./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.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_33c2974c-86bc-4a71-98c9-dbe778a8223b/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c2974c-86bc-4a71-98c9-dbe778a8223b/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c2974c-86bc-4a71-98c9-dbe778a8223b/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c2974c-86bc-4a71-98c9-dbe778a8223b/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c2974c-86bc-4a71-98c9-dbe778a8223b/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c2974c-86bc-4a71-98c9-dbe778a8223b/bin/uautomizer-GMMbpWq8iD --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 06101f936f6436bac89af152aefce31c84cfc20ba80a5adfcf1af02faa2d4f3b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:50:14,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:50:14,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:50:14,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:50:14,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:50:14,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:50:14,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:50:14,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:50:14,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:50:14,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:50:14,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:50:14,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:50:14,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:50:14,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:50:14,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:50:14,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:50:14,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:50:14,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:50:14,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:50:14,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:50:14,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:50:14,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:50:14,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:50:14,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:50:14,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:50:14,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:50:14,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:50:14,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:50:14,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:50:14,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:50:14,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:50:14,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:50:14,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:50:14,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:50:14,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:50:14,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:50:14,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:50:14,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:50:14,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:50:14,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:50:14,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:50:14,276 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c2974c-86bc-4a71-98c9-dbe778a8223b/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 22:50:14,321 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:50:14,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:50:14,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:50:14,322 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:50:14,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:50:14,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:50:14,324 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:50:14,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:50:14,324 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:50:14,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:50:14,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:50:14,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:50:14,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:50:14,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:50:14,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:50:14,327 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:50:14,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:50:14,327 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:50:14,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:50:14,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:50:14,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:50:14,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:50:14,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:50:14,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:50:14,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:50:14,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:50:14,330 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:50:14,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 22:50:14,330 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 22:50:14,330 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 22:50:14,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:50:14,331 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:50:14,331 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_33c2974c-86bc-4a71-98c9-dbe778a8223b/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c2974c-86bc-4a71-98c9-dbe778a8223b/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06101f936f6436bac89af152aefce31c84cfc20ba80a5adfcf1af02faa2d4f3b [2021-10-28 22:50:14,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:50:14,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:50:14,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:50:14,602 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:50:14,602 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:50:14,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c2974c-86bc-4a71-98c9-dbe778a8223b/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2021-10-28 22:50:14,670 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c2974c-86bc-4a71-98c9-dbe778a8223b/bin/uautomizer-GMMbpWq8iD/data/a0e681020/048e7d1487604b5b9c0ae563af345129/FLAG1cf567dfd [2021-10-28 22:50:15,308 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:50:15,309 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c2974c-86bc-4a71-98c9-dbe778a8223b/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2021-10-28 22:50:15,325 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c2974c-86bc-4a71-98c9-dbe778a8223b/bin/uautomizer-GMMbpWq8iD/data/a0e681020/048e7d1487604b5b9c0ae563af345129/FLAG1cf567dfd [2021-10-28 22:50:15,579 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c2974c-86bc-4a71-98c9-dbe778a8223b/bin/uautomizer-GMMbpWq8iD/data/a0e681020/048e7d1487604b5b9c0ae563af345129 [2021-10-28 22:50:15,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:50:15,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:50:15,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:50:15,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:50:15,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:50:15,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:50:15" (1/1) ... [2021-10-28 22:50:15,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@718f8492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:15, skipping insertion in model container [2021-10-28 22:50:15,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:50:15" (1/1) ... [2021-10-28 22:50:15,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:50:15,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:50:15,908 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_33c2974c-86bc-4a71-98c9-dbe778a8223b/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c[2141,2154] [2021-10-28 22:50:16,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:50:16,028 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:50:16,044 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_33c2974c-86bc-4a71-98c9-dbe778a8223b/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c[2141,2154] [2021-10-28 22:50:16,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:50:16,175 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:50:16,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:16 WrapperNode [2021-10-28 22:50:16,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:50:16,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:50:16,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:50:16,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:50:16,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:16" (1/1) ... [2021-10-28 22:50:16,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:16" (1/1) ... [2021-10-28 22:50:16,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:50:16,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:50:16,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:50:16,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:50:16,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:16" (1/1) ... [2021-10-28 22:50:16,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:16" (1/1) ... [2021-10-28 22:50:16,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:16" (1/1) ... [2021-10-28 22:50:16,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:16" (1/1) ... [2021-10-28 22:50:16,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:16" (1/1) ... [2021-10-28 22:50:16,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:16" (1/1) ... [2021-10-28 22:50:16,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:16" (1/1) ... [2021-10-28 22:50:16,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:50:16,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:50:16,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:50:16,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:50:16,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:16" (1/1) ... [2021-10-28 22:50:16,400 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:50:16,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c2974c-86bc-4a71-98c9-dbe778a8223b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:16,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c2974c-86bc-4a71-98c9-dbe778a8223b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:50:16,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c2974c-86bc-4a71-98c9-dbe778a8223b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:50:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:50:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:50:16,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:50:16,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:50:17,479 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:50:17,480 INFO L299 CfgBuilder]: Removed 116 assume(true) statements. [2021-10-28 22:50:17,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:50:17 BoogieIcfgContainer [2021-10-28 22:50:17,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:50:17,485 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:50:17,485 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:50:17,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:50:17,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:50:15" (1/3) ... [2021-10-28 22:50:17,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ad0458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:50:17, skipping insertion in model container [2021-10-28 22:50:17,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:50:16" (2/3) ... [2021-10-28 22:50:17,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ad0458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:50:17, skipping insertion in model container [2021-10-28 22:50:17,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:50:17" (3/3) ... [2021-10-28 22:50:17,494 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2021-10-28 22:50:17,499 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:50:17,499 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 22:50:17,559 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:50:17,569 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 22:50:17,570 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 22:50:17,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 85 states have (on average 1.5529411764705883) internal successors, (132), 88 states have internal predecessors, (132), 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 22:50:17,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 22:50:17,599 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:50:17,600 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 22:50:17,600 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 22:50:17,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:17,615 INFO L85 PathProgramCache]: Analyzing trace with hash 795545809, now seen corresponding path program 1 times [2021-10-28 22:50:17,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:17,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118534265] [2021-10-28 22:50:17,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:17,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:50:17,855 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 22:50:17,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:50:17,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118534265] [2021-10-28 22:50:17,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118534265] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:50:17,858 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:50:17,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:50:17,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166163904] [2021-10-28 22:50:17,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 22:50:17,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:50:17,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 22:50:17,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:50:17,888 INFO L87 Difference]: Start difference. First operand has 89 states, 85 states have (on average 1.5529411764705883) internal successors, (132), 88 states have internal predecessors, (132), 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 22:50:17,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:50:17,924 INFO L93 Difference]: Finished difference Result 171 states and 256 transitions. [2021-10-28 22:50:17,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 22:50:17,926 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 22:50:17,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:50:17,935 INFO L225 Difference]: With dead ends: 171 [2021-10-28 22:50:17,935 INFO L226 Difference]: Without dead ends: 85 [2021-10-28 22:50:17,938 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 22:50:17,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-10-28 22:50:17,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-10-28 22:50:17,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 82 states have (on average 1.4634146341463414) internal successors, (120), 84 states have internal predecessors, (120), 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 22:50:17,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2021-10-28 22:50:17,984 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2021-10-28 22:50:17,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:50:17,985 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2021-10-28 22:50:17,985 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 22:50:17,985 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2021-10-28 22:50:17,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 22:50:17,987 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:50:17,987 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 22:50:17,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 22:50:17,988 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 22:50:17,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:17,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1693401934, now seen corresponding path program 1 times [2021-10-28 22:50:17,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:17,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106754560] [2021-10-28 22:50:17,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:17,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:50:18,161 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 22:50:18,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:50:18,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106754560] [2021-10-28 22:50:18,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106754560] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:50:18,163 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:50:18,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:50:18,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497943243] [2021-10-28 22:50:18,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:50:18,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:50:18,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:50:18,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:50:18,168 INFO L87 Difference]: Start difference. First operand 85 states and 120 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 22:50:18,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:50:18,192 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2021-10-28 22:50:18,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:50:18,194 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 22:50:18,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:50:18,197 INFO L225 Difference]: With dead ends: 85 [2021-10-28 22:50:18,197 INFO L226 Difference]: Without dead ends: 40 [2021-10-28 22:50:18,199 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 22:50:18,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-10-28 22:50:18,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-10-28 22:50:18,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.435897435897436) internal successors, (56), 39 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:18,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2021-10-28 22:50:18,210 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2021-10-28 22:50:18,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:50:18,211 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2021-10-28 22:50:18,211 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 22:50:18,211 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2021-10-28 22:50:18,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 22:50:18,212 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:50:18,212 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 22:50:18,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 22:50:18,213 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 22:50:18,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:18,213 INFO L85 PathProgramCache]: Analyzing trace with hash -657926814, now seen corresponding path program 1 times [2021-10-28 22:50:18,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:18,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617575449] [2021-10-28 22:50:18,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:18,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:50:18,339 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 22:50:18,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:50:18,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617575449] [2021-10-28 22:50:18,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617575449] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:50:18,340 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:50:18,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 22:50:18,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922997638] [2021-10-28 22:50:18,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:50:18,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:50:18,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:50:18,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:50:18,343 INFO L87 Difference]: Start difference. First operand 40 states and 56 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 22:50:18,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:50:18,445 INFO L93 Difference]: Finished difference Result 99 states and 143 transitions. [2021-10-28 22:50:18,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 22:50:18,446 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 22:50:18,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:50:18,447 INFO L225 Difference]: With dead ends: 99 [2021-10-28 22:50:18,447 INFO L226 Difference]: Without dead ends: 66 [2021-10-28 22:50:18,448 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 22:50:18,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-10-28 22:50:18,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62. [2021-10-28 22:50:18,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.459016393442623) internal successors, (89), 61 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:18,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 89 transitions. [2021-10-28 22:50:18,458 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 89 transitions. Word has length 26 [2021-10-28 22:50:18,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:50:18,458 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 89 transitions. [2021-10-28 22:50:18,458 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 22:50:18,459 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2021-10-28 22:50:18,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-28 22:50:18,460 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:50:18,460 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:50:18,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 22:50:18,461 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 22:50:18,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:18,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1225410363, now seen corresponding path program 1 times [2021-10-28 22:50:18,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:18,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571426777] [2021-10-28 22:50:18,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:18,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:50:18,600 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 22:50:18,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:50:18,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571426777] [2021-10-28 22:50:18,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571426777] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:50:18,601 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:50:18,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:50:18,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007699357] [2021-10-28 22:50:18,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:50:18,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:50:18,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:50:18,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:50:18,604 INFO L87 Difference]: Start difference. First operand 62 states and 89 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:18,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:50:18,647 INFO L93 Difference]: Finished difference Result 141 states and 205 transitions. [2021-10-28 22:50:18,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:50:18,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-28 22:50:18,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:50:18,650 INFO L225 Difference]: With dead ends: 141 [2021-10-28 22:50:18,650 INFO L226 Difference]: Without dead ends: 86 [2021-10-28 22:50:18,651 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 22:50:18,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-10-28 22:50:18,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2021-10-28 22:50:18,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 83 states have internal predecessors, (118), 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 22:50:18,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 118 transitions. [2021-10-28 22:50:18,667 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 118 transitions. Word has length 27 [2021-10-28 22:50:18,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:50:18,668 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 118 transitions. [2021-10-28 22:50:18,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:18,668 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2021-10-28 22:50:18,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-28 22:50:18,671 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:50:18,672 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] [2021-10-28 22:50:18,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 22:50:18,677 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 22:50:18,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:18,679 INFO L85 PathProgramCache]: Analyzing trace with hash -88733333, now seen corresponding path program 1 times [2021-10-28 22:50:18,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:18,680 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109910441] [2021-10-28 22:50:18,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:18,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:50:18,803 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 22:50:18,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:50:18,804 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109910441] [2021-10-28 22:50:18,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109910441] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:50:18,804 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:50:18,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:50:18,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114613861] [2021-10-28 22:50:18,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:50:18,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:50:18,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:50:18,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:50:18,806 INFO L87 Difference]: Start difference. First operand 84 states and 118 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 22:50:18,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:50:18,944 INFO L93 Difference]: Finished difference Result 273 states and 386 transitions. [2021-10-28 22:50:18,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 22:50:18,944 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 29 [2021-10-28 22:50:18,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:50:18,946 INFO L225 Difference]: With dead ends: 273 [2021-10-28 22:50:18,946 INFO L226 Difference]: Without dead ends: 196 [2021-10-28 22:50:18,947 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 22:50:18,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-10-28 22:50:18,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 82. [2021-10-28 22:50:18,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.382716049382716) internal successors, (112), 81 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 22:50:18,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 112 transitions. [2021-10-28 22:50:18,967 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 112 transitions. Word has length 29 [2021-10-28 22:50:18,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:50:18,968 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 112 transitions. [2021-10-28 22:50:18,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 22:50:18,968 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 112 transitions. [2021-10-28 22:50:18,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 22:50:18,969 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:50:18,969 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:50:18,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 22:50:18,970 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 22:50:18,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:18,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1397643050, now seen corresponding path program 1 times [2021-10-28 22:50:18,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:18,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656111331] [2021-10-28 22:50:18,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:18,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:50:19,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:50:19,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:50:19,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656111331] [2021-10-28 22:50:19,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656111331] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:50:19,036 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:50:19,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 22:50:19,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746156266] [2021-10-28 22:50:19,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:50:19,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:50:19,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:50:19,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:50:19,039 INFO L87 Difference]: Start difference. First operand 82 states and 112 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:19,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:50:19,084 INFO L93 Difference]: Finished difference Result 240 states and 330 transitions. [2021-10-28 22:50:19,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 22:50:19,085 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 22:50:19,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:50:19,086 INFO L225 Difference]: With dead ends: 240 [2021-10-28 22:50:19,086 INFO L226 Difference]: Without dead ends: 165 [2021-10-28 22:50:19,087 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 22:50:19,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-10-28 22:50:19,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 85. [2021-10-28 22:50:19,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.369047619047619) internal successors, (115), 84 states have internal predecessors, (115), 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 22:50:19,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 115 transitions. [2021-10-28 22:50:19,105 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 115 transitions. Word has length 33 [2021-10-28 22:50:19,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:50:19,105 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 115 transitions. [2021-10-28 22:50:19,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:19,106 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 115 transitions. [2021-10-28 22:50:19,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 22:50:19,110 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:50:19,110 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:50:19,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 22:50:19,111 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 22:50:19,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:19,111 INFO L85 PathProgramCache]: Analyzing trace with hash 2098707628, now seen corresponding path program 1 times [2021-10-28 22:50:19,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:19,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330871008] [2021-10-28 22:50:19,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:19,113 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:50:19,197 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 22:50:19,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:50:19,197 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330871008] [2021-10-28 22:50:19,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330871008] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:50:19,197 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:50:19,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:50:19,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619858286] [2021-10-28 22:50:19,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 22:50:19,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:50:19,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:50:19,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:50:19,203 INFO L87 Difference]: Start difference. First operand 85 states and 115 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:19,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:50:19,235 INFO L93 Difference]: Finished difference Result 211 states and 287 transitions. [2021-10-28 22:50:19,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 22:50:19,236 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 22:50:19,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:50:19,237 INFO L225 Difference]: With dead ends: 211 [2021-10-28 22:50:19,237 INFO L226 Difference]: Without dead ends: 133 [2021-10-28 22:50:19,241 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 22:50:19,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-28 22:50:19,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 87. [2021-10-28 22:50:19,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.3604651162790697) internal successors, (117), 86 states have internal predecessors, (117), 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 22:50:19,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 117 transitions. [2021-10-28 22:50:19,263 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 117 transitions. Word has length 33 [2021-10-28 22:50:19,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:50:19,265 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 117 transitions. [2021-10-28 22:50:19,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:19,265 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 117 transitions. [2021-10-28 22:50:19,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 22:50:19,267 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:50:19,268 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:50:19,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 22:50:19,268 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 22:50:19,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:19,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1511901614, now seen corresponding path program 1 times [2021-10-28 22:50:19,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:19,270 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765339100] [2021-10-28 22:50:19,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:19,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:50:19,368 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 22:50:19,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:50:19,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765339100] [2021-10-28 22:50:19,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765339100] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:50:19,369 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:50:19,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:50:19,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020232321] [2021-10-28 22:50:19,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:50:19,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:50:19,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:50:19,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:50:19,373 INFO L87 Difference]: Start difference. First operand 87 states and 117 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:19,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:50:19,398 INFO L93 Difference]: Finished difference Result 216 states and 292 transitions. [2021-10-28 22:50:19,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:50:19,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 22:50:19,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:50:19,400 INFO L225 Difference]: With dead ends: 216 [2021-10-28 22:50:19,400 INFO L226 Difference]: Without dead ends: 136 [2021-10-28 22:50:19,401 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 22:50:19,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-10-28 22:50:19,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2021-10-28 22:50:19,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 135 states have (on average 1.325925925925926) internal successors, (179), 135 states have internal predecessors, (179), 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 22:50:19,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 179 transitions. [2021-10-28 22:50:19,430 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 179 transitions. Word has length 33 [2021-10-28 22:50:19,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:50:19,431 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 179 transitions. [2021-10-28 22:50:19,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:50:19,431 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 179 transitions. [2021-10-28 22:50:19,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 22:50:19,438 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:50:19,438 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 22:50:19,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 22:50:19,438 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 22:50:19,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:19,439 INFO L85 PathProgramCache]: Analyzing trace with hash -888433554, now seen corresponding path program 1 times [2021-10-28 22:50:19,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:19,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146847551] [2021-10-28 22:50:19,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:19,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:50:19,616 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 22:50:19,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:50:19,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146847551] [2021-10-28 22:50:19,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146847551] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:50:19,617 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:50:19,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 22:50:19,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780210115] [2021-10-28 22:50:19,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 22:50:19,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:50:19,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 22:50:19,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-28 22:50:19,619 INFO L87 Difference]: Start difference. First operand 136 states and 179 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 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 22:50:19,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:50:19,925 INFO L93 Difference]: Finished difference Result 616 states and 842 transitions. [2021-10-28 22:50:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 22:50:19,926 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 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 22:50:19,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:50:19,931 INFO L225 Difference]: With dead ends: 616 [2021-10-28 22:50:19,932 INFO L226 Difference]: Without dead ends: 536 [2021-10-28 22:50:19,936 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 22:50:19,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2021-10-28 22:50:19,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 222. [2021-10-28 22:50:19,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 221 states have (on average 1.330316742081448) internal successors, (294), 221 states have internal predecessors, (294), 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 22:50:19,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 294 transitions. [2021-10-28 22:50:19,985 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 294 transitions. Word has length 34 [2021-10-28 22:50:19,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:50:19,986 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 294 transitions. [2021-10-28 22:50:19,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 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 22:50:19,987 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 294 transitions. [2021-10-28 22:50:19,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-28 22:50:19,989 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:50:19,989 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] [2021-10-28 22:50:19,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 22:50:19,990 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 22:50:19,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:50:19,991 INFO L85 PathProgramCache]: Analyzing trace with hash -513094318, now seen corresponding path program 1 times [2021-10-28 22:50:19,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:50:19,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54226064] [2021-10-28 22:50:19,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:19,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:50:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:50:20,079 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 22:50:20,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:50:20,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54226064] [2021-10-28 22:50:20,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54226064] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:50:20,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341119199] [2021-10-28 22:50:20,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:50:20,081 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:50:20,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c2974c-86bc-4a71-98c9-dbe778a8223b/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:50:20,083 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c2974c-86bc-4a71-98c9-dbe778a8223b/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:50:20,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c2974c-86bc-4a71-98c9-dbe778a8223b/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 22:50:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:50:20,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 22:50:20,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:50:20,532 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 22:50:20,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341119199] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:50:20,532 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:50:20,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-28 22:50:20,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565417134] [2021-10-28 22:50:20,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 22:50:20,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:50:20,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 22:50:20,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 22:50:20,537 INFO L87 Difference]: Start difference. First operand 222 states and 294 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 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 22:50:20,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:50:20,757 INFO L93 Difference]: Finished difference Result 453 states and 603 transitions. [2021-10-28 22:50:20,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 22:50:20,758 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 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 51 [2021-10-28 22:50:20,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:50:20,758 INFO L225 Difference]: With dead ends: 453 [2021-10-28 22:50:20,759 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 22:50:20,759 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-28 22:50:20,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 22:50:20,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 22:50:20,760 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 22:50:20,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 22:50:20,760 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2021-10-28 22:50:20,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:50:20,760 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:50:20,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 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 22:50:20,761 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 22:50:20,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 22:50:20,763 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:50:20,764 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:50:20,764 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:50:20,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c2974c-86bc-4a71-98c9-dbe778a8223b/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 22:50:20,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c2974c-86bc-4a71-98c9-dbe778a8223b/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:50:20,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 22:50:20,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,311 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:21,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:50:23,795 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2021-10-28 22:50:23,795 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 22:50:23,796 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 712) no Hoare annotation was computed. [2021-10-28 22:50:23,796 INFO L857 garLoopResultBuilder]: For program point L152(lines 152 169) no Hoare annotation was computed. [2021-10-28 22:50:23,796 INFO L857 garLoopResultBuilder]: For program point L152-1(lines 152 169) no Hoare annotation was computed. [2021-10-28 22:50:23,796 INFO L857 garLoopResultBuilder]: For program point L152-2(lines 152 169) no Hoare annotation was computed. [2021-10-28 22:50:23,796 INFO L857 garLoopResultBuilder]: For program point L268(lines 268 274) no Hoare annotation was computed. [2021-10-28 22:50:23,797 INFO L853 garLoopResultBuilder]: At program point L268-1(lines 268 274) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3) (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2 .cse3))) [2021-10-28 22:50:23,797 INFO L853 garLoopResultBuilder]: At program point L962(lines 953 966) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2021-10-28 22:50:23,797 INFO L853 garLoopResultBuilder]: At program point L962-1(lines 953 966) the Hoare annotation is: false [2021-10-28 22:50:23,798 INFO L853 garLoopResultBuilder]: At program point L962-2(lines 953 966) the Hoare annotation is: false [2021-10-28 22:50:23,798 INFO L853 garLoopResultBuilder]: At program point L120(lines 116 138) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~6 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3 .cse4) (and .cse0 .cse2 (= ~switchedOnBeforeTS~0 1) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5 (= ~pumpRunning~0 1)))) [2021-10-28 22:50:23,798 INFO L853 garLoopResultBuilder]: At program point L120-1(lines 116 138) the Hoare annotation is: false [2021-10-28 22:50:23,798 INFO L853 garLoopResultBuilder]: At program point L120-2(lines 116 138) the Hoare annotation is: false [2021-10-28 22:50:23,798 INFO L857 garLoopResultBuilder]: For program point L880(lines 880 884) no Hoare annotation was computed. [2021-10-28 22:50:23,798 INFO L857 garLoopResultBuilder]: For program point L880-3(lines 880 884) no Hoare annotation was computed. [2021-10-28 22:50:23,798 INFO L857 garLoopResultBuilder]: For program point L880-6(lines 880 884) no Hoare annotation was computed. [2021-10-28 22:50:23,799 INFO L853 garLoopResultBuilder]: At program point L831(lines 826 833) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~6 1) (not (= 0 ~systemActive~0))) [2021-10-28 22:50:23,799 INFO L857 garLoopResultBuilder]: For program point L254(lines 254 258) no Hoare annotation was computed. [2021-10-28 22:50:23,799 INFO L857 garLoopResultBuilder]: For program point L254-2(lines 254 258) no Hoare annotation was computed. [2021-10-28 22:50:23,799 INFO L857 garLoopResultBuilder]: For program point L254-3(lines 254 258) no Hoare annotation was computed. [2021-10-28 22:50:23,804 INFO L857 garLoopResultBuilder]: For program point L254-5(lines 254 258) no Hoare annotation was computed. [2021-10-28 22:50:23,806 INFO L857 garLoopResultBuilder]: For program point L254-6(lines 254 258) no Hoare annotation was computed. [2021-10-28 22:50:23,806 INFO L857 garLoopResultBuilder]: For program point L254-8(lines 254 258) no Hoare annotation was computed. [2021-10-28 22:50:23,806 INFO L853 garLoopResultBuilder]: At program point L205(lines 200 208) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (or .cse1 (<= ~waterLevel~0 1))) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~6 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ~pumpRunning~0 0) .cse7 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse4) (and .cse0 .cse7 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 .cse4 .cse5 .cse6)))) [2021-10-28 22:50:23,806 INFO L853 garLoopResultBuilder]: At program point L717(lines 666 718) the Hoare annotation is: false [2021-10-28 22:50:23,807 INFO L853 garLoopResultBuilder]: At program point L205-1(lines 200 208) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)))) [2021-10-28 22:50:23,807 INFO L853 garLoopResultBuilder]: At program point L205-2(lines 200 208) the Hoare annotation is: false [2021-10-28 22:50:23,807 INFO L853 garLoopResultBuilder]: At program point L205-3(lines 200 208) the Hoare annotation is: false [2021-10-28 22:50:23,807 INFO L853 garLoopResultBuilder]: At program point L205-4(lines 200 208) the Hoare annotation is: false [2021-10-28 22:50:23,807 INFO L853 garLoopResultBuilder]: At program point L205-5(lines 200 208) the Hoare annotation is: false [2021-10-28 22:50:23,808 INFO L857 garLoopResultBuilder]: For program point L668(lines 667 716) no Hoare annotation was computed. [2021-10-28 22:50:23,808 INFO L857 garLoopResultBuilder]: For program point L156(lines 156 164) no Hoare annotation was computed. [2021-10-28 22:50:23,808 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 156 164) no Hoare annotation was computed. [2021-10-28 22:50:23,808 INFO L857 garLoopResultBuilder]: For program point L156-2(lines 156 164) no Hoare annotation was computed. [2021-10-28 22:50:23,808 INFO L853 garLoopResultBuilder]: At program point L949(lines 944 952) the Hoare annotation is: (let ((.cse5 (= 2 ~waterLevel~0))) (let ((.cse7 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (or .cse5 (<= ~waterLevel~0 1))) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~6 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3 .cse4) (and .cse0 .cse5 (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse3 .cse4 .cse6 .cse7) (and .cse0 .cse2 (= ~switchedOnBeforeTS~0 1) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 (= ULTIMATE.start_processEnvironment_~tmp~0 0))))) [2021-10-28 22:50:23,809 INFO L853 garLoopResultBuilder]: At program point L949-1(lines 944 952) the Hoare annotation is: false [2021-10-28 22:50:23,809 INFO L853 garLoopResultBuilder]: At program point L949-2(lines 944 952) the Hoare annotation is: false [2021-10-28 22:50:23,809 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 22:50:23,809 INFO L857 garLoopResultBuilder]: For program point L669(lines 669 673) no Hoare annotation was computed. [2021-10-28 22:50:23,809 INFO L853 garLoopResultBuilder]: At program point L785(lines 781 787) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~6 1) (not (= 0 ~systemActive~0))) [2021-10-28 22:50:23,810 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 966) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-28 22:50:23,810 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-28 22:50:23,810 INFO L857 garLoopResultBuilder]: For program point L92-1(line 92) no Hoare annotation was computed. [2021-10-28 22:50:23,810 INFO L857 garLoopResultBuilder]: For program point L92-2(line 92) no Hoare annotation was computed. [2021-10-28 22:50:23,811 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2021-10-28 22:50:23,811 INFO L857 garLoopResultBuilder]: For program point L852(lines 852 869) no Hoare annotation was computed. [2021-10-28 22:50:23,811 INFO L853 garLoopResultBuilder]: At program point L852-1(lines 1 966) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse6 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (or .cse1 (<= ~waterLevel~0 1))) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2) (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse7 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3) (and .cse0 .cse7 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4 .cse5)))) [2021-10-28 22:50:23,811 INFO L860 garLoopResultBuilder]: At program point L819(lines 800 822) the Hoare annotation is: true [2021-10-28 22:50:23,812 INFO L857 garLoopResultBuilder]: For program point L852-2(lines 852 869) no Hoare annotation was computed. [2021-10-28 22:50:23,812 INFO L853 garLoopResultBuilder]: At program point L852-3(lines 1 966) the Hoare annotation is: false [2021-10-28 22:50:23,812 INFO L857 garLoopResultBuilder]: For program point L852-4(lines 852 869) no Hoare annotation was computed. [2021-10-28 22:50:23,812 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 693) no Hoare annotation was computed. [2021-10-28 22:50:23,813 INFO L853 garLoopResultBuilder]: At program point L852-5(lines 1 966) the Hoare annotation is: false [2021-10-28 22:50:23,813 INFO L853 garLoopResultBuilder]: At program point L687-1(lines 687 693) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse6 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (or .cse1 (<= ~waterLevel~0 1))) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse7 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3) (and .cse0 .cse7 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4 .cse5)))) [2021-10-28 22:50:23,813 INFO L853 garLoopResultBuilder]: At program point L737-2(lines 737 751) the Hoare annotation is: false [2021-10-28 22:50:23,813 INFO L857 garLoopResultBuilder]: For program point L738(line 738) no Hoare annotation was computed. [2021-10-28 22:50:23,815 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 711) no Hoare annotation was computed. [2021-10-28 22:50:23,816 INFO L853 garLoopResultBuilder]: At program point L705-1(lines 1 966) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (or .cse1 (<= ~waterLevel~0 1))) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ~pumpRunning~0 0) .cse6 .cse2 .cse3) (and .cse0 .cse6 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4 .cse5)))) [2021-10-28 22:50:23,816 INFO L853 garLoopResultBuilder]: At program point L127(lines 127 133) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (or .cse1 (<= ~waterLevel~0 1))) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3) (and .cse0 .cse7 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse2 .cse3 .cse4 (= ULTIMATE.start_processEnvironment_~tmp~0 0))))) [2021-10-28 22:50:23,818 INFO L853 garLoopResultBuilder]: At program point L127-1(lines 127 133) the Hoare annotation is: false [2021-10-28 22:50:23,818 INFO L853 garLoopResultBuilder]: At program point L127-2(lines 127 133) the Hoare annotation is: false [2021-10-28 22:50:23,819 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 22:50:23,819 INFO L857 garLoopResultBuilder]: For program point L904(lines 904 908) no Hoare annotation was computed. [2021-10-28 22:50:23,819 INFO L853 garLoopResultBuilder]: At program point L260(lines 245 263) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~6 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 22:50:23,820 INFO L853 garLoopResultBuilder]: At program point L260-1(lines 245 263) the Hoare annotation is: false [2021-10-28 22:50:23,820 INFO L853 garLoopResultBuilder]: At program point L260-2(lines 245 263) the Hoare annotation is: false [2021-10-28 22:50:23,820 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 866) no Hoare annotation was computed. [2021-10-28 22:50:23,820 INFO L857 garLoopResultBuilder]: For program point L856-2(lines 856 866) no Hoare annotation was computed. [2021-10-28 22:50:23,821 INFO L857 garLoopResultBuilder]: For program point L856-4(lines 856 866) no Hoare annotation was computed. [2021-10-28 22:50:23,821 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 745) no Hoare annotation was computed. [2021-10-28 22:50:23,821 INFO L857 garLoopResultBuilder]: For program point L741-1(lines 741 745) no Hoare annotation was computed. [2021-10-28 22:50:23,821 INFO L857 garLoopResultBuilder]: For program point L857(lines 857 863) no Hoare annotation was computed. [2021-10-28 22:50:23,821 INFO L857 garLoopResultBuilder]: For program point L857-2(lines 857 863) no Hoare annotation was computed. [2021-10-28 22:50:23,821 INFO L857 garLoopResultBuilder]: For program point L857-4(lines 857 863) no Hoare annotation was computed. [2021-10-28 22:50:23,822 INFO L853 garLoopResultBuilder]: At program point L841(lines 120 126) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)))) [2021-10-28 22:50:23,822 INFO L853 garLoopResultBuilder]: At program point L841-1(lines 120 126) the Hoare annotation is: false [2021-10-28 22:50:23,822 INFO L853 garLoopResultBuilder]: At program point L841-2(lines 120 126) the Hoare annotation is: false [2021-10-28 22:50:23,822 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 22:50:23,823 INFO L857 garLoopResultBuilder]: For program point L957(lines 957 963) no Hoare annotation was computed. [2021-10-28 22:50:23,823 INFO L857 garLoopResultBuilder]: For program point L957-1(lines 957 963) no Hoare annotation was computed. [2021-10-28 22:50:23,824 INFO L857 garLoopResultBuilder]: For program point L957-2(lines 957 963) no Hoare annotation was computed. [2021-10-28 22:50:23,824 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2021-10-28 22:50:23,824 INFO L857 garLoopResultBuilder]: For program point L677(lines 677 683) no Hoare annotation was computed. [2021-10-28 22:50:23,824 INFO L853 garLoopResultBuilder]: At program point L677-1(lines 677 683) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse6 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (or .cse1 (<= ~waterLevel~0 1))) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse7 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3) (and .cse0 .cse7 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4 .cse5)))) [2021-10-28 22:50:23,825 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 896) no Hoare annotation was computed. [2021-10-28 22:50:23,825 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-28 22:50:23,825 INFO L857 garLoopResultBuilder]: For program point L810(lines 810 817) no Hoare annotation was computed. [2021-10-28 22:50:23,825 INFO L860 garLoopResultBuilder]: At program point L810-1(lines 810 817) the Hoare annotation is: true [2021-10-28 22:50:23,828 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:50:23,831 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:50:23,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:50:23 BoogieIcfgContainer [2021-10-28 22:50:23,876 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:50:23,876 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:50:23,876 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:50:23,877 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:50:23,877 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:50:17" (3/4) ... [2021-10-28 22:50:23,880 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 22:50:23,906 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 22:50:23,907 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 22:50:23,908 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 22:50:23,908 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 22:50:23,909 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 22:50:23,910 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:50:23,911 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:50:23,940 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-28 22:50:23,940 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) [2021-10-28 22:50:23,940 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) [2021-10-28 22:50:23,941 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && 2 == waterLevel) && tmp == 2) && \result == 2) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 22:50:23,942 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 22:50:23,942 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 22:50:23,943 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 22:50:23,944 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && \result == 1) && tmp == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && \result == 1) && tmp == 1) [2021-10-28 22:50:23,944 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && 2 == waterLevel) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 22:50:23,945 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 22:50:23,945 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 22:50:23,945 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1) && !(0 == systemActive)) && tmp == 0) [2021-10-28 22:50:23,947 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1) || ((((((splverifierCounter == 0 && 2 == waterLevel) && \result == 2) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1) && !(0 == systemActive)) && tmp == 0) [2021-10-28 22:50:23,948 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-10-28 22:50:23,948 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-28 22:50:23,949 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && \result == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-10-28 22:50:24,003 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c2974c-86bc-4a71-98c9-dbe778a8223b/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 22:50:24,003 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:50:24,005 INFO L168 Benchmark]: Toolchain (without parser) took 8419.40 ms. Allocated memory was 98.6 MB in the beginning and 144.7 MB in the end (delta: 46.1 MB). Free memory was 65.6 MB in the beginning and 61.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 51.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:50:24,005 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory is still 53.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:50:24,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.64 ms. Allocated memory is still 98.6 MB. Free memory was 65.5 MB in the beginning and 64.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:50:24,007 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.26 ms. Allocated memory is still 98.6 MB. Free memory was 64.3 MB in the beginning and 61.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:50:24,007 INFO L168 Benchmark]: Boogie Preprocessor took 84.45 ms. Allocated memory is still 98.6 MB. Free memory was 61.1 MB in the beginning and 59.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:50:24,007 INFO L168 Benchmark]: RCFGBuilder took 1103.29 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 58.7 MB in the beginning and 67.4 MB in the end (delta: -8.7 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:50:24,008 INFO L168 Benchmark]: TraceAbstraction took 6390.63 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 66.9 MB in the beginning and 68.8 MB in the end (delta: -1.9 MB). Peak memory consumption was 49.8 MB. Max. memory is 16.1 GB. [2021-10-28 22:50:24,008 INFO L168 Benchmark]: Witness Printer took 127.27 ms. Allocated memory is still 144.7 MB. Free memory was 68.8 MB in the beginning and 61.5 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:50:24,010 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory is still 53.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 595.64 ms. Allocated memory is still 98.6 MB. Free memory was 65.5 MB in the beginning and 64.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.26 ms. Allocated memory is still 98.6 MB. Free memory was 64.3 MB in the beginning and 61.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.45 ms. Allocated memory is still 98.6 MB. Free memory was 61.1 MB in the beginning and 59.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1103.29 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 58.7 MB in the beginning and 67.4 MB in the end (delta: -8.7 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6390.63 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 66.9 MB in the beginning and 68.8 MB in the end (delta: -1.9 MB). Peak memory consumption was 49.8 MB. Max. memory is 16.1 GB. * Witness Printer took 127.27 ms. Allocated memory is still 144.7 MB. Free memory was 68.8 MB in the beginning and 61.5 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 92]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 92]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 92]: 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, 89 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 838 SDtfs, 1134 SDslu, 1216 SDs, 0 SdLazy, 208 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred in iteration=9, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 560 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 150 NumberOfFragments, 1044 HoareAnnotationTreeSize, 39 FomulaSimplifications, 46314 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 39 FomulaSimplificationsInter, 13702 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 695 SizeOfPredicates, 3 NumberOfNonLiveVariables, 423 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: 268]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && \result == 1) && tmp == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && \result == 1) && tmp == 1) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && 2 == waterLevel) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1) || ((((((splverifierCounter == 0 && 2 == waterLevel) && \result == 2) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1) && !(0 == systemActive)) && tmp == 0) - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && 2 == waterLevel) && tmp == 2) && \result == 2) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1) && !(0 == systemActive)) && tmp == 0) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && \result == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) RESULT: Ultimate proved your program to be correct! [2021-10-28 22:50:24,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33c2974c-86bc-4a71-98c9-dbe778a8223b/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...