,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121042656] [2020-11-30 01:03:36,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:03:36,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 01:03:36,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012919986] [2020-11-30 01:03:36,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:03:36,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:03:36,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:03:36,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:03:36,923 INFO L87 Difference]: Start difference. First operand 169 states and 228 transitions. Second operand 4 states. [2020-11-30 01:03:37,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:37,014 INFO L93 Difference]: Finished difference Result 400 states and 551 transitions. [2020-11-30 01:03:37,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:03:37,015 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-11-30 01:03:37,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:03:37,017 INFO L225 Difference]: With dead ends: 400 [2020-11-30 01:03:37,017 INFO L226 Difference]: Without dead ends: 279 [2020-11-30 01:03:37,019 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:03:37,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-11-30 01:03:37,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 163. [2020-11-30 01:03:37,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-11-30 01:03:37,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 220 transitions. [2020-11-30 01:03:37,055 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 220 transitions. Word has length 31 [2020-11-30 01:03:37,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:03:37,056 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 220 transitions. [2020-11-30 01:03:37,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:03:37,056 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 220 transitions. [2020-11-30 01:03:37,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-30 01:03:37,058 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:37,058 INFO L422 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] [2020-11-30 01:03:37,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 01:03:37,059 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:37,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:37,059 INFO L82 PathProgramCache]: Analyzing trace with hash 533103064, now seen corresponding path program 1 times [2020-11-30 01:03:37,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:37,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348963115] [2020-11-30 01:03:37,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:37,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:37,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348963115] [2020-11-30 01:03:37,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:03:37,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:03:37,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783653465] [2020-11-30 01:03:37,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:03:37,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:03:37,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:03:37,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:03:37,157 INFO L87 Difference]: Start difference. First operand 163 states and 220 transitions. Second operand 5 states. [2020-11-30 01:03:37,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:37,329 INFO L93 Difference]: Finished difference Result 353 states and 482 transitions. [2020-11-30 01:03:37,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:03:37,330 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-11-30 01:03:37,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:03:37,332 INFO L225 Difference]: With dead ends: 353 [2020-11-30 01:03:37,332 INFO L226 Difference]: Without dead ends: 238 [2020-11-30 01:03:37,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-30 01:03:37,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-11-30 01:03:37,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 159. [2020-11-30 01:03:37,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-11-30 01:03:37,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 212 transitions. [2020-11-30 01:03:37,348 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 212 transitions. Word has length 31 [2020-11-30 01:03:37,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:03:37,349 INFO L481 AbstractCegarLoop]: Abstraction has 159 states and 212 transitions. [2020-11-30 01:03:37,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:03:37,349 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 212 transitions. [2020-11-30 01:03:37,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 01:03:37,353 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:37,353 INFO L422 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] [2020-11-30 01:03:37,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 01:03:37,354 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:37,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:37,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1759657485, now seen corresponding path program 1 times [2020-11-30 01:03:37,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:37,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670276713] [2020-11-30 01:03:37,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:37,477 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 01:03:37,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670276713] [2020-11-30 01:03:37,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:03:37,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 01:03:37,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764327733] [2020-11-30 01:03:37,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:03:37,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:03:37,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:03:37,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:03:37,480 INFO L87 Difference]: Start difference. First operand 159 states and 212 transitions. Second operand 6 states. [2020-11-30 01:03:37,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:37,588 INFO L93 Difference]: Finished difference Result 335 states and 448 transitions. [2020-11-30 01:03:37,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:03:37,593 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-11-30 01:03:37,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:03:37,595 INFO L225 Difference]: With dead ends: 335 [2020-11-30 01:03:37,595 INFO L226 Difference]: Without dead ends: 182 [2020-11-30 01:03:37,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-30 01:03:37,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-11-30 01:03:37,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 135. [2020-11-30 01:03:37,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-11-30 01:03:37,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 176 transitions. [2020-11-30 01:03:37,617 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 176 transitions. Word has length 50 [2020-11-30 01:03:37,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:03:37,617 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 176 transitions. [2020-11-30 01:03:37,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:03:37,617 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 176 transitions. [2020-11-30 01:03:37,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-30 01:03:37,618 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:37,618 INFO L422 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] [2020-11-30 01:03:37,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 01:03:37,619 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:37,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:37,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1787068753, now seen corresponding path program 1 times [2020-11-30 01:03:37,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:37,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071400866] [2020-11-30 01:03:37,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:37,709 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 01:03:37,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071400866] [2020-11-30 01:03:37,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:03:37,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:03:37,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594641436] [2020-11-30 01:03:37,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:03:37,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:03:37,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:03:37,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:03:37,714 INFO L87 Difference]: Start difference. First operand 135 states and 176 transitions. Second operand 5 states. [2020-11-30 01:03:37,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:37,808 INFO L93 Difference]: Finished difference Result 449 states and 597 transitions. [2020-11-30 01:03:37,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 01:03:37,809 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-11-30 01:03:37,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:03:37,812 INFO L225 Difference]: With dead ends: 449 [2020-11-30 01:03:37,812 INFO L226 Difference]: Without dead ends: 344 [2020-11-30 01:03:37,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:03:37,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2020-11-30 01:03:37,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 138. [2020-11-30 01:03:37,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-11-30 01:03:37,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 179 transitions. [2020-11-30 01:03:37,832 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 179 transitions. Word has length 51 [2020-11-30 01:03:37,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:03:37,833 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 179 transitions. [2020-11-30 01:03:37,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:03:37,833 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 179 transitions. [2020-11-30 01:03:37,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-30 01:03:37,834 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:37,834 INFO L422 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] [2020-11-30 01:03:37,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 01:03:37,835 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:37,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:37,835 INFO L82 PathProgramCache]: Analyzing trace with hash 2114871533, now seen corresponding path program 1 times [2020-11-30 01:03:37,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:37,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959477233] [2020-11-30 01:03:37,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:37,933 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 01:03:37,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959477233] [2020-11-30 01:03:37,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:03:37,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:03:37,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831862501] [2020-11-30 01:03:37,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:03:37,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:03:37,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:03:37,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:03:37,936 INFO L87 Difference]: Start difference. First operand 138 states and 179 transitions. Second operand 5 states. [2020-11-30 01:03:38,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:38,123 INFO L93 Difference]: Finished difference Result 347 states and 455 transitions. [2020-11-30 01:03:38,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 01:03:38,124 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-11-30 01:03:38,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:03:38,127 INFO L225 Difference]: With dead ends: 347 [2020-11-30 01:03:38,127 INFO L226 Difference]: Without dead ends: 345 [2020-11-30 01:03:38,127 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-30 01:03:38,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-11-30 01:03:38,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 138. [2020-11-30 01:03:38,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-11-30 01:03:38,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 178 transitions. [2020-11-30 01:03:38,146 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 178 transitions. Word has length 51 [2020-11-30 01:03:38,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:03:38,147 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 178 transitions. [2020-11-30 01:03:38,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:03:38,148 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 178 transitions. [2020-11-30 01:03:38,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-30 01:03:38,148 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:38,148 INFO L422 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] [2020-11-30 01:03:38,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 01:03:38,149 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:38,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:38,149 INFO L82 PathProgramCache]: Analyzing trace with hash 913359712, now seen corresponding path program 1 times [2020-11-30 01:03:38,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:38,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283158554] [2020-11-30 01:03:38,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:38,240 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:38,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283158554] [2020-11-30 01:03:38,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710275197] [2020-11-30 01:03:38,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c031f0e-cf38-477f-bef5-209c72d38729/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:03:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:38,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-30 01:03:38,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:03:38,513 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:03:38,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:03:38,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-11-30 01:03:38,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658951758] [2020-11-30 01:03:38,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 01:03:38,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:03:38,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 01:03:38,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:03:38,522 INFO L87 Difference]: Start difference. First operand 138 states and 178 transitions. Second operand 6 states. [2020-11-30 01:03:38,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:38,889 INFO L93 Difference]: Finished difference Result 427 states and 563 transitions. [2020-11-30 01:03:38,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 01:03:38,890 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-11-30 01:03:38,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:03:38,893 INFO L225 Difference]: With dead ends: 427 [2020-11-30 01:03:38,893 INFO L226 Difference]: Without dead ends: 319 [2020-11-30 01:03:38,893 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-11-30 01:03:38,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-11-30 01:03:38,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 195. [2020-11-30 01:03:38,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-11-30 01:03:38,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 254 transitions. [2020-11-30 01:03:38,940 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 254 transitions. Word has length 52 [2020-11-30 01:03:38,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:03:38,940 INFO L481 AbstractCegarLoop]: Abstraction has 195 states and 254 transitions. [2020-11-30 01:03:38,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 01:03:38,940 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 254 transitions. [2020-11-30 01:03:38,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-11-30 01:03:38,942 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:38,942 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-30 01:03:39,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-30 01:03:39,160 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:39,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:39,161 INFO L82 PathProgramCache]: Analyzing trace with hash 963921624, now seen corresponding path program 2 times [2020-11-30 01:03:39,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:39,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214410062] [2020-11-30 01:03:39,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:39,349 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 01:03:39,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214410062] [2020-11-30 01:03:39,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:03:39,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 01:03:39,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587364779] [2020-11-30 01:03:39,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 01:03:39,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:03:39,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 01:03:39,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 01:03:39,353 INFO L87 Difference]: Start difference. First operand 195 states and 254 transitions. Second operand 5 states. [2020-11-30 01:03:39,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:39,682 INFO L93 Difference]: Finished difference Result 569 states and 755 transitions. [2020-11-30 01:03:39,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 01:03:39,682 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2020-11-30 01:03:39,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:03:39,686 INFO L225 Difference]: With dead ends: 569 [2020-11-30 01:03:39,686 INFO L226 Difference]: Without dead ends: 403 [2020-11-30 01:03:39,687 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:03:39,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2020-11-30 01:03:39,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 268. [2020-11-30 01:03:39,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-11-30 01:03:39,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 347 transitions. [2020-11-30 01:03:39,733 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 347 transitions. Word has length 73 [2020-11-30 01:03:39,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:03:39,734 INFO L481 AbstractCegarLoop]: Abstraction has 268 states and 347 transitions. [2020-11-30 01:03:39,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 01:03:39,734 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 347 transitions. [2020-11-30 01:03:39,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-11-30 01:03:39,735 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:03:39,736 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-30 01:03:39,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-30 01:03:39,737 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:03:39,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:03:39,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1238681238, now seen corresponding path program 1 times [2020-11-30 01:03:39,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:03:39,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559369519] [2020-11-30 01:03:39,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:03:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:03:39,864 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-30 01:03:39,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559369519] [2020-11-30 01:03:39,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:03:39,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-30 01:03:39,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367056664] [2020-11-30 01:03:39,866 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 01:03:39,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:03:39,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 01:03:39,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-30 01:03:39,867 INFO L87 Difference]: Start difference. First operand 268 states and 347 transitions. Second operand 7 states. [2020-11-30 01:03:40,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:03:40,015 INFO L93 Difference]: Finished difference Result 471 states and 609 transitions. [2020-11-30 01:03:40,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 01:03:40,016 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2020-11-30 01:03:40,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:03:40,016 INFO L225 Difference]: With dead ends: 471 [2020-11-30 01:03:40,017 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:03:40,018 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-11-30 01:03:40,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:03:40,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:03:40,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:03:40,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:03:40,019 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2020-11-30 01:03:40,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:03:40,019 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:03:40,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 01:03:40,019 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:03:40,019 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:03:40,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-30 01:03:40,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:03:40,150 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 66 [2020-11-30 01:03:40,452 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 123 [2020-11-30 01:03:40,720 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 109 [2020-11-30 01:03:40,935 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 123 [2020-11-30 01:03:41,195 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 72 [2020-11-30 01:03:41,385 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 123 [2020-11-30 01:03:41,590 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 116 [2020-11-30 01:03:41,818 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 30 [2020-11-30 01:03:42,505 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 26 [2020-11-30 01:03:43,111 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 24 [2020-11-30 01:03:43,754 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 26 [2020-11-30 01:03:44,034 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2020-11-30 01:03:44,307 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 34 [2020-11-30 01:03:44,521 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2020-11-30 01:03:45,018 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 26 [2020-11-30 01:03:45,435 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 29 [2020-11-30 01:03:45,497 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 01:03:45,497 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 01:03:45,497 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 01:03:45,497 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-30 01:03:45,497 INFO L274 CegarLoopResult]: For program point L863(lines 863 867) no Hoare annotation was computed. [2020-11-30 01:03:45,497 INFO L274 CegarLoopResult]: For program point L863-2(lines 863 867) no Hoare annotation was computed. [2020-11-30 01:03:45,498 INFO L274 CegarLoopResult]: For program point L863-3(lines 863 867) no Hoare annotation was computed. [2020-11-30 01:03:45,498 INFO L274 CegarLoopResult]: For program point L863-5(lines 863 867) no Hoare annotation was computed. [2020-11-30 01:03:45,498 INFO L270 CegarLoopResult]: At program point L665(lines 660 668) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse3))) [2020-11-30 01:03:45,498 INFO L274 CegarLoopResult]: For program point L863-6(lines 863 867) no Hoare annotation was computed. [2020-11-30 01:03:45,498 INFO L270 CegarLoopResult]: At program point L665-1(lines 660 668) the Hoare annotation is: false [2020-11-30 01:03:45,498 INFO L274 CegarLoopResult]: For program point L863-8(lines 863 867) no Hoare annotation was computed. [2020-11-30 01:03:45,499 INFO L270 CegarLoopResult]: At program point L665-2(lines 660 668) the Hoare annotation is: false [2020-11-30 01:03:45,499 INFO L274 CegarLoopResult]: For program point L863-9(lines 863 867) no Hoare annotation was computed. [2020-11-30 01:03:45,499 INFO L270 CegarLoopResult]: At program point L500(lines 496 502) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~4 1)) [2020-11-30 01:03:45,499 INFO L274 CegarLoopResult]: For program point L863-11(lines 863 867) no Hoare annotation was computed. [2020-11-30 01:03:45,499 INFO L274 CegarLoopResult]: For program point L863-12(lines 863 867) no Hoare annotation was computed. [2020-11-30 01:03:45,499 INFO L274 CegarLoopResult]: For program point L863-14(lines 863 867) no Hoare annotation was computed. [2020-11-30 01:03:45,499 INFO L274 CegarLoopResult]: For program point L863-15(lines 863 867) no Hoare annotation was computed. [2020-11-30 01:03:45,499 INFO L274 CegarLoopResult]: For program point L863-17(lines 863 867) no Hoare annotation was computed. [2020-11-30 01:03:45,499 INFO L274 CegarLoopResult]: For program point L765(lines 765 773) no Hoare annotation was computed. [2020-11-30 01:03:45,500 INFO L274 CegarLoopResult]: For program point L765-1(lines 765 773) no Hoare annotation was computed. [2020-11-30 01:03:45,500 INFO L274 CegarLoopResult]: For program point L765-2(lines 765 773) no Hoare annotation was computed. [2020-11-30 01:03:45,500 INFO L274 CegarLoopResult]: For program point L931(lines 931 937) no Hoare annotation was computed. [2020-11-30 01:03:45,500 INFO L270 CegarLoopResult]: At program point L931-1(lines 931 937) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1))) (or (and .cse0 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2020-11-30 01:03:45,500 INFO L277 CegarLoopResult]: At program point L536(lines 517 539) the Hoare annotation is: true [2020-11-30 01:03:45,500 INFO L274 CegarLoopResult]: For program point L735(lines 735 752) no Hoare annotation was computed. [2020-11-30 01:03:45,500 INFO L274 CegarLoopResult]: For program point L735-1(lines 735 752) no Hoare annotation was computed. [2020-11-30 01:03:45,500 INFO L274 CegarLoopResult]: For program point L735-2(lines 735 752) no Hoare annotation was computed. [2020-11-30 01:03:45,501 INFO L274 CegarLoopResult]: For program point L735-3(lines 735 752) no Hoare annotation was computed. [2020-11-30 01:03:45,501 INFO L274 CegarLoopResult]: For program point L735-4(lines 735 752) no Hoare annotation was computed. [2020-11-30 01:03:45,501 INFO L274 CegarLoopResult]: For program point L735-5(lines 735 752) no Hoare annotation was computed. [2020-11-30 01:03:45,501 INFO L270 CegarLoopResult]: At program point L703(lines 702 721) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~4 1))) (or (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4))) [2020-11-30 01:03:45,501 INFO L274 CegarLoopResult]: For program point L703-1(lines 703 709) no Hoare annotation was computed. [2020-11-30 01:03:45,501 INFO L270 CegarLoopResult]: At program point L703-2(lines 702 721) the Hoare annotation is: false [2020-11-30 01:03:45,501 INFO L270 CegarLoopResult]: At program point L703-3(lines 702 721) the Hoare annotation is: false [2020-11-30 01:03:45,502 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 01:03:45,502 INFO L270 CegarLoopResult]: At program point L869(lines 854 872) the Hoare annotation is: false [2020-11-30 01:03:45,502 INFO L270 CegarLoopResult]: At program point L869-1(lines 854 872) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ULTIMATE.start_main_~tmp~4 1))) (or (and (not .cse0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (not .cse1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 .cse5 .cse6) (and .cse0 .cse2 (<= 2 ~waterLevel~0) .cse1 .cse3 .cse4 .cse5 .cse6))) [2020-11-30 01:03:45,502 INFO L270 CegarLoopResult]: At program point L869-2(lines 854 872) the Hoare annotation is: false [2020-11-30 01:03:45,502 INFO L270 CegarLoopResult]: At program point L869-3(lines 854 872) the Hoare annotation is: false [2020-11-30 01:03:45,502 INFO L270 CegarLoopResult]: At program point L869-4(lines 854 872) the Hoare annotation is: false [2020-11-30 01:03:45,502 INFO L270 CegarLoopResult]: At program point L869-5(lines 854 872) the Hoare annotation is: false [2020-11-30 01:03:45,502 INFO L270 CegarLoopResult]: At program point L572(lines 1 966) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-11-30 01:03:45,503 INFO L274 CegarLoopResult]: For program point L739(lines 739 747) no Hoare annotation was computed. [2020-11-30 01:03:45,503 INFO L274 CegarLoopResult]: For program point L739-1(lines 739 747) no Hoare annotation was computed. [2020-11-30 01:03:45,503 INFO L274 CegarLoopResult]: For program point L673(lines 673 679) no Hoare annotation was computed. [2020-11-30 01:03:45,503 INFO L274 CegarLoopResult]: For program point L739-2(lines 739 747) no Hoare annotation was computed. [2020-11-30 01:03:45,503 INFO L274 CegarLoopResult]: For program point L673-1(lines 673 679) no Hoare annotation was computed. [2020-11-30 01:03:45,503 INFO L274 CegarLoopResult]: For program point L739-3(lines 739 747) no Hoare annotation was computed. [2020-11-30 01:03:45,503 INFO L274 CegarLoopResult]: For program point L673-2(lines 673 679) no Hoare annotation was computed. [2020-11-30 01:03:45,503 INFO L274 CegarLoopResult]: For program point L739-4(lines 739 747) no Hoare annotation was computed. [2020-11-30 01:03:45,503 INFO L274 CegarLoopResult]: For program point L673-3(lines 673 679) no Hoare annotation was computed. [2020-11-30 01:03:45,503 INFO L274 CegarLoopResult]: For program point L739-5(lines 739 747) no Hoare annotation was computed. [2020-11-30 01:03:45,504 INFO L274 CegarLoopResult]: For program point L673-4(lines 673 679) no Hoare annotation was computed. [2020-11-30 01:03:45,504 INFO L274 CegarLoopResult]: For program point L673-5(lines 673 679) no Hoare annotation was computed. [2020-11-30 01:03:45,504 INFO L274 CegarLoopResult]: For program point L608(lines 608 612) no Hoare annotation was computed. [2020-11-30 01:03:45,504 INFO L274 CegarLoopResult]: For program point L941(lines 941 954) no Hoare annotation was computed. [2020-11-30 01:03:45,504 INFO L270 CegarLoopResult]: At program point L710(lines 710 716) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2020-11-30 01:03:45,504 INFO L270 CegarLoopResult]: At program point L710-1(lines 710 716) the Hoare annotation is: false [2020-11-30 01:03:45,504 INFO L270 CegarLoopResult]: At program point L710-2(lines 710 716) the Hoare annotation is: false [2020-11-30 01:03:45,504 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-30 01:03:45,505 INFO L274 CegarLoopResult]: For program point L545-1(line 545) no Hoare annotation was computed. [2020-11-30 01:03:45,505 INFO L274 CegarLoopResult]: For program point L545-2(line 545) no Hoare annotation was computed. [2020-11-30 01:03:45,505 INFO L270 CegarLoopResult]: At program point L678(lines 669 682) the Hoare annotation is: false [2020-11-30 01:03:45,505 INFO L270 CegarLoopResult]: At program point L678-1(lines 669 682) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~4 1))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4))) [2020-11-30 01:03:45,505 INFO L270 CegarLoopResult]: At program point L678-2(lines 669 682) the Hoare annotation is: false [2020-11-30 01:03:45,505 INFO L270 CegarLoopResult]: At program point L678-3(lines 669 682) the Hoare annotation is: false [2020-11-30 01:03:45,505 INFO L270 CegarLoopResult]: At program point L678-4(lines 669 682) the Hoare annotation is: false [2020-11-30 01:03:45,505 INFO L270 CegarLoopResult]: At program point L678-5(lines 669 682) the Hoare annotation is: false [2020-11-30 01:03:45,505 INFO L270 CegarLoopResult]: At program point L580(lines 575 583) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-30 01:03:45,506 INFO L270 CegarLoopResult]: At program point L449-2(lines 449 463) the Hoare annotation is: false [2020-11-30 01:03:45,506 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:03:45,506 INFO L274 CegarLoopResult]: For program point L912(lines 911 958) no Hoare annotation was computed. [2020-11-30 01:03:45,506 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-30 01:03:45,506 INFO L274 CegarLoopResult]: For program point L913(lines 913 917) no Hoare annotation was computed. [2020-11-30 01:03:45,506 INFO L270 CegarLoopResult]: At program point L814(lines 809 817) the Hoare annotation is: false [2020-11-30 01:03:45,506 INFO L270 CegarLoopResult]: At program point L814-1(lines 809 817) the Hoare annotation is: false [2020-11-30 01:03:45,506 INFO L270 CegarLoopResult]: At program point L814-2(lines 809 817) the Hoare annotation is: false [2020-11-30 01:03:45,506 INFO L274 CegarLoopResult]: For program point L419(lines 419 432) no Hoare annotation was computed. [2020-11-30 01:03:45,506 INFO L270 CegarLoopResult]: At program point L419-1(lines 1 966) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~4 1))) (or (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse4) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse2 (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3) .cse3 .cse4) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-11-30 01:03:45,506 INFO L274 CegarLoopResult]: For program point L419-2(lines 419 432) no Hoare annotation was computed. [2020-11-30 01:03:45,507 INFO L270 CegarLoopResult]: At program point L419-3(lines 1 966) the Hoare annotation is: false [2020-11-30 01:03:45,507 INFO L274 CegarLoopResult]: For program point L419-4(lines 419 432) no Hoare annotation was computed. [2020-11-30 01:03:45,507 INFO L270 CegarLoopResult]: At program point L419-5(lines 1 966) the Hoare annotation is: false [2020-11-30 01:03:45,507 INFO L274 CegarLoopResult]: For program point L882(lines 882 886) no Hoare annotation was computed. [2020-11-30 01:03:45,507 INFO L274 CegarLoopResult]: For program point L882-2(lines 882 886) no Hoare annotation was computed. [2020-11-30 01:03:45,507 INFO L274 CegarLoopResult]: For program point L882-3(lines 882 886) no Hoare annotation was computed. [2020-11-30 01:03:45,507 INFO L274 CegarLoopResult]: For program point L882-5(lines 882 886) no Hoare annotation was computed. [2020-11-30 01:03:45,507 INFO L274 CegarLoopResult]: For program point L882-6(lines 882 886) no Hoare annotation was computed. [2020-11-30 01:03:45,507 INFO L274 CegarLoopResult]: For program point L882-8(lines 882 886) no Hoare annotation was computed. [2020-11-30 01:03:45,507 INFO L274 CegarLoopResult]: For program point L453(lines 453 457) no Hoare annotation was computed. [2020-11-30 01:03:45,507 INFO L274 CegarLoopResult]: For program point L453-1(lines 703 709) no Hoare annotation was computed. [2020-11-30 01:03:45,508 INFO L274 CegarLoopResult]: For program point L949(lines 949 953) no Hoare annotation was computed. [2020-11-30 01:03:45,508 INFO L270 CegarLoopResult]: At program point L949-2(lines 703 709) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1))) (or (and .cse0 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2020-11-30 01:03:45,508 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:03:45,508 INFO L274 CegarLoopResult]: For program point L620(lines 620 624) no Hoare annotation was computed. [2020-11-30 01:03:45,508 INFO L274 CegarLoopResult]: For program point L423(lines 423 429) no Hoare annotation was computed. [2020-11-30 01:03:45,508 INFO L274 CegarLoopResult]: For program point L423-2(lines 423 429) no Hoare annotation was computed. [2020-11-30 01:03:45,508 INFO L274 CegarLoopResult]: For program point L423-4(lines 423 429) no Hoare annotation was computed. [2020-11-30 01:03:45,508 INFO L270 CegarLoopResult]: At program point L688(lines 683 691) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~4 1)) [2020-11-30 01:03:45,508 INFO L270 CegarLoopResult]: At program point L688-1(lines 683 691) the Hoare annotation is: false [2020-11-30 01:03:45,508 INFO L270 CegarLoopResult]: At program point L688-2(lines 683 691) the Hoare annotation is: false [2020-11-30 01:03:45,509 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:03:45,509 INFO L274 CegarLoopResult]: For program point L921(lines 921 927) no Hoare annotation was computed. [2020-11-30 01:03:45,509 INFO L270 CegarLoopResult]: At program point L921-1(lines 921 927) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1))) (or (and .cse0 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2020-11-30 01:03:45,509 INFO L270 CegarLoopResult]: At program point L888(lines 873 891) the Hoare annotation is: (and (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0)) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~8 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~4 1)) [2020-11-30 01:03:45,509 INFO L270 CegarLoopResult]: At program point L888-1(lines 873 891) the Hoare annotation is: false [2020-11-30 01:03:45,513 INFO L270 CegarLoopResult]: At program point L888-2(lines 873 891) the Hoare annotation is: false [2020-11-30 01:03:45,514 INFO L274 CegarLoopResult]: For program point L527(lines 527 534) no Hoare annotation was computed. [2020-11-30 01:03:45,514 INFO L277 CegarLoopResult]: At program point L527-1(lines 527 534) the Hoare annotation is: true [2020-11-30 01:03:45,514 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:03:45,514 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 01:03:45,514 INFO L270 CegarLoopResult]: At program point L959(lines 910 960) the Hoare annotation is: false [2020-11-30 01:03:45,514 INFO L274 CegarLoopResult]: For program point L761(lines 761 778) no Hoare annotation was computed. [2020-11-30 01:03:45,515 INFO L274 CegarLoopResult]: For program point L761-1(lines 761 778) no Hoare annotation was computed. [2020-11-30 01:03:45,515 INFO L274 CegarLoopResult]: For program point L761-2(lines 761 778) no Hoare annotation was computed. [2020-11-30 01:03:45,515 INFO L274 CegarLoopResult]: For program point L596(lines 596 600) no Hoare annotation was computed. [2020-11-30 01:03:45,515 INFO L274 CegarLoopResult]: For program point L596-3(lines 596 600) no Hoare annotation was computed. [2020-11-30 01:03:45,515 INFO L274 CegarLoopResult]: For program point L596-6(lines 596 600) no Hoare annotation was computed. [2020-11-30 01:03:45,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:03:45 BoogieIcfgContainer [2020-11-30 01:03:45,570 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:03:45,571 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:03:45,571 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:03:45,571 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:03:45,572 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:03:34" (3/4) ... [2020-11-30 01:03:45,578 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:03:45,606 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-30 01:03:45,608 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 01:03:45,609 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 01:03:45,610 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 01:03:45,611 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 01:03:45,613 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:03:45,614 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:03:45,643 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-11-30 01:03:45,644 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && tmp == 1 [2020-11-30 01:03:45,644 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= tmp && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) && tmp == 1) || ((((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp == 0) && splverifierCounter == 0) && 2 <= tmp) && \result == 1) && tmp == 1)) || (((((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) [2020-11-30 01:03:45,645 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) [2020-11-30 01:03:45,646 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) [2020-11-30 01:03:45,648 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) [2020-11-30 01:03:45,648 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) [2020-11-30 01:03:45,648 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) [2020-11-30 01:03:45,650 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0 && !(0 == systemActive)) && 2 <= \result) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || ((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) && tmp == 1) [2020-11-30 01:03:45,651 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && !(0 == systemActive)) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1 [2020-11-30 01:03:45,656 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || ((((((!(\result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) [2020-11-30 01:03:45,659 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(tmp___0 == 0) && !(\result == 0)) && \result == 0) && !(0 == systemActive)) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1) && tmp == 1 [2020-11-30 01:03:45,660 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\result == 0) && tmp___0 == 0) && !(tmp == 0)) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) [2020-11-30 01:03:45,756 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0c031f0e-cf38-477f-bef5-209c72d38729/bin/uautomizer/witness.graphml [2020-11-30 01:03:45,756 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:03:45,757 INFO L168 Benchmark]: Toolchain (without parser) took 13217.96 ms. Allocated memory was 81.8 MB in the beginning and 192.9 MB in the end (delta: 111.1 MB). Free memory was 47.8 MB in the beginning and 95.4 MB in the end (delta: -47.6 MB). Peak memory consumption was 63.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:45,757 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 81.8 MB. Free memory was 55.7 MB in the beginning and 55.7 MB in the end (delta: 30.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:03:45,758 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.31 ms. Allocated memory is still 81.8 MB. Free memory was 47.6 MB in the beginning and 47.9 MB in the end (delta: -343.1 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:45,758 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.07 ms. Allocated memory is still 81.8 MB. Free memory was 47.9 MB in the beginning and 44.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:45,759 INFO L168 Benchmark]: Boogie Preprocessor took 70.98 ms. Allocated memory is still 81.8 MB. Free memory was 44.1 MB in the beginning and 41.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:45,759 INFO L168 Benchmark]: RCFGBuilder took 1170.78 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 41.4 MB in the beginning and 69.3 MB in the end (delta: -28.0 MB). Peak memory consumption was 35.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:45,760 INFO L168 Benchmark]: TraceAbstraction took 10993.90 ms. Allocated memory was 98.6 MB in the beginning and 192.9 MB in the end (delta: 94.4 MB). Free memory was 68.7 MB in the beginning and 104.8 MB in the end (delta: -36.1 MB). Peak memory consumption was 113.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:45,760 INFO L168 Benchmark]: Witness Printer took 185.23 ms. Allocated memory is still 192.9 MB. Free memory was 104.8 MB in the beginning and 95.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:03:45,764 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 81.8 MB. Free memory was 55.7 MB in the beginning and 55.7 MB in the end (delta: 30.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 698.31 ms. Allocated memory is still 81.8 MB. Free memory was 47.6 MB in the beginning and 47.9 MB in the end (delta: -343.1 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.07 ms. Allocated memory is still 81.8 MB. Free memory was 47.9 MB in the beginning and 44.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.98 ms. Allocated memory is still 81.8 MB. Free memory was 44.1 MB in the beginning and 41.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1170.78 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 41.4 MB in the beginning and 69.3 MB in the end (delta: -28.0 MB). Peak memory consumption was 35.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10993.90 ms. Allocated memory was 98.6 MB in the beginning and 192.9 MB in the end (delta: 94.4 MB). Free memory was 68.7 MB in the beginning and 104.8 MB in the end (delta: -36.1 MB). Peak memory consumption was 113.8 MB. Max. memory is 16.1 GB. * Witness Printer took 185.23 ms. Allocated memory is still 192.9 MB. Free memory was 104.8 MB in the beginning and 95.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: (((((((\result == 0 && !(0 == systemActive)) && 2 <= \result) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || ((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) && tmp == 1) - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: ((((((((!(tmp___0 == 0) && !(\result == 0)) && \result == 0) && !(0 == systemActive)) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1) && tmp == 1 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || ((((((!(\result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: (((((((((!(\result == 0) && tmp___0 == 0) && !(tmp == 0)) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((1 <= tmp && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) && tmp == 1) || ((((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp == 0) && splverifierCounter == 0) && 2 <= tmp) && \result == 1) && tmp == 1)) || (((((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && tmp == 1 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: (((((\result == 0 && !(0 == systemActive)) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 120 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.3s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1543 SDtfs, 2304 SDslu, 2257 SDs, 0 SdLazy, 385 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=268occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 1034 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 123 NumberOfFragments, 568 HoareAnnotationTreeSize, 43 FomulaSimplifications, 2668045 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 43 FomulaSimplificationsInter, 219657 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 634 NumberOfCodeBlocks, 634 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 618 ConstructedInterpolants, 0 QuantifiedInterpolants, 44736 SizeOfPredicates, 4 NumberOfNonLiveVariables, 425 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 162/168 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...