./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7f07b91e-6bf7-4b1f-acb2-ef134fea502b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7f07b91e-6bf7-4b1f-acb2-ef134fea502b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7f07b91e-6bf7-4b1f-acb2-ef134fea502b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7f07b91e-6bf7-4b1f-acb2-ef134fea502b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7f07b91e-6bf7-4b1f-acb2-ef134fea502b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7f07b91e-6bf7-4b1f-acb2-ef134fea502b/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0335c6392c59c467837b14da92286fa43b99dfc ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:02:24,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:24,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:24,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:24,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:24,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:24,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:24,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:24,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:24,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:24,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:24,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:24,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:24,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:24,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:24,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:24,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:24,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:24,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:24,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:24,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:24,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:24,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:24,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:24,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:24,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:24,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:24,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:24,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:24,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:24,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:24,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:24,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:24,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:24,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:24,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:24,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:24,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:24,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:24,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:24,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:24,119 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7f07b91e-6bf7-4b1f-acb2-ef134fea502b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:02:24,129 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:24,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:24,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:24,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:24,131 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:24,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:24,131 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:24,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:24,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:24,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:24,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:02:24,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:24,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:02:24,132 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:24,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:02:24,133 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:24,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:02:24,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:24,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:24,133 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:24,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:24,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:24,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:24,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:24,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:02:24,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:24,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:02:24,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:02:24,136 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/working_dir_7f07b91e-6bf7-4b1f-acb2-ef134fea502b/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(__VERIFIER_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 -> f0335c6392c59c467837b14da92286fa43b99dfc [2019-10-22 09:02:24,161 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:24,170 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:24,173 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:24,174 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:24,174 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:24,175 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7f07b91e-6bf7-4b1f-acb2-ef134fea502b/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2019-10-22 09:02:24,217 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f07b91e-6bf7-4b1f-acb2-ef134fea502b/bin/uautomizer/data/cf2882daf/9c6538c7a70d4710bcc526d956b32e90/FLAG4205366c1 [2019-10-22 09:02:24,614 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:24,615 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7f07b91e-6bf7-4b1f-acb2-ef134fea502b/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2019-10-22 09:02:24,626 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f07b91e-6bf7-4b1f-acb2-ef134fea502b/bin/uautomizer/data/cf2882daf/9c6538c7a70d4710bcc526d956b32e90/FLAG4205366c1 [2019-10-22 09:02:24,636 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7f07b91e-6bf7-4b1f-acb2-ef134fea502b/bin/uautomizer/data/cf2882daf/9c6538c7a70d4710bcc526d956b32e90 [2019-10-22 09:02:24,638 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:24,639 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:02:24,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:24,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:24,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:24,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:24" (1/1) ... [2019-10-22 09:02:24,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c7e792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:24, skipping insertion in model container [2019-10-22 09:02:24,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:24" (1/1) ... [2019-10-22 09:02:24,652 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:24,686 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:24,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:25,010 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:25,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:25,102 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:25,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:25 WrapperNode [2019-10-22 09:02:25,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:25,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:25,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:02:25,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:02:25,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:25" (1/1) ... [2019-10-22 09:02:25,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:25" (1/1) ... [2019-10-22 09:02:25,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:25,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:25,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:25,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:25,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:25" (1/1) ... [2019-10-22 09:02:25,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:25" (1/1) ... [2019-10-22 09:02:25,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:25" (1/1) ... [2019-10-22 09:02:25,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:25" (1/1) ... [2019-10-22 09:02:25,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:25" (1/1) ... [2019-10-22 09:02:25,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:25" (1/1) ... [2019-10-22 09:02:25,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:25" (1/1) ... [2019-10-22 09:02:25,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:25,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:25,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:25,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:25,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f07b91e-6bf7-4b1f-acb2-ef134fea502b/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 [2019-10-22 09:02:25,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:02:25,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:02:25,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:25,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:25,981 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:25,981 INFO L284 CfgBuilder]: Removed 102 assume(true) statements. [2019-10-22 09:02:25,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:25 BoogieIcfgContainer [2019-10-22 09:02:25,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:25,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:02:25,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:02:25,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:02:25,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:02:24" (1/3) ... [2019-10-22 09:02:25,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d8990d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:25, skipping insertion in model container [2019-10-22 09:02:25,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:25" (2/3) ... [2019-10-22 09:02:25,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d8990d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:25, skipping insertion in model container [2019-10-22 09:02:25,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:25" (3/3) ... [2019-10-22 09:02:25,991 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2019-10-22 09:02:26,001 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:02:26,011 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 09:02:26,022 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 09:02:26,045 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:02:26,045 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:02:26,045 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:02:26,045 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:26,046 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:26,046 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:02:26,046 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:26,046 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:02:26,061 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-10-22 09:02:26,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 09:02:26,068 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:26,069 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:26,071 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:26,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:26,075 INFO L82 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2019-10-22 09:02:26,082 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:26,082 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256728246] [2019-10-22 09:02:26,083 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:26,083 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:26,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:26,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:26,259 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256728246] [2019-10-22 09:02:26,259 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:26,260 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:02:26,260 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769427359] [2019-10-22 09:02:26,264 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 09:02:26,264 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:26,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 09:02:26,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 09:02:26,281 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-10-22 09:02:26,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:26,306 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2019-10-22 09:02:26,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 09:02:26,307 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 09:02:26,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:26,316 INFO L225 Difference]: With dead ends: 136 [2019-10-22 09:02:26,316 INFO L226 Difference]: Without dead ends: 67 [2019-10-22 09:02:26,319 INFO L600 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 [2019-10-22 09:02:26,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-10-22 09:02:26,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2019-10-22 09:02:26,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2019-10-22 09:02:26,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2019-10-22 09:02:26,358 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2019-10-22 09:02:26,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:26,359 INFO L462 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2019-10-22 09:02:26,359 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 09:02:26,359 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2019-10-22 09:02:26,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 09:02:26,360 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:26,360 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:26,360 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:26,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:26,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2019-10-22 09:02:26,361 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:26,361 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799647898] [2019-10-22 09:02:26,361 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:26,361 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:26,361 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:26,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:26,440 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799647898] [2019-10-22 09:02:26,440 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:26,440 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:26,440 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971436411] [2019-10-22 09:02:26,442 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:02:26,442 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:26,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:02:26,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:26,443 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2019-10-22 09:02:26,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:26,460 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2019-10-22 09:02:26,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:26,462 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 09:02:26,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:26,463 INFO L225 Difference]: With dead ends: 67 [2019-10-22 09:02:26,463 INFO L226 Difference]: Without dead ends: 33 [2019-10-22 09:02:26,464 INFO L600 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 [2019-10-22 09:02:26,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-10-22 09:02:26,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-10-22 09:02:26,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-10-22 09:02:26,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2019-10-22 09:02:26,470 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2019-10-22 09:02:26,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:26,471 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2019-10-22 09:02:26,471 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:02:26,471 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-10-22 09:02:26,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 09:02:26,471 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:26,472 INFO L380 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] [2019-10-22 09:02:26,472 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:26,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:26,472 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2019-10-22 09:02:26,472 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:26,473 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372415120] [2019-10-22 09:02:26,473 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:26,473 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:26,473 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:26,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:26,576 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372415120] [2019-10-22 09:02:26,576 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:26,576 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:02:26,577 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509647539] [2019-10-22 09:02:26,577 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:02:26,577 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:26,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:02:26,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:26,578 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 5 states. [2019-10-22 09:02:26,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:26,757 INFO L93 Difference]: Finished difference Result 83 states and 120 transitions. [2019-10-22 09:02:26,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:02:26,758 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-10-22 09:02:26,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:26,759 INFO L225 Difference]: With dead ends: 83 [2019-10-22 09:02:26,759 INFO L226 Difference]: Without dead ends: 56 [2019-10-22 09:02:26,761 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:02:26,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-10-22 09:02:26,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2019-10-22 09:02:26,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-10-22 09:02:26,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2019-10-22 09:02:26,772 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2019-10-22 09:02:26,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:26,772 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2019-10-22 09:02:26,772 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:02:26,773 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2019-10-22 09:02:26,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 09:02:26,773 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:26,773 INFO L380 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] [2019-10-22 09:02:26,774 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:26,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:26,774 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2019-10-22 09:02:26,774 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:26,775 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630649081] [2019-10-22 09:02:26,775 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:26,775 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:26,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:26,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:26,838 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630649081] [2019-10-22 09:02:26,838 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:26,838 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:02:26,839 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814514823] [2019-10-22 09:02:26,839 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:02:26,839 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:26,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:02:26,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:26,840 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2019-10-22 09:02:26,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:26,923 INFO L93 Difference]: Finished difference Result 189 states and 287 transitions. [2019-10-22 09:02:26,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:02:26,924 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-10-22 09:02:26,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:26,925 INFO L225 Difference]: With dead ends: 189 [2019-10-22 09:02:26,925 INFO L226 Difference]: Without dead ends: 143 [2019-10-22 09:02:26,926 INFO L600 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 [2019-10-22 09:02:26,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-10-22 09:02:26,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 92. [2019-10-22 09:02:26,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-10-22 09:02:26,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2019-10-22 09:02:26,952 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 23 [2019-10-22 09:02:26,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:26,952 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2019-10-22 09:02:26,952 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:02:26,952 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2019-10-22 09:02:26,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 09:02:26,953 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:26,953 INFO L380 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] [2019-10-22 09:02:26,953 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:26,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:26,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1869425907, now seen corresponding path program 1 times [2019-10-22 09:02:26,954 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:26,959 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268330163] [2019-10-22 09:02:26,959 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:26,959 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:26,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:27,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:27,067 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268330163] [2019-10-22 09:02:27,067 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:27,067 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:02:27,067 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377645373] [2019-10-22 09:02:27,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:02:27,068 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:27,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:02:27,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:27,069 INFO L87 Difference]: Start difference. First operand 92 states and 131 transitions. Second operand 5 states. [2019-10-22 09:02:27,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:27,137 INFO L93 Difference]: Finished difference Result 232 states and 343 transitions. [2019-10-22 09:02:27,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:02:27,138 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-22 09:02:27,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:27,139 INFO L225 Difference]: With dead ends: 232 [2019-10-22 09:02:27,139 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:02:27,140 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:02:27,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:02:27,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:02:27,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:02:27,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:02:27,141 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2019-10-22 09:02:27,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:27,141 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:02:27,141 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:02:27,142 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:02:27,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:02:27,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:02:27,546 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2019-10-22 09:02:27,547 INFO L443 ceAbstractionStarter]: For program point L828(lines 827 876) no Hoare annotation was computed. [2019-10-22 09:02:27,547 INFO L439 ceAbstractionStarter]: At program point L151(lines 1 893) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 09:02:27,547 INFO L443 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2019-10-22 09:02:27,547 INFO L443 ceAbstractionStarter]: For program point L52-3(lines 52 56) no Hoare annotation was computed. [2019-10-22 09:02:27,547 INFO L443 ceAbstractionStarter]: For program point L52-6(lines 52 56) no Hoare annotation was computed. [2019-10-22 09:02:27,547 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:02:27,548 INFO L443 ceAbstractionStarter]: For program point L829(lines 829 833) no Hoare annotation was computed. [2019-10-22 09:02:27,548 INFO L443 ceAbstractionStarter]: For program point L797(lines 797 803) no Hoare annotation was computed. [2019-10-22 09:02:27,548 INFO L439 ceAbstractionStarter]: At program point L797-1(lines 797 803) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:27,548 INFO L443 ceAbstractionStarter]: For program point L847(lines 847 853) no Hoare annotation was computed. [2019-10-22 09:02:27,548 INFO L439 ceAbstractionStarter]: At program point L847-1(lines 847 853) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:27,548 INFO L439 ceAbstractionStarter]: At program point L121(lines 116 124) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:27,548 INFO L439 ceAbstractionStarter]: At program point L121-1(lines 116 124) the Hoare annotation is: false [2019-10-22 09:02:27,548 INFO L439 ceAbstractionStarter]: At program point L121-2(lines 116 124) the Hoare annotation is: false [2019-10-22 09:02:27,549 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 871) no Hoare annotation was computed. [2019-10-22 09:02:27,549 INFO L439 ceAbstractionStarter]: At program point L865-1(lines 668 674) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:27,549 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 717) no Hoare annotation was computed. [2019-10-22 09:02:27,549 INFO L443 ceAbstractionStarter]: For program point L700-1(lines 700 717) no Hoare annotation was computed. [2019-10-22 09:02:27,549 INFO L443 ceAbstractionStarter]: For program point L700-2(lines 700 717) no Hoare annotation was computed. [2019-10-22 09:02:27,549 INFO L439 ceAbstractionStarter]: At program point L89(lines 84 92) the Hoare annotation is: false [2019-10-22 09:02:27,549 INFO L439 ceAbstractionStarter]: At program point L89-1(lines 84 92) the Hoare annotation is: false [2019-10-22 09:02:27,549 INFO L439 ceAbstractionStarter]: At program point L89-2(lines 84 92) the Hoare annotation is: false [2019-10-22 09:02:27,549 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2019-10-22 09:02:27,550 INFO L439 ceAbstractionStarter]: At program point L668(lines 667 686) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:27,550 INFO L443 ceAbstractionStarter]: For program point L668-1(lines 668 674) no Hoare annotation was computed. [2019-10-22 09:02:27,550 INFO L439 ceAbstractionStarter]: At program point L668-2(lines 667 686) the Hoare annotation is: false [2019-10-22 09:02:27,550 INFO L439 ceAbstractionStarter]: At program point L668-3(lines 667 686) the Hoare annotation is: false [2019-10-22 09:02:27,551 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:02:27,551 INFO L439 ceAbstractionStarter]: At program point L753(lines 748 756) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:27,552 INFO L439 ceAbstractionStarter]: At program point L753-1(lines 748 756) the Hoare annotation is: false [2019-10-22 09:02:27,552 INFO L439 ceAbstractionStarter]: At program point L753-2(lines 748 756) the Hoare annotation is: false [2019-10-22 09:02:27,552 INFO L443 ceAbstractionStarter]: For program point L76(lines 76 80) no Hoare annotation was computed. [2019-10-22 09:02:27,552 INFO L446 ceAbstractionStarter]: At program point L258(lines 239 261) the Hoare annotation is: true [2019-10-22 09:02:27,552 INFO L439 ceAbstractionStarter]: At program point L225(lines 221 227) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 09:02:27,552 INFO L443 ceAbstractionStarter]: For program point L704(lines 704 712) no Hoare annotation was computed. [2019-10-22 09:02:27,552 INFO L439 ceAbstractionStarter]: At program point L159(lines 154 162) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-10-22 09:02:27,552 INFO L443 ceAbstractionStarter]: For program point L704-1(lines 704 712) no Hoare annotation was computed. [2019-10-22 09:02:27,552 INFO L443 ceAbstractionStarter]: For program point L704-2(lines 704 712) no Hoare annotation was computed. [2019-10-22 09:02:27,553 INFO L439 ceAbstractionStarter]: At program point L176-2(lines 176 190) the Hoare annotation is: false [2019-10-22 09:02:27,553 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 843) no Hoare annotation was computed. [2019-10-22 09:02:27,553 INFO L439 ceAbstractionStarter]: At program point L837-1(lines 837 843) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:27,553 INFO L443 ceAbstractionStarter]: For program point L639(lines 639 652) no Hoare annotation was computed. [2019-10-22 09:02:27,553 INFO L439 ceAbstractionStarter]: At program point L639-1(lines 1 893) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:27,553 INFO L443 ceAbstractionStarter]: For program point L639-2(lines 639 652) no Hoare annotation was computed. [2019-10-22 09:02:27,553 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:02:27,553 INFO L439 ceAbstractionStarter]: At program point L639-3(lines 1 893) the Hoare annotation is: false [2019-10-22 09:02:27,553 INFO L443 ceAbstractionStarter]: For program point L639-4(lines 639 652) no Hoare annotation was computed. [2019-10-22 09:02:27,554 INFO L439 ceAbstractionStarter]: At program point L639-5(lines 1 893) the Hoare annotation is: false [2019-10-22 09:02:27,554 INFO L443 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2019-10-22 09:02:27,554 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2019-10-22 09:02:27,554 INFO L439 ceAbstractionStarter]: At program point L675(lines 675 681) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 09:02:27,554 INFO L439 ceAbstractionStarter]: At program point L675-1(lines 675 681) the Hoare annotation is: false [2019-10-22 09:02:27,554 INFO L439 ceAbstractionStarter]: At program point L675-2(lines 675 681) the Hoare annotation is: false [2019-10-22 09:02:27,554 INFO L443 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2019-10-22 09:02:27,554 INFO L443 ceAbstractionStarter]: For program point L890(line 890) no Hoare annotation was computed. [2019-10-22 09:02:27,554 INFO L443 ceAbstractionStarter]: For program point L857(lines 857 872) no Hoare annotation was computed. [2019-10-22 09:02:27,555 INFO L443 ceAbstractionStarter]: For program point L890-1(line 890) no Hoare annotation was computed. [2019-10-22 09:02:27,555 INFO L443 ceAbstractionStarter]: For program point L890-2(line 890) no Hoare annotation was computed. [2019-10-22 09:02:27,555 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-22 09:02:27,555 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 668 674) no Hoare annotation was computed. [2019-10-22 09:02:27,555 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-10-22 09:02:27,555 INFO L443 ceAbstractionStarter]: For program point L643-2(lines 643 649) no Hoare annotation was computed. [2019-10-22 09:02:27,555 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:02:27,555 INFO L443 ceAbstractionStarter]: For program point L643-4(lines 643 649) no Hoare annotation was computed. [2019-10-22 09:02:27,556 INFO L439 ceAbstractionStarter]: At program point L744(lines 737 747) the Hoare annotation is: false [2019-10-22 09:02:27,556 INFO L439 ceAbstractionStarter]: At program point L744-1(lines 737 747) the Hoare annotation is: false [2019-10-22 09:02:27,556 INFO L439 ceAbstractionStarter]: At program point L744-2(lines 737 747) the Hoare annotation is: false [2019-10-22 09:02:27,556 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 256) no Hoare annotation was computed. [2019-10-22 09:02:27,556 INFO L446 ceAbstractionStarter]: At program point L249-1(lines 249 256) the Hoare annotation is: true [2019-10-22 09:02:27,556 INFO L439 ceAbstractionStarter]: At program point L877(lines 826 878) the Hoare annotation is: false [2019-10-22 09:02:27,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:02:27 BoogieIcfgContainer [2019-10-22 09:02:27,574 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:02:27,575 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:02:27,575 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:02:27,575 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:02:27,575 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:25" (3/4) ... [2019-10-22 09:02:27,579 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:02:27,593 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 09:02:27,594 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 09:02:27,594 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 09:02:27,595 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:02:27,595 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:02:27,596 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 09:02:27,623 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-10-22 09:02:27,624 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) [2019-10-22 09:02:27,624 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:02:27,624 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:02:27,625 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:02:27,625 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:02:27,625 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:02:27,625 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:02:27,626 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:02:27,626 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:02:27,627 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 09:02:27,675 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7f07b91e-6bf7-4b1f-acb2-ef134fea502b/bin/uautomizer/witness.graphml [2019-10-22 09:02:27,675 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:02:27,677 INFO L168 Benchmark]: Toolchain (without parser) took 3037.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 945.9 MB in the beginning and 898.0 MB in the end (delta: 47.9 MB). Peak memory consumption was 185.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:27,678 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:27,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 462.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -175.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:27,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:27,679 INFO L168 Benchmark]: Boogie Preprocessor took 53.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:27,679 INFO L168 Benchmark]: RCFGBuilder took 766.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:27,679 INFO L168 Benchmark]: TraceAbstraction took 1590.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 903.4 MB in the end (delta: 156.7 MB). Peak memory consumption was 156.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:27,680 INFO L168 Benchmark]: Witness Printer took 100.89 ms. Allocated memory is still 1.2 GB. Free memory was 903.4 MB in the beginning and 898.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:27,681 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 462.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -175.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 766.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1590.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 903.4 MB in the end (delta: 156.7 MB). Peak memory consumption was 156.7 MB. Max. memory is 11.5 GB. * Witness Printer took 100.89 ms. Allocated memory is still 1.2 GB. Free memory was 903.4 MB in the beginning and 898.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 890]: 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: 837]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: (((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 3 error locations. Result: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 308 SDtfs, 451 SDslu, 258 SDs, 0 SdLazy, 59 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 55 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 94 NumberOfFragments, 183 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1697 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 272 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4057 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...