./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd00450a-2c50-41a3-8377-3a42aa56241b/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd00450a-2c50-41a3-8377-3a42aa56241b/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd00450a-2c50-41a3-8377-3a42aa56241b/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd00450a-2c50-41a3-8377-3a42aa56241b/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd00450a-2c50-41a3-8377-3a42aa56241b/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd00450a-2c50-41a3-8377-3a42aa56241b/bin/uautomizer-Z5i5R5N3CC --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 06ca64a9844062fbd8b3f38a9d7c4dbef978677b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:23:16,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:23:16,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:23:16,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:23:16,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:23:16,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:23:16,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:23:16,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:23:16,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:23:16,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:23:16,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:23:16,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:23:16,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:23:16,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:23:16,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:23:16,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:23:16,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:23:16,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:23:16,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:23:16,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:23:16,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:23:16,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:23:16,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:23:16,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:23:16,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:23:16,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:23:16,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:23:16,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:23:16,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:23:16,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:23:16,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:23:16,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:23:16,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:23:16,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:23:16,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:23:16,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:23:16,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:23:16,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:23:16,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:23:16,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:23:16,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:23:16,284 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd00450a-2c50-41a3-8377-3a42aa56241b/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:23:16,328 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:23:16,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:23:16,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:23:16,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:23:16,331 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:23:16,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:23:16,332 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:23:16,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:23:16,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:23:16,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:23:16,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:23:16,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:23:16,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:23:16,335 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:23:16,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:23:16,335 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:23:16,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:23:16,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:23:16,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:23:16,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:23:16,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:23:16,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:23:16,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:23:16,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:23:16,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:23:16,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:23:16,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:23:16,338 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:23:16,339 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_cd00450a-2c50-41a3-8377-3a42aa56241b/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd00450a-2c50-41a3-8377-3a42aa56241b/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06ca64a9844062fbd8b3f38a9d7c4dbef978677b [2021-10-11 00:23:16,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:23:16,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:23:16,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:23:16,752 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:23:16,754 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:23:16,756 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd00450a-2c50-41a3-8377-3a42aa56241b/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c [2021-10-11 00:23:16,848 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd00450a-2c50-41a3-8377-3a42aa56241b/bin/uautomizer-Z5i5R5N3CC/data/97c7f7526/d0c8178c410e4ae79d00c288831642c3/FLAG106907e26 [2021-10-11 00:23:17,449 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:23:17,450 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd00450a-2c50-41a3-8377-3a42aa56241b/sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c [2021-10-11 00:23:17,470 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd00450a-2c50-41a3-8377-3a42aa56241b/bin/uautomizer-Z5i5R5N3CC/data/97c7f7526/d0c8178c410e4ae79d00c288831642c3/FLAG106907e26 [2021-10-11 00:23:17,730 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd00450a-2c50-41a3-8377-3a42aa56241b/bin/uautomizer-Z5i5R5N3CC/data/97c7f7526/d0c8178c410e4ae79d00c288831642c3 [2021-10-11 00:23:17,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:23:17,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:23:17,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:23:17,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:23:17,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:23:17,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:23:17" (1/1) ... [2021-10-11 00:23:17,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@756dd6f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:17, skipping insertion in model container [2021-10-11 00:23:17,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:23:17" (1/1) ... [2021-10-11 00:23:17,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:23:17,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:23:18,079 WARN L226 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_cd00450a-2c50-41a3-8377-3a42aa56241b/sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c[13408,13421] [2021-10-11 00:23:18,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:23:18,143 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:23:18,237 WARN L226 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_cd00450a-2c50-41a3-8377-3a42aa56241b/sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c[13408,13421] [2021-10-11 00:23:18,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:23:18,298 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:23:18,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:18 WrapperNode [2021-10-11 00:23:18,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:23:18,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:23:18,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:23:18,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:23:18,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:18" (1/1) ... [2021-10-11 00:23:18,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:18" (1/1) ... [2021-10-11 00:23:18,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:23:18,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:23:18,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:23:18,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:23:18,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:18" (1/1) ... [2021-10-11 00:23:18,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:18" (1/1) ... [2021-10-11 00:23:18,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:18" (1/1) ... [2021-10-11 00:23:18,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:18" (1/1) ... [2021-10-11 00:23:18,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:18" (1/1) ... [2021-10-11 00:23:18,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:18" (1/1) ... [2021-10-11 00:23:18,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:18" (1/1) ... [2021-10-11 00:23:18,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:23:18,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:23:18,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:23:18,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:23:18,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:18" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd00450a-2c50-41a3-8377-3a42aa56241b/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:23:18,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:23:18,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:23:18,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:23:18,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:23:19,747 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:23:19,748 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-10-11 00:23:19,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:23:19 BoogieIcfgContainer [2021-10-11 00:23:19,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:23:19,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:23:19,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:23:19,759 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:23:19,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:23:17" (1/3) ... [2021-10-11 00:23:19,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a9e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:23:19, skipping insertion in model container [2021-10-11 00:23:19,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:18" (2/3) ... [2021-10-11 00:23:19,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a9e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:23:19, skipping insertion in model container [2021-10-11 00:23:19,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:23:19" (3/3) ... [2021-10-11 00:23:19,764 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product29.cil.c [2021-10-11 00:23:19,779 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:23:19,783 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:23:19,795 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:23:19,839 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:23:19,840 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:23:19,840 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:23:19,840 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:23:19,840 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:23:19,841 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:23:19,841 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:23:19,841 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:23:19,858 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2021-10-11 00:23:19,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:23:19,864 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:19,865 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:19,865 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:19,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:19,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1669144853, now seen corresponding path program 1 times [2021-10-11 00:23:19,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:19,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330662940] [2021-10-11 00:23:19,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:20,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:20,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330662940] [2021-10-11 00:23:20,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:20,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:23:20,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571010703] [2021-10-11 00:23:20,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:23:20,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:20,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:23:20,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:23:20,219 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2021-10-11 00:23:20,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:20,260 INFO L93 Difference]: Finished difference Result 216 states and 323 transitions. [2021-10-11 00:23:20,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:23:20,261 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 00:23:20,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:20,274 INFO L225 Difference]: With dead ends: 216 [2021-10-11 00:23:20,274 INFO L226 Difference]: Without dead ends: 107 [2021-10-11 00:23:20,278 INFO L677 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 [2021-10-11 00:23:20,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-11 00:23:20,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-10-11 00:23:20,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2021-10-11 00:23:20,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 153 transitions. [2021-10-11 00:23:20,330 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 153 transitions. Word has length 18 [2021-10-11 00:23:20,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:20,331 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 153 transitions. [2021-10-11 00:23:20,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:23:20,331 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 153 transitions. [2021-10-11 00:23:20,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:23:20,333 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:20,333 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:20,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:23:20,334 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:20,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:20,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1714791690, now seen corresponding path program 1 times [2021-10-11 00:23:20,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:20,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061376135] [2021-10-11 00:23:20,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:20,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:20,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061376135] [2021-10-11 00:23:20,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:20,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:23:20,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179891088] [2021-10-11 00:23:20,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:23:20,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:20,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:23:20,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:23:20,500 INFO L87 Difference]: Start difference. First operand 107 states and 153 transitions. Second operand 3 states. [2021-10-11 00:23:20,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:20,527 INFO L93 Difference]: Finished difference Result 107 states and 153 transitions. [2021-10-11 00:23:20,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:23:20,528 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 00:23:20,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:20,532 INFO L225 Difference]: With dead ends: 107 [2021-10-11 00:23:20,532 INFO L226 Difference]: Without dead ends: 45 [2021-10-11 00:23:20,534 INFO L677 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 [2021-10-11 00:23:20,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-11 00:23:20,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-11 00:23:20,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-10-11 00:23:20,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2021-10-11 00:23:20,548 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2021-10-11 00:23:20,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:20,548 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-10-11 00:23:20,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:23:20,548 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-10-11 00:23:20,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:23:20,549 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:20,550 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:20,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:23:20,550 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:20,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:20,551 INFO L82 PathProgramCache]: Analyzing trace with hash -458606052, now seen corresponding path program 1 times [2021-10-11 00:23:20,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:20,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239103144] [2021-10-11 00:23:20,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:20,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:20,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239103144] [2021-10-11 00:23:20,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:20,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:23:20,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820055807] [2021-10-11 00:23:20,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:23:20,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:20,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:23:20,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:23:20,721 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 6 states. [2021-10-11 00:23:20,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:20,945 INFO L93 Difference]: Finished difference Result 84 states and 122 transitions. [2021-10-11 00:23:20,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:23:20,946 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2021-10-11 00:23:20,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:20,948 INFO L225 Difference]: With dead ends: 84 [2021-10-11 00:23:20,952 INFO L226 Difference]: Without dead ends: 45 [2021-10-11 00:23:20,953 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:23:20,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-11 00:23:20,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-11 00:23:20,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-10-11 00:23:20,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2021-10-11 00:23:20,965 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2021-10-11 00:23:20,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:20,966 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2021-10-11 00:23:20,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:23:20,967 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2021-10-11 00:23:20,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:23:20,969 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:20,970 INFO L422 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] [2021-10-11 00:23:20,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:23:20,970 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:20,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:20,971 INFO L82 PathProgramCache]: Analyzing trace with hash 708469066, now seen corresponding path program 1 times [2021-10-11 00:23:20,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:20,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007319246] [2021-10-11 00:23:20,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:21,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:21,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007319246] [2021-10-11 00:23:21,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:21,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:23:21,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043268733] [2021-10-11 00:23:21,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:23:21,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:21,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:23:21,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:23:21,095 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand 5 states. [2021-10-11 00:23:21,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:21,304 INFO L93 Difference]: Finished difference Result 242 states and 360 transitions. [2021-10-11 00:23:21,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:23:21,304 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-10-11 00:23:21,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:21,307 INFO L225 Difference]: With dead ends: 242 [2021-10-11 00:23:21,307 INFO L226 Difference]: Without dead ends: 203 [2021-10-11 00:23:21,309 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:23:21,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2021-10-11 00:23:21,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 80. [2021-10-11 00:23:21,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2021-10-11 00:23:21,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 113 transitions. [2021-10-11 00:23:21,344 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 113 transitions. Word has length 26 [2021-10-11 00:23:21,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:21,345 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 113 transitions. [2021-10-11 00:23:21,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:23:21,345 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 113 transitions. [2021-10-11 00:23:21,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 00:23:21,349 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:21,349 INFO L422 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] [2021-10-11 00:23:21,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:23:21,349 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:21,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:21,350 INFO L82 PathProgramCache]: Analyzing trace with hash 99432520, now seen corresponding path program 1 times [2021-10-11 00:23:21,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:21,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468505] [2021-10-11 00:23:21,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:23:21,463 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:23:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:23:21,556 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:23:21,602 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:23:21,603 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 00:23:21,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:23:21,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:23:21 BoogieIcfgContainer [2021-10-11 00:23:21,729 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:23:21,730 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:23:21,730 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:23:21,731 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:23:21,731 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:23:19" (3/4) ... [2021-10-11 00:23:21,734 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 00:23:21,827 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd00450a-2c50-41a3-8377-3a42aa56241b/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:23:21,828 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:23:21,830 INFO L168 Benchmark]: Toolchain (without parser) took 4095.30 ms. Allocated memory was 77.6 MB in the beginning and 125.8 MB in the end (delta: 48.2 MB). Free memory was 37.9 MB in the beginning and 70.2 MB in the end (delta: -32.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:21,831 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 77.6 MB. Free memory was 55.4 MB in the beginning and 55.4 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:23:21,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.05 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 37.7 MB in the beginning and 66.6 MB in the end (delta: -28.9 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:21,832 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.62 ms. Allocated memory is still 104.9 MB. Free memory was 66.6 MB in the beginning and 62.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:21,833 INFO L168 Benchmark]: Boogie Preprocessor took 48.68 ms. Allocated memory is still 104.9 MB. Free memory was 62.8 MB in the beginning and 60.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:21,833 INFO L168 Benchmark]: RCFGBuilder took 1276.90 ms. Allocated memory is still 104.9 MB. Free memory was 60.3 MB in the beginning and 78.8 MB in the end (delta: -18.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:21,834 INFO L168 Benchmark]: TraceAbstraction took 1976.39 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 78.2 MB in the beginning and 81.7 MB in the end (delta: -3.5 MB). Peak memory consumption was 48.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:21,835 INFO L168 Benchmark]: Witness Printer took 97.92 ms. Allocated memory is still 125.8 MB. Free memory was 81.7 MB in the beginning and 70.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:21,838 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 77.6 MB. Free memory was 55.4 MB in the beginning and 55.4 MB in the end (delta: 41.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 565.05 ms. Allocated memory was 77.6 MB in the beginning and 104.9 MB in the end (delta: 27.3 MB). Free memory was 37.7 MB in the beginning and 66.6 MB in the end (delta: -28.9 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 117.62 ms. Allocated memory is still 104.9 MB. Free memory was 66.6 MB in the beginning and 62.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.68 ms. Allocated memory is still 104.9 MB. Free memory was 62.8 MB in the beginning and 60.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1276.90 ms. Allocated memory is still 104.9 MB. Free memory was 60.3 MB in the beginning and 78.8 MB in the end (delta: -18.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1976.39 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 78.2 MB in the beginning and 81.7 MB in the end (delta: -3.5 MB). Peak memory consumption was 48.9 MB. Max. memory is 16.1 GB. * Witness Printer took 97.92 ms. Allocated memory is still 125.8 MB. Free memory was 81.7 MB in the beginning and 70.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 582]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L85] int waterLevel = 1; [L86] int methaneLevelCritical = 0; [L343] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L587] int cleanupTimeShifts = 4; [L688] int pumpRunning = 0; [L689] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L663] int retValue_acc ; [L664] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L569] int retValue_acc ; [L572] retValue_acc = 1 [L573] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L670] tmp = valid_product() [L672] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L884] int splverifierCounter ; [L885] int tmp ; [L886] int tmp___0 ; [L887] int tmp___1 ; [L888] int tmp___2 ; [L891] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L893] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L895] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L901] tmp = __VERIFIER_nondet_int() [L903] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L103] COND TRUE waterLevel < 2 [L104] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L911] tmp___0 = __VERIFIER_nondet_int() [L913] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L921] tmp___2 = __VERIFIER_nondet_int() [L923] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L695] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L702] COND TRUE \read(systemActive) [L750] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L753] COND FALSE !(\read(pumpRunning)) [L724] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L727] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L124] int retValue_acc ; [L127] retValue_acc = methaneLevelCritical [L128] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L53] tmp = isMethaneLevelCritical() [L55] COND FALSE !(\read(tmp)) [L156] int retValue_acc ; [L159] retValue_acc = waterLevel [L160] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L59] tmp___0 = getWaterLevel() [L61] COND TRUE tmp___0 == 2 [L819] int retValue_acc ; [L822] retValue_acc = pumpRunning [L823] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L63] tmp___1 = isPumpRunning() [L65] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L582] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 382 SDtfs, 533 SDslu, 255 SDs, 0 SdLazy, 55 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 123 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 3882 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate proved your program to be incorrect! Received shutdown request...