./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.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_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/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_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/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_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/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 9cfe95aaca007f6467395901a9efc89e5ad27f0fc32ae7ae8a1fe4e27a1f35c1 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:10:37,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:10:37,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:10:37,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:10:37,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:10:37,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:10:37,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:10:37,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:10:37,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:10:37,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:10:37,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:10:37,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:10:37,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:10:37,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:10:37,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:10:37,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:10:37,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:10:37,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:10:37,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:10:37,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:10:37,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:10:37,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:10:37,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:10:37,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:10:37,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:10:37,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:10:37,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:10:37,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:10:37,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:10:37,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:10:37,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:10:37,230 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:10:37,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:10:37,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:10:37,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:10:37,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:10:37,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:10:37,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:10:37,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:10:37,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:10:37,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:10:37,243 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:10:37,287 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:10:37,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:10:37,287 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:10:37,287 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:10:37,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:10:37,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:10:37,296 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:10:37,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:10:37,297 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:10:37,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:10:37,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:10:37,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:10:37,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:10:37,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:10:37,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:10:37,299 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:10:37,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:10:37,300 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:10:37,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:10:37,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:10:37,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:10:37,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:10:37,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:10:37,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:10:37,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:10:37,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:10:37,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:10:37,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:10:37,302 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:10:37,304 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:10:37,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:10:37,305 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:10:37,305 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_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cfe95aaca007f6467395901a9efc89e5ad27f0fc32ae7ae8a1fe4e27a1f35c1 [2021-10-28 09:10:37,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:10:37,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:10:37,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:10:37,655 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:10:37,656 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:10:37,657 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2021-10-28 09:10:37,724 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/bin/uautomizer-UnR33cPsHg/data/80f1f8a0f/5ac5564e13e74bffabc11ebbe0e4be59/FLAGd0bcb41e1 [2021-10-28 09:10:38,258 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:10:38,268 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2021-10-28 09:10:38,288 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/bin/uautomizer-UnR33cPsHg/data/80f1f8a0f/5ac5564e13e74bffabc11ebbe0e4be59/FLAGd0bcb41e1 [2021-10-28 09:10:38,575 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/bin/uautomizer-UnR33cPsHg/data/80f1f8a0f/5ac5564e13e74bffabc11ebbe0e4be59 [2021-10-28 09:10:38,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:10:38,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:10:38,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:10:38,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:10:38,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:10:38,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:10:38" (1/1) ... [2021-10-28 09:10:38,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ead436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:38, skipping insertion in model container [2021-10-28 09:10:38,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:10:38" (1/1) ... [2021-10-28 09:10:38,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:10:38,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:10:38,826 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_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c[1605,1618] [2021-10-28 09:10:38,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:10:38,955 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:10:38,969 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_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c[1605,1618] [2021-10-28 09:10:39,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:10:39,089 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:10:39,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:39 WrapperNode [2021-10-28 09:10:39,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:10:39,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:10:39,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:10:39,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:10:39,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:39" (1/1) ... [2021-10-28 09:10:39,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:39" (1/1) ... [2021-10-28 09:10:39,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:10:39,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:10:39,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:10:39,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:10:39,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:39" (1/1) ... [2021-10-28 09:10:39,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:39" (1/1) ... [2021-10-28 09:10:39,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:39" (1/1) ... [2021-10-28 09:10:39,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:39" (1/1) ... [2021-10-28 09:10:39,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:39" (1/1) ... [2021-10-28 09:10:39,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:39" (1/1) ... [2021-10-28 09:10:39,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:39" (1/1) ... [2021-10-28 09:10:39,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:10:39,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:10:39,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:10:39,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:10:39,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:39" (1/1) ... [2021-10-28 09:10:39,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:10:39,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:39,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:39,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:10:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:10:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:10:39,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:10:39,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:10:40,360 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:10:40,361 INFO L299 CfgBuilder]: Removed 172 assume(true) statements. [2021-10-28 09:10:40,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:10:40 BoogieIcfgContainer [2021-10-28 09:10:40,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:10:40,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:10:40,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:10:40,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:10:40,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:10:38" (1/3) ... [2021-10-28 09:10:40,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ab0d05f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:10:40, skipping insertion in model container [2021-10-28 09:10:40,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:39" (2/3) ... [2021-10-28 09:10:40,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ab0d05f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:10:40, skipping insertion in model container [2021-10-28 09:10:40,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:10:40" (3/3) ... [2021-10-28 09:10:40,377 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2021-10-28 09:10:40,386 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:10:40,387 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 09:10:40,460 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:10:40,472 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 09:10:40,473 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 09:10:40,499 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 122 states have (on average 1.5491803278688525) internal successors, (189), 125 states have internal predecessors, (189), 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 09:10:40,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 09:10:40,507 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:10:40,507 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 09:10:40,508 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 09:10:40,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:40,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1143595135, now seen corresponding path program 1 times [2021-10-28 09:10:40,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:40,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43977513] [2021-10-28 09:10:40,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:40,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:40,849 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 09:10:40,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:40,850 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43977513] [2021-10-28 09:10:40,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43977513] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:40,851 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:40,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:10:40,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5056659] [2021-10-28 09:10:40,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:10:40,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:40,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:10:40,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:10:40,890 INFO L87 Difference]: Start difference. First operand has 126 states, 122 states have (on average 1.5491803278688525) internal successors, (189), 125 states have internal predecessors, (189), 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 09:10:40,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:40,953 INFO L93 Difference]: Finished difference Result 245 states and 370 transitions. [2021-10-28 09:10:40,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:10:40,955 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 09:10:40,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:10:40,971 INFO L225 Difference]: With dead ends: 245 [2021-10-28 09:10:40,972 INFO L226 Difference]: Without dead ends: 122 [2021-10-28 09:10:40,976 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 09:10:40,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-10-28 09:10:41,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-10-28 09:10:41,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 119 states have (on average 1.4873949579831933) internal successors, (177), 121 states have internal predecessors, (177), 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 09:10:41,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2021-10-28 09:10:41,046 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 19 [2021-10-28 09:10:41,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:10:41,047 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2021-10-28 09:10:41,048 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 09:10:41,048 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2021-10-28 09:10:41,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 09:10:41,052 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:10:41,052 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 09:10:41,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:10:41,053 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 09:10:41,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:41,057 INFO L85 PathProgramCache]: Analyzing trace with hash 662424418, now seen corresponding path program 1 times [2021-10-28 09:10:41,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:41,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640748842] [2021-10-28 09:10:41,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:41,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:41,267 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 09:10:41,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:41,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640748842] [2021-10-28 09:10:41,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640748842] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:41,268 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:41,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:10:41,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983875729] [2021-10-28 09:10:41,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:10:41,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:41,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:10:41,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:10:41,272 INFO L87 Difference]: Start difference. First operand 122 states and 177 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 09:10:41,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:41,294 INFO L93 Difference]: Finished difference Result 122 states and 177 transitions. [2021-10-28 09:10:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:10:41,296 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 09:10:41,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:10:41,299 INFO L225 Difference]: With dead ends: 122 [2021-10-28 09:10:41,300 INFO L226 Difference]: Without dead ends: 51 [2021-10-28 09:10:41,301 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 09:10:41,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-28 09:10:41,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-28 09:10:41,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.46) internal successors, (73), 50 states have internal predecessors, (73), 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 09:10:41,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2021-10-28 09:10:41,311 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2021-10-28 09:10:41,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:10:41,311 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2021-10-28 09:10:41,312 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 09:10:41,312 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2021-10-28 09:10:41,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 09:10:41,313 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:10:41,313 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 09:10:41,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:10:41,314 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 09:10:41,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:41,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1983331463, now seen corresponding path program 1 times [2021-10-28 09:10:41,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:41,315 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563954462] [2021-10-28 09:10:41,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:41,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:41,487 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 09:10:41,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:41,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563954462] [2021-10-28 09:10:41,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563954462] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:41,492 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:41,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:10:41,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671303157] [2021-10-28 09:10:41,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:10:41,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:41,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:10:41,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:10:41,494 INFO L87 Difference]: Start difference. First operand 51 states and 73 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 09:10:41,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:41,565 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2021-10-28 09:10:41,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:10:41,566 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 09:10:41,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:10:41,569 INFO L225 Difference]: With dead ends: 95 [2021-10-28 09:10:41,570 INFO L226 Difference]: Without dead ends: 51 [2021-10-28 09:10:41,571 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 09:10:41,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-28 09:10:41,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-28 09:10:41,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.44) internal successors, (72), 50 states have internal predecessors, (72), 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 09:10:41,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2021-10-28 09:10:41,581 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 26 [2021-10-28 09:10:41,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:10:41,582 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2021-10-28 09:10:41,582 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 09:10:41,582 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2021-10-28 09:10:41,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-28 09:10:41,583 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:10:41,584 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:41,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:10:41,584 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 09:10:41,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:41,585 INFO L85 PathProgramCache]: Analyzing trace with hash -630940105, now seen corresponding path program 1 times [2021-10-28 09:10:41,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:41,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014418572] [2021-10-28 09:10:41,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:41,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:41,692 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 09:10:41,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:41,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014418572] [2021-10-28 09:10:41,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014418572] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:41,694 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:41,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:10:41,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494353624] [2021-10-28 09:10:41,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:10:41,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:41,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:10:41,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:10:41,696 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:41,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:41,727 INFO L93 Difference]: Finished difference Result 119 states and 171 transitions. [2021-10-28 09:10:41,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:10:41,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-28 09:10:41,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:10:41,729 INFO L225 Difference]: With dead ends: 119 [2021-10-28 09:10:41,729 INFO L226 Difference]: Without dead ends: 75 [2021-10-28 09:10:41,730 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 09:10:41,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-28 09:10:41,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2021-10-28 09:10:41,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.4166666666666667) internal successors, (102), 72 states have internal predecessors, (102), 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 09:10:41,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-28 09:10:41,740 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 28 [2021-10-28 09:10:41,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:10:41,741 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-28 09:10:41,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:41,741 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-28 09:10:41,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 09:10:41,743 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:10:41,743 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:41,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:10:41,744 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 09:10:41,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:41,744 INFO L85 PathProgramCache]: Analyzing trace with hash -351362712, now seen corresponding path program 1 times [2021-10-28 09:10:41,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:41,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36296044] [2021-10-28 09:10:41,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:41,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:41,843 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 09:10:41,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:41,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36296044] [2021-10-28 09:10:41,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36296044] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:41,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:41,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:10:41,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250799935] [2021-10-28 09:10:41,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:10:41,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:41,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:10:41,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:10:41,848 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:41,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:41,913 INFO L93 Difference]: Finished difference Result 203 states and 288 transitions. [2021-10-28 09:10:41,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:10:41,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 09:10:41,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:10:41,916 INFO L225 Difference]: With dead ends: 203 [2021-10-28 09:10:41,916 INFO L226 Difference]: Without dead ends: 137 [2021-10-28 09:10:41,917 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 09:10:41,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-10-28 09:10:41,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 77. [2021-10-28 09:10:41,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.394736842105263) internal successors, (106), 76 states have internal predecessors, (106), 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 09:10:41,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2021-10-28 09:10:41,928 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 34 [2021-10-28 09:10:41,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:10:41,929 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2021-10-28 09:10:41,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:41,929 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2021-10-28 09:10:41,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 09:10:41,931 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:10:41,931 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:41,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:10:41,931 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 09:10:41,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:41,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1052427290, now seen corresponding path program 1 times [2021-10-28 09:10:41,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:41,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142158743] [2021-10-28 09:10:41,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:41,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:41,997 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 09:10:41,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:41,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142158743] [2021-10-28 09:10:41,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142158743] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:41,998 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:41,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:10:41,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431861789] [2021-10-28 09:10:41,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:10:41,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:42,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:10:42,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:10:42,001 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:42,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:42,063 INFO L93 Difference]: Finished difference Result 202 states and 278 transitions. [2021-10-28 09:10:42,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:10:42,064 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 09:10:42,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:10:42,065 INFO L225 Difference]: With dead ends: 202 [2021-10-28 09:10:42,066 INFO L226 Difference]: Without dead ends: 132 [2021-10-28 09:10:42,066 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 09:10:42,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-28 09:10:42,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 83. [2021-10-28 09:10:42,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 82 states have internal predecessors, (112), 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 09:10:42,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2021-10-28 09:10:42,077 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 34 [2021-10-28 09:10:42,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:10:42,078 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2021-10-28 09:10:42,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:42,079 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2021-10-28 09:10:42,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 09:10:42,080 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:10:42,080 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:42,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 09:10:42,081 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 09:10:42,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:42,081 INFO L85 PathProgramCache]: Analyzing trace with hash -118963581, now seen corresponding path program 1 times [2021-10-28 09:10:42,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:42,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891749487] [2021-10-28 09:10:42,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:42,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:42,144 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 09:10:42,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:42,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891749487] [2021-10-28 09:10:42,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891749487] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:42,145 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:42,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:10:42,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403866122] [2021-10-28 09:10:42,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:10:42,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:42,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:10:42,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:10:42,148 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:42,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:42,250 INFO L93 Difference]: Finished difference Result 282 states and 383 transitions. [2021-10-28 09:10:42,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:10:42,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 09:10:42,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:10:42,253 INFO L225 Difference]: With dead ends: 282 [2021-10-28 09:10:42,253 INFO L226 Difference]: Without dead ends: 206 [2021-10-28 09:10:42,254 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 09:10:42,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-10-28 09:10:42,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 82. [2021-10-28 09:10:42,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.345679012345679) internal successors, (109), 81 states have internal predecessors, (109), 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 09:10:42,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2021-10-28 09:10:42,266 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 34 [2021-10-28 09:10:42,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:10:42,267 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2021-10-28 09:10:42,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:42,267 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2021-10-28 09:10:42,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 09:10:42,268 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:10:42,269 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:42,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 09:10:42,269 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 09:10:42,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:42,270 INFO L85 PathProgramCache]: Analyzing trace with hash -938168726, now seen corresponding path program 1 times [2021-10-28 09:10:42,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:42,270 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512799588] [2021-10-28 09:10:42,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:42,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:42,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:10:42,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:42,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512799588] [2021-10-28 09:10:42,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512799588] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:42,374 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:42,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:10:42,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996774436] [2021-10-28 09:10:42,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:10:42,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:42,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:10:42,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:10:42,378 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:42,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:42,413 INFO L93 Difference]: Finished difference Result 185 states and 247 transitions. [2021-10-28 09:10:42,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:10:42,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 09:10:42,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:10:42,415 INFO L225 Difference]: With dead ends: 185 [2021-10-28 09:10:42,415 INFO L226 Difference]: Without dead ends: 110 [2021-10-28 09:10:42,416 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 09:10:42,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-10-28 09:10:42,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2021-10-28 09:10:42,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 109 states have (on average 1.311926605504587) internal successors, (143), 109 states have internal predecessors, (143), 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 09:10:42,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 143 transitions. [2021-10-28 09:10:42,437 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 143 transitions. Word has length 34 [2021-10-28 09:10:42,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:10:42,437 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 143 transitions. [2021-10-28 09:10:42,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:42,438 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 143 transitions. [2021-10-28 09:10:42,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-28 09:10:42,441 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:10:42,442 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] [2021-10-28 09:10:42,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 09:10:42,442 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 09:10:42,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:42,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1960852394, now seen corresponding path program 1 times [2021-10-28 09:10:42,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:42,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029764509] [2021-10-28 09:10:42,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:42,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:42,631 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 09:10:42,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:42,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029764509] [2021-10-28 09:10:42,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029764509] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:42,632 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:42,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 09:10:42,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943615146] [2021-10-28 09:10:42,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 09:10:42,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:42,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:10:42,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:10:42,635 INFO L87 Difference]: Start difference. First operand 110 states and 143 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 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 09:10:42,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:42,918 INFO L93 Difference]: Finished difference Result 524 states and 703 transitions. [2021-10-28 09:10:42,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 09:10:42,918 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 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 35 [2021-10-28 09:10:42,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:10:42,921 INFO L225 Difference]: With dead ends: 524 [2021-10-28 09:10:42,921 INFO L226 Difference]: Without dead ends: 449 [2021-10-28 09:10:42,922 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 09:10:42,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2021-10-28 09:10:42,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 190. [2021-10-28 09:10:42,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 189 states have (on average 1.306878306878307) internal successors, (247), 189 states have internal predecessors, (247), 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 09:10:42,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 247 transitions. [2021-10-28 09:10:42,946 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 247 transitions. Word has length 35 [2021-10-28 09:10:42,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:10:42,946 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 247 transitions. [2021-10-28 09:10:42,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 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 09:10:42,947 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 247 transitions. [2021-10-28 09:10:42,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-28 09:10:42,948 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:10:42,949 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:42,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 09:10:42,949 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 09:10:42,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:42,950 INFO L85 PathProgramCache]: Analyzing trace with hash -503867042, now seen corresponding path program 1 times [2021-10-28 09:10:42,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:42,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112922003] [2021-10-28 09:10:42,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:42,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:43,048 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 09:10:43,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:43,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112922003] [2021-10-28 09:10:43,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112922003] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:10:43,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681684878] [2021-10-28 09:10:43,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:43,049 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:10:43,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:43,053 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:10:43,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 09:10:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:43,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:10:43,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:10:43,596 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 09:10:43,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681684878] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:10:43,596 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:10:43,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2021-10-28 09:10:43,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056848791] [2021-10-28 09:10:43,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 09:10:43,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:43,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 09:10:43,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-28 09:10:43,599 INFO L87 Difference]: Start difference. First operand 190 states and 247 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 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 09:10:44,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:44,037 INFO L93 Difference]: Finished difference Result 434 states and 582 transitions. [2021-10-28 09:10:44,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:10:44,038 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-28 09:10:44,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:10:44,040 INFO L225 Difference]: With dead ends: 434 [2021-10-28 09:10:44,040 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:10:44,041 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2021-10-28 09:10:44,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:10:44,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:10:44,042 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 09:10:44,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:10:44,042 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-28 09:10:44,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:10:44,042 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:10:44,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 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 09:10:44,043 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:10:44,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:10:44,045 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:10:44,046 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:10:44,046 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:10:44,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:10:44,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-28 09:10:44,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:10:44,278 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,553 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:44,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:10:46,625 INFO L853 garLoopResultBuilder]: At program point L894(lines 1 1002) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-28 09:10:46,625 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-28 09:10:46,625 INFO L853 garLoopResultBuilder]: At program point L267(lines 252 270) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1)) (= ULTIMATE.start_main_~tmp~9 1) (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~systemActive~0))) [2021-10-28 09:10:46,625 INFO L853 garLoopResultBuilder]: At program point L267-1(lines 252 270) the Hoare annotation is: false [2021-10-28 09:10:46,625 INFO L853 garLoopResultBuilder]: At program point L267-2(lines 252 270) the Hoare annotation is: false [2021-10-28 09:10:46,626 INFO L857 garLoopResultBuilder]: For program point L434(lines 434 440) no Hoare annotation was computed. [2021-10-28 09:10:46,626 INFO L857 garLoopResultBuilder]: For program point L434-1(lines 434 440) no Hoare annotation was computed. [2021-10-28 09:10:46,626 INFO L857 garLoopResultBuilder]: For program point L434-2(lines 434 440) no Hoare annotation was computed. [2021-10-28 09:10:46,626 INFO L857 garLoopResultBuilder]: For program point L434-3(lines 434 440) no Hoare annotation was computed. [2021-10-28 09:10:46,626 INFO L857 garLoopResultBuilder]: For program point L434-4(lines 434 440) no Hoare annotation was computed. [2021-10-28 09:10:46,626 INFO L857 garLoopResultBuilder]: For program point L434-5(lines 434 440) no Hoare annotation was computed. [2021-10-28 09:10:46,626 INFO L857 garLoopResultBuilder]: For program point L369(lines 369 373) no Hoare annotation was computed. [2021-10-28 09:10:46,626 INFO L857 garLoopResultBuilder]: For program point L303(lines 303 309) no Hoare annotation was computed. [2021-10-28 09:10:46,627 INFO L853 garLoopResultBuilder]: At program point L303-1(lines 303 309) the Hoare annotation is: (let ((.cse6 (= 2 ~waterLevel~0))) (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or .cse6 (<= ~waterLevel~0 1))) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4)))) [2021-10-28 09:10:46,627 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 157) no Hoare annotation was computed. [2021-10-28 09:10:46,627 INFO L857 garLoopResultBuilder]: For program point L140-1(lines 140 157) no Hoare annotation was computed. [2021-10-28 09:10:46,627 INFO L857 garLoopResultBuilder]: For program point L140-2(lines 140 157) no Hoare annotation was computed. [2021-10-28 09:10:46,627 INFO L860 garLoopResultBuilder]: At program point L999(lines 980 1002) the Hoare annotation is: true [2021-10-28 09:10:46,627 INFO L853 garLoopResultBuilder]: At program point L966(lines 962 968) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~9 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-28 09:10:46,627 INFO L853 garLoopResultBuilder]: At program point L439(lines 430 443) the Hoare annotation is: false [2021-10-28 09:10:46,628 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-28 09:10:46,628 INFO L853 garLoopResultBuilder]: At program point L439-1(lines 430 443) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= ~waterLevel~0 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 .cse3 .cse4))) [2021-10-28 09:10:46,628 INFO L853 garLoopResultBuilder]: At program point L439-2(lines 430 443) the Hoare annotation is: false [2021-10-28 09:10:46,628 INFO L853 garLoopResultBuilder]: At program point L439-3(lines 430 443) the Hoare annotation is: false [2021-10-28 09:10:46,628 INFO L853 garLoopResultBuilder]: At program point L439-4(lines 430 443) the Hoare annotation is: false [2021-10-28 09:10:46,628 INFO L853 garLoopResultBuilder]: At program point L439-5(lines 430 443) the Hoare annotation is: false [2021-10-28 09:10:46,628 INFO L853 garLoopResultBuilder]: At program point L902(lines 897 905) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-28 09:10:46,629 INFO L853 garLoopResultBuilder]: At program point L836(lines 82 88) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2021-10-28 09:10:46,629 INFO L853 garLoopResultBuilder]: At program point L836-1(lines 82 88) the Hoare annotation is: false [2021-10-28 09:10:46,629 INFO L853 garLoopResultBuilder]: At program point L836-2(lines 82 88) the Hoare annotation is: false [2021-10-28 09:10:46,629 INFO L853 garLoopResultBuilder]: At program point L341(lines 292 342) the Hoare annotation is: false [2021-10-28 09:10:46,629 INFO L857 garLoopResultBuilder]: For program point L242(lines 242 246) no Hoare annotation was computed. [2021-10-28 09:10:46,629 INFO L857 garLoopResultBuilder]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2021-10-28 09:10:46,629 INFO L857 garLoopResultBuilder]: For program point L242-3(lines 242 246) no Hoare annotation was computed. [2021-10-28 09:10:46,629 INFO L857 garLoopResultBuilder]: For program point L242-5(lines 242 246) no Hoare annotation was computed. [2021-10-28 09:10:46,629 INFO L857 garLoopResultBuilder]: For program point L242-6(lines 242 246) no Hoare annotation was computed. [2021-10-28 09:10:46,630 INFO L857 garLoopResultBuilder]: For program point L242-8(lines 242 246) no Hoare annotation was computed. [2021-10-28 09:10:46,630 INFO L857 garLoopResultBuilder]: For program point L242-9(lines 242 246) no Hoare annotation was computed. [2021-10-28 09:10:46,630 INFO L857 garLoopResultBuilder]: For program point L242-11(lines 242 246) no Hoare annotation was computed. [2021-10-28 09:10:46,630 INFO L857 garLoopResultBuilder]: For program point L242-12(lines 242 246) no Hoare annotation was computed. [2021-10-28 09:10:46,630 INFO L857 garLoopResultBuilder]: For program point L242-14(lines 242 246) no Hoare annotation was computed. [2021-10-28 09:10:46,630 INFO L857 garLoopResultBuilder]: For program point L242-15(lines 242 246) no Hoare annotation was computed. [2021-10-28 09:10:46,630 INFO L857 garLoopResultBuilder]: For program point L242-17(lines 242 246) no Hoare annotation was computed. [2021-10-28 09:10:46,630 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 152) no Hoare annotation was computed. [2021-10-28 09:10:46,631 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 144 152) no Hoare annotation was computed. [2021-10-28 09:10:46,631 INFO L857 garLoopResultBuilder]: For program point L144-2(lines 144 152) no Hoare annotation was computed. [2021-10-28 09:10:46,631 INFO L857 garLoopResultBuilder]: For program point L114(lines 114 131) no Hoare annotation was computed. [2021-10-28 09:10:46,631 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 114 131) no Hoare annotation was computed. [2021-10-28 09:10:46,631 INFO L857 garLoopResultBuilder]: For program point L114-2(lines 114 131) no Hoare annotation was computed. [2021-10-28 09:10:46,631 INFO L857 garLoopResultBuilder]: For program point L114-3(lines 114 131) no Hoare annotation was computed. [2021-10-28 09:10:46,631 INFO L857 garLoopResultBuilder]: For program point L114-4(lines 114 131) no Hoare annotation was computed. [2021-10-28 09:10:46,631 INFO L857 garLoopResultBuilder]: For program point L114-5(lines 114 131) no Hoare annotation was computed. [2021-10-28 09:10:46,631 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 319) no Hoare annotation was computed. [2021-10-28 09:10:46,632 INFO L853 garLoopResultBuilder]: At program point L313-1(lines 313 319) the Hoare annotation is: (let ((.cse6 (= 2 ~waterLevel~0))) (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or .cse6 (<= ~waterLevel~0 1))) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4)))) [2021-10-28 09:10:46,632 INFO L853 garLoopResultBuilder]: At program point L82(lines 78 100) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2021-10-28 09:10:46,632 INFO L853 garLoopResultBuilder]: At program point L82-1(lines 78 100) the Hoare annotation is: false [2021-10-28 09:10:46,632 INFO L853 garLoopResultBuilder]: At program point L82-2(lines 78 100) the Hoare annotation is: false [2021-10-28 09:10:46,632 INFO L853 garLoopResultBuilder]: At program point L248(lines 233 251) the Hoare annotation is: false [2021-10-28 09:10:46,633 INFO L853 garLoopResultBuilder]: At program point L248-1(lines 233 251) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (<= ~waterLevel~0 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 .cse4))) [2021-10-28 09:10:46,633 INFO L853 garLoopResultBuilder]: At program point L248-2(lines 233 251) the Hoare annotation is: false [2021-10-28 09:10:46,633 INFO L853 garLoopResultBuilder]: At program point L248-3(lines 233 251) the Hoare annotation is: false [2021-10-28 09:10:46,633 INFO L853 garLoopResultBuilder]: At program point L248-4(lines 233 251) the Hoare annotation is: false [2021-10-28 09:10:46,633 INFO L853 garLoopResultBuilder]: At program point L248-5(lines 233 251) the Hoare annotation is: false [2021-10-28 09:10:46,633 INFO L857 garLoopResultBuilder]: For program point L381(lines 381 385) no Hoare annotation was computed. [2021-10-28 09:10:46,633 INFO L857 garLoopResultBuilder]: For program point L118(lines 118 126) no Hoare annotation was computed. [2021-10-28 09:10:46,633 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 118 126) no Hoare annotation was computed. [2021-10-28 09:10:46,634 INFO L857 garLoopResultBuilder]: For program point L118-2(lines 118 126) no Hoare annotation was computed. [2021-10-28 09:10:46,634 INFO L857 garLoopResultBuilder]: For program point L118-3(lines 118 126) no Hoare annotation was computed. [2021-10-28 09:10:46,634 INFO L857 garLoopResultBuilder]: For program point L118-4(lines 118 126) no Hoare annotation was computed. [2021-10-28 09:10:46,634 INFO L857 garLoopResultBuilder]: For program point L118-5(lines 118 126) no Hoare annotation was computed. [2021-10-28 09:10:46,634 INFO L853 garLoopResultBuilder]: At program point L449(lines 444 452) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1)) (= ULTIMATE.start_main_~tmp~9 1) (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~systemActive~0))) [2021-10-28 09:10:46,634 INFO L853 garLoopResultBuilder]: At program point L449-1(lines 444 452) the Hoare annotation is: false [2021-10-28 09:10:46,634 INFO L853 garLoopResultBuilder]: At program point L449-2(lines 444 452) the Hoare annotation is: false [2021-10-28 09:10:46,634 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:10:46,635 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-28 09:10:46,635 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-28 09:10:46,635 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-28 09:10:46,635 INFO L857 garLoopResultBuilder]: For program point L847(lines 847 864) no Hoare annotation was computed. [2021-10-28 09:10:46,635 INFO L853 garLoopResultBuilder]: At program point L847-1(lines 1 1002) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (or .cse2 (<= ~waterLevel~0 1))) (.cse3 (= ULTIMATE.start_main_~tmp~9 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2) .cse5) (and .cse1 (= ~pumpRunning~0 0) .cse6 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse5)))) [2021-10-28 09:10:46,635 INFO L857 garLoopResultBuilder]: For program point L847-2(lines 847 864) no Hoare annotation was computed. [2021-10-28 09:10:46,635 INFO L853 garLoopResultBuilder]: At program point L847-3(lines 1 1002) the Hoare annotation is: false [2021-10-28 09:10:46,636 INFO L857 garLoopResultBuilder]: For program point L847-4(lines 847 864) no Hoare annotation was computed. [2021-10-28 09:10:46,636 INFO L853 garLoopResultBuilder]: At program point L847-5(lines 1 1002) the Hoare annotation is: false [2021-10-28 09:10:46,636 INFO L853 garLoopResultBuilder]: At program point L89(lines 89 95) the Hoare annotation is: (let ((.cse6 (= 2 ~waterLevel~0))) (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or .cse6 (<= ~waterLevel~0 1))) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4)))) [2021-10-28 09:10:46,636 INFO L853 garLoopResultBuilder]: At program point L89-1(lines 89 95) the Hoare annotation is: false [2021-10-28 09:10:46,636 INFO L853 garLoopResultBuilder]: At program point L89-2(lines 89 95) the Hoare annotation is: false [2021-10-28 09:10:46,636 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:10:46,636 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 861) no Hoare annotation was computed. [2021-10-28 09:10:46,637 INFO L857 garLoopResultBuilder]: For program point L851-2(lines 851 861) no Hoare annotation was computed. [2021-10-28 09:10:46,637 INFO L857 garLoopResultBuilder]: For program point L851-4(lines 851 861) no Hoare annotation was computed. [2021-10-28 09:10:46,637 INFO L857 garLoopResultBuilder]: For program point L323(lines 323 336) no Hoare annotation was computed. [2021-10-28 09:10:46,637 INFO L857 garLoopResultBuilder]: For program point L852(lines 852 858) no Hoare annotation was computed. [2021-10-28 09:10:46,637 INFO L853 garLoopResultBuilder]: At program point L918-2(lines 918 932) the Hoare annotation is: false [2021-10-28 09:10:46,637 INFO L857 garLoopResultBuilder]: For program point L852-2(lines 852 858) no Hoare annotation was computed. [2021-10-28 09:10:46,637 INFO L857 garLoopResultBuilder]: For program point L852-4(lines 852 858) no Hoare annotation was computed. [2021-10-28 09:10:46,637 INFO L857 garLoopResultBuilder]: For program point L357(lines 357 361) no Hoare annotation was computed. [2021-10-28 09:10:46,638 INFO L857 garLoopResultBuilder]: For program point L357-3(lines 357 361) no Hoare annotation was computed. [2021-10-28 09:10:46,638 INFO L857 garLoopResultBuilder]: For program point L357-6(lines 357 361) no Hoare annotation was computed. [2021-10-28 09:10:46,638 INFO L857 garLoopResultBuilder]: For program point L919(line 919) no Hoare annotation was computed. [2021-10-28 09:10:46,638 INFO L853 garLoopResultBuilder]: At program point L193(lines 188 196) the Hoare annotation is: (let ((.cse7 (= 2 ~waterLevel~0))) (let ((.cse1 (or .cse7 (<= ~waterLevel~0 1))) (.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 .cse6 (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse5 .cse0 .cse7 .cse2 .cse3 .cse6 .cse4)))) [2021-10-28 09:10:46,638 INFO L853 garLoopResultBuilder]: At program point L193-1(lines 188 196) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2021-10-28 09:10:46,638 INFO L853 garLoopResultBuilder]: At program point L193-2(lines 188 196) the Hoare annotation is: false [2021-10-28 09:10:46,638 INFO L853 garLoopResultBuilder]: At program point L193-3(lines 188 196) the Hoare annotation is: false [2021-10-28 09:10:46,639 INFO L853 garLoopResultBuilder]: At program point L193-4(lines 188 196) the Hoare annotation is: false [2021-10-28 09:10:46,639 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:10:46,639 INFO L853 garLoopResultBuilder]: At program point L193-5(lines 188 196) the Hoare annotation is: false [2021-10-28 09:10:46,639 INFO L853 garLoopResultBuilder]: At program point L426(lines 421 429) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (or .cse2 (<= ~waterLevel~0 1))) (.cse3 (= ULTIMATE.start_main_~tmp~9 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 .cse5) (and .cse1 (= ~pumpRunning~0 0) .cse6 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse5)))) [2021-10-28 09:10:46,639 INFO L853 garLoopResultBuilder]: At program point L426-1(lines 421 429) the Hoare annotation is: false [2021-10-28 09:10:46,639 INFO L853 garLoopResultBuilder]: At program point L426-2(lines 421 429) the Hoare annotation is: false [2021-10-28 09:10:46,639 INFO L857 garLoopResultBuilder]: For program point L294(lines 293 340) no Hoare annotation was computed. [2021-10-28 09:10:46,640 INFO L857 garLoopResultBuilder]: For program point L261(lines 261 265) no Hoare annotation was computed. [2021-10-28 09:10:46,640 INFO L857 garLoopResultBuilder]: For program point L261-2(lines 261 265) no Hoare annotation was computed. [2021-10-28 09:10:46,640 INFO L857 garLoopResultBuilder]: For program point L261-3(lines 261 265) no Hoare annotation was computed. [2021-10-28 09:10:46,640 INFO L857 garLoopResultBuilder]: For program point L261-5(lines 261 265) no Hoare annotation was computed. [2021-10-28 09:10:46,640 INFO L857 garLoopResultBuilder]: For program point L261-6(lines 261 265) no Hoare annotation was computed. [2021-10-28 09:10:46,640 INFO L857 garLoopResultBuilder]: For program point L261-8(lines 261 265) no Hoare annotation was computed. [2021-10-28 09:10:46,640 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 926) no Hoare annotation was computed. [2021-10-28 09:10:46,640 INFO L857 garLoopResultBuilder]: For program point L922-1(lines 922 926) no Hoare annotation was computed. [2021-10-28 09:10:46,640 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 299) no Hoare annotation was computed. [2021-10-28 09:10:46,641 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:10:46,641 INFO L857 garLoopResultBuilder]: For program point L990(lines 990 997) no Hoare annotation was computed. [2021-10-28 09:10:46,641 INFO L860 garLoopResultBuilder]: At program point L990-1(lines 990 997) the Hoare annotation is: true [2021-10-28 09:10:46,641 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-28 09:10:46,641 INFO L853 garLoopResultBuilder]: At program point L826(lines 821 828) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~9 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-28 09:10:46,641 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 335) no Hoare annotation was computed. [2021-10-28 09:10:46,642 INFO L853 garLoopResultBuilder]: At program point L331-2(lines 331 335) the Hoare annotation is: (let ((.cse6 (= 2 ~waterLevel~0))) (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or .cse6 (<= ~waterLevel~0 1))) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4)))) [2021-10-28 09:10:46,645 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:46,651 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:10:46,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:10:46 BoogieIcfgContainer [2021-10-28 09:10:46,702 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:10:46,703 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:10:46,703 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:10:46,703 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:10:46,703 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:10:40" (3/4) ... [2021-10-28 09:10:46,706 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:10:46,744 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 09:10:46,745 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 09:10:46,746 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 09:10:46,747 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 09:10:46,749 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 09:10:46,750 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:10:46,751 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:10:46,783 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-28 09:10:46,783 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-28 09:10:46,783 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-28 09:10:46,783 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 2) && \result == 1) && tmp == 2) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-10-28 09:10:46,784 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-10-28 09:10:46,784 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-10-28 09:10:46,784 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-10-28 09:10:46,785 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && 1 <= \result) && !(0 == systemActive)) [2021-10-28 09:10:46,785 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-10-28 09:10:46,786 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-10-28 09:10:46,786 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-10-28 09:10:46,787 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 2) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-10-28 09:10:46,788 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive) [2021-10-28 09:10:46,788 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && \result == 1) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-10-28 09:10:46,789 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-10-28 09:10:46,789 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive) [2021-10-28 09:10:46,790 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-10-28 09:10:46,858 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:10:46,858 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:10:46,860 INFO L168 Benchmark]: Toolchain (without parser) took 8279.11 ms. Allocated memory was 90.2 MB in the beginning and 132.1 MB in the end (delta: 41.9 MB). Free memory was 49.8 MB in the beginning and 38.8 MB in the end (delta: 11.1 MB). Peak memory consumption was 55.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:46,860 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 90.2 MB. Free memory is still 67.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:10:46,861 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.26 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 49.6 MB in the beginning and 74.4 MB in the end (delta: -24.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:46,861 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.21 ms. Allocated memory is still 109.1 MB. Free memory was 74.4 MB in the beginning and 70.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:46,862 INFO L168 Benchmark]: Boogie Preprocessor took 84.00 ms. Allocated memory is still 109.1 MB. Free memory was 70.3 MB in the beginning and 68.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:46,862 INFO L168 Benchmark]: RCFGBuilder took 1068.39 ms. Allocated memory is still 109.1 MB. Free memory was 67.6 MB in the beginning and 72.6 MB in the end (delta: -5.0 MB). Peak memory consumption was 37.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:46,862 INFO L168 Benchmark]: TraceAbstraction took 6334.91 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 72.5 MB in the beginning and 49.2 MB in the end (delta: 23.3 MB). Peak memory consumption was 62.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:46,863 INFO L168 Benchmark]: Witness Printer took 155.36 ms. Allocated memory is still 132.1 MB. Free memory was 49.2 MB in the beginning and 38.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:10:46,865 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 90.2 MB. Free memory is still 67.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 510.26 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 49.6 MB in the beginning and 74.4 MB in the end (delta: -24.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 117.21 ms. Allocated memory is still 109.1 MB. Free memory was 74.4 MB in the beginning and 70.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.00 ms. Allocated memory is still 109.1 MB. Free memory was 70.3 MB in the beginning and 68.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1068.39 ms. Allocated memory is still 109.1 MB. Free memory was 67.6 MB in the beginning and 72.6 MB in the end (delta: -5.0 MB). Peak memory consumption was 37.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6334.91 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 72.5 MB in the beginning and 49.2 MB in the end (delta: 23.3 MB). Peak memory consumption was 62.3 MB. Max. memory is 16.1 GB. * Witness Printer took 155.36 ms. Allocated memory is still 132.1 MB. Free memory was 49.2 MB in the beginning and 38.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: 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, 126 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1044 SDtfs, 1423 SDslu, 1486 SDs, 0 SdLazy, 269 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred in iteration=9, InterpolantAutomatonStates: 55, 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, 494 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 155 NumberOfFragments, 953 HoareAnnotationTreeSize, 50 FomulaSimplifications, 58231 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 50 FomulaSimplificationsInter, 7249 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 369 ConstructedInterpolants, 0 QuantifiedInterpolants, 796 SizeOfPredicates, 3 NumberOfNonLiveVariables, 447 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: 444]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive) - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 2) && \result == 1) && tmp == 2) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && \result == 1) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 2) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && 1 <= \result) && !(0 == systemActive)) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 990]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 09:10:46,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6c5710d-e002-4666-9d08-ec7a1b7ebcbf/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...