./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product33.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_fff746d8-05f8-49ca-a9a5-8db24df627cd/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fff746d8-05f8-49ca-a9a5-8db24df627cd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fff746d8-05f8-49ca-a9a5-8db24df627cd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fff746d8-05f8-49ca-a9a5-8db24df627cd/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fff746d8-05f8-49ca-a9a5-8db24df627cd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fff746d8-05f8-49ca-a9a5-8db24df627cd/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 7c9c699b8f4baa8342fdac40487e4f330549e95c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:06:22,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:06:22,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:06:22,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:06:22,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:06:22,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:06:22,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:06:22,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:06:22,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:06:22,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:06:22,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:06:22,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:06:22,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:06:22,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:06:22,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:06:22,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:06:22,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:06:22,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:06:22,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:06:22,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:06:22,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:06:22,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:06:22,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:06:22,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:06:22,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:06:22,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:06:22,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:06:22,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:06:22,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:06:22,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:06:22,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:06:22,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:06:22,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:06:22,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:06:22,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:06:22,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:06:22,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:06:22,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:06:22,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:06:22,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:06:22,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:06:22,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fff746d8-05f8-49ca-a9a5-8db24df627cd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:06:22,293 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:06:22,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:06:22,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:06:22,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:06:22,296 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:06:22,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:06:22,297 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:06:22,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:06:22,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:06:22,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:06:22,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:06:22,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:06:22,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:06:22,300 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:06:22,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:06:22,300 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:06:22,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:06:22,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:06:22,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:06:22,301 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:06:22,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:06:22,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:06:22,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:06:22,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:06:22,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:06:22,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:06:22,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:06:22,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:06:22,303 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:06:22,304 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_fff746d8-05f8-49ca-a9a5-8db24df627cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fff746d8-05f8-49ca-a9a5-8db24df627cd/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c9c699b8f4baa8342fdac40487e4f330549e95c [2020-11-28 03:06:22,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:06:22,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:06:22,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:06:22,614 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:06:22,617 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:06:22,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fff746d8-05f8-49ca-a9a5-8db24df627cd/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c [2020-11-28 03:06:22,726 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fff746d8-05f8-49ca-a9a5-8db24df627cd/bin/uautomizer/data/be045dba9/ef783776eb0843b99e0e3cec9ab0dc08/FLAGef55d1d9f [2020-11-28 03:06:23,241 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:06:23,241 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fff746d8-05f8-49ca-a9a5-8db24df627cd/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c [2020-11-28 03:06:23,268 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fff746d8-05f8-49ca-a9a5-8db24df627cd/bin/uautomizer/data/be045dba9/ef783776eb0843b99e0e3cec9ab0dc08/FLAGef55d1d9f [2020-11-28 03:06:23,570 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fff746d8-05f8-49ca-a9a5-8db24df627cd/bin/uautomizer/data/be045dba9/ef783776eb0843b99e0e3cec9ab0dc08 [2020-11-28 03:06:23,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:06:23,574 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:06:23,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:06:23,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:06:23,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:06:23,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:06:23" (1/1) ... [2020-11-28 03:06:23,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62bcf1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:23, skipping insertion in model container [2020-11-28 03:06:23,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:06:23" (1/1) ... [2020-11-28 03:06:23,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:06:23,658 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:06:24,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:06:24,062 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:06:24,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:06:24,209 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:06:24,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:24 WrapperNode [2020-11-28 03:06:24,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:06:24,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:06:24,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:06:24,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:06:24,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:24" (1/1) ... [2020-11-28 03:06:24,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:24" (1/1) ... [2020-11-28 03:06:24,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:06:24,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:06:24,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:06:24,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:06:24,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:24" (1/1) ... [2020-11-28 03:06:24,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:24" (1/1) ... [2020-11-28 03:06:24,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:24" (1/1) ... [2020-11-28 03:06:24,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:24" (1/1) ... [2020-11-28 03:06:24,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:24" (1/1) ... [2020-11-28 03:06:24,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:24" (1/1) ... [2020-11-28 03:06:24,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:24" (1/1) ... [2020-11-28 03:06:24,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:06:24,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:06:24,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:06:24,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:06:24,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fff746d8-05f8-49ca-a9a5-8db24df627cd/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 [2020-11-28 03:06:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:06:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:06:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:06:24,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:06:25,553 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:06:25,553 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-11-28 03:06:25,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:06:25 BoogieIcfgContainer [2020-11-28 03:06:25,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:06:25,557 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:06:25,557 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:06:25,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:06:25,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:06:23" (1/3) ... [2020-11-28 03:06:25,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73201732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:06:25, skipping insertion in model container [2020-11-28 03:06:25,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:24" (2/3) ... [2020-11-28 03:06:25,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73201732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:06:25, skipping insertion in model container [2020-11-28 03:06:25,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:06:25" (3/3) ... [2020-11-28 03:06:25,564 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product33.cil.c [2020-11-28 03:06:25,575 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:06:25,579 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:06:25,592 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:06:25,630 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:06:25,630 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:06:25,630 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:06:25,631 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:06:25,631 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:06:25,631 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:06:25,631 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:06:25,631 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:06:25,656 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2020-11-28 03:06:25,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 03:06:25,662 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:25,663 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:06:25,663 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:25,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:25,668 INFO L82 PathProgramCache]: Analyzing trace with hash -997969315, now seen corresponding path program 1 times [2020-11-28 03:06:25,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:25,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018446566] [2020-11-28 03:06:25,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:25,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:25,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018446566] [2020-11-28 03:06:25,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:25,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:06:25,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884320015] [2020-11-28 03:06:25,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:06:25,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:26,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:06:26,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:06:26,009 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2020-11-28 03:06:26,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:26,053 INFO L93 Difference]: Finished difference Result 165 states and 248 transitions. [2020-11-28 03:06:26,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:06:26,055 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 03:06:26,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:26,070 INFO L225 Difference]: With dead ends: 165 [2020-11-28 03:06:26,070 INFO L226 Difference]: Without dead ends: 80 [2020-11-28 03:06:26,075 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 [2020-11-28 03:06:26,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-11-28 03:06:26,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2020-11-28 03:06:26,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-11-28 03:06:26,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 114 transitions. [2020-11-28 03:06:26,125 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 114 transitions. Word has length 18 [2020-11-28 03:06:26,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:26,126 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 114 transitions. [2020-11-28 03:06:26,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:06:26,127 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2020-11-28 03:06:26,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:06:26,129 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:26,129 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:06:26,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:06:26,130 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:26,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:26,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1909000068, now seen corresponding path program 1 times [2020-11-28 03:06:26,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:26,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310622263] [2020-11-28 03:06:26,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:26,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:26,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310622263] [2020-11-28 03:06:26,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:26,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:06:26,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639746634] [2020-11-28 03:06:26,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:06:26,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:26,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:06:26,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:06:26,296 INFO L87 Difference]: Start difference. First operand 80 states and 114 transitions. Second operand 3 states. [2020-11-28 03:06:26,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:26,311 INFO L93 Difference]: Finished difference Result 80 states and 114 transitions. [2020-11-28 03:06:26,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:06:26,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 03:06:26,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:26,313 INFO L225 Difference]: With dead ends: 80 [2020-11-28 03:06:26,313 INFO L226 Difference]: Without dead ends: 36 [2020-11-28 03:06:26,315 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 [2020-11-28 03:06:26,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-11-28 03:06:26,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-11-28 03:06:26,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-11-28 03:06:26,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 51 transitions. [2020-11-28 03:06:26,325 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 51 transitions. Word has length 19 [2020-11-28 03:06:26,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:26,325 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 51 transitions. [2020-11-28 03:06:26,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:06:26,325 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2020-11-28 03:06:26,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:06:26,326 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:26,327 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] [2020-11-28 03:06:26,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:06:26,327 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:26,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:26,328 INFO L82 PathProgramCache]: Analyzing trace with hash -196588044, now seen corresponding path program 1 times [2020-11-28 03:06:26,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:26,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531702385] [2020-11-28 03:06:26,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:26,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:26,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531702385] [2020-11-28 03:06:26,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:26,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:06:26,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244017136] [2020-11-28 03:06:26,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:06:26,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:26,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:06:26,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:06:26,425 INFO L87 Difference]: Start difference. First operand 36 states and 51 transitions. Second operand 3 states. [2020-11-28 03:06:26,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:26,441 INFO L93 Difference]: Finished difference Result 66 states and 96 transitions. [2020-11-28 03:06:26,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:06:26,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 03:06:26,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:26,446 INFO L225 Difference]: With dead ends: 66 [2020-11-28 03:06:26,446 INFO L226 Difference]: Without dead ends: 36 [2020-11-28 03:06:26,448 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 [2020-11-28 03:06:26,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-11-28 03:06:26,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-11-28 03:06:26,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-11-28 03:06:26,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 50 transitions. [2020-11-28 03:06:26,454 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 50 transitions. Word has length 24 [2020-11-28 03:06:26,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:26,454 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 50 transitions. [2020-11-28 03:06:26,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:06:26,455 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2020-11-28 03:06:26,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 03:06:26,456 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:26,456 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] [2020-11-28 03:06:26,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:06:26,456 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:26,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:26,457 INFO L82 PathProgramCache]: Analyzing trace with hash 961211503, now seen corresponding path program 1 times [2020-11-28 03:06:26,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:26,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066656553] [2020-11-28 03:06:26,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:26,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:26,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066656553] [2020-11-28 03:06:26,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:26,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:06:26,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582056754] [2020-11-28 03:06:26,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:06:26,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:26,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:06:26,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:06:26,592 INFO L87 Difference]: Start difference. First operand 36 states and 50 transitions. Second operand 3 states. [2020-11-28 03:06:26,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:26,627 INFO L93 Difference]: Finished difference Result 89 states and 127 transitions. [2020-11-28 03:06:26,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:06:26,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-11-28 03:06:26,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:26,629 INFO L225 Difference]: With dead ends: 89 [2020-11-28 03:06:26,630 INFO L226 Difference]: Without dead ends: 59 [2020-11-28 03:06:26,630 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 [2020-11-28 03:06:26,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-11-28 03:06:26,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2020-11-28 03:06:26,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-28 03:06:26,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2020-11-28 03:06:26,639 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 25 [2020-11-28 03:06:26,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:26,640 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2020-11-28 03:06:26,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:06:26,640 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2020-11-28 03:06:26,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-28 03:06:26,641 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:26,641 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] [2020-11-28 03:06:26,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:06:26,660 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:26,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:26,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1128412896, now seen corresponding path program 1 times [2020-11-28 03:06:26,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:26,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820361208] [2020-11-28 03:06:26,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:26,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:26,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820361208] [2020-11-28 03:06:26,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:26,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:06:26,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968797562] [2020-11-28 03:06:26,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:06:26,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:26,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:06:26,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:06:26,751 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand 5 states. [2020-11-28 03:06:26,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:26,836 INFO L93 Difference]: Finished difference Result 149 states and 209 transitions. [2020-11-28 03:06:26,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:06:26,839 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-11-28 03:06:26,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:26,840 INFO L225 Difference]: With dead ends: 149 [2020-11-28 03:06:26,840 INFO L226 Difference]: Without dead ends: 98 [2020-11-28 03:06:26,841 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 [2020-11-28 03:06:26,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-11-28 03:06:26,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 60. [2020-11-28 03:06:26,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-28 03:06:26,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2020-11-28 03:06:26,859 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 31 [2020-11-28 03:06:26,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:26,859 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2020-11-28 03:06:26,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:06:26,860 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2020-11-28 03:06:26,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-28 03:06:26,864 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:26,864 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] [2020-11-28 03:06:26,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:06:26,864 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:26,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:26,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1016803, now seen corresponding path program 1 times [2020-11-28 03:06:26,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:26,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479091756] [2020-11-28 03:06:26,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:26,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:26,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479091756] [2020-11-28 03:06:26,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:26,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:06:26,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068125271] [2020-11-28 03:06:26,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:06:26,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:26,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:06:26,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:06:26,959 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 5 states. [2020-11-28 03:06:27,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:27,270 INFO L93 Difference]: Finished difference Result 314 states and 451 transitions. [2020-11-28 03:06:27,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:06:27,270 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-11-28 03:06:27,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:27,273 INFO L225 Difference]: With dead ends: 314 [2020-11-28 03:06:27,273 INFO L226 Difference]: Without dead ends: 260 [2020-11-28 03:06:27,274 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 [2020-11-28 03:06:27,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-11-28 03:06:27,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2020-11-28 03:06:27,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-11-28 03:06:27,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 144 transitions. [2020-11-28 03:06:27,293 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 144 transitions. Word has length 31 [2020-11-28 03:06:27,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:27,294 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 144 transitions. [2020-11-28 03:06:27,294 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:06:27,294 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 144 transitions. [2020-11-28 03:06:27,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 03:06:27,295 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:27,295 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, 1] [2020-11-28 03:06:27,295 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:06:27,296 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:27,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:27,296 INFO L82 PathProgramCache]: Analyzing trace with hash -2111743067, now seen corresponding path program 1 times [2020-11-28 03:06:27,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:27,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101350959] [2020-11-28 03:06:27,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:27,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:27,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101350959] [2020-11-28 03:06:27,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:27,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:06:27,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441055754] [2020-11-28 03:06:27,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:06:27,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:27,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:06:27,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:06:27,377 INFO L87 Difference]: Start difference. First operand 106 states and 144 transitions. Second operand 4 states. [2020-11-28 03:06:27,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:27,483 INFO L93 Difference]: Finished difference Result 212 states and 295 transitions. [2020-11-28 03:06:27,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:06:27,484 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-11-28 03:06:27,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:27,486 INFO L225 Difference]: With dead ends: 212 [2020-11-28 03:06:27,486 INFO L226 Difference]: Without dead ends: 158 [2020-11-28 03:06:27,487 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 [2020-11-28 03:06:27,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-11-28 03:06:27,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2020-11-28 03:06:27,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-11-28 03:06:27,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 212 transitions. [2020-11-28 03:06:27,512 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 212 transitions. Word has length 32 [2020-11-28 03:06:27,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:27,512 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 212 transitions. [2020-11-28 03:06:27,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:06:27,512 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 212 transitions. [2020-11-28 03:06:27,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 03:06:27,514 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:27,515 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, 1] [2020-11-28 03:06:27,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:06:27,515 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:27,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:27,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1172106979, now seen corresponding path program 1 times [2020-11-28 03:06:27,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:27,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598202060] [2020-11-28 03:06:27,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:27,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:27,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598202060] [2020-11-28 03:06:27,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:27,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:06:27,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335346822] [2020-11-28 03:06:27,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:06:27,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:27,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:06:27,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:06:27,586 INFO L87 Difference]: Start difference. First operand 155 states and 212 transitions. Second operand 4 states. [2020-11-28 03:06:27,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:27,634 INFO L93 Difference]: Finished difference Result 350 states and 487 transitions. [2020-11-28 03:06:27,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:06:27,634 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-11-28 03:06:27,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:27,636 INFO L225 Difference]: With dead ends: 350 [2020-11-28 03:06:27,637 INFO L226 Difference]: Without dead ends: 246 [2020-11-28 03:06:27,641 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 [2020-11-28 03:06:27,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-11-28 03:06:27,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 152. [2020-11-28 03:06:27,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-11-28 03:06:27,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 208 transitions. [2020-11-28 03:06:27,670 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 208 transitions. Word has length 32 [2020-11-28 03:06:27,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:27,671 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 208 transitions. [2020-11-28 03:06:27,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:06:27,671 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 208 transitions. [2020-11-28 03:06:27,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 03:06:27,678 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:27,679 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, 1] [2020-11-28 03:06:27,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:06:27,679 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:27,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:27,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1737298786, now seen corresponding path program 1 times [2020-11-28 03:06:27,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:27,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112903216] [2020-11-28 03:06:27,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:27,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:27,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112903216] [2020-11-28 03:06:27,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:27,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:06:27,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215169043] [2020-11-28 03:06:27,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:06:27,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:27,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:06:27,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:06:27,766 INFO L87 Difference]: Start difference. First operand 152 states and 208 transitions. Second operand 5 states. [2020-11-28 03:06:27,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:27,917 INFO L93 Difference]: Finished difference Result 325 states and 456 transitions. [2020-11-28 03:06:27,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:06:27,917 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-28 03:06:27,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:27,918 INFO L225 Difference]: With dead ends: 325 [2020-11-28 03:06:27,918 INFO L226 Difference]: Without dead ends: 63 [2020-11-28 03:06:27,920 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 [2020-11-28 03:06:27,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-11-28 03:06:27,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 60. [2020-11-28 03:06:27,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-28 03:06:27,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 74 transitions. [2020-11-28 03:06:27,928 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 74 transitions. Word has length 32 [2020-11-28 03:06:27,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:27,929 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 74 transitions. [2020-11-28 03:06:27,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:06:27,929 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2020-11-28 03:06:27,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 03:06:27,930 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:27,930 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, 1] [2020-11-28 03:06:27,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:06:27,930 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:27,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:27,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1430272417, now seen corresponding path program 1 times [2020-11-28 03:06:27,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:06:27,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489187982] [2020-11-28 03:06:27,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:06:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:28,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:28,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489187982] [2020-11-28 03:06:28,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:28,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:06:28,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092835484] [2020-11-28 03:06:28,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:06:28,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:06:28,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:06:28,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:06:28,022 INFO L87 Difference]: Start difference. First operand 60 states and 74 transitions. Second operand 6 states. [2020-11-28 03:06:28,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:28,079 INFO L93 Difference]: Finished difference Result 103 states and 128 transitions. [2020-11-28 03:06:28,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:06:28,084 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-11-28 03:06:28,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:28,085 INFO L225 Difference]: With dead ends: 103 [2020-11-28 03:06:28,085 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:06:28,085 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 03:06:28,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:06:28,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:06:28,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:06:28,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:06:28,086 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2020-11-28 03:06:28,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:28,086 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:06:28,086 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:06:28,086 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:06:28,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:06:28,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:06:28,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:06:28,778 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:06:28,779 INFO L270 CegarLoopResult]: At program point L696(lines 695 714) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse2) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2020-11-28 03:06:28,779 INFO L274 CegarLoopResult]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2020-11-28 03:06:28,779 INFO L270 CegarLoopResult]: At program point L696-2(lines 695 714) the Hoare annotation is: false [2020-11-28 03:06:28,779 INFO L270 CegarLoopResult]: At program point L696-3(lines 695 714) the Hoare annotation is: false [2020-11-28 03:06:28,779 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:06:28,779 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:06:28,779 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:06:28,780 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:06:28,780 INFO L274 CegarLoopResult]: For program point L631(lines 630 675) no Hoare annotation was computed. [2020-11-28 03:06:28,780 INFO L274 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-11-28 03:06:28,780 INFO L274 CegarLoopResult]: For program point L615-1(line 615) no Hoare annotation was computed. [2020-11-28 03:06:28,780 INFO L274 CegarLoopResult]: For program point L615-2(line 615) no Hoare annotation was computed. [2020-11-28 03:06:28,780 INFO L274 CegarLoopResult]: For program point L830(lines 830 834) no Hoare annotation was computed. [2020-11-28 03:06:28,780 INFO L274 CegarLoopResult]: For program point L830-2(lines 830 834) no Hoare annotation was computed. [2020-11-28 03:06:28,780 INFO L274 CegarLoopResult]: For program point L830-3(lines 830 834) no Hoare annotation was computed. [2020-11-28 03:06:28,780 INFO L274 CegarLoopResult]: For program point L830-5(lines 830 834) no Hoare annotation was computed. [2020-11-28 03:06:28,781 INFO L274 CegarLoopResult]: For program point L632(lines 632 636) no Hoare annotation was computed. [2020-11-28 03:06:28,781 INFO L274 CegarLoopResult]: For program point L830-6(lines 830 834) no Hoare annotation was computed. [2020-11-28 03:06:28,781 INFO L274 CegarLoopResult]: For program point L830-8(lines 830 834) no Hoare annotation was computed. [2020-11-28 03:06:28,781 INFO L270 CegarLoopResult]: At program point L781(lines 776 784) the Hoare annotation is: (and (= ~pumpRunning~0 1) (= 1 ~systemActive~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 1)) [2020-11-28 03:06:28,781 INFO L270 CegarLoopResult]: At program point L781-1(lines 776 784) the Hoare annotation is: false [2020-11-28 03:06:28,781 INFO L270 CegarLoopResult]: At program point L781-2(lines 776 784) the Hoare annotation is: false [2020-11-28 03:06:28,781 INFO L270 CegarLoopResult]: At program point L137(lines 128 141) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2020-11-28 03:06:28,782 INFO L270 CegarLoopResult]: At program point L137-1(lines 128 141) the Hoare annotation is: false [2020-11-28 03:06:28,782 INFO L270 CegarLoopResult]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2020-11-28 03:06:28,782 INFO L270 CegarLoopResult]: At program point L897(lines 1 908) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-28 03:06:28,782 INFO L274 CegarLoopResult]: For program point L732(lines 732 740) no Hoare annotation was computed. [2020-11-28 03:06:28,782 INFO L274 CegarLoopResult]: For program point L732-1(lines 732 740) no Hoare annotation was computed. [2020-11-28 03:06:28,782 INFO L274 CegarLoopResult]: For program point L666(lines 666 670) no Hoare annotation was computed. [2020-11-28 03:06:28,782 INFO L274 CegarLoopResult]: For program point L732-2(lines 732 740) no Hoare annotation was computed. [2020-11-28 03:06:28,782 INFO L274 CegarLoopResult]: For program point L666-2(lines 696 702) no Hoare annotation was computed. [2020-11-28 03:06:28,782 INFO L274 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2020-11-28 03:06:28,783 INFO L274 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2020-11-28 03:06:28,783 INFO L274 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2020-11-28 03:06:28,783 INFO L270 CegarLoopResult]: At program point L204(lines 200 206) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-28 03:06:28,783 INFO L274 CegarLoopResult]: For program point L650(lines 650 656) no Hoare annotation was computed. [2020-11-28 03:06:28,783 INFO L270 CegarLoopResult]: At program point L650-1(lines 650 656) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse2) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2020-11-28 03:06:28,783 INFO L270 CegarLoopResult]: At program point L155-2(lines 155 169) the Hoare annotation is: false [2020-11-28 03:06:28,783 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-11-28 03:06:28,783 INFO L274 CegarLoopResult]: For program point L850(lines 850 870) no Hoare annotation was computed. [2020-11-28 03:06:28,784 INFO L274 CegarLoopResult]: For program point L850-2(lines 850 870) no Hoare annotation was computed. [2020-11-28 03:06:28,784 INFO L274 CegarLoopResult]: For program point L850-4(lines 850 870) no Hoare annotation was computed. [2020-11-28 03:06:28,784 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:06:28,784 INFO L270 CegarLoopResult]: At program point L124(lines 119 127) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse1) (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0) .cse1 (= |ULTIMATE.start_getWaterLevel_#res| 1) (= ULTIMATE.start_processEnvironment_~tmp~5 0)))) [2020-11-28 03:06:28,784 INFO L270 CegarLoopResult]: At program point L124-1(lines 119 127) the Hoare annotation is: false [2020-11-28 03:06:28,784 INFO L270 CegarLoopResult]: At program point L124-2(lines 119 127) the Hoare annotation is: false [2020-11-28 03:06:28,784 INFO L277 CegarLoopResult]: At program point L240(lines 221 243) the Hoare annotation is: true [2020-11-28 03:06:28,785 INFO L270 CegarLoopResult]: At program point L703(lines 703 709) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0) .cse1 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (and .cse0 (= ~pumpRunning~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse1))) [2020-11-28 03:06:28,785 INFO L270 CegarLoopResult]: At program point L703-1(lines 703 709) the Hoare annotation is: false [2020-11-28 03:06:28,785 INFO L270 CegarLoopResult]: At program point L703-2(lines 703 709) the Hoare annotation is: false [2020-11-28 03:06:28,785 INFO L270 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse1) (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0) .cse1 (= ULTIMATE.start_processEnvironment_~tmp~5 0)))) [2020-11-28 03:06:28,785 INFO L270 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2020-11-28 03:06:28,785 INFO L270 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2020-11-28 03:06:28,785 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:06:28,786 INFO L270 CegarLoopResult]: At program point L836(lines 821 839) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not .cse0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 (not .cse5)) (and .cse1 (let ((.cse6 (= ~waterLevel~0 1))) (or (and .cse6 .cse2 .cse3 .cse4) (and .cse6 .cse5 .cse0 .cse3 .cse4)))))) [2020-11-28 03:06:28,786 INFO L270 CegarLoopResult]: At program point L836-1(lines 821 839) the Hoare annotation is: false [2020-11-28 03:06:28,786 INFO L270 CegarLoopResult]: At program point L836-2(lines 821 839) the Hoare annotation is: false [2020-11-28 03:06:28,786 INFO L274 CegarLoopResult]: For program point L159(lines 159 163) no Hoare annotation was computed. [2020-11-28 03:06:28,786 INFO L274 CegarLoopResult]: For program point L159-1(lines 696 702) no Hoare annotation was computed. [2020-11-28 03:06:28,786 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:06:28,786 INFO L274 CegarLoopResult]: For program point L640(lines 640 646) no Hoare annotation was computed. [2020-11-28 03:06:28,794 INFO L270 CegarLoopResult]: At program point L640-1(lines 640 646) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse2) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2020-11-28 03:06:28,794 INFO L274 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2020-11-28 03:06:28,794 INFO L270 CegarLoopResult]: At program point L905(lines 900 908) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-28 03:06:28,795 INFO L274 CegarLoopResult]: For program point L856(lines 856 869) no Hoare annotation was computed. [2020-11-28 03:06:28,795 INFO L270 CegarLoopResult]: At program point L856-1(lines 1 908) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse1) (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0) .cse1))) [2020-11-28 03:06:28,795 INFO L274 CegarLoopResult]: For program point L856-2(lines 856 869) no Hoare annotation was computed. [2020-11-28 03:06:28,795 INFO L270 CegarLoopResult]: At program point L856-3(lines 1 908) the Hoare annotation is: false [2020-11-28 03:06:28,795 INFO L274 CegarLoopResult]: For program point L856-4(lines 856 869) no Hoare annotation was computed. [2020-11-28 03:06:28,795 INFO L270 CegarLoopResult]: At program point L856-5(lines 1 908) the Hoare annotation is: false [2020-11-28 03:06:28,795 INFO L270 CegarLoopResult]: At program point L676(lines 629 677) the Hoare annotation is: false [2020-11-28 03:06:28,796 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:06:28,796 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:06:28,796 INFO L274 CegarLoopResult]: For program point L660(lines 660 671) no Hoare annotation was computed. [2020-11-28 03:06:28,796 INFO L274 CegarLoopResult]: For program point L231(lines 231 238) no Hoare annotation was computed. [2020-11-28 03:06:28,796 INFO L277 CegarLoopResult]: At program point L231-1(lines 231 238) the Hoare annotation is: true [2020-11-28 03:06:28,796 INFO L274 CegarLoopResult]: For program point L132(lines 132 138) no Hoare annotation was computed. [2020-11-28 03:06:28,796 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-11-28 03:06:28,796 INFO L274 CegarLoopResult]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2020-11-28 03:06:28,797 INFO L274 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2020-11-28 03:06:28,797 INFO L274 CegarLoopResult]: For program point L860(lines 860 866) no Hoare annotation was computed. [2020-11-28 03:06:28,797 INFO L274 CegarLoopResult]: For program point L860-2(lines 860 866) no Hoare annotation was computed. [2020-11-28 03:06:28,797 INFO L274 CegarLoopResult]: For program point L728(lines 728 745) no Hoare annotation was computed. [2020-11-28 03:06:28,797 INFO L274 CegarLoopResult]: For program point L860-4(lines 860 866) no Hoare annotation was computed. [2020-11-28 03:06:28,797 INFO L274 CegarLoopResult]: For program point L728-1(lines 728 745) no Hoare annotation was computed. [2020-11-28 03:06:28,797 INFO L274 CegarLoopResult]: For program point L728-2(lines 728 745) no Hoare annotation was computed. [2020-11-28 03:06:28,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:06:28 BoogieIcfgContainer [2020-11-28 03:06:28,841 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:06:28,842 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:06:28,842 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:06:28,842 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:06:28,842 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:06:25" (3/4) ... [2020-11-28 03:06:28,849 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:06:28,875 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:06:28,878 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:06:28,878 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:06:28,879 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:06:28,883 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:06:28,884 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:06:28,885 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:06:28,920 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 03:06:28,921 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) || (((((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0) [2020-11-28 03:06:28,921 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (1 == systemActive && ((((waterLevel == 1 && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && tmp___0 == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0))) [2020-11-28 03:06:28,926 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && \result == 1 [2020-11-28 03:06:29,016 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fff746d8-05f8-49ca-a9a5-8db24df627cd/bin/uautomizer/witness.graphml [2020-11-28 03:06:29,016 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:06:29,018 INFO L168 Benchmark]: Toolchain (without parser) took 5443.10 ms. Allocated memory was 90.2 MB in the beginning and 142.6 MB in the end (delta: 52.4 MB). Free memory was 58.4 MB in the beginning and 69.6 MB in the end (delta: -11.2 MB). Peak memory consumption was 42.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:29,019 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 90.2 MB. Free memory was 46.8 MB in the beginning and 46.7 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:06:29,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.75 ms. Allocated memory is still 90.2 MB. Free memory was 58.2 MB in the beginning and 58.1 MB in the end (delta: 70.0 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:29,022 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.04 ms. Allocated memory is still 90.2 MB. Free memory was 57.7 MB in the beginning and 54.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:29,022 INFO L168 Benchmark]: Boogie Preprocessor took 85.73 ms. Allocated memory is still 90.2 MB. Free memory was 54.8 MB in the beginning and 52.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:29,023 INFO L168 Benchmark]: RCFGBuilder took 1165.41 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 52.7 MB in the beginning and 60.8 MB in the end (delta: -8.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:29,024 INFO L168 Benchmark]: TraceAbstraction took 3284.21 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 60.2 MB in the beginning and 77.9 MB in the end (delta: -17.8 MB). Peak memory consumption was 47.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:29,024 INFO L168 Benchmark]: Witness Printer took 174.94 ms. Allocated memory is still 142.6 MB. Free memory was 77.9 MB in the beginning and 69.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:29,026 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 90.2 MB. Free memory was 46.8 MB in the beginning and 46.7 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 634.75 ms. Allocated memory is still 90.2 MB. Free memory was 58.2 MB in the beginning and 58.1 MB in the end (delta: 70.0 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.04 ms. Allocated memory is still 90.2 MB. Free memory was 57.7 MB in the beginning and 54.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.73 ms. Allocated memory is still 90.2 MB. Free memory was 54.8 MB in the beginning and 52.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1165.41 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 52.7 MB in the beginning and 60.8 MB in the end (delta: -8.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3284.21 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 60.2 MB in the beginning and 77.9 MB in the end (delta: -17.8 MB). Peak memory consumption was 47.9 MB. Max. memory is 16.1 GB. * Witness Printer took 174.94 ms. Allocated memory is still 142.6 MB. Free memory was 77.9 MB in the beginning and 69.6 MB in the end (delta: 8.4 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: 629]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 1) && tmp == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((pumpRunning == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) || (((((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) || (((1 == systemActive && pumpRunning == 1) && tmp == 0) && splverifierCounter == 0) - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (1 == systemActive && ((((waterLevel == 1 && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && tmp___0 == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0))) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: (((pumpRunning == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((pumpRunning == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 1 && 1 == systemActive) && tmp == 0) && splverifierCounter == 0) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 1) && tmp == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 1) && tmp == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 87 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.4s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 742 SDtfs, 666 SDslu, 950 SDs, 0 SdLazy, 147 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 294 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 88 NumberOfFragments, 398 HoareAnnotationTreeSize, 33 FomulaSimplifications, 5506 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 33 FomulaSimplificationsInter, 16 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 266 ConstructedInterpolants, 0 QuantifiedInterpolants, 13637 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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...