./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/bin/uautomizer-UnR33cPsHg --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 4583285deb29d8014ded34089a46614a743cea13eee9bbb990cdfd770bfce36e ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:12:11,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:12:11,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:12:11,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:12:11,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:12:11,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:12:11,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:12:11,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:12:11,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:12:11,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:12:11,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:12:11,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:12:11,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:12:11,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:12:11,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:12:11,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:12:11,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:12:11,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:12:11,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:12:11,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:12:11,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:12:11,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:12:11,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:12:11,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:12:11,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:12:11,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:12:11,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:12:11,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:12:11,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:12:11,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:12:11,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:12:11,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:12:11,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:12:11,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:12:11,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:12:11,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:12:11,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:12:11,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:12:11,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:12:11,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:12:11,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:12:11,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:12:11,252 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:12:11,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:12:11,253 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:12:11,253 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:12:11,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:12:11,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:12:11,255 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:12:11,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:12:11,256 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:12:11,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:12:11,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:12:11,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:12:11,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:12:11,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:12:11,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:12:11,258 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:12:11,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:12:11,259 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:12:11,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:12:11,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:12:11,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:12:11,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:12:11,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:12:11,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:12:11,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:12:11,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:12:11,261 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:12:11,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:12:11,261 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:12:11,263 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:12:11,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:12:11,264 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:12:11,264 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_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4583285deb29d8014ded34089a46614a743cea13eee9bbb990cdfd770bfce36e [2021-10-28 09:12:11,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:12:11,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:12:11,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:12:11,598 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:12:11,599 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:12:11,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2021-10-28 09:12:11,661 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/bin/uautomizer-UnR33cPsHg/data/38879d838/d3a01ad20d7d44678296f9c6cf02841b/FLAGaae4c3dc9 [2021-10-28 09:12:12,202 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:12:12,203 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2021-10-28 09:12:12,220 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/bin/uautomizer-UnR33cPsHg/data/38879d838/d3a01ad20d7d44678296f9c6cf02841b/FLAGaae4c3dc9 [2021-10-28 09:12:12,518 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/bin/uautomizer-UnR33cPsHg/data/38879d838/d3a01ad20d7d44678296f9c6cf02841b [2021-10-28 09:12:12,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:12:12,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:12:12,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:12:12,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:12:12,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:12:12,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:12:12" (1/1) ... [2021-10-28 09:12:12,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736e3bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:12:12, skipping insertion in model container [2021-10-28 09:12:12,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:12:12" (1/1) ... [2021-10-28 09:12:12,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:12:12,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:12:12,897 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c[19177,19190] [2021-10-28 09:12:12,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:12:12,922 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:12:13,051 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c[19177,19190] [2021-10-28 09:12:13,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:12:13,073 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:12:13,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:12:13 WrapperNode [2021-10-28 09:12:13,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:12:13,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:12:13,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:12:13,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:12:13,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:12:13" (1/1) ... [2021-10-28 09:12:13,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:12:13" (1/1) ... [2021-10-28 09:12:13,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:12:13,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:12:13,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:12:13,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:12:13,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:12:13" (1/1) ... [2021-10-28 09:12:13,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:12:13" (1/1) ... [2021-10-28 09:12:13,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:12:13" (1/1) ... [2021-10-28 09:12:13,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:12:13" (1/1) ... [2021-10-28 09:12:13,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:12:13" (1/1) ... [2021-10-28 09:12:13,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:12:13" (1/1) ... [2021-10-28 09:12:13,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:12:13" (1/1) ... [2021-10-28 09:12:13,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:12:13,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:12:13,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:12:13,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:12:13,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:12:13" (1/1) ... [2021-10-28 09:12:13,225 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:12:13,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:12:13,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:12:13,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:12:13,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:12:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:12:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:12:13,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:12:14,413 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:12:14,413 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2021-10-28 09:12:14,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:12:14 BoogieIcfgContainer [2021-10-28 09:12:14,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:12:14,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:12:14,419 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:12:14,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:12:14,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:12:12" (1/3) ... [2021-10-28 09:12:14,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2582208a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:12:14, skipping insertion in model container [2021-10-28 09:12:14,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:12:13" (2/3) ... [2021-10-28 09:12:14,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2582208a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:12:14, skipping insertion in model container [2021-10-28 09:12:14,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:12:14" (3/3) ... [2021-10-28 09:12:14,429 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product52.cil.c [2021-10-28 09:12:14,435 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:12:14,435 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 09:12:14,503 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:12:14,513 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 09:12:14,513 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 09:12:14,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 119 states have (on average 1.5714285714285714) internal successors, (187), 122 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:14,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 09:12:14,538 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:12:14,539 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:12:14,540 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:12:14,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:12:14,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1471206820, now seen corresponding path program 1 times [2021-10-28 09:12:14,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:12:14,556 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208673603] [2021-10-28 09:12:14,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:12:14,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:12:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:12:14,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:12:14,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:12:14,874 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208673603] [2021-10-28 09:12:14,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208673603] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:12:14,875 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:12:14,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:12:14,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826212552] [2021-10-28 09:12:14,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:12:14,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:12:14,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:12:14,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:12:14,916 INFO L87 Difference]: Start difference. First operand has 123 states, 119 states have (on average 1.5714285714285714) internal successors, (187), 122 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:14,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:12:14,976 INFO L93 Difference]: Finished difference Result 239 states and 366 transitions. [2021-10-28 09:12:14,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:12:14,978 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-28 09:12:14,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:12:14,994 INFO L225 Difference]: With dead ends: 239 [2021-10-28 09:12:14,994 INFO L226 Difference]: Without dead ends: 119 [2021-10-28 09:12:14,999 INFO L786 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 [2021-10-28 09:12:15,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-10-28 09:12:15,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-10-28 09:12:15,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 116 states have (on average 1.5086206896551724) internal successors, (175), 118 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:15,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 175 transitions. [2021-10-28 09:12:15,049 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 175 transitions. Word has length 18 [2021-10-28 09:12:15,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:12:15,050 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 175 transitions. [2021-10-28 09:12:15,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:15,068 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 175 transitions. [2021-10-28 09:12:15,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 09:12:15,070 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:12:15,070 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:12:15,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:12:15,070 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:12:15,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:12:15,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1252370851, now seen corresponding path program 1 times [2021-10-28 09:12:15,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:12:15,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623971931] [2021-10-28 09:12:15,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:12:15,073 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:12:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:12:15,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:12:15,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:12:15,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623971931] [2021-10-28 09:12:15,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623971931] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:12:15,210 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:12:15,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:12:15,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298178325] [2021-10-28 09:12:15,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:12:15,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:12:15,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:12:15,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:12:15,219 INFO L87 Difference]: Start difference. First operand 119 states and 175 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:15,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:12:15,231 INFO L93 Difference]: Finished difference Result 119 states and 175 transitions. [2021-10-28 09:12:15,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:12:15,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-28 09:12:15,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:12:15,240 INFO L225 Difference]: With dead ends: 119 [2021-10-28 09:12:15,241 INFO L226 Difference]: Without dead ends: 51 [2021-10-28 09:12:15,243 INFO L786 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 [2021-10-28 09:12:15,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-28 09:12:15,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-28 09:12:15,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.48) internal successors, (74), 50 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:15,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2021-10-28 09:12:15,257 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 19 [2021-10-28 09:12:15,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:12:15,257 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2021-10-28 09:12:15,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:15,258 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2021-10-28 09:12:15,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 09:12:15,259 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:12:15,259 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:12:15,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:12:15,260 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:12:15,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:12:15,260 INFO L85 PathProgramCache]: Analyzing trace with hash 70895168, now seen corresponding path program 1 times [2021-10-28 09:12:15,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:12:15,261 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372053016] [2021-10-28 09:12:15,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:12:15,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:12:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:12:15,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:12:15,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:12:15,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372053016] [2021-10-28 09:12:15,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372053016] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:12:15,351 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:12:15,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:12:15,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119687204] [2021-10-28 09:12:15,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:12:15,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:12:15,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:12:15,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:12:15,354 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:15,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:12:15,393 INFO L93 Difference]: Finished difference Result 139 states and 208 transitions. [2021-10-28 09:12:15,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:12:15,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-28 09:12:15,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:12:15,401 INFO L225 Difference]: With dead ends: 139 [2021-10-28 09:12:15,401 INFO L226 Difference]: Without dead ends: 95 [2021-10-28 09:12:15,402 INFO L786 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 [2021-10-28 09:12:15,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-10-28 09:12:15,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2021-10-28 09:12:15,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.511111111111111) internal successors, (136), 90 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:15,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 136 transitions. [2021-10-28 09:12:15,419 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 136 transitions. Word has length 24 [2021-10-28 09:12:15,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:12:15,420 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 136 transitions. [2021-10-28 09:12:15,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:15,421 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 136 transitions. [2021-10-28 09:12:15,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 09:12:15,424 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:12:15,424 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:12:15,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:12:15,425 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:12:15,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:12:15,427 INFO L85 PathProgramCache]: Analyzing trace with hash 2090863582, now seen corresponding path program 1 times [2021-10-28 09:12:15,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:12:15,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880523825] [2021-10-28 09:12:15,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:12:15,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:12:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:12:15,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:12:15,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:12:15,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880523825] [2021-10-28 09:12:15,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880523825] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:12:15,551 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:12:15,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:12:15,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4697273] [2021-10-28 09:12:15,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:12:15,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:12:15,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:12:15,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:12:15,553 INFO L87 Difference]: Start difference. First operand 91 states and 136 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:15,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:12:15,589 INFO L93 Difference]: Finished difference Result 218 states and 331 transitions. [2021-10-28 09:12:15,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:12:15,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-28 09:12:15,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:12:15,592 INFO L225 Difference]: With dead ends: 218 [2021-10-28 09:12:15,592 INFO L226 Difference]: Without dead ends: 134 [2021-10-28 09:12:15,593 INFO L786 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 [2021-10-28 09:12:15,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-10-28 09:12:15,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 132. [2021-10-28 09:12:15,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.4809160305343512) internal successors, (194), 131 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:15,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 194 transitions. [2021-10-28 09:12:15,608 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 194 transitions. Word has length 26 [2021-10-28 09:12:15,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:12:15,609 INFO L470 AbstractCegarLoop]: Abstraction has 132 states and 194 transitions. [2021-10-28 09:12:15,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:15,609 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 194 transitions. [2021-10-28 09:12:15,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-28 09:12:15,610 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:12:15,611 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:12:15,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:12:15,611 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:12:15,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:12:15,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1765382007, now seen corresponding path program 1 times [2021-10-28 09:12:15,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:12:15,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413229081] [2021-10-28 09:12:15,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:12:15,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:12:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:12:15,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:12:15,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:12:15,720 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413229081] [2021-10-28 09:12:15,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413229081] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:12:15,720 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:12:15,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:12:15,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636395650] [2021-10-28 09:12:15,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:12:15,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:12:15,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:12:15,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:12:15,723 INFO L87 Difference]: Start difference. First operand 132 states and 194 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:15,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:12:15,844 INFO L93 Difference]: Finished difference Result 692 states and 1031 transitions. [2021-10-28 09:12:15,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:12:15,845 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-28 09:12:15,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:12:15,851 INFO L225 Difference]: With dead ends: 692 [2021-10-28 09:12:15,851 INFO L226 Difference]: Without dead ends: 567 [2021-10-28 09:12:15,856 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:12:15,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2021-10-28 09:12:15,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 243. [2021-10-28 09:12:15,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 242 states have (on average 1.4545454545454546) internal successors, (352), 242 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:15,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 352 transitions. [2021-10-28 09:12:15,908 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 352 transitions. Word has length 27 [2021-10-28 09:12:15,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:12:15,909 INFO L470 AbstractCegarLoop]: Abstraction has 243 states and 352 transitions. [2021-10-28 09:12:15,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:15,910 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 352 transitions. [2021-10-28 09:12:15,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-28 09:12:15,917 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:12:15,917 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:12:15,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:12:15,917 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:12:15,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:12:15,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1095440129, now seen corresponding path program 1 times [2021-10-28 09:12:15,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:12:15,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164927520] [2021-10-28 09:12:15,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:12:15,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:12:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:12:16,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:12:16,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:12:16,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164927520] [2021-10-28 09:12:16,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164927520] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:12:16,036 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:12:16,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:12:16,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560553021] [2021-10-28 09:12:16,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:12:16,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:12:16,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:12:16,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:12:16,044 INFO L87 Difference]: Start difference. First operand 243 states and 352 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:16,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:12:16,229 INFO L93 Difference]: Finished difference Result 921 states and 1339 transitions. [2021-10-28 09:12:16,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:12:16,229 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-28 09:12:16,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:12:16,242 INFO L225 Difference]: With dead ends: 921 [2021-10-28 09:12:16,242 INFO L226 Difference]: Without dead ends: 685 [2021-10-28 09:12:16,244 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:12:16,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2021-10-28 09:12:16,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 241. [2021-10-28 09:12:16,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 240 states have (on average 1.4416666666666667) internal successors, (346), 240 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:16,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 346 transitions. [2021-10-28 09:12:16,280 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 346 transitions. Word has length 28 [2021-10-28 09:12:16,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:12:16,281 INFO L470 AbstractCegarLoop]: Abstraction has 241 states and 346 transitions. [2021-10-28 09:12:16,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:16,281 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 346 transitions. [2021-10-28 09:12:16,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 09:12:16,285 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:12:16,286 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:12:16,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 09:12:16,286 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:12:16,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:12:16,287 INFO L85 PathProgramCache]: Analyzing trace with hash 494548661, now seen corresponding path program 1 times [2021-10-28 09:12:16,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:12:16,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015060268] [2021-10-28 09:12:16,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:12:16,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:12:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:12:16,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:12:16,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:12:16,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015060268] [2021-10-28 09:12:16,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015060268] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:12:16,377 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:12:16,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:12:16,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532021467] [2021-10-28 09:12:16,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:12:16,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:12:16,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:12:16,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:12:16,380 INFO L87 Difference]: Start difference. First operand 241 states and 346 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:16,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:12:16,492 INFO L93 Difference]: Finished difference Result 655 states and 925 transitions. [2021-10-28 09:12:16,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:12:16,493 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 09:12:16,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:12:16,498 INFO L225 Difference]: With dead ends: 655 [2021-10-28 09:12:16,498 INFO L226 Difference]: Without dead ends: 421 [2021-10-28 09:12:16,500 INFO L786 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 [2021-10-28 09:12:16,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-10-28 09:12:16,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 265. [2021-10-28 09:12:16,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 264 states have (on average 1.4015151515151516) internal successors, (370), 264 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:16,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 370 transitions. [2021-10-28 09:12:16,532 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 370 transitions. Word has length 33 [2021-10-28 09:12:16,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:12:16,532 INFO L470 AbstractCegarLoop]: Abstraction has 265 states and 370 transitions. [2021-10-28 09:12:16,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:16,533 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 370 transitions. [2021-10-28 09:12:16,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 09:12:16,534 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:12:16,534 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:12:16,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 09:12:16,535 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:12:16,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:12:16,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1195613239, now seen corresponding path program 1 times [2021-10-28 09:12:16,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:12:16,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968557589] [2021-10-28 09:12:16,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:12:16,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:12:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:12:16,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:12:16,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:12:16,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968557589] [2021-10-28 09:12:16,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968557589] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:12:16,636 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:12:16,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:12:16,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072991995] [2021-10-28 09:12:16,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:12:16,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:12:16,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:12:16,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:12:16,644 INFO L87 Difference]: Start difference. First operand 265 states and 370 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:16,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:12:16,702 INFO L93 Difference]: Finished difference Result 643 states and 887 transitions. [2021-10-28 09:12:16,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:12:16,702 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 09:12:16,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:12:16,705 INFO L225 Difference]: With dead ends: 643 [2021-10-28 09:12:16,706 INFO L226 Difference]: Without dead ends: 385 [2021-10-28 09:12:16,706 INFO L786 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 [2021-10-28 09:12:16,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2021-10-28 09:12:16,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 281. [2021-10-28 09:12:16,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 280 states have (on average 1.3785714285714286) internal successors, (386), 280 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:16,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 386 transitions. [2021-10-28 09:12:16,732 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 386 transitions. Word has length 33 [2021-10-28 09:12:16,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:12:16,732 INFO L470 AbstractCegarLoop]: Abstraction has 281 states and 386 transitions. [2021-10-28 09:12:16,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:16,733 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 386 transitions. [2021-10-28 09:12:16,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 09:12:16,733 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:12:16,734 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:12:16,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 09:12:16,734 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:12:16,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:12:16,735 INFO L85 PathProgramCache]: Analyzing trace with hash 608807225, now seen corresponding path program 1 times [2021-10-28 09:12:16,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:12:16,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839814286] [2021-10-28 09:12:16,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:12:16,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:12:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:12:16,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:12:16,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:12:16,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839814286] [2021-10-28 09:12:16,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839814286] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:12:16,801 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:12:16,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:12:16,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463017807] [2021-10-28 09:12:16,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:12:16,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:12:16,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:12:16,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:12:16,806 INFO L87 Difference]: Start difference. First operand 281 states and 386 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:16,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:12:16,855 INFO L93 Difference]: Finished difference Result 659 states and 899 transitions. [2021-10-28 09:12:16,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:12:16,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 09:12:16,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:12:16,858 INFO L225 Difference]: With dead ends: 659 [2021-10-28 09:12:16,859 INFO L226 Difference]: Without dead ends: 385 [2021-10-28 09:12:16,859 INFO L786 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 [2021-10-28 09:12:16,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2021-10-28 09:12:16,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2021-10-28 09:12:16,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 384 states have (on average 1.3333333333333333) internal successors, (512), 384 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:16,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 512 transitions. [2021-10-28 09:12:16,897 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 512 transitions. Word has length 33 [2021-10-28 09:12:16,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:12:16,899 INFO L470 AbstractCegarLoop]: Abstraction has 385 states and 512 transitions. [2021-10-28 09:12:16,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:16,900 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 512 transitions. [2021-10-28 09:12:16,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 09:12:16,901 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:12:16,902 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:12:16,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 09:12:16,902 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:12:16,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:12:16,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1791527943, now seen corresponding path program 1 times [2021-10-28 09:12:16,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:12:16,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545057910] [2021-10-28 09:12:16,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:12:16,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:12:16,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:12:16,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:12:16,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:12:16,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545057910] [2021-10-28 09:12:16,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545057910] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:12:16,983 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:12:16,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:12:16,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636271721] [2021-10-28 09:12:16,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:12:16,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:12:16,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:12:16,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:12:16,986 INFO L87 Difference]: Start difference. First operand 385 states and 512 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:17,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:12:17,051 INFO L93 Difference]: Finished difference Result 595 states and 799 transitions. [2021-10-28 09:12:17,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:12:17,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 09:12:17,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:12:17,056 INFO L225 Difference]: With dead ends: 595 [2021-10-28 09:12:17,056 INFO L226 Difference]: Without dead ends: 593 [2021-10-28 09:12:17,057 INFO L786 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 [2021-10-28 09:12:17,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2021-10-28 09:12:17,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 472. [2021-10-28 09:12:17,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 471 states have (on average 1.3630573248407643) internal successors, (642), 471 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:17,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 642 transitions. [2021-10-28 09:12:17,103 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 642 transitions. Word has length 34 [2021-10-28 09:12:17,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:12:17,104 INFO L470 AbstractCegarLoop]: Abstraction has 472 states and 642 transitions. [2021-10-28 09:12:17,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:17,105 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 642 transitions. [2021-10-28 09:12:17,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-28 09:12:17,107 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:12:17,107 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:12:17,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 09:12:17,108 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:12:17,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:12:17,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1550920378, now seen corresponding path program 1 times [2021-10-28 09:12:17,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:12:17,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131413819] [2021-10-28 09:12:17,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:12:17,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:12:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:12:17,159 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 09:12:17,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:12:17,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131413819] [2021-10-28 09:12:17,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131413819] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:12:17,160 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:12:17,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:12:17,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034566988] [2021-10-28 09:12:17,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:12:17,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:12:17,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:12:17,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:12:17,164 INFO L87 Difference]: Start difference. First operand 472 states and 642 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:17,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:12:17,282 INFO L93 Difference]: Finished difference Result 789 states and 1068 transitions. [2021-10-28 09:12:17,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:12:17,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-10-28 09:12:17,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:12:17,285 INFO L225 Difference]: With dead ends: 789 [2021-10-28 09:12:17,286 INFO L226 Difference]: Without dead ends: 324 [2021-10-28 09:12:17,287 INFO L786 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 [2021-10-28 09:12:17,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-10-28 09:12:17,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 312. [2021-10-28 09:12:17,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 311 states have (on average 1.3344051446945338) internal successors, (415), 311 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:17,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 415 transitions. [2021-10-28 09:12:17,332 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 415 transitions. Word has length 55 [2021-10-28 09:12:17,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:12:17,332 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 415 transitions. [2021-10-28 09:12:17,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:17,332 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 415 transitions. [2021-10-28 09:12:17,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-28 09:12:17,334 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:12:17,334 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:12:17,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 09:12:17,334 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:12:17,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:12:17,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1315379813, now seen corresponding path program 1 times [2021-10-28 09:12:17,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:12:17,335 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349013537] [2021-10-28 09:12:17,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:12:17,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:12:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:12:17,511 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:12:17,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:12:17,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349013537] [2021-10-28 09:12:17,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349013537] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:12:17,512 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:12:17,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 09:12:17,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618481472] [2021-10-28 09:12:17,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 09:12:17,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:12:17,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:12:17,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:12:17,515 INFO L87 Difference]: Start difference. First operand 312 states and 415 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:17,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:12:17,910 INFO L93 Difference]: Finished difference Result 1701 states and 2308 transitions. [2021-10-28 09:12:17,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 09:12:17,911 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-28 09:12:17,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:12:17,921 INFO L225 Difference]: With dead ends: 1701 [2021-10-28 09:12:17,922 INFO L226 Difference]: Without dead ends: 1484 [2021-10-28 09:12:17,923 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-10-28 09:12:17,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2021-10-28 09:12:18,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 647. [2021-10-28 09:12:18,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 646 states have (on average 1.3312693498452013) internal successors, (860), 646 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:18,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 860 transitions. [2021-10-28 09:12:18,008 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 860 transitions. Word has length 58 [2021-10-28 09:12:18,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:12:18,010 INFO L470 AbstractCegarLoop]: Abstraction has 647 states and 860 transitions. [2021-10-28 09:12:18,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:18,010 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 860 transitions. [2021-10-28 09:12:18,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-28 09:12:18,012 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:12:18,012 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:12:18,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 09:12:18,013 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:12:18,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:12:18,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1573545251, now seen corresponding path program 1 times [2021-10-28 09:12:18,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:12:18,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955729996] [2021-10-28 09:12:18,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:12:18,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:12:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:12:18,086 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-28 09:12:18,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:12:18,087 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955729996] [2021-10-28 09:12:18,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955729996] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:12:18,087 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:12:18,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:12:18,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568825596] [2021-10-28 09:12:18,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:12:18,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:12:18,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:12:18,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:12:18,090 INFO L87 Difference]: Start difference. First operand 647 states and 860 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:18,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:12:18,214 INFO L93 Difference]: Finished difference Result 1302 states and 1717 transitions. [2021-10-28 09:12:18,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:12:18,215 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-28 09:12:18,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:12:18,220 INFO L225 Difference]: With dead ends: 1302 [2021-10-28 09:12:18,220 INFO L226 Difference]: Without dead ends: 750 [2021-10-28 09:12:18,222 INFO L786 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 [2021-10-28 09:12:18,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2021-10-28 09:12:18,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 362. [2021-10-28 09:12:18,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 361 states have (on average 1.2770083102493075) internal successors, (461), 361 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:18,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 461 transitions. [2021-10-28 09:12:18,280 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 461 transitions. Word has length 58 [2021-10-28 09:12:18,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:12:18,280 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 461 transitions. [2021-10-28 09:12:18,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:18,281 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 461 transitions. [2021-10-28 09:12:18,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-28 09:12:18,282 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:12:18,282 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:12:18,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 09:12:18,282 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:12:18,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:12:18,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1084126975, now seen corresponding path program 1 times [2021-10-28 09:12:18,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:12:18,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119406514] [2021-10-28 09:12:18,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:12:18,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:12:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:12:18,354 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:12:18,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:12:18,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119406514] [2021-10-28 09:12:18,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119406514] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:12:18,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828560498] [2021-10-28 09:12:18,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:12:18,356 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:12:18,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:12:18,361 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:12:18,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 09:12:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:12:18,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:12:18,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:12:18,782 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:12:18,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828560498] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:12:18,783 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:12:18,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-28 09:12:18,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447311305] [2021-10-28 09:12:18,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:12:18,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:12:18,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:12:18,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:12:18,785 INFO L87 Difference]: Start difference. First operand 362 states and 461 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:18,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:12:18,898 INFO L93 Difference]: Finished difference Result 610 states and 783 transitions. [2021-10-28 09:12:18,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:12:18,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-28 09:12:18,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:12:18,900 INFO L225 Difference]: With dead ends: 610 [2021-10-28 09:12:18,900 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:12:18,901 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:12:18,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:12:18,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:12:18,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:18,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:12:18,902 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-28 09:12:18,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:12:18,902 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:12:18,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:12:18,903 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:12:18,903 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:12:18,905 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:12:18,906 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:12:18,906 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:12:18,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:12:19,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-28 09:12:19,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:12:19,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:19,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:19,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:19,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:19,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:19,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:19,147 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:19,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:19,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:19,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:19,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:19,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:19,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:19,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:19,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:20,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:20,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:20,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:20,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:20,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:20,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:21,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:21,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:21,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:21,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:21,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:21,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:21,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:21,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:21,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:21,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:21,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:21,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:21,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:21,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:21,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:21,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:21,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:21,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:21,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:21,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:21,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:21,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:22,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:22,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:12:28,320 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2021-10-28 09:12:28,320 INFO L853 garLoopResultBuilder]: At program point L630(lines 625 633) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) [2021-10-28 09:12:28,321 INFO L853 garLoopResultBuilder]: At program point L630-1(lines 625 633) the Hoare annotation is: false [2021-10-28 09:12:28,328 INFO L853 garLoopResultBuilder]: At program point L630-2(lines 625 633) the Hoare annotation is: false [2021-10-28 09:12:28,328 INFO L853 garLoopResultBuilder]: At program point L366-2(lines 366 380) the Hoare annotation is: false [2021-10-28 09:12:28,341 INFO L857 garLoopResultBuilder]: For program point L367(line 367) no Hoare annotation was computed. [2021-10-28 09:12:28,341 INFO L857 garLoopResultBuilder]: For program point L335(lines 335 341) no Hoare annotation was computed. [2021-10-28 09:12:28,341 INFO L853 garLoopResultBuilder]: At program point L335-1(lines 335 341) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 1 ~waterLevel~0)) [2021-10-28 09:12:28,342 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2021-10-28 09:12:28,342 INFO L857 garLoopResultBuilder]: For program point L302-2(lines 302 306) no Hoare annotation was computed. [2021-10-28 09:12:28,342 INFO L857 garLoopResultBuilder]: For program point L302-3(lines 302 306) no Hoare annotation was computed. [2021-10-28 09:12:28,342 INFO L857 garLoopResultBuilder]: For program point L302-5(lines 302 306) no Hoare annotation was computed. [2021-10-28 09:12:28,342 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 110) no Hoare annotation was computed. [2021-10-28 09:12:28,342 INFO L857 garLoopResultBuilder]: For program point L302-6(lines 302 306) no Hoare annotation was computed. [2021-10-28 09:12:28,343 INFO L853 garLoopResultBuilder]: At program point L104-1(lines 142 148) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse3) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse3 .cse2))) [2021-10-28 09:12:28,343 INFO L857 garLoopResultBuilder]: For program point L302-8(lines 302 306) no Hoare annotation was computed. [2021-10-28 09:12:28,343 INFO L857 garLoopResultBuilder]: For program point L302-9(lines 302 306) no Hoare annotation was computed. [2021-10-28 09:12:28,344 INFO L857 garLoopResultBuilder]: For program point L302-11(lines 302 306) no Hoare annotation was computed. [2021-10-28 09:12:28,344 INFO L857 garLoopResultBuilder]: For program point L302-12(lines 302 306) no Hoare annotation was computed. [2021-10-28 09:12:28,344 INFO L857 garLoopResultBuilder]: For program point L302-14(lines 302 306) no Hoare annotation was computed. [2021-10-28 09:12:28,344 INFO L857 garLoopResultBuilder]: For program point L302-15(lines 302 306) no Hoare annotation was computed. [2021-10-28 09:12:28,345 INFO L857 garLoopResultBuilder]: For program point L302-17(lines 302 306) no Hoare annotation was computed. [2021-10-28 09:12:28,345 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 212) no Hoare annotation was computed. [2021-10-28 09:12:28,346 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 204 212) no Hoare annotation was computed. [2021-10-28 09:12:28,346 INFO L857 garLoopResultBuilder]: For program point L204-2(lines 204 212) no Hoare annotation was computed. [2021-10-28 09:12:28,347 INFO L857 garLoopResultBuilder]: For program point L370(lines 370 374) no Hoare annotation was computed. [2021-10-28 09:12:28,347 INFO L857 garLoopResultBuilder]: For program point L370-1(lines 142 148) no Hoare annotation was computed. [2021-10-28 09:12:28,348 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 191) no Hoare annotation was computed. [2021-10-28 09:12:28,349 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 174 191) no Hoare annotation was computed. [2021-10-28 09:12:28,350 INFO L857 garLoopResultBuilder]: For program point L174-2(lines 174 191) no Hoare annotation was computed. [2021-10-28 09:12:28,350 INFO L857 garLoopResultBuilder]: For program point L174-3(lines 174 191) no Hoare annotation was computed. [2021-10-28 09:12:28,351 INFO L857 garLoopResultBuilder]: For program point L174-4(lines 174 191) no Hoare annotation was computed. [2021-10-28 09:12:28,351 INFO L857 garLoopResultBuilder]: For program point L174-5(lines 174 191) no Hoare annotation was computed. [2021-10-28 09:12:28,351 INFO L857 garLoopResultBuilder]: For program point L538(lines 538 542) no Hoare annotation was computed. [2021-10-28 09:12:28,352 INFO L857 garLoopResultBuilder]: For program point L538-3(lines 538 542) no Hoare annotation was computed. [2021-10-28 09:12:28,352 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2021-10-28 09:12:28,352 INFO L857 garLoopResultBuilder]: For program point L538-6(lines 538 542) no Hoare annotation was computed. [2021-10-28 09:12:28,354 INFO L853 garLoopResultBuilder]: At program point L142(lines 141 160) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3) (and .cse0 .cse1 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse3) (and (<= 1 ~pumpRunning~0) .cse0 .cse2 .cse3))) [2021-10-28 09:12:28,354 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2021-10-28 09:12:28,354 INFO L857 garLoopResultBuilder]: For program point L76(lines 76 82) no Hoare annotation was computed. [2021-10-28 09:12:28,354 INFO L853 garLoopResultBuilder]: At program point L142-2(lines 141 160) the Hoare annotation is: false [2021-10-28 09:12:28,354 INFO L853 garLoopResultBuilder]: At program point L76-1(lines 76 82) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 .cse2 .cse3 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse2 .cse3 .cse1 .cse4))) [2021-10-28 09:12:28,355 INFO L853 garLoopResultBuilder]: At program point L142-3(lines 141 160) the Hoare annotation is: false [2021-10-28 09:12:28,355 INFO L853 garLoopResultBuilder]: At program point L308(lines 293 311) the Hoare annotation is: false [2021-10-28 09:12:28,355 INFO L853 garLoopResultBuilder]: At program point L308-1(lines 293 311) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse3) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3))) [2021-10-28 09:12:28,355 INFO L853 garLoopResultBuilder]: At program point L308-2(lines 293 311) the Hoare annotation is: false [2021-10-28 09:12:28,355 INFO L853 garLoopResultBuilder]: At program point L308-3(lines 293 311) the Hoare annotation is: false [2021-10-28 09:12:28,356 INFO L853 garLoopResultBuilder]: At program point L308-4(lines 293 311) the Hoare annotation is: false [2021-10-28 09:12:28,357 INFO L853 garLoopResultBuilder]: At program point L308-5(lines 293 311) the Hoare annotation is: false [2021-10-28 09:12:28,357 INFO L857 garLoopResultBuilder]: For program point L474(lines 474 491) no Hoare annotation was computed. [2021-10-28 09:12:28,357 INFO L853 garLoopResultBuilder]: At program point L474-1(lines 1 1008) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 .cse2 .cse3 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse2 .cse3 .cse1 .cse4))) [2021-10-28 09:12:28,357 INFO L857 garLoopResultBuilder]: For program point L474-2(lines 474 491) no Hoare annotation was computed. [2021-10-28 09:12:28,357 INFO L853 garLoopResultBuilder]: At program point L474-3(lines 1 1008) the Hoare annotation is: false [2021-10-28 09:12:28,358 INFO L857 garLoopResultBuilder]: For program point L474-4(lines 474 491) no Hoare annotation was computed. [2021-10-28 09:12:28,358 INFO L853 garLoopResultBuilder]: At program point L474-5(lines 1 1008) the Hoare annotation is: false [2021-10-28 09:12:28,358 INFO L857 garLoopResultBuilder]: For program point L442(lines 442 449) no Hoare annotation was computed. [2021-10-28 09:12:28,358 INFO L860 garLoopResultBuilder]: At program point L442-1(lines 442 449) the Hoare annotation is: true [2021-10-28 09:12:28,358 INFO L857 garLoopResultBuilder]: For program point L178(lines 178 186) no Hoare annotation was computed. [2021-10-28 09:12:28,358 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 178 186) no Hoare annotation was computed. [2021-10-28 09:12:28,359 INFO L857 garLoopResultBuilder]: For program point L178-2(lines 178 186) no Hoare annotation was computed. [2021-10-28 09:12:28,361 INFO L857 garLoopResultBuilder]: For program point L178-3(lines 178 186) no Hoare annotation was computed. [2021-10-28 09:12:28,362 INFO L857 garLoopResultBuilder]: For program point L178-4(lines 178 186) no Hoare annotation was computed. [2021-10-28 09:12:28,362 INFO L857 garLoopResultBuilder]: For program point L178-5(lines 178 186) no Hoare annotation was computed. [2021-10-28 09:12:28,363 INFO L853 garLoopResultBuilder]: At program point L575(lines 570 578) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse0 (= ~methAndRunningLastTime~0 0) .cse5 .cse2) (and .cse4 .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse5 .cse2))) [2021-10-28 09:12:28,364 INFO L853 garLoopResultBuilder]: At program point L575-1(lines 570 578) the Hoare annotation is: false [2021-10-28 09:12:28,364 INFO L853 garLoopResultBuilder]: At program point L575-2(lines 570 578) the Hoare annotation is: false [2021-10-28 09:12:28,364 INFO L857 garLoopResultBuilder]: For program point L1005(line 1005) no Hoare annotation was computed. [2021-10-28 09:12:28,364 INFO L857 garLoopResultBuilder]: For program point L1005-1(line 1005) no Hoare annotation was computed. [2021-10-28 09:12:28,365 INFO L857 garLoopResultBuilder]: For program point L1005-2(line 1005) no Hoare annotation was computed. [2021-10-28 09:12:28,365 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-10-28 09:12:28,365 INFO L857 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-10-28 09:12:28,365 INFO L857 garLoopResultBuilder]: For program point L478-4(lines 478 488) no Hoare annotation was computed. [2021-10-28 09:12:28,367 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 485) no Hoare annotation was computed. [2021-10-28 09:12:28,367 INFO L857 garLoopResultBuilder]: For program point L479-2(lines 479 485) no Hoare annotation was computed. [2021-10-28 09:12:28,367 INFO L857 garLoopResultBuilder]: For program point L479-4(lines 479 485) no Hoare annotation was computed. [2021-10-28 09:12:28,367 INFO L853 garLoopResultBuilder]: At program point L149(lines 149 155) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse0 (= ~methAndRunningLastTime~0 0) .cse5 .cse2) (and .cse4 .cse0 (= ~methaneLevelCritical~0 0) .cse5 .cse2))) [2021-10-28 09:12:28,367 INFO L853 garLoopResultBuilder]: At program point L116(lines 65 117) the Hoare annotation is: false [2021-10-28 09:12:28,368 INFO L853 garLoopResultBuilder]: At program point L149-1(lines 149 155) the Hoare annotation is: false [2021-10-28 09:12:28,368 INFO L853 garLoopResultBuilder]: At program point L149-2(lines 149 155) the Hoare annotation is: false [2021-10-28 09:12:28,368 INFO L853 garLoopResultBuilder]: At program point L414(lines 410 416) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 09:12:28,368 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:12:28,368 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 92) no Hoare annotation was computed. [2021-10-28 09:12:28,369 INFO L853 garLoopResultBuilder]: At program point L86-1(lines 86 92) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and (<= 1 ~pumpRunning~0) .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 .cse2 .cse3 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse2 .cse3 .cse1 .cse4))) [2021-10-28 09:12:28,369 INFO L857 garLoopResultBuilder]: For program point L615(lines 615 621) no Hoare annotation was computed. [2021-10-28 09:12:28,369 INFO L857 garLoopResultBuilder]: For program point L615-1(lines 615 621) no Hoare annotation was computed. [2021-10-28 09:12:28,369 INFO L857 garLoopResultBuilder]: For program point L615-2(lines 615 621) no Hoare annotation was computed. [2021-10-28 09:12:28,369 INFO L857 garLoopResultBuilder]: For program point L615-3(lines 615 621) no Hoare annotation was computed. [2021-10-28 09:12:28,369 INFO L857 garLoopResultBuilder]: For program point L615-4(lines 615 621) no Hoare annotation was computed. [2021-10-28 09:12:28,370 INFO L857 garLoopResultBuilder]: For program point L615-5(lines 615 621) no Hoare annotation was computed. [2021-10-28 09:12:28,370 INFO L857 garLoopResultBuilder]: For program point L550(lines 550 554) no Hoare annotation was computed. [2021-10-28 09:12:28,370 INFO L860 garLoopResultBuilder]: At program point L451(lines 432 454) the Hoare annotation is: true [2021-10-28 09:12:28,371 INFO L853 garLoopResultBuilder]: At program point L253(lines 248 256) the Hoare annotation is: (let ((.cse3 (= 1 ~systemActive~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) .cse0 (= ~methAndRunningLastTime~0 0) (<= 2 ~waterLevel~0) .cse3) (and .cse0 .cse1 .cse2 .cse4 (= 0 ~systemActive~0)))) [2021-10-28 09:12:28,371 INFO L853 garLoopResultBuilder]: At program point L253-1(lines 248 256) the Hoare annotation is: false [2021-10-28 09:12:28,371 INFO L853 garLoopResultBuilder]: At program point L253-2(lines 248 256) the Hoare annotation is: false [2021-10-28 09:12:28,372 INFO L853 garLoopResultBuilder]: At program point L518(lines 1 1008) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 09:12:28,372 INFO L857 garLoopResultBuilder]: For program point L321(lines 321 325) no Hoare annotation was computed. [2021-10-28 09:12:28,372 INFO L857 garLoopResultBuilder]: For program point L321-2(lines 321 325) no Hoare annotation was computed. [2021-10-28 09:12:28,372 INFO L857 garLoopResultBuilder]: For program point L321-3(lines 321 325) no Hoare annotation was computed. [2021-10-28 09:12:28,373 INFO L857 garLoopResultBuilder]: For program point L321-5(lines 321 325) no Hoare annotation was computed. [2021-10-28 09:12:28,373 INFO L857 garLoopResultBuilder]: For program point L321-6(lines 321 325) no Hoare annotation was computed. [2021-10-28 09:12:28,373 INFO L857 garLoopResultBuilder]: For program point L321-8(lines 321 325) no Hoare annotation was computed. [2021-10-28 09:12:28,373 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:12:28,373 INFO L853 garLoopResultBuilder]: At program point L620(lines 611 624) the Hoare annotation is: false [2021-10-28 09:12:28,373 INFO L853 garLoopResultBuilder]: At program point L620-1(lines 611 624) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3))) [2021-10-28 09:12:28,374 INFO L853 garLoopResultBuilder]: At program point L620-2(lines 611 624) the Hoare annotation is: false [2021-10-28 09:12:28,374 INFO L853 garLoopResultBuilder]: At program point L620-3(lines 611 624) the Hoare annotation is: false [2021-10-28 09:12:28,374 INFO L853 garLoopResultBuilder]: At program point L620-4(lines 611 624) the Hoare annotation is: false [2021-10-28 09:12:28,374 INFO L853 garLoopResultBuilder]: At program point L620-5(lines 611 624) the Hoare annotation is: false [2021-10-28 09:12:28,374 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:12:28,375 INFO L853 garLoopResultBuilder]: At program point L327(lines 312 330) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 1) (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~4 1)) (<= 1 ~waterLevel~0) (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= ULTIMATE.start_isLowWaterLevel_~tmp~4 0)) [2021-10-28 09:12:28,375 INFO L853 garLoopResultBuilder]: At program point L327-1(lines 312 330) the Hoare annotation is: false [2021-10-28 09:12:28,375 INFO L853 garLoopResultBuilder]: At program point L327-2(lines 312 330) the Hoare annotation is: false [2021-10-28 09:12:28,375 INFO L857 garLoopResultBuilder]: For program point L96(lines 96 111) no Hoare annotation was computed. [2021-10-28 09:12:28,375 INFO L853 garLoopResultBuilder]: At program point L526(lines 521 529) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 09:12:28,375 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:12:28,376 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2021-10-28 09:12:28,376 INFO L857 garLoopResultBuilder]: For program point L562(lines 562 566) no Hoare annotation was computed. [2021-10-28 09:12:28,376 INFO L853 garLoopResultBuilder]: At program point L463(lines 458 465) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 09:12:28,376 INFO L857 garLoopResultBuilder]: For program point L67(lines 66 115) no Hoare annotation was computed. [2021-10-28 09:12:28,376 INFO L857 garLoopResultBuilder]: For program point L200(lines 200 217) no Hoare annotation was computed. [2021-10-28 09:12:28,377 INFO L857 garLoopResultBuilder]: For program point L200-1(lines 200 217) no Hoare annotation was computed. [2021-10-28 09:12:28,377 INFO L857 garLoopResultBuilder]: For program point L200-2(lines 200 217) no Hoare annotation was computed. [2021-10-28 09:12:28,377 INFO L857 garLoopResultBuilder]: For program point L68(lines 68 72) no Hoare annotation was computed. [2021-10-28 09:12:28,383 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:12:28,385 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:12:28,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:12:28 BoogieIcfgContainer [2021-10-28 09:12:28,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:12:28,437 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:12:28,437 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:12:28,437 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:12:28,438 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:12:14" (3/4) ... [2021-10-28 09:12:28,442 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:12:28,478 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 09:12:28,480 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 09:12:28,481 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 09:12:28,482 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 09:12:28,483 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 09:12:28,485 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:12:28,486 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:12:28,522 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 0 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-10-28 09:12:28,523 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && 1 <= waterLevel) && \result <= 0) && 0 <= \result [2021-10-28 09:12:28,528 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-10-28 09:12:28,530 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 <= waterLevel) && 0 == systemActive) [2021-10-28 09:12:28,531 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && 1 == systemActive) && tmp___0 == 1) && 0 < tmp + 1) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && tmp <= 0 [2021-10-28 09:12:28,532 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) || (((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-10-28 09:12:28,618 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:12:28,618 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:12:28,620 INFO L168 Benchmark]: Toolchain (without parser) took 16096.94 ms. Allocated memory was 98.6 MB in the beginning and 251.7 MB in the end (delta: 153.1 MB). Free memory was 69.2 MB in the beginning and 147.2 MB in the end (delta: -77.9 MB). Peak memory consumption was 76.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:12:28,620 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 98.6 MB. Free memory is still 53.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:12:28,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 540.65 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 69.2 MB in the beginning and 87.6 MB in the end (delta: -18.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:12:28,622 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.23 ms. Allocated memory is still 119.5 MB. Free memory was 87.6 MB in the beginning and 83.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:12:28,622 INFO L168 Benchmark]: Boogie Preprocessor took 48.76 ms. Allocated memory is still 119.5 MB. Free memory was 83.8 MB in the beginning and 81.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:12:28,623 INFO L168 Benchmark]: RCFGBuilder took 1201.37 ms. Allocated memory is still 119.5 MB. Free memory was 81.3 MB in the beginning and 76.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:12:28,623 INFO L168 Benchmark]: TraceAbstraction took 14017.70 ms. Allocated memory was 119.5 MB in the beginning and 251.7 MB in the end (delta: 132.1 MB). Free memory was 75.6 MB in the beginning and 157.7 MB in the end (delta: -82.1 MB). Peak memory consumption was 136.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:12:28,623 INFO L168 Benchmark]: Witness Printer took 181.26 ms. Allocated memory is still 251.7 MB. Free memory was 157.7 MB in the beginning and 147.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:12:28,626 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 98.6 MB. Free memory is still 53.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 540.65 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 69.2 MB in the beginning and 87.6 MB in the end (delta: -18.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.23 ms. Allocated memory is still 119.5 MB. Free memory was 87.6 MB in the beginning and 83.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.76 ms. Allocated memory is still 119.5 MB. Free memory was 83.8 MB in the beginning and 81.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1201.37 ms. Allocated memory is still 119.5 MB. Free memory was 81.3 MB in the beginning and 76.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14017.70 ms. Allocated memory was 119.5 MB in the beginning and 251.7 MB in the end (delta: 132.1 MB). Free memory was 75.6 MB in the beginning and 157.7 MB in the end (delta: -82.1 MB). Peak memory consumption was 136.3 MB. Max. memory is 16.1 GB. * Witness Printer took 181.26 ms. Allocated memory is still 251.7 MB. Free memory was 157.7 MB in the beginning and 147.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1005]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1005]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1005]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 123 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 13.8s, OverallIterations: 14, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1429 SDtfs, 1554 SDslu, 2144 SDs, 0 SdLazy, 240 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=647occurred in iteration=12, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 2392 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 181 NumberOfFragments, 665 HoareAnnotationTreeSize, 45 FomulaSimplifications, 697516 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 45 FomulaSimplificationsInter, 172816 FormulaSimplificationTreeSizeReductionInter, 5.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 562 NumberOfCodeBlocks, 562 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 547 ConstructedInterpolants, 0 QuantifiedInterpolants, 938 SizeOfPredicates, 0 NumberOfNonLiveVariables, 448 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 15 InterpolantComputations, 14 PerfectInterpolantSequences, 98/99 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= waterLevel) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && 1 <= waterLevel) - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 0 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= waterLevel) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && 1 <= waterLevel) - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && 1 <= waterLevel) && \result <= 0) && 0 <= \result - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= waterLevel) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && 1 <= waterLevel) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 <= waterLevel) && 0 == systemActive) - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && 1 == systemActive) && tmp___0 == 1) && 0 < tmp + 1) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && tmp <= 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && 1 <= waterLevel) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 0 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) || (((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 0 == systemActive) || (((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && 1 <= waterLevel) - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 <= waterLevel) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && 1 <= waterLevel)) || (((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && 1 <= waterLevel) - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-28 09:12:28,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ff1ca0-e57a-4cd6-abc6-9be13aa3dd01/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...