./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product34.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_db738889-ded3-49b7-b354-887cac592288/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db738889-ded3-49b7-b354-887cac592288/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_db738889-ded3-49b7-b354-887cac592288/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db738889-ded3-49b7-b354-887cac592288/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db738889-ded3-49b7-b354-887cac592288/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_db738889-ded3-49b7-b354-887cac592288/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 b803903b6771bf10a60266d9698f7c6b6489f5c7 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:20:10,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:20:10,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:20:10,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:20:10,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:20:10,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:20:10,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:20:10,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:20:10,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:20:10,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:20:10,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:20:10,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:20:10,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:20:10,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:20:10,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:20:10,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:20:10,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:20:10,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:20:10,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:20:10,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:20:10,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:20:10,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:20:10,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:20:10,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:20:10,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:20:10,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:20:10,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:20:10,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:20:10,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:20:10,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:20:10,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:20:10,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:20:10,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:20:10,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:20:10,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:20:10,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:20:10,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:20:10,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:20:10,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:20:10,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:20:10,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:20:10,332 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db738889-ded3-49b7-b354-887cac592288/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:20:10,374 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:20:10,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:20:10,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:20:10,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:20:10,377 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:20:10,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:20:10,378 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:20:10,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:20:10,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:20:10,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:20:10,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:20:10,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:20:10,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:20:10,381 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:20:10,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:20:10,381 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:20:10,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:20:10,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:20:10,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:20:10,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:20:10,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:20:10,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:20:10,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:20:10,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:20:10,384 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:20:10,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:20:10,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:20:10,385 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:20:10,385 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_db738889-ded3-49b7-b354-887cac592288/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db738889-ded3-49b7-b354-887cac592288/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b803903b6771bf10a60266d9698f7c6b6489f5c7 [2021-10-11 00:20:10,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:20:10,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:20:10,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:20:10,742 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:20:10,744 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:20:10,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db738889-ded3-49b7-b354-887cac592288/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2021-10-11 00:20:10,825 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db738889-ded3-49b7-b354-887cac592288/bin/uautomizer-Z5i5R5N3CC/data/68dddeac5/f1a0b65dee8f437eaf1ee091fa2594de/FLAG7332e7ced [2021-10-11 00:20:11,439 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:20:11,439 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db738889-ded3-49b7-b354-887cac592288/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2021-10-11 00:20:11,453 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db738889-ded3-49b7-b354-887cac592288/bin/uautomizer-Z5i5R5N3CC/data/68dddeac5/f1a0b65dee8f437eaf1ee091fa2594de/FLAG7332e7ced [2021-10-11 00:20:11,733 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db738889-ded3-49b7-b354-887cac592288/bin/uautomizer-Z5i5R5N3CC/data/68dddeac5/f1a0b65dee8f437eaf1ee091fa2594de [2021-10-11 00:20:11,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:20:11,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:20:11,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:11,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:20:11,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:20:11,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:11" (1/1) ... [2021-10-11 00:20:11,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e02077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:11, skipping insertion in model container [2021-10-11 00:20:11,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:11" (1/1) ... [2021-10-11 00:20:11,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:20:11,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:20:12,165 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_db738889-ded3-49b7-b354-887cac592288/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c[15847,15860] [2021-10-11 00:20:12,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:12,188 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:20:12,252 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_db738889-ded3-49b7-b354-887cac592288/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c[15847,15860] [2021-10-11 00:20:12,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:12,310 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:20:12,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12 WrapperNode [2021-10-11 00:20:12,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:12,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:12,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:20:12,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:20:12,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12" (1/1) ... [2021-10-11 00:20:12,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12" (1/1) ... [2021-10-11 00:20:12,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:12,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:20:12,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:20:12,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:20:12,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12" (1/1) ... [2021-10-11 00:20:12,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12" (1/1) ... [2021-10-11 00:20:12,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12" (1/1) ... [2021-10-11 00:20:12,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12" (1/1) ... [2021-10-11 00:20:12,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12" (1/1) ... [2021-10-11 00:20:12,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12" (1/1) ... [2021-10-11 00:20:12,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12" (1/1) ... [2021-10-11 00:20:12,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:20:12,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:20:12,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:20:12,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:20:12,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db738889-ded3-49b7-b354-887cac592288/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 00:20:12,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:20:12,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:20:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:20:12,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:20:13,534 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:20:13,535 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-10-11 00:20:13,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:13 BoogieIcfgContainer [2021-10-11 00:20:13,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:20:13,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:20:13,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:20:13,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:20:13,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:20:11" (1/3) ... [2021-10-11 00:20:13,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b00688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:20:13, skipping insertion in model container [2021-10-11 00:20:13,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:12" (2/3) ... [2021-10-11 00:20:13,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b00688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:20:13, skipping insertion in model container [2021-10-11 00:20:13,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:13" (3/3) ... [2021-10-11 00:20:13,564 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product34.cil.c [2021-10-11 00:20:13,591 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:20:13,597 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:20:13,625 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:20:13,660 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:20:13,660 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:20:13,660 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:20:13,660 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:20:13,660 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:20:13,660 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:20:13,661 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:20:13,661 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:20:13,677 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2021-10-11 00:20:13,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:20:13,683 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:13,684 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 00:20:13,684 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:13,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:13,690 INFO L82 PathProgramCache]: Analyzing trace with hash 143052540, now seen corresponding path program 1 times [2021-10-11 00:20:13,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:13,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447247054] [2021-10-11 00:20:13,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:13,930 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 00:20:13,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447247054] [2021-10-11 00:20:13,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:13,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:20:13,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015784149] [2021-10-11 00:20:13,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:20:13,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:13,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:20:13,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:20:13,952 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 2 states. [2021-10-11 00:20:13,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:13,978 INFO L93 Difference]: Finished difference Result 162 states and 245 transitions. [2021-10-11 00:20:13,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:20:13,980 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 00:20:13,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:13,990 INFO L225 Difference]: With dead ends: 162 [2021-10-11 00:20:13,990 INFO L226 Difference]: Without dead ends: 80 [2021-10-11 00:20:13,993 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 00:20:14,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-11 00:20:14,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-10-11 00:20:14,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2021-10-11 00:20:14,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 114 transitions. [2021-10-11 00:20:14,055 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 114 transitions. Word has length 18 [2021-10-11 00:20:14,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:14,056 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 114 transitions. [2021-10-11 00:20:14,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:20:14,057 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2021-10-11 00:20:14,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:20:14,058 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:14,058 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 00:20:14,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:20:14,059 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:14,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:14,062 INFO L82 PathProgramCache]: Analyzing trace with hash -767978213, now seen corresponding path program 1 times [2021-10-11 00:20:14,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:14,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850898014] [2021-10-11 00:20:14,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:14,258 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 00:20:14,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850898014] [2021-10-11 00:20:14,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:14,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:20:14,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440393019] [2021-10-11 00:20:14,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:20:14,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:14,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:20:14,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:20:14,262 INFO L87 Difference]: Start difference. First operand 80 states and 114 transitions. Second operand 3 states. [2021-10-11 00:20:14,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:14,280 INFO L93 Difference]: Finished difference Result 80 states and 114 transitions. [2021-10-11 00:20:14,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:20:14,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 00:20:14,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:14,285 INFO L225 Difference]: With dead ends: 80 [2021-10-11 00:20:14,285 INFO L226 Difference]: Without dead ends: 36 [2021-10-11 00:20:14,286 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 00:20:14,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-10-11 00:20:14,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-10-11 00:20:14,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-10-11 00:20:14,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 51 transitions. [2021-10-11 00:20:14,295 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 51 transitions. Word has length 19 [2021-10-11 00:20:14,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:14,295 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 51 transitions. [2021-10-11 00:20:14,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:20:14,296 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2021-10-11 00:20:14,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:20:14,300 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:14,300 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 00:20:14,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:20:14,301 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:14,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:14,304 INFO L82 PathProgramCache]: Analyzing trace with hash 459341460, now seen corresponding path program 1 times [2021-10-11 00:20:14,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:14,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948801433] [2021-10-11 00:20:14,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:14,426 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 00:20:14,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948801433] [2021-10-11 00:20:14,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:14,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:20:14,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237622345] [2021-10-11 00:20:14,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:20:14,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:14,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:20:14,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:20:14,434 INFO L87 Difference]: Start difference. First operand 36 states and 51 transitions. Second operand 3 states. [2021-10-11 00:20:14,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:14,476 INFO L93 Difference]: Finished difference Result 66 states and 96 transitions. [2021-10-11 00:20:14,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:20:14,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 00:20:14,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:14,480 INFO L225 Difference]: With dead ends: 66 [2021-10-11 00:20:14,480 INFO L226 Difference]: Without dead ends: 36 [2021-10-11 00:20:14,481 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 00:20:14,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-10-11 00:20:14,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-10-11 00:20:14,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-10-11 00:20:14,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 50 transitions. [2021-10-11 00:20:14,490 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 50 transitions. Word has length 24 [2021-10-11 00:20:14,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:14,491 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 50 transitions. [2021-10-11 00:20:14,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:20:14,491 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2021-10-11 00:20:14,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 00:20:14,492 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:14,492 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] [2021-10-11 00:20:14,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:20:14,492 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:14,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:14,493 INFO L82 PathProgramCache]: Analyzing trace with hash -179810352, now seen corresponding path program 1 times [2021-10-11 00:20:14,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:14,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737795232] [2021-10-11 00:20:14,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:14,597 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 00:20:14,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737795232] [2021-10-11 00:20:14,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:14,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:20:14,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812363736] [2021-10-11 00:20:14,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:20:14,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:14,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:20:14,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:20:14,602 INFO L87 Difference]: Start difference. First operand 36 states and 50 transitions. Second operand 3 states. [2021-10-11 00:20:14,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:14,642 INFO L93 Difference]: Finished difference Result 89 states and 127 transitions. [2021-10-11 00:20:14,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:20:14,642 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2021-10-11 00:20:14,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:14,644 INFO L225 Difference]: With dead ends: 89 [2021-10-11 00:20:14,644 INFO L226 Difference]: Without dead ends: 59 [2021-10-11 00:20:14,645 INFO L677 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 [2021-10-11 00:20:14,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-10-11 00:20:14,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2021-10-11 00:20:14,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2021-10-11 00:20:14,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2021-10-11 00:20:14,652 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 25 [2021-10-11 00:20:14,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:14,652 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2021-10-11 00:20:14,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:20:14,653 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2021-10-11 00:20:14,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 00:20:14,655 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:14,655 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, 1, 1, 1, 1] [2021-10-11 00:20:14,655 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:20:14,655 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:14,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:14,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1667839457, now seen corresponding path program 1 times [2021-10-11 00:20:14,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:14,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512085683] [2021-10-11 00:20:14,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:14,753 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 00:20:14,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512085683] [2021-10-11 00:20:14,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:14,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:20:14,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527150661] [2021-10-11 00:20:14,755 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:20:14,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:14,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:20:14,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:20:14,756 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand 5 states. [2021-10-11 00:20:14,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:14,803 INFO L93 Difference]: Finished difference Result 149 states and 209 transitions. [2021-10-11 00:20:14,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:20:14,803 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-10-11 00:20:14,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:14,805 INFO L225 Difference]: With dead ends: 149 [2021-10-11 00:20:14,805 INFO L226 Difference]: Without dead ends: 98 [2021-10-11 00:20:14,806 INFO L677 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 [2021-10-11 00:20:14,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-10-11 00:20:14,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 60. [2021-10-11 00:20:14,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-10-11 00:20:14,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2021-10-11 00:20:14,815 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 31 [2021-10-11 00:20:14,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:14,815 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2021-10-11 00:20:14,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:20:14,816 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2021-10-11 00:20:14,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 00:20:14,817 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:14,817 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, 1, 1, 1, 1] [2021-10-11 00:20:14,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:20:14,817 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:14,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:14,818 INFO L82 PathProgramCache]: Analyzing trace with hash 540443364, now seen corresponding path program 1 times [2021-10-11 00:20:14,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:14,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594047017] [2021-10-11 00:20:14,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:14,892 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 00:20:14,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594047017] [2021-10-11 00:20:14,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:14,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:20:14,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471783425] [2021-10-11 00:20:14,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:20:14,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:14,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:20:14,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:20:14,894 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 5 states. [2021-10-11 00:20:15,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:15,045 INFO L93 Difference]: Finished difference Result 314 states and 451 transitions. [2021-10-11 00:20:15,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:20:15,046 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-10-11 00:20:15,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:15,049 INFO L225 Difference]: With dead ends: 314 [2021-10-11 00:20:15,049 INFO L226 Difference]: Without dead ends: 260 [2021-10-11 00:20:15,053 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 00:20:15,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-10-11 00:20:15,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2021-10-11 00:20:15,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2021-10-11 00:20:15,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 144 transitions. [2021-10-11 00:20:15,085 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 144 transitions. Word has length 31 [2021-10-11 00:20:15,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:15,085 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 144 transitions. [2021-10-11 00:20:15,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:20:15,085 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 144 transitions. [2021-10-11 00:20:15,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 00:20:15,089 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:15,089 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, 1, 1, 1, 1, 1] [2021-10-11 00:20:15,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:20:15,089 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:15,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:15,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1572316506, now seen corresponding path program 1 times [2021-10-11 00:20:15,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:15,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061518934] [2021-10-11 00:20:15,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:15,153 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 00:20:15,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061518934] [2021-10-11 00:20:15,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:15,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:20:15,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183983208] [2021-10-11 00:20:15,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:20:15,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:15,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:20:15,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:20:15,155 INFO L87 Difference]: Start difference. First operand 106 states and 144 transitions. Second operand 4 states. [2021-10-11 00:20:15,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:15,341 INFO L93 Difference]: Finished difference Result 212 states and 295 transitions. [2021-10-11 00:20:15,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:20:15,342 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2021-10-11 00:20:15,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:15,345 INFO L225 Difference]: With dead ends: 212 [2021-10-11 00:20:15,345 INFO L226 Difference]: Without dead ends: 158 [2021-10-11 00:20:15,347 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:20:15,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-10-11 00:20:15,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2021-10-11 00:20:15,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2021-10-11 00:20:15,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 212 transitions. [2021-10-11 00:20:15,401 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 212 transitions. Word has length 32 [2021-10-11 00:20:15,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:15,402 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 212 transitions. [2021-10-11 00:20:15,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:20:15,402 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 212 transitions. [2021-10-11 00:20:15,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 00:20:15,411 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:15,412 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, 1, 1, 1, 1, 1] [2021-10-11 00:20:15,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:20:15,412 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:15,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:15,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1711533540, now seen corresponding path program 1 times [2021-10-11 00:20:15,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:15,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551860545] [2021-10-11 00:20:15,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:15,493 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 00:20:15,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551860545] [2021-10-11 00:20:15,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:15,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:20:15,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669862360] [2021-10-11 00:20:15,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:20:15,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:15,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:20:15,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:20:15,497 INFO L87 Difference]: Start difference. First operand 155 states and 212 transitions. Second operand 4 states. [2021-10-11 00:20:15,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:15,554 INFO L93 Difference]: Finished difference Result 350 states and 487 transitions. [2021-10-11 00:20:15,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:20:15,555 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2021-10-11 00:20:15,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:15,557 INFO L225 Difference]: With dead ends: 350 [2021-10-11 00:20:15,557 INFO L226 Difference]: Without dead ends: 246 [2021-10-11 00:20:15,559 INFO L677 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 [2021-10-11 00:20:15,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-10-11 00:20:15,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 152. [2021-10-11 00:20:15,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2021-10-11 00:20:15,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 208 transitions. [2021-10-11 00:20:15,581 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 208 transitions. Word has length 32 [2021-10-11 00:20:15,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:15,582 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 208 transitions. [2021-10-11 00:20:15,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:20:15,582 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 208 transitions. [2021-10-11 00:20:15,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 00:20:15,585 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:15,585 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, 1, 1, 1, 1, 1] [2021-10-11 00:20:15,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:20:15,587 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:15,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:15,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1197872225, now seen corresponding path program 1 times [2021-10-11 00:20:15,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:15,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582889068] [2021-10-11 00:20:15,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:15,677 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 00:20:15,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582889068] [2021-10-11 00:20:15,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:15,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:20:15,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445698826] [2021-10-11 00:20:15,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:20:15,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:15,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:20:15,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:20:15,685 INFO L87 Difference]: Start difference. First operand 152 states and 208 transitions. Second operand 6 states. [2021-10-11 00:20:15,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:15,900 INFO L93 Difference]: Finished difference Result 347 states and 484 transitions. [2021-10-11 00:20:15,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:20:15,901 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2021-10-11 00:20:15,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:15,902 INFO L225 Difference]: With dead ends: 347 [2021-10-11 00:20:15,902 INFO L226 Difference]: Without dead ends: 84 [2021-10-11 00:20:15,903 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-10-11 00:20:15,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-10-11 00:20:15,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 60. [2021-10-11 00:20:15,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-10-11 00:20:15,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 74 transitions. [2021-10-11 00:20:15,915 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 74 transitions. Word has length 32 [2021-10-11 00:20:15,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:15,915 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 74 transitions. [2021-10-11 00:20:15,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:20:15,915 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2021-10-11 00:20:15,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-11 00:20:15,917 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:15,917 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, 1, 1, 1, 1, 1] [2021-10-11 00:20:15,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:20:15,918 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:15,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:15,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1969698978, now seen corresponding path program 1 times [2021-10-11 00:20:15,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:15,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340812226] [2021-10-11 00:20:15,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:16,006 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 00:20:16,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340812226] [2021-10-11 00:20:16,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:16,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:20:16,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423478845] [2021-10-11 00:20:16,009 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:20:16,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:16,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:20:16,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:20:16,010 INFO L87 Difference]: Start difference. First operand 60 states and 74 transitions. Second operand 6 states. [2021-10-11 00:20:16,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:16,088 INFO L93 Difference]: Finished difference Result 103 states and 128 transitions. [2021-10-11 00:20:16,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:20:16,088 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2021-10-11 00:20:16,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:16,090 INFO L225 Difference]: With dead ends: 103 [2021-10-11 00:20:16,090 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:20:16,094 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:20:16,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:20:16,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:20:16,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:20:16,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:20:16,095 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2021-10-11 00:20:16,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:16,095 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:20:16,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:20:16,095 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:20:16,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:20:16,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:20:16,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:20:16,615 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 21 [2021-10-11 00:20:16,892 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 21 [2021-10-11 00:20:17,051 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 21 [2021-10-11 00:20:17,163 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 788) no Hoare annotation was computed. [2021-10-11 00:20:17,163 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:20:17,163 INFO L262 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2021-10-11 00:20:17,163 INFO L258 CegarLoopResult]: At program point L236(lines 236 242) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) (not .cse0) .cse1 .cse2) (and (= ~waterLevel~0 1) .cse1 (= ULTIMATE.start_processEnvironment_~tmp~2 0) .cse0 .cse2))) [2021-10-11 00:20:17,163 INFO L258 CegarLoopResult]: At program point L236-1(lines 236 242) the Hoare annotation is: false [2021-10-11 00:20:17,163 INFO L258 CegarLoopResult]: At program point L236-2(lines 236 242) the Hoare annotation is: false [2021-10-11 00:20:17,164 INFO L262 CegarLoopResult]: For program point L765(lines 765 778) no Hoare annotation was computed. [2021-10-11 00:20:17,164 INFO L258 CegarLoopResult]: At program point L765-1(lines 1 920) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) (not .cse0) .cse1 .cse2) (and (= ~waterLevel~0 1) .cse1 .cse0 .cse2))) [2021-10-11 00:20:17,164 INFO L262 CegarLoopResult]: For program point L765-2(lines 765 778) no Hoare annotation was computed. [2021-10-11 00:20:17,164 INFO L258 CegarLoopResult]: At program point L765-3(lines 1 920) the Hoare annotation is: false [2021-10-11 00:20:17,164 INFO L262 CegarLoopResult]: For program point L765-4(lines 765 778) no Hoare annotation was computed. [2021-10-11 00:20:17,164 INFO L258 CegarLoopResult]: At program point L765-5(lines 1 920) the Hoare annotation is: false [2021-10-11 00:20:17,164 INFO L258 CegarLoopResult]: At program point L881(lines 872 885) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2021-10-11 00:20:17,165 INFO L258 CegarLoopResult]: At program point L369(lines 354 372) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 (not .cse1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 (not .cse5)) (and (let ((.cse6 (= ~waterLevel~0 1))) (or (and .cse0 .cse6 .cse3 .cse4) (and .cse6 .cse5 .cse1 .cse3 .cse4))) .cse2))) [2021-10-11 00:20:17,165 INFO L258 CegarLoopResult]: At program point L881-1(lines 872 885) the Hoare annotation is: false [2021-10-11 00:20:17,165 INFO L258 CegarLoopResult]: At program point L369-1(lines 354 372) the Hoare annotation is: false [2021-10-11 00:20:17,165 INFO L258 CegarLoopResult]: At program point L881-2(lines 872 885) the Hoare annotation is: false [2021-10-11 00:20:17,165 INFO L258 CegarLoopResult]: At program point L369-2(lines 354 372) the Hoare annotation is: false [2021-10-11 00:20:17,165 INFO L258 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: false [2021-10-11 00:20:17,165 INFO L262 CegarLoopResult]: For program point L799(lines 799 803) no Hoare annotation was computed. [2021-10-11 00:20:17,165 INFO L262 CegarLoopResult]: For program point L799-3(lines 799 803) no Hoare annotation was computed. [2021-10-11 00:20:17,166 INFO L262 CegarLoopResult]: For program point L799-6(lines 799 803) no Hoare annotation was computed. [2021-10-11 00:20:17,166 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:20:17,166 INFO L262 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2021-10-11 00:20:17,166 INFO L258 CegarLoopResult]: At program point L917(lines 912 920) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:20:17,166 INFO L258 CegarLoopResult]: At program point L174(lines 170 176) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:20:17,166 INFO L258 CegarLoopResult]: At program point L868(lines 863 871) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) (not .cse0) .cse1 .cse2) (and (= ~waterLevel~0 1) .cse1 (= ULTIMATE.start_processEnvironment_~tmp~2 0) .cse0 .cse2 (= |ULTIMATE.start_getWaterLevel_#res| 1)))) [2021-10-11 00:20:17,167 INFO L258 CegarLoopResult]: At program point L868-1(lines 863 871) the Hoare annotation is: false [2021-10-11 00:20:17,167 INFO L258 CegarLoopResult]: At program point L868-2(lines 863 871) the Hoare annotation is: false [2021-10-11 00:20:17,167 INFO L262 CegarLoopResult]: For program point L769(lines 769 775) no Hoare annotation was computed. [2021-10-11 00:20:17,167 INFO L262 CegarLoopResult]: For program point L769-2(lines 769 775) no Hoare annotation was computed. [2021-10-11 00:20:17,167 INFO L262 CegarLoopResult]: For program point L769-4(lines 769 775) no Hoare annotation was computed. [2021-10-11 00:20:17,167 INFO L262 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2021-10-11 00:20:17,167 INFO L258 CegarLoopResult]: At program point L125-2(lines 125 139) the Hoare annotation is: false [2021-10-11 00:20:17,167 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 788) no Hoare annotation was computed. [2021-10-11 00:20:17,168 INFO L258 CegarLoopResult]: At program point L836(lines 831 839) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) (not .cse0) .cse1 .cse2) (and (= ~waterLevel~0 1) .cse1 (= ULTIMATE.start_processEnvironment_~tmp~2 0) .cse0 .cse2))) [2021-10-11 00:20:17,168 INFO L258 CegarLoopResult]: At program point L836-1(lines 831 839) the Hoare annotation is: false [2021-10-11 00:20:17,168 INFO L258 CegarLoopResult]: At program point L836-2(lines 831 839) the Hoare annotation is: false [2021-10-11 00:20:17,168 INFO L262 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2021-10-11 00:20:17,168 INFO L265 CegarLoopResult]: At program point L209(lines 190 212) the Hoare annotation is: true [2021-10-11 00:20:17,168 INFO L262 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-10-11 00:20:17,169 INFO L258 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) (not .cse1) .cse0 .cse2) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2021-10-11 00:20:17,169 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:20:17,169 INFO L262 CegarLoopResult]: For program point L788(line 788) no Hoare annotation was computed. [2021-10-11 00:20:17,169 INFO L262 CegarLoopResult]: For program point L788-1(line 788) no Hoare annotation was computed. [2021-10-11 00:20:17,169 INFO L262 CegarLoopResult]: For program point L788-2(line 788) no Hoare annotation was computed. [2021-10-11 00:20:17,169 INFO L262 CegarLoopResult]: For program point L95(lines 95 99) no Hoare annotation was computed. [2021-10-11 00:20:17,169 INFO L258 CegarLoopResult]: At program point L95-2(lines 229 235) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) (not .cse1) .cse0 .cse2) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2021-10-11 00:20:17,169 INFO L262 CegarLoopResult]: For program point L261(lines 261 278) no Hoare annotation was computed. [2021-10-11 00:20:17,170 INFO L262 CegarLoopResult]: For program point L261-1(lines 261 278) no Hoare annotation was computed. [2021-10-11 00:20:17,170 INFO L262 CegarLoopResult]: For program point L261-2(lines 261 278) no Hoare annotation was computed. [2021-10-11 00:20:17,170 INFO L262 CegarLoopResult]: For program point L129(lines 129 133) no Hoare annotation was computed. [2021-10-11 00:20:17,170 INFO L262 CegarLoopResult]: For program point L129-1(lines 229 235) no Hoare annotation was computed. [2021-10-11 00:20:17,170 INFO L262 CegarLoopResult]: For program point L823(lines 823 827) no Hoare annotation was computed. [2021-10-11 00:20:17,170 INFO L258 CegarLoopResult]: At program point L229(lines 228 247) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) (not .cse1) .cse0 .cse2) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2021-10-11 00:20:17,170 INFO L262 CegarLoopResult]: For program point L229-1(lines 229 235) no Hoare annotation was computed. [2021-10-11 00:20:17,171 INFO L258 CegarLoopResult]: At program point L229-2(lines 228 247) the Hoare annotation is: false [2021-10-11 00:20:17,171 INFO L258 CegarLoopResult]: At program point L229-3(lines 228 247) the Hoare annotation is: false [2021-10-11 00:20:17,171 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:20:17,171 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 788) no Hoare annotation was computed. [2021-10-11 00:20:17,171 INFO L262 CegarLoopResult]: For program point L759(lines 759 779) no Hoare annotation was computed. [2021-10-11 00:20:17,171 INFO L262 CegarLoopResult]: For program point L759-2(lines 759 779) no Hoare annotation was computed. [2021-10-11 00:20:17,171 INFO L262 CegarLoopResult]: For program point L759-4(lines 759 779) no Hoare annotation was computed. [2021-10-11 00:20:17,171 INFO L262 CegarLoopResult]: For program point L363(lines 363 367) no Hoare annotation was computed. [2021-10-11 00:20:17,171 INFO L262 CegarLoopResult]: For program point L363-2(lines 363 367) no Hoare annotation was computed. [2021-10-11 00:20:17,172 INFO L262 CegarLoopResult]: For program point L363-3(lines 363 367) no Hoare annotation was computed. [2021-10-11 00:20:17,172 INFO L262 CegarLoopResult]: For program point L363-5(lines 363 367) no Hoare annotation was computed. [2021-10-11 00:20:17,172 INFO L262 CegarLoopResult]: For program point L363-6(lines 363 367) no Hoare annotation was computed. [2021-10-11 00:20:17,172 INFO L262 CegarLoopResult]: For program point L363-8(lines 363 367) no Hoare annotation was computed. [2021-10-11 00:20:17,172 INFO L258 CegarLoopResult]: At program point L314(lines 309 317) the Hoare annotation is: (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:20:17,172 INFO L258 CegarLoopResult]: At program point L314-1(lines 309 317) the Hoare annotation is: false [2021-10-11 00:20:17,172 INFO L258 CegarLoopResult]: At program point L314-2(lines 309 317) the Hoare annotation is: false [2021-10-11 00:20:17,173 INFO L258 CegarLoopResult]: At program point L909(lines 1 920) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:20:17,173 INFO L262 CegarLoopResult]: For program point L876(lines 876 882) no Hoare annotation was computed. [2021-10-11 00:20:17,173 INFO L262 CegarLoopResult]: For program point L876-1(lines 876 882) no Hoare annotation was computed. [2021-10-11 00:20:17,173 INFO L262 CegarLoopResult]: For program point L876-2(lines 876 882) no Hoare annotation was computed. [2021-10-11 00:20:17,173 INFO L262 CegarLoopResult]: For program point L265(lines 265 273) no Hoare annotation was computed. [2021-10-11 00:20:17,173 INFO L262 CegarLoopResult]: For program point L265-1(lines 265 273) no Hoare annotation was computed. [2021-10-11 00:20:17,173 INFO L262 CegarLoopResult]: For program point L265-2(lines 265 273) no Hoare annotation was computed. [2021-10-11 00:20:17,173 INFO L262 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-10-11 00:20:17,174 INFO L258 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) (not .cse1) .cse0 .cse2) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2021-10-11 00:20:17,174 INFO L262 CegarLoopResult]: For program point L811(lines 811 815) no Hoare annotation was computed. [2021-10-11 00:20:17,174 INFO L262 CegarLoopResult]: For program point L200(lines 200 207) no Hoare annotation was computed. [2021-10-11 00:20:17,174 INFO L265 CegarLoopResult]: At program point L200-1(lines 200 207) the Hoare annotation is: true [2021-10-11 00:20:17,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:20:17 BoogieIcfgContainer [2021-10-11 00:20:17,201 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:20:17,201 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:20:17,201 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:20:17,202 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:20:17,210 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:13" (3/4) ... [2021-10-11 00:20:17,213 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:20:17,237 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:20:17,243 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:20:17,244 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:20:17,245 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:20:17,246 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:20:17,247 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:20:17,248 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:20:17,282 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:20:17,283 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) || (((((waterLevel == 1 && 1 == systemActive) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:20:17,283 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0 && !(\result == 0)) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((tmp == 0 && waterLevel == 1) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && tmp___0 == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) && 1 == systemActive) [2021-10-11 00:20:17,290 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0 [2021-10-11 00:20:17,364 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db738889-ded3-49b7-b354-887cac592288/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:20:17,364 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:20:17,366 INFO L168 Benchmark]: Toolchain (without parser) took 5626.67 ms. Allocated memory was 104.9 MB in the beginning and 159.4 MB in the end (delta: 54.5 MB). Free memory was 74.8 MB in the beginning and 68.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 62.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:17,368 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 104.9 MB. Free memory is still 61.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:20:17,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 569.03 ms. Allocated memory is still 104.9 MB. Free memory was 74.8 MB in the beginning and 70.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:17,370 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.82 ms. Allocated memory is still 104.9 MB. Free memory was 70.3 MB in the beginning and 67.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:17,370 INFO L168 Benchmark]: Boogie Preprocessor took 57.08 ms. Allocated memory is still 104.9 MB. Free memory was 67.1 MB in the beginning and 65.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:17,371 INFO L168 Benchmark]: RCFGBuilder took 1085.61 ms. Allocated memory was 104.9 MB in the beginning and 132.1 MB in the end (delta: 27.3 MB). Free memory was 65.0 MB in the beginning and 67.4 MB in the end (delta: -2.4 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:17,371 INFO L168 Benchmark]: TraceAbstraction took 3662.90 ms. Allocated memory was 132.1 MB in the beginning and 159.4 MB in the end (delta: 27.3 MB). Free memory was 67.4 MB in the beginning and 75.3 MB in the end (delta: -7.9 MB). Peak memory consumption was 53.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:17,372 INFO L168 Benchmark]: Witness Printer took 163.07 ms. Allocated memory is still 159.4 MB. Free memory was 75.3 MB in the beginning and 68.0 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:20:17,374 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 104.9 MB. Free memory is still 61.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 569.03 ms. Allocated memory is still 104.9 MB. Free memory was 74.8 MB in the beginning and 70.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.82 ms. Allocated memory is still 104.9 MB. Free memory was 70.3 MB in the beginning and 67.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.08 ms. Allocated memory is still 104.9 MB. Free memory was 67.1 MB in the beginning and 65.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1085.61 ms. Allocated memory was 104.9 MB in the beginning and 132.1 MB in the end (delta: 27.3 MB). Free memory was 65.0 MB in the beginning and 67.4 MB in the end (delta: -2.4 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3662.90 ms. Allocated memory was 132.1 MB in the beginning and 159.4 MB in the end (delta: 27.3 MB). Free memory was 67.4 MB in the beginning and 75.3 MB in the end (delta: -7.9 MB). Peak memory consumption was 53.8 MB. Max. memory is 16.1 GB. * Witness Printer took 163.07 ms. Allocated memory is still 159.4 MB. Free memory was 75.3 MB in the beginning and 68.0 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 788]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 788]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 788]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) || (((((waterLevel == 1 && 1 == systemActive) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: ((((\result == 0 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: (((((((tmp == 0 && !(\result == 0)) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(tmp___0 == 0)) || (((((tmp == 0 && waterLevel == 1) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && tmp___0 == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) && 1 == systemActive) - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel == 1 && 1 == systemActive) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel == 1 && 1 == systemActive) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.4s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 748 SDtfs, 767 SDslu, 993 SDs, 0 SdLazy, 160 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 315 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 34 PreInvPairs, 99 NumberOfFragments, 448 HoareAnnotationTreeSize, 34 FomulaSimplifications, 8552 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 34 FomulaSimplificationsInter, 448 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 266 ConstructedInterpolants, 0 QuantifiedInterpolants, 12512 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 correct! Received shutdown request...