./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product42.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_c959764d-f3b9-482b-986b-54d344a0c160/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c959764d-f3b9-482b-986b-54d344a0c160/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_c959764d-f3b9-482b-986b-54d344a0c160/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c959764d-f3b9-482b-986b-54d344a0c160/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c959764d-f3b9-482b-986b-54d344a0c160/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_c959764d-f3b9-482b-986b-54d344a0c160/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 76f5874bdc2210da6be360b9991ed804689b1623a0180577df5607e0ad5d02da .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:41:59,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:41:59,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:41:59,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:41:59,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:41:59,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:41:59,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:41:59,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:41:59,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:41:59,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:41:59,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:41:59,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:41:59,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:41:59,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:41:59,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:41:59,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:41:59,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:41:59,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:41:59,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:41:59,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:41:59,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:41:59,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:41:59,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:41:59,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:41:59,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:41:59,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:41:59,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:41:59,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:41:59,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:41:59,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:41:59,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:41:59,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:41:59,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:41:59,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:41:59,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:41:59,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:41:59,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:41:59,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:41:59,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:41:59,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:41:59,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:41:59,231 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c959764d-f3b9-482b-986b-54d344a0c160/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:41:59,274 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:41:59,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:41:59,275 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:41:59,275 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:41:59,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:41:59,281 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:41:59,281 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:41:59,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:41:59,282 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:41:59,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:41:59,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:41:59,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:41:59,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:41:59,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:41:59,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:41:59,283 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:41:59,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:41:59,283 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:41:59,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:41:59,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:41:59,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:41:59,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:41:59,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:41:59,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:41:59,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:41:59,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:41:59,285 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:41:59,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:41:59,285 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:41:59,285 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:41:59,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:41:59,286 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:41:59,286 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_c959764d-f3b9-482b-986b-54d344a0c160/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c959764d-f3b9-482b-986b-54d344a0c160/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76f5874bdc2210da6be360b9991ed804689b1623a0180577df5607e0ad5d02da [2021-10-28 09:41:59,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:41:59,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:41:59,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:41:59,537 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:41:59,539 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:41:59,540 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c959764d-f3b9-482b-986b-54d344a0c160/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2021-10-28 09:41:59,638 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c959764d-f3b9-482b-986b-54d344a0c160/bin/uautomizer-UnR33cPsHg/data/9213c2f50/920a951b1468424188f93d6f8b47d1cd/FLAG7bc33c353 [2021-10-28 09:42:00,144 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:42:00,144 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c959764d-f3b9-482b-986b-54d344a0c160/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2021-10-28 09:42:00,168 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c959764d-f3b9-482b-986b-54d344a0c160/bin/uautomizer-UnR33cPsHg/data/9213c2f50/920a951b1468424188f93d6f8b47d1cd/FLAG7bc33c353 [2021-10-28 09:42:00,464 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c959764d-f3b9-482b-986b-54d344a0c160/bin/uautomizer-UnR33cPsHg/data/9213c2f50/920a951b1468424188f93d6f8b47d1cd [2021-10-28 09:42:00,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:42:00,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:42:00,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:42:00,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:42:00,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:42:00,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:42:00" (1/1) ... [2021-10-28 09:42:00,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b112045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:00, skipping insertion in model container [2021-10-28 09:42:00,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:42:00" (1/1) ... [2021-10-28 09:42:00,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:42:00,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:42:00,716 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_c959764d-f3b9-482b-986b-54d344a0c160/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c[3693,3706] [2021-10-28 09:42:00,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:42:00,848 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:42:00,867 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_c959764d-f3b9-482b-986b-54d344a0c160/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c[3693,3706] [2021-10-28 09:42:00,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:42:00,959 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:42:00,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:00 WrapperNode [2021-10-28 09:42:00,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:42:00,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:42:00,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:42:00,961 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:42:00,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:00" (1/1) ... [2021-10-28 09:42:00,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:00" (1/1) ... [2021-10-28 09:42:01,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:42:01,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:42:01,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:42:01,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:42:01,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:00" (1/1) ... [2021-10-28 09:42:01,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:00" (1/1) ... [2021-10-28 09:42:01,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:00" (1/1) ... [2021-10-28 09:42:01,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:00" (1/1) ... [2021-10-28 09:42:01,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:00" (1/1) ... [2021-10-28 09:42:01,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:00" (1/1) ... [2021-10-28 09:42:01,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:00" (1/1) ... [2021-10-28 09:42:01,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:42:01,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:42:01,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:42:01,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:42:01,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:00" (1/1) ... [2021-10-28 09:42:01,097 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:42:01,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c959764d-f3b9-482b-986b-54d344a0c160/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:01,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c959764d-f3b9-482b-986b-54d344a0c160/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:42:01,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c959764d-f3b9-482b-986b-54d344a0c160/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:42:01,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:42:01,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:42:01,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:42:01,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:42:02,123 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:42:02,123 INFO L299 CfgBuilder]: Removed 130 assume(true) statements. [2021-10-28 09:42:02,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:42:02 BoogieIcfgContainer [2021-10-28 09:42:02,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:42:02,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:42:02,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:42:02,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:42:02,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:42:00" (1/3) ... [2021-10-28 09:42:02,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2c6c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:42:02, skipping insertion in model container [2021-10-28 09:42:02,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:42:00" (2/3) ... [2021-10-28 09:42:02,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e2c6c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:42:02, skipping insertion in model container [2021-10-28 09:42:02,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:42:02" (3/3) ... [2021-10-28 09:42:02,137 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2021-10-28 09:42:02,145 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:42:02,146 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 09:42:02,207 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:42:02,216 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 09:42:02,216 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 09:42:02,237 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 92 states have (on average 1.5326086956521738) internal successors, (141), 95 states have internal predecessors, (141), 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 09:42:02,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 09:42:02,248 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:42:02,249 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 09:42:02,250 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 09:42:02,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:02,256 INFO L85 PathProgramCache]: Analyzing trace with hash 2002570515, now seen corresponding path program 1 times [2021-10-28 09:42:02,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:02,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119120379] [2021-10-28 09:42:02,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:02,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:02,551 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 09:42:02,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:02,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119120379] [2021-10-28 09:42:02,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119120379] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:02,553 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:42:02,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:42:02,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500569845] [2021-10-28 09:42:02,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:42:02,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:02,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:42:02,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:42:02,585 INFO L87 Difference]: Start difference. First operand has 96 states, 92 states have (on average 1.5326086956521738) internal successors, (141), 95 states have internal predecessors, (141), 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 9.5) internal successors, (19), 2 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 09:42:02,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:02,611 INFO L93 Difference]: Finished difference Result 185 states and 274 transitions. [2021-10-28 09:42:02,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:42:02,612 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 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 09:42:02,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:02,622 INFO L225 Difference]: With dead ends: 185 [2021-10-28 09:42:02,623 INFO L226 Difference]: Without dead ends: 92 [2021-10-28 09:42:02,626 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 09:42:02,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-10-28 09:42:02,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-10-28 09:42:02,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 89 states have (on average 1.449438202247191) internal successors, (129), 91 states have internal predecessors, (129), 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 09:42:02,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2021-10-28 09:42:02,664 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 19 [2021-10-28 09:42:02,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:02,665 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2021-10-28 09:42:02,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 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 09:42:02,665 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2021-10-28 09:42:02,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 09:42:02,667 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:42:02,667 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] [2021-10-28 09:42:02,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:42:02,668 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 09:42:02,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:02,669 INFO L85 PathProgramCache]: Analyzing trace with hash -486377228, now seen corresponding path program 1 times [2021-10-28 09:42:02,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:02,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773937266] [2021-10-28 09:42:02,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:02,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:02,832 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 09:42:02,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:02,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773937266] [2021-10-28 09:42:02,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773937266] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:02,834 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:42:02,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:42:02,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572231976] [2021-10-28 09:42:02,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:42:02,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:02,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:42:02,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:42:02,843 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 09:42:02,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:02,858 INFO L93 Difference]: Finished difference Result 92 states and 129 transitions. [2021-10-28 09:42:02,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:42:02,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2021-10-28 09:42:02,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:02,864 INFO L225 Difference]: With dead ends: 92 [2021-10-28 09:42:02,864 INFO L226 Difference]: Without dead ends: 41 [2021-10-28 09:42:02,867 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 09:42:02,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-10-28 09:42:02,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-10-28 09:42:02,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.425) internal successors, (57), 40 states have internal predecessors, (57), 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 09:42:02,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2021-10-28 09:42:02,880 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 20 [2021-10-28 09:42:02,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:02,881 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2021-10-28 09:42:02,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 09:42:02,881 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2021-10-28 09:42:02,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 09:42:02,883 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:42:02,884 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 09:42:02,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:42:02,884 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 09:42:02,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:02,895 INFO L85 PathProgramCache]: Analyzing trace with hash 215436409, now seen corresponding path program 1 times [2021-10-28 09:42:02,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:02,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741279685] [2021-10-28 09:42:02,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:02,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:02,984 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 09:42:02,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:02,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741279685] [2021-10-28 09:42:02,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741279685] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:02,985 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:42:02,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:42:02,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578250424] [2021-10-28 09:42:02,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:42:02,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:02,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:42:02,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:42:02,987 INFO L87 Difference]: Start difference. First operand 41 states and 57 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 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 09:42:03,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:03,029 INFO L93 Difference]: Finished difference Result 75 states and 107 transitions. [2021-10-28 09:42:03,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:42:03,029 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 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 09:42:03,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:03,030 INFO L225 Difference]: With dead ends: 75 [2021-10-28 09:42:03,030 INFO L226 Difference]: Without dead ends: 41 [2021-10-28 09:42:03,031 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 09:42:03,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-10-28 09:42:03,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-10-28 09:42:03,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.4) internal successors, (56), 40 states have internal predecessors, (56), 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 09:42:03,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2021-10-28 09:42:03,038 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 26 [2021-10-28 09:42:03,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:03,039 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2021-10-28 09:42:03,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 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 09:42:03,039 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2021-10-28 09:42:03,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-28 09:42:03,040 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:42:03,041 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 09:42:03,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:42:03,041 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 09:42:03,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:03,042 INFO L85 PathProgramCache]: Analyzing trace with hash 937029115, now seen corresponding path program 1 times [2021-10-28 09:42:03,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:03,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874467631] [2021-10-28 09:42:03,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:03,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:03,102 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 09:42:03,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:03,103 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874467631] [2021-10-28 09:42:03,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874467631] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:03,104 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:42:03,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:42:03,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243470326] [2021-10-28 09:42:03,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:42:03,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:03,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:42:03,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:42:03,106 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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 09:42:03,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:03,144 INFO L93 Difference]: Finished difference Result 99 states and 139 transitions. [2021-10-28 09:42:03,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:42:03,144 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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 09:42:03,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:03,148 INFO L225 Difference]: With dead ends: 99 [2021-10-28 09:42:03,148 INFO L226 Difference]: Without dead ends: 65 [2021-10-28 09:42:03,149 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 09:42:03,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-28 09:42:03,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2021-10-28 09:42:03,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.403225806451613) internal successors, (87), 62 states have internal predecessors, (87), 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 09:42:03,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 87 transitions. [2021-10-28 09:42:03,157 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 87 transitions. Word has length 27 [2021-10-28 09:42:03,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:03,157 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 87 transitions. [2021-10-28 09:42:03,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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 09:42:03,158 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2021-10-28 09:42:03,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 09:42:03,161 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:42:03,161 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 09:42:03,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:42:03,163 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 09:42:03,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:03,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1349052711, now seen corresponding path program 1 times [2021-10-28 09:42:03,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:03,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491421309] [2021-10-28 09:42:03,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:03,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:03,287 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 09:42:03,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:03,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491421309] [2021-10-28 09:42:03,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491421309] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:03,288 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:42:03,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:42:03,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587059755] [2021-10-28 09:42:03,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:42:03,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:03,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:42:03,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:42:03,291 INFO L87 Difference]: Start difference. First operand 63 states and 87 transitions. Second operand has 5 states, 5 states have (on average 6.6) 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 09:42:03,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:03,409 INFO L93 Difference]: Finished difference Result 216 states and 304 transitions. [2021-10-28 09:42:03,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:42:03,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) 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 09:42:03,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:03,411 INFO L225 Difference]: With dead ends: 216 [2021-10-28 09:42:03,411 INFO L226 Difference]: Without dead ends: 160 [2021-10-28 09:42:03,412 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 09:42:03,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-10-28 09:42:03,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2021-10-28 09:42:03,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 61 states have internal predecessors, (84), 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 09:42:03,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 84 transitions. [2021-10-28 09:42:03,425 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 84 transitions. Word has length 33 [2021-10-28 09:42:03,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:03,425 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 84 transitions. [2021-10-28 09:42:03,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) 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 09:42:03,426 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2021-10-28 09:42:03,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-28 09:42:03,427 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:42:03,427 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, 1, 1] [2021-10-28 09:42:03,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:42:03,428 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 09:42:03,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:03,428 INFO L85 PathProgramCache]: Analyzing trace with hash -243919497, now seen corresponding path program 1 times [2021-10-28 09:42:03,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:03,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147682711] [2021-10-28 09:42:03,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:03,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:03,515 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 09:42:03,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:03,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147682711] [2021-10-28 09:42:03,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147682711] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:03,516 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:42:03,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:42:03,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596378385] [2021-10-28 09:42:03,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:42:03,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:03,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:42:03,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:42:03,518 INFO L87 Difference]: Start difference. First operand 62 states and 84 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 09:42:03,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:03,577 INFO L93 Difference]: Finished difference Result 161 states and 220 transitions. [2021-10-28 09:42:03,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:42:03,578 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 36 [2021-10-28 09:42:03,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:03,586 INFO L225 Difference]: With dead ends: 161 [2021-10-28 09:42:03,586 INFO L226 Difference]: Without dead ends: 106 [2021-10-28 09:42:03,587 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 09:42:03,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-10-28 09:42:03,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 65. [2021-10-28 09:42:03,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.359375) internal successors, (87), 64 states have internal predecessors, (87), 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 09:42:03,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions. [2021-10-28 09:42:03,604 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 36 [2021-10-28 09:42:03,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:03,605 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions. [2021-10-28 09:42:03,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 09:42:03,605 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2021-10-28 09:42:03,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-28 09:42:03,606 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:42:03,606 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, 1, 1] [2021-10-28 09:42:03,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 09:42:03,607 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 09:42:03,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:03,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1255036747, now seen corresponding path program 1 times [2021-10-28 09:42:03,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:03,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099817510] [2021-10-28 09:42:03,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:03,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:03,660 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 09:42:03,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:03,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099817510] [2021-10-28 09:42:03,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099817510] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:03,661 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:42:03,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:42:03,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545303308] [2021-10-28 09:42:03,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:42:03,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:03,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:42:03,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:42:03,663 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 09:42:03,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:03,689 INFO L93 Difference]: Finished difference Result 149 states and 201 transitions. [2021-10-28 09:42:03,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:42:03,690 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 36 [2021-10-28 09:42:03,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:03,691 INFO L225 Difference]: With dead ends: 149 [2021-10-28 09:42:03,691 INFO L226 Difference]: Without dead ends: 91 [2021-10-28 09:42:03,691 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 09:42:03,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-10-28 09:42:03,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 67. [2021-10-28 09:42:03,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.3484848484848484) internal successors, (89), 66 states have internal predecessors, (89), 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 09:42:03,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 89 transitions. [2021-10-28 09:42:03,717 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 89 transitions. Word has length 36 [2021-10-28 09:42:03,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:03,719 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 89 transitions. [2021-10-28 09:42:03,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 09:42:03,720 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2021-10-28 09:42:03,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-28 09:42:03,724 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:42:03,725 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, 1, 1] [2021-10-28 09:42:03,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 09:42:03,725 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 09:42:03,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:03,727 INFO L85 PathProgramCache]: Analyzing trace with hash 2018862195, now seen corresponding path program 1 times [2021-10-28 09:42:03,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:03,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024053903] [2021-10-28 09:42:03,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:03,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:03,776 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 09:42:03,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:03,777 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024053903] [2021-10-28 09:42:03,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024053903] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:03,777 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:42:03,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:42:03,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843455142] [2021-10-28 09:42:03,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:42:03,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:03,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:42:03,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:42:03,779 INFO L87 Difference]: Start difference. First operand 67 states and 89 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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 09:42:03,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:03,801 INFO L93 Difference]: Finished difference Result 154 states and 206 transitions. [2021-10-28 09:42:03,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:42:03,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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 36 [2021-10-28 09:42:03,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:03,802 INFO L225 Difference]: With dead ends: 154 [2021-10-28 09:42:03,802 INFO L226 Difference]: Without dead ends: 94 [2021-10-28 09:42:03,803 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 09:42:03,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-10-28 09:42:03,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-10-28 09:42:03,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 93 states have (on average 1.3118279569892473) internal successors, (122), 93 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:42:03,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2021-10-28 09:42:03,815 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 36 [2021-10-28 09:42:03,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:03,815 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2021-10-28 09:42:03,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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 09:42:03,816 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2021-10-28 09:42:03,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-28 09:42:03,817 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:42:03,817 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, 1, 1, 1] [2021-10-28 09:42:03,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 09:42:03,817 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 09:42:03,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:03,818 INFO L85 PathProgramCache]: Analyzing trace with hash 544383411, now seen corresponding path program 1 times [2021-10-28 09:42:03,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:03,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052996778] [2021-10-28 09:42:03,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:03,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:03,910 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 09:42:03,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:03,911 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052996778] [2021-10-28 09:42:03,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052996778] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:42:03,911 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:42:03,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 09:42:03,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555211917] [2021-10-28 09:42:03,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 09:42:03,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:03,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:42:03,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:42:03,913 INFO L87 Difference]: Start difference. First operand 94 states and 122 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 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 09:42:04,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:04,210 INFO L93 Difference]: Finished difference Result 432 states and 585 transitions. [2021-10-28 09:42:04,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 09:42:04,211 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 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 37 [2021-10-28 09:42:04,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:04,213 INFO L225 Difference]: With dead ends: 432 [2021-10-28 09:42:04,213 INFO L226 Difference]: Without dead ends: 372 [2021-10-28 09:42:04,214 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-28 09:42:04,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2021-10-28 09:42:04,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 158. [2021-10-28 09:42:04,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.3184713375796178) internal successors, (207), 157 states have internal predecessors, (207), 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 09:42:04,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 207 transitions. [2021-10-28 09:42:04,236 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 207 transitions. Word has length 37 [2021-10-28 09:42:04,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:04,236 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 207 transitions. [2021-10-28 09:42:04,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 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 09:42:04,237 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 207 transitions. [2021-10-28 09:42:04,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-28 09:42:04,238 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:42:04,238 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] [2021-10-28 09:42:04,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 09:42:04,238 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 09:42:04,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:42:04,239 INFO L85 PathProgramCache]: Analyzing trace with hash 167223140, now seen corresponding path program 1 times [2021-10-28 09:42:04,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:42:04,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211364676] [2021-10-28 09:42:04,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:04,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:42:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:04,321 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:04,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:42:04,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211364676] [2021-10-28 09:42:04,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211364676] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:42:04,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274903756] [2021-10-28 09:42:04,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:42:04,323 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:42:04,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c959764d-f3b9-482b-986b-54d344a0c160/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:42:04,327 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c959764d-f3b9-482b-986b-54d344a0c160/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:42:04,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c959764d-f3b9-482b-986b-54d344a0c160/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 09:42:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:42:04,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:42:04,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:42:04,700 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:42:04,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274903756] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:42:04,701 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:42:04,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2021-10-28 09:42:04,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40050824] [2021-10-28 09:42:04,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 09:42:04,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:42:04,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 09:42:04,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-28 09:42:04,708 INFO L87 Difference]: Start difference. First operand 158 states and 207 transitions. Second operand has 10 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 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 09:42:05,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:42:05,036 INFO L93 Difference]: Finished difference Result 288 states and 383 transitions. [2021-10-28 09:42:05,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:42:05,037 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-10-28 09:42:05,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:42:05,037 INFO L225 Difference]: With dead ends: 288 [2021-10-28 09:42:05,037 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:42:05,038 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-10-28 09:42:05,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:42:05,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:42:05,039 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 09:42:05,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:42:05,039 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2021-10-28 09:42:05,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:42:05,039 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:42:05,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 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 09:42:05,040 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:42:05,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:42:05,042 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:42:05,043 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:42:05,043 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:42:05,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c959764d-f3b9-482b-986b-54d344a0c160/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:42:05,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c959764d-f3b9-482b-986b-54d344a0c160/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-28 09:42:05,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:42:05,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,352 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,352 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:05,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:42:07,132 INFO L853 garLoopResultBuilder]: At program point L795(lines 791 813) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (<= 1 ~pumpRunning~0) .cse0 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 .cse1 .cse2 .cse4 (= ~waterLevel~0 1) .cse5))) [2021-10-28 09:42:07,132 INFO L853 garLoopResultBuilder]: At program point L795-1(lines 791 813) the Hoare annotation is: false [2021-10-28 09:42:07,132 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 211) no Hoare annotation was computed. [2021-10-28 09:42:07,132 INFO L853 garLoopResultBuilder]: At program point L795-2(lines 791 813) the Hoare annotation is: false [2021-10-28 09:42:07,133 INFO L853 garLoopResultBuilder]: At program point L696(lines 691 699) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse7 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse9 (<= 1 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_main_~tmp~1 1)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse0 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse8) (and .cse0 .cse1 .cse4 .cse6 (= ~waterLevel~0 1) .cse8))) [2021-10-28 09:42:07,133 INFO L853 garLoopResultBuilder]: At program point L696-1(lines 691 699) the Hoare annotation is: false [2021-10-28 09:42:07,133 INFO L857 garLoopResultBuilder]: For program point L118(lines 118 122) no Hoare annotation was computed. [2021-10-28 09:42:07,133 INFO L853 garLoopResultBuilder]: At program point L696-2(lines 691 699) the Hoare annotation is: false [2021-10-28 09:42:07,133 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-10-28 09:42:07,133 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 118 122) no Hoare annotation was computed. [2021-10-28 09:42:07,133 INFO L857 garLoopResultBuilder]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2021-10-28 09:42:07,133 INFO L857 garLoopResultBuilder]: For program point L85-4(lines 85 91) no Hoare annotation was computed. [2021-10-28 09:42:07,133 INFO L857 garLoopResultBuilder]: For program point L746(lines 746 752) no Hoare annotation was computed. [2021-10-28 09:42:07,134 INFO L853 garLoopResultBuilder]: At program point L746-1(lines 746 752) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse3 .cse4 .cse5 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse0 .cse1 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-10-28 09:42:07,134 INFO L853 garLoopResultBuilder]: At program point L69(lines 795 801) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse1 (= ULTIMATE.start_main_~tmp~1 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse0 .cse5 .cse6 .cse1 .cse3 (= ~waterLevel~0 1) .cse4) (and .cse0 .cse5 (<= 2 ~waterLevel~0) .cse6 .cse1 .cse2 .cse3 .cse4))) [2021-10-28 09:42:07,134 INFO L853 garLoopResultBuilder]: At program point L69-1(lines 795 801) the Hoare annotation is: false [2021-10-28 09:42:07,134 INFO L853 garLoopResultBuilder]: At program point L69-2(lines 795 801) the Hoare annotation is: false [2021-10-28 09:42:07,134 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:42:07,134 INFO L853 garLoopResultBuilder]: At program point L664(lines 659 667) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~1 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-10-28 09:42:07,134 INFO L853 garLoopResultBuilder]: At program point L664-1(lines 659 667) the Hoare annotation is: false [2021-10-28 09:42:07,135 INFO L853 garLoopResultBuilder]: At program point L664-2(lines 659 667) the Hoare annotation is: false [2021-10-28 09:42:07,135 INFO L860 garLoopResultBuilder]: At program point L202(lines 183 205) the Hoare annotation is: true [2021-10-28 09:42:07,135 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 768) no Hoare annotation was computed. [2021-10-28 09:42:07,135 INFO L853 garLoopResultBuilder]: At program point L764-2(lines 764 768) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse3 .cse4 .cse5 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse0 .cse1 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-10-28 09:42:07,135 INFO L857 garLoopResultBuilder]: For program point L864(lines 864 870) no Hoare annotation was computed. [2021-10-28 09:42:07,135 INFO L857 garLoopResultBuilder]: For program point L831(lines 831 839) no Hoare annotation was computed. [2021-10-28 09:42:07,135 INFO L857 garLoopResultBuilder]: For program point L831-1(lines 831 839) no Hoare annotation was computed. [2021-10-28 09:42:07,135 INFO L857 garLoopResultBuilder]: For program point L864-2(lines 864 870) no Hoare annotation was computed. [2021-10-28 09:42:07,136 INFO L857 garLoopResultBuilder]: For program point L831-2(lines 831 839) no Hoare annotation was computed. [2021-10-28 09:42:07,136 INFO L857 garLoopResultBuilder]: For program point L864-4(lines 864 870) no Hoare annotation was computed. [2021-10-28 09:42:07,136 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 951) no Hoare annotation was computed. [2021-10-28 09:42:07,136 INFO L857 garLoopResultBuilder]: For program point L947-2(lines 947 951) no Hoare annotation was computed. [2021-10-28 09:42:07,136 INFO L857 garLoopResultBuilder]: For program point L947-3(lines 947 951) no Hoare annotation was computed. [2021-10-28 09:42:07,136 INFO L857 garLoopResultBuilder]: For program point L947-5(lines 947 951) no Hoare annotation was computed. [2021-10-28 09:42:07,136 INFO L857 garLoopResultBuilder]: For program point L947-6(lines 947 951) no Hoare annotation was computed. [2021-10-28 09:42:07,136 INFO L857 garLoopResultBuilder]: For program point L947-8(lines 947 951) no Hoare annotation was computed. [2021-10-28 09:42:07,136 INFO L853 garLoopResultBuilder]: At program point L898(lines 893 901) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse9 (<= 2 ~waterLevel~0)) (.cse8 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse1 .cse7 .cse8 .cse2 .cse4 (= ~waterLevel~0 1) .cse6) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse9 .cse8 .cse2 .cse3 .cse4 .cse6))) [2021-10-28 09:42:07,137 INFO L853 garLoopResultBuilder]: At program point L898-1(lines 893 901) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~1 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 (<= ~waterLevel~0 2) .cse2 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse3) (and .cse0 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 (= ~waterLevel~0 1) .cse3))) [2021-10-28 09:42:07,137 INFO L853 garLoopResultBuilder]: At program point L898-2(lines 893 901) the Hoare annotation is: false [2021-10-28 09:42:07,137 INFO L853 garLoopResultBuilder]: At program point L898-3(lines 893 901) the Hoare annotation is: false [2021-10-28 09:42:07,137 INFO L853 garLoopResultBuilder]: At program point L898-4(lines 893 901) the Hoare annotation is: false [2021-10-28 09:42:07,137 INFO L853 garLoopResultBuilder]: At program point L898-5(lines 893 901) the Hoare annotation is: false [2021-10-28 09:42:07,137 INFO L853 garLoopResultBuilder]: At program point L238(lines 1 964) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-28 09:42:07,137 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 655) no Hoare annotation was computed. [2021-10-28 09:42:07,138 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:42:07,138 INFO L853 garLoopResultBuilder]: At program point L802(lines 802 808) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse3 .cse4 .cse5 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse0 .cse1 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-10-28 09:42:07,138 INFO L853 garLoopResultBuilder]: At program point L802-1(lines 802 808) the Hoare annotation is: false [2021-10-28 09:42:07,138 INFO L857 garLoopResultBuilder]: For program point L736(lines 736 742) no Hoare annotation was computed. [2021-10-28 09:42:07,138 INFO L853 garLoopResultBuilder]: At program point L802-2(lines 802 808) the Hoare annotation is: false [2021-10-28 09:42:07,138 INFO L853 garLoopResultBuilder]: At program point L736-1(lines 736 742) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse3 .cse4 .cse5 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse0 .cse1 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-10-28 09:42:07,138 INFO L853 garLoopResultBuilder]: At program point L59(lines 54 61) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~1 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-28 09:42:07,139 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 211) no Hoare annotation was computed. [2021-10-28 09:42:07,139 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 710) no Hoare annotation was computed. [2021-10-28 09:42:07,139 INFO L857 garLoopResultBuilder]: For program point L704-1(lines 704 710) no Hoare annotation was computed. [2021-10-28 09:42:07,139 INFO L857 garLoopResultBuilder]: For program point L704-2(lines 704 710) no Hoare annotation was computed. [2021-10-28 09:42:07,139 INFO L857 garLoopResultBuilder]: For program point L193(lines 193 200) no Hoare annotation was computed. [2021-10-28 09:42:07,139 INFO L860 garLoopResultBuilder]: At program point L193-1(lines 193 200) the Hoare annotation is: true [2021-10-28 09:42:07,139 INFO L857 garLoopResultBuilder]: For program point L639(lines 639 643) no Hoare annotation was computed. [2021-10-28 09:42:07,139 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:42:07,140 INFO L853 garLoopResultBuilder]: At program point L953(lines 938 956) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (<= ~waterLevel~0 2) .cse3 .cse4) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2021-10-28 09:42:07,140 INFO L853 garLoopResultBuilder]: At program point L953-1(lines 938 956) the Hoare annotation is: false [2021-10-28 09:42:07,140 INFO L853 garLoopResultBuilder]: At program point L953-2(lines 938 956) the Hoare annotation is: false [2021-10-28 09:42:07,140 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 769) no Hoare annotation was computed. [2021-10-28 09:42:07,140 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-28 09:42:07,140 INFO L857 garLoopResultBuilder]: For program point L211-1(line 211) no Hoare annotation was computed. [2021-10-28 09:42:07,140 INFO L857 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-10-28 09:42:07,140 INFO L853 garLoopResultBuilder]: At program point L889(lines 882 892) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~1 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-10-28 09:42:07,140 INFO L853 garLoopResultBuilder]: At program point L889-1(lines 882 892) the Hoare annotation is: false [2021-10-28 09:42:07,141 INFO L853 garLoopResultBuilder]: At program point L889-2(lines 882 892) the Hoare annotation is: false [2021-10-28 09:42:07,141 INFO L857 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2021-10-28 09:42:07,141 INFO L853 garLoopResultBuilder]: At program point L80-1(lines 1 964) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse11 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2)) (.cse8 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse2 (= ULTIMATE.start_main_~tmp~1 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse10 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 .cse1 .cse6 .cse7 .cse8 .cse2 .cse3 .cse4 .cse9 .cse10 .cse5) (and .cse1 .cse11 .cse2 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse1 .cse11 .cse6 .cse7 .cse8 .cse2 .cse3 .cse4 .cse9 .cse10 .cse5))) [2021-10-28 09:42:07,141 INFO L857 garLoopResultBuilder]: For program point L80-2(lines 80 97) no Hoare annotation was computed. [2021-10-28 09:42:07,141 INFO L853 garLoopResultBuilder]: At program point L80-3(lines 1 964) the Hoare annotation is: false [2021-10-28 09:42:07,141 INFO L857 garLoopResultBuilder]: For program point L80-4(lines 80 97) no Hoare annotation was computed. [2021-10-28 09:42:07,141 INFO L853 garLoopResultBuilder]: At program point L80-5(lines 1 964) the Hoare annotation is: false [2021-10-28 09:42:07,141 INFO L853 garLoopResultBuilder]: At program point L774(lines 725 775) the Hoare annotation is: false [2021-10-28 09:42:07,142 INFO L853 garLoopResultBuilder]: At program point L246(lines 241 249) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-28 09:42:07,142 INFO L853 garLoopResultBuilder]: At program point L114-2(lines 114 128) the Hoare annotation is: false [2021-10-28 09:42:07,142 INFO L853 garLoopResultBuilder]: At program point L709(lines 700 713) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (<= ~waterLevel~0 2) .cse3 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2021-10-28 09:42:07,142 INFO L853 garLoopResultBuilder]: At program point L709-1(lines 700 713) the Hoare annotation is: false [2021-10-28 09:42:07,142 INFO L853 garLoopResultBuilder]: At program point L709-2(lines 700 713) the Hoare annotation is: false [2021-10-28 09:42:07,142 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:42:07,142 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 211) no Hoare annotation was computed. [2021-10-28 09:42:07,142 INFO L857 garLoopResultBuilder]: For program point L627(lines 627 631) no Hoare annotation was computed. [2021-10-28 09:42:07,143 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-10-28 09:42:07,143 INFO L857 garLoopResultBuilder]: For program point L627-3(lines 627 631) no Hoare annotation was computed. [2021-10-28 09:42:07,143 INFO L857 garLoopResultBuilder]: For program point L627-6(lines 627 631) no Hoare annotation was computed. [2021-10-28 09:42:07,143 INFO L853 garLoopResultBuilder]: At program point L165(lines 161 167) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~1 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-28 09:42:07,143 INFO L857 garLoopResultBuilder]: For program point L727(lines 726 773) no Hoare annotation was computed. [2021-10-28 09:42:07,143 INFO L857 garLoopResultBuilder]: For program point L827(lines 827 844) no Hoare annotation was computed. [2021-10-28 09:42:07,143 INFO L857 garLoopResultBuilder]: For program point L827-1(lines 827 844) no Hoare annotation was computed. [2021-10-28 09:42:07,143 INFO L857 garLoopResultBuilder]: For program point L827-2(lines 827 844) no Hoare annotation was computed. [2021-10-28 09:42:07,143 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 732) no Hoare annotation was computed. [2021-10-28 09:42:07,143 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2021-10-28 09:42:07,144 INFO L857 garLoopResultBuilder]: For program point L84-2(lines 84 94) no Hoare annotation was computed. [2021-10-28 09:42:07,144 INFO L857 garLoopResultBuilder]: For program point L84-4(lines 84 94) no Hoare annotation was computed. [2021-10-28 09:42:07,147 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:42:07,148 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:42:07,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:42:07 BoogieIcfgContainer [2021-10-28 09:42:07,176 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:42:07,177 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:42:07,177 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:42:07,177 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:42:07,177 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:42:02" (3/4) ... [2021-10-28 09:42:07,180 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:42:07,197 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 09:42:07,198 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 09:42:07,199 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 09:42:07,200 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 09:42:07,201 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 09:42:07,201 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:42:07,202 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:42:07,226 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-28 09:42:07,226 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-28 09:42:07,227 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-28 09:42:07,227 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp <= 2) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp <= 2) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) && !(0 == systemActive)) [2021-10-28 09:42:07,227 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-10-28 09:42:07,228 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-10-28 09:42:07,228 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-10-28 09:42:07,228 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-10-28 09:42:07,229 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-10-28 09:42:07,229 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-10-28 09:42:07,229 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-10-28 09:42:07,230 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive)) || ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-10-28 09:42:07,231 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-10-28 09:42:07,231 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-10-28 09:42:07,232 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-10-28 09:42:07,233 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive) [2021-10-28 09:42:07,233 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive) [2021-10-28 09:42:07,272 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c959764d-f3b9-482b-986b-54d344a0c160/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:42:07,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:42:07,273 INFO L168 Benchmark]: Toolchain (without parser) took 6804.75 ms. Allocated memory was 130.0 MB in the beginning and 157.3 MB in the end (delta: 27.3 MB). Free memory was 96.3 MB in the beginning and 91.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 33.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:07,274 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 88.1 MB. Free memory was 45.3 MB in the beginning and 45.3 MB in the end (delta: 45.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:42:07,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.81 ms. Allocated memory is still 130.0 MB. Free memory was 96.1 MB in the beginning and 96.7 MB in the end (delta: -648.5 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:07,274 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.41 ms. Allocated memory is still 130.0 MB. Free memory was 96.7 MB in the beginning and 93.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:07,275 INFO L168 Benchmark]: Boogie Preprocessor took 43.51 ms. Allocated memory is still 130.0 MB. Free memory was 93.4 MB in the beginning and 91.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:07,275 INFO L168 Benchmark]: RCFGBuilder took 1038.64 ms. Allocated memory is still 130.0 MB. Free memory was 91.3 MB in the beginning and 88.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:07,275 INFO L168 Benchmark]: TraceAbstraction took 5047.62 ms. Allocated memory was 130.0 MB in the beginning and 157.3 MB in the end (delta: 27.3 MB). Free memory was 87.4 MB in the beginning and 99.7 MB in the end (delta: -12.3 MB). Peak memory consumption was 80.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:07,276 INFO L168 Benchmark]: Witness Printer took 95.53 ms. Allocated memory is still 157.3 MB. Free memory was 99.7 MB in the beginning and 91.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:42:07,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 88.1 MB. Free memory was 45.3 MB in the beginning and 45.3 MB in the end (delta: 45.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 490.81 ms. Allocated memory is still 130.0 MB. Free memory was 96.1 MB in the beginning and 96.7 MB in the end (delta: -648.5 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.41 ms. Allocated memory is still 130.0 MB. Free memory was 96.7 MB in the beginning and 93.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.51 ms. Allocated memory is still 130.0 MB. Free memory was 93.4 MB in the beginning and 91.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1038.64 ms. Allocated memory is still 130.0 MB. Free memory was 91.3 MB in the beginning and 88.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5047.62 ms. Allocated memory was 130.0 MB in the beginning and 157.3 MB in the end (delta: 27.3 MB). Free memory was 87.4 MB in the beginning and 99.7 MB in the end (delta: -12.3 MB). Peak memory consumption was 80.9 MB. Max. memory is 16.1 GB. * Witness Printer took 95.53 ms. Allocated memory is still 157.3 MB. Free memory was 99.7 MB in the beginning and 91.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 211]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 211]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 211]: 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, 96 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 825 SDtfs, 1148 SDslu, 1192 SDs, 0 SdLazy, 200 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred in iteration=9, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 379 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 104 NumberOfFragments, 1120 HoareAnnotationTreeSize, 44 FomulaSimplifications, 19928 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 44 FomulaSimplificationsInter, 3153 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 762 SizeOfPredicates, 3 NumberOfNonLiveVariables, 439 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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: 795]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive)) || ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp <= 2) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp <= 2) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) && !(0 == systemActive)) - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: (((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 09:42:07,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c959764d-f3b9-482b-986b-54d344a0c160/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...