./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.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_7d949375-9bc0-4713-831f-b482a47065ae/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d949375-9bc0-4713-831f-b482a47065ae/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_7d949375-9bc0-4713-831f-b482a47065ae/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d949375-9bc0-4713-831f-b482a47065ae/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d949375-9bc0-4713-831f-b482a47065ae/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_7d949375-9bc0-4713-831f-b482a47065ae/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 6a18f617941e8cdfed5633e004145f254bf7fa9d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:23:10,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:23:10,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:23:11,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:23:11,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:23:11,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:23:11,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:23:11,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:23:11,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:23:11,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:23:11,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:23:11,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:23:11,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:23:11,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:23:11,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:23:11,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:23:11,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:23:11,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:23:11,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:23:11,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:23:11,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:23:11,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:23:11,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:23:11,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:23:11,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:23:11,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:23:11,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:23:11,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:23:11,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:23:11,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:23:11,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:23:11,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:23:11,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:23:11,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:23:11,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:23:11,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:23:11,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:23:11,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:23:11,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:23:11,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:23:11,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:23:11,135 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d949375-9bc0-4713-831f-b482a47065ae/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:23:11,183 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:23:11,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:23:11,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:23:11,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:23:11,188 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:23:11,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:23:11,188 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:23:11,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:23:11,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:23:11,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:23:11,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:23:11,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:23:11,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:23:11,191 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:23:11,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:23:11,192 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:23:11,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:23:11,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:23:11,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:23:11,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:23:11,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:23:11,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:23:11,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:23:11,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:23:11,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:23:11,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:23:11,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:23:11,195 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:23:11,196 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_7d949375-9bc0-4713-831f-b482a47065ae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d949375-9bc0-4713-831f-b482a47065ae/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a18f617941e8cdfed5633e004145f254bf7fa9d [2021-10-11 00:23:11,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:23:11,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:23:11,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:23:11,656 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:23:11,657 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:23:11,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d949375-9bc0-4713-831f-b482a47065ae/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2021-10-11 00:23:11,747 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d949375-9bc0-4713-831f-b482a47065ae/bin/uautomizer-Z5i5R5N3CC/data/798a4318d/a0bf081516944356b043a84bff23b943/FLAG8303d061d [2021-10-11 00:23:12,384 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:23:12,385 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d949375-9bc0-4713-831f-b482a47065ae/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2021-10-11 00:23:12,400 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d949375-9bc0-4713-831f-b482a47065ae/bin/uautomizer-Z5i5R5N3CC/data/798a4318d/a0bf081516944356b043a84bff23b943/FLAG8303d061d [2021-10-11 00:23:12,666 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d949375-9bc0-4713-831f-b482a47065ae/bin/uautomizer-Z5i5R5N3CC/data/798a4318d/a0bf081516944356b043a84bff23b943 [2021-10-11 00:23:12,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:23:12,673 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:23:12,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:23:12,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:23:12,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:23:12,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:23:12" (1/1) ... [2021-10-11 00:23:12,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cdaaa72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:12, skipping insertion in model container [2021-10-11 00:23:12,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:23:12" (1/1) ... [2021-10-11 00:23:12,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:23:12,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:23:12,929 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_7d949375-9bc0-4713-831f-b482a47065ae/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c[1281,1294] [2021-10-11 00:23:13,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:23:13,106 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:23:13,123 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_7d949375-9bc0-4713-831f-b482a47065ae/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c[1281,1294] [2021-10-11 00:23:13,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:23:13,233 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:23:13,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:13 WrapperNode [2021-10-11 00:23:13,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:23:13,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:23:13,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:23:13,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:23:13,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:13" (1/1) ... [2021-10-11 00:23:13,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:13" (1/1) ... [2021-10-11 00:23:13,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:23:13,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:23:13,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:23:13,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:23:13,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:13" (1/1) ... [2021-10-11 00:23:13,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:13" (1/1) ... [2021-10-11 00:23:13,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:13" (1/1) ... [2021-10-11 00:23:13,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:13" (1/1) ... [2021-10-11 00:23:13,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:13" (1/1) ... [2021-10-11 00:23:13,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:13" (1/1) ... [2021-10-11 00:23:13,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:13" (1/1) ... [2021-10-11 00:23:13,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:23:13,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:23:13,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:23:13,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:23:13,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:13" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d949375-9bc0-4713-831f-b482a47065ae/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:23:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:23:13,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:23:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:23:13,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:23:14,512 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:23:14,513 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-10-11 00:23:14,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:23:14 BoogieIcfgContainer [2021-10-11 00:23:14,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:23:14,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:23:14,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:23:14,524 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:23:14,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:23:12" (1/3) ... [2021-10-11 00:23:14,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fccd603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:23:14, skipping insertion in model container [2021-10-11 00:23:14,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:13" (2/3) ... [2021-10-11 00:23:14,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fccd603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:23:14, skipping insertion in model container [2021-10-11 00:23:14,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:23:14" (3/3) ... [2021-10-11 00:23:14,530 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product02.cil.c [2021-10-11 00:23:14,547 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:23:14,553 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:23:14,571 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:23:14,623 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:23:14,623 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:23:14,624 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:23:14,624 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:23:14,624 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:23:14,624 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:23:14,624 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:23:14,625 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:23:14,647 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2021-10-11 00:23:14,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:23:14,656 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:14,657 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:14,658 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:14,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:14,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1537784819, now seen corresponding path program 1 times [2021-10-11 00:23:14,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:14,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006146850] [2021-10-11 00:23:14,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:15,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:15,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006146850] [2021-10-11 00:23:15,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:15,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:23:15,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074265827] [2021-10-11 00:23:15,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:23:15,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:15,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:23:15,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:23:15,089 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2021-10-11 00:23:15,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:15,121 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-10-11 00:23:15,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:23:15,122 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:23:15,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:15,142 INFO L225 Difference]: With dead ends: 108 [2021-10-11 00:23:15,143 INFO L226 Difference]: Without dead ends: 53 [2021-10-11 00:23:15,146 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:23:15,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-11 00:23:15,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-11 00:23:15,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-10-11 00:23:15,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2021-10-11 00:23:15,192 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2021-10-11 00:23:15,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:15,193 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2021-10-11 00:23:15,193 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:23:15,194 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-10-11 00:23:15,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:23:15,196 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:15,196 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:15,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:23:15,197 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:15,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:15,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1979941713, now seen corresponding path program 1 times [2021-10-11 00:23:15,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:15,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345239852] [2021-10-11 00:23:15,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:15,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:15,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345239852] [2021-10-11 00:23:15,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:15,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:23:15,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353194947] [2021-10-11 00:23:15,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:23:15,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:15,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:23:15,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:23:15,329 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2021-10-11 00:23:15,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:15,349 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2021-10-11 00:23:15,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:23:15,350 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:23:15,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:15,351 INFO L225 Difference]: With dead ends: 53 [2021-10-11 00:23:15,351 INFO L226 Difference]: Without dead ends: 27 [2021-10-11 00:23:15,352 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:23:15,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-11 00:23:15,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-11 00:23:15,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-10-11 00:23:15,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2021-10-11 00:23:15,357 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2021-10-11 00:23:15,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:15,357 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-10-11 00:23:15,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:23:15,357 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-10-11 00:23:15,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:23:15,358 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:15,358 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] [2021-10-11 00:23:15,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:23:15,359 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:15,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:15,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2021-10-11 00:23:15,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:15,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607105810] [2021-10-11 00:23:15,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:15,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:15,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607105810] [2021-10-11 00:23:15,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:15,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-11 00:23:15,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389415056] [2021-10-11 00:23:15,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 00:23:15,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:15,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 00:23:15,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:23:15,538 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 8 states. [2021-10-11 00:23:15,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:15,945 INFO L93 Difference]: Finished difference Result 142 states and 221 transitions. [2021-10-11 00:23:15,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-11 00:23:15,946 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2021-10-11 00:23:15,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:15,949 INFO L225 Difference]: With dead ends: 142 [2021-10-11 00:23:15,949 INFO L226 Difference]: Without dead ends: 121 [2021-10-11 00:23:15,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-10-11 00:23:15,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-10-11 00:23:15,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 60. [2021-10-11 00:23:15,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-10-11 00:23:15,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2021-10-11 00:23:15,977 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 22 [2021-10-11 00:23:15,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:15,978 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2021-10-11 00:23:15,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 00:23:15,978 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2021-10-11 00:23:15,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 00:23:15,979 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:15,979 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] [2021-10-11 00:23:15,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:23:15,980 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:15,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:15,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1296861074, now seen corresponding path program 1 times [2021-10-11 00:23:15,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:15,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845847862] [2021-10-11 00:23:15,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:16,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:16,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845847862] [2021-10-11 00:23:16,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:16,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:23:16,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391547019] [2021-10-11 00:23:16,047 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:23:16,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:16,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:23:16,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:23:16,049 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand 3 states. [2021-10-11 00:23:16,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:16,059 INFO L93 Difference]: Finished difference Result 95 states and 136 transitions. [2021-10-11 00:23:16,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:23:16,059 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2021-10-11 00:23:16,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:16,061 INFO L225 Difference]: With dead ends: 95 [2021-10-11 00:23:16,061 INFO L226 Difference]: Without dead ends: 57 [2021-10-11 00:23:16,062 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 00:23:16,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-11 00:23:16,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-11 00:23:16,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2021-10-11 00:23:16,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2021-10-11 00:23:16,083 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 23 [2021-10-11 00:23:16,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:16,083 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2021-10-11 00:23:16,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:23:16,084 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2021-10-11 00:23:16,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-11 00:23:16,085 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:16,085 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:16,085 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:23:16,086 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:16,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:16,086 INFO L82 PathProgramCache]: Analyzing trace with hash -829366222, now seen corresponding path program 1 times [2021-10-11 00:23:16,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:16,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722042362] [2021-10-11 00:23:16,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:16,242 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:16,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722042362] [2021-10-11 00:23:16,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089384142] [2021-10-11 00:23:16,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d949375-9bc0-4713-831f-b482a47065ae/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:23:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:16,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 00:23:16,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:23:16,513 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:16,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:23:16,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-10-11 00:23:16,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780795882] [2021-10-11 00:23:16,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:23:16,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:16,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:23:16,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:23:16,518 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand 4 states. [2021-10-11 00:23:16,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:16,718 INFO L93 Difference]: Finished difference Result 73 states and 100 transitions. [2021-10-11 00:23:16,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:23:16,724 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2021-10-11 00:23:16,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:16,725 INFO L225 Difference]: With dead ends: 73 [2021-10-11 00:23:16,725 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:23:16,725 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 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 00:23:16,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:23:16,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:23:16,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:23:16,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:23:16,726 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2021-10-11 00:23:16,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:16,727 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:23:16,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:23:16,727 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:23:16,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:23:16,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:23:16,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:23:17,457 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:23:17,457 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:23:17,458 INFO L265 CegarLoopResult]: At program point L848(lines 829 851) the Hoare annotation is: true [2021-10-11 00:23:17,458 INFO L262 CegarLoopResult]: For program point L303(lines 303 307) no Hoare annotation was computed. [2021-10-11 00:23:17,458 INFO L262 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2021-10-11 00:23:17,458 INFO L258 CegarLoopResult]: At program point L237-1(lines 237 243) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2021-10-11 00:23:17,459 INFO L258 CegarLoopResult]: At program point L816(lines 812 818) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) (= ~pumpRunning~0 0)) [2021-10-11 00:23:17,459 INFO L258 CegarLoopResult]: At program point L106(lines 105 124) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2021-10-11 00:23:17,459 INFO L262 CegarLoopResult]: For program point L106-1(lines 106 112) no Hoare annotation was computed. [2021-10-11 00:23:17,459 INFO L258 CegarLoopResult]: At program point L106-2(lines 105 124) the Hoare annotation is: false [2021-10-11 00:23:17,460 INFO L258 CegarLoopResult]: At program point L106-3(lines 105 124) the Hoare annotation is: false [2021-10-11 00:23:17,460 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:23:17,460 INFO L258 CegarLoopResult]: At program point L768-2(lines 768 782) the Hoare annotation is: false [2021-10-11 00:23:17,460 INFO L262 CegarLoopResult]: For program point L257(lines 257 270) no Hoare annotation was computed. [2021-10-11 00:23:17,460 INFO L262 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2021-10-11 00:23:17,460 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:23:17,461 INFO L262 CegarLoopResult]: For program point L373(lines 373 386) no Hoare annotation was computed. [2021-10-11 00:23:17,461 INFO L258 CegarLoopResult]: At program point L373-1(lines 1 851) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse0 .cse1) (and (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 0)) (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (<= 2 ~waterLevel~0) .cse0 .cse1))) [2021-10-11 00:23:17,461 INFO L262 CegarLoopResult]: For program point L373-2(lines 373 386) no Hoare annotation was computed. [2021-10-11 00:23:17,461 INFO L258 CegarLoopResult]: At program point L373-3(lines 1 851) the Hoare annotation is: false [2021-10-11 00:23:17,462 INFO L262 CegarLoopResult]: For program point L373-4(lines 373 386) no Hoare annotation was computed. [2021-10-11 00:23:17,462 INFO L258 CegarLoopResult]: At program point L373-5(lines 1 851) the Hoare annotation is: false [2021-10-11 00:23:17,462 INFO L258 CegarLoopResult]: At program point L76(lines 1 851) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2021-10-11 00:23:17,462 INFO L262 CegarLoopResult]: For program point L291(lines 291 295) no Hoare annotation was computed. [2021-10-11 00:23:17,462 INFO L262 CegarLoopResult]: For program point L291-3(lines 291 295) no Hoare annotation was computed. [2021-10-11 00:23:17,462 INFO L262 CegarLoopResult]: For program point L291-6(lines 291 295) no Hoare annotation was computed. [2021-10-11 00:23:17,463 INFO L258 CegarLoopResult]: At program point L275(lines 226 276) the Hoare annotation is: false [2021-10-11 00:23:17,463 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:23:17,463 INFO L262 CegarLoopResult]: For program point L772(lines 772 776) no Hoare annotation was computed. [2021-10-11 00:23:17,463 INFO L262 CegarLoopResult]: For program point L772-1(lines 106 112) no Hoare annotation was computed. [2021-10-11 00:23:17,463 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 00:23:17,464 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 00:23:17,464 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 00:23:17,464 INFO L258 CegarLoopResult]: At program point L360(lines 355 363) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse1 .cse2 (<= 1 ~waterLevel~0)))) [2021-10-11 00:23:17,464 INFO L262 CegarLoopResult]: For program point L839(lines 839 846) no Hoare annotation was computed. [2021-10-11 00:23:17,464 INFO L258 CegarLoopResult]: At program point L360-1(lines 355 363) the Hoare annotation is: false [2021-10-11 00:23:17,465 INFO L258 CegarLoopResult]: At program point L360-2(lines 355 363) the Hoare annotation is: false [2021-10-11 00:23:17,465 INFO L265 CegarLoopResult]: At program point L839-1(lines 839 846) the Hoare annotation is: true [2021-10-11 00:23:17,465 INFO L262 CegarLoopResult]: For program point L228(lines 227 274) no Hoare annotation was computed. [2021-10-11 00:23:17,465 INFO L262 CegarLoopResult]: For program point L377(lines 377 383) no Hoare annotation was computed. [2021-10-11 00:23:17,465 INFO L262 CegarLoopResult]: For program point L377-2(lines 377 383) no Hoare annotation was computed. [2021-10-11 00:23:17,465 INFO L262 CegarLoopResult]: For program point L377-4(lines 377 383) no Hoare annotation was computed. [2021-10-11 00:23:17,466 INFO L258 CegarLoopResult]: At program point L113(lines 113 119) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2021-10-11 00:23:17,466 INFO L258 CegarLoopResult]: At program point L113-1(lines 113 119) the Hoare annotation is: false [2021-10-11 00:23:17,466 INFO L258 CegarLoopResult]: At program point L113-2(lines 113 119) the Hoare annotation is: false [2021-10-11 00:23:17,466 INFO L262 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2021-10-11 00:23:17,466 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:23:17,467 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:23:17,467 INFO L262 CegarLoopResult]: For program point L247(lines 247 253) no Hoare annotation was computed. [2021-10-11 00:23:17,467 INFO L258 CegarLoopResult]: At program point L247-1(lines 247 253) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2021-10-11 00:23:17,467 INFO L258 CegarLoopResult]: At program point L165(lines 160 168) the Hoare annotation is: false [2021-10-11 00:23:17,467 INFO L258 CegarLoopResult]: At program point L165-1(lines 160 168) the Hoare annotation is: false [2021-10-11 00:23:17,468 INFO L258 CegarLoopResult]: At program point L165-2(lines 160 168) the Hoare annotation is: false [2021-10-11 00:23:17,468 INFO L262 CegarLoopResult]: For program point L265(lines 265 269) no Hoare annotation was computed. [2021-10-11 00:23:17,468 INFO L258 CegarLoopResult]: At program point L265-2(lines 106 112) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2021-10-11 00:23:17,468 INFO L262 CegarLoopResult]: For program point L315(lines 315 319) no Hoare annotation was computed. [2021-10-11 00:23:17,468 INFO L258 CegarLoopResult]: At program point L84(lines 79 87) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~pumpRunning~0 0)) [2021-10-11 00:23:17,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:23:17 BoogieIcfgContainer [2021-10-11 00:23:17,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:23:17,488 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:23:17,488 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:23:17,488 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:23:17,489 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:23:14" (3/4) ... [2021-10-11 00:23:17,492 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:23:17,505 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:23:17,505 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:23:17,506 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:23:17,506 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:23:17,507 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:23:17,507 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:23:17,508 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:23:17,530 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel == 1 && \result == waterLevel) && pumpRunning == 0 [2021-10-11 00:23:17,531 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0 [2021-10-11 00:23:17,531 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(tmp == 0) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:23:17,531 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:23:17,532 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:23:17,532 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:23:17,532 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:23:17,532 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:23:17,533 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:23:17,579 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d949375-9bc0-4713-831f-b482a47065ae/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:23:17,579 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:23:17,581 INFO L168 Benchmark]: Toolchain (without parser) took 4907.09 ms. Allocated memory was 132.1 MB in the beginning and 178.3 MB in the end (delta: 46.1 MB). Free memory was 92.0 MB in the beginning and 138.6 MB in the end (delta: -46.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:23:17,581 INFO L168 Benchmark]: CDTParser took 0.71 ms. Allocated memory is still 132.1 MB. Free memory was 110.1 MB in the beginning and 110.1 MB in the end (delta: 73.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:23:17,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.12 ms. Allocated memory is still 132.1 MB. Free memory was 91.5 MB in the beginning and 95.8 MB in the end (delta: -4.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:17,582 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.22 ms. Allocated memory is still 132.1 MB. Free memory was 95.8 MB in the beginning and 93.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:17,583 INFO L168 Benchmark]: Boogie Preprocessor took 77.25 ms. Allocated memory is still 132.1 MB. Free memory was 93.0 MB in the beginning and 91.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:17,583 INFO L168 Benchmark]: RCFGBuilder took 1115.46 ms. Allocated memory was 132.1 MB in the beginning and 178.3 MB in the end (delta: 46.1 MB). Free memory was 91.0 MB in the beginning and 143.4 MB in the end (delta: -52.4 MB). Peak memory consumption was 43.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:17,584 INFO L168 Benchmark]: TraceAbstraction took 2967.40 ms. Allocated memory is still 178.3 MB. Free memory was 142.3 MB in the beginning and 143.9 MB in the end (delta: -1.5 MB). Peak memory consumption was 96.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:17,584 INFO L168 Benchmark]: Witness Printer took 91.74 ms. Allocated memory is still 178.3 MB. Free memory was 143.9 MB in the beginning and 138.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:17,587 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71 ms. Allocated memory is still 132.1 MB. Free memory was 110.1 MB in the beginning and 110.1 MB in the end (delta: 73.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 555.12 ms. Allocated memory is still 132.1 MB. Free memory was 91.5 MB in the beginning and 95.8 MB in the end (delta: -4.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.22 ms. Allocated memory is still 132.1 MB. Free memory was 95.8 MB in the beginning and 93.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.25 ms. Allocated memory is still 132.1 MB. Free memory was 93.0 MB in the beginning and 91.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1115.46 ms. Allocated memory was 132.1 MB in the beginning and 178.3 MB in the end (delta: 46.1 MB). Free memory was 91.0 MB in the beginning and 143.4 MB in the end (delta: -52.4 MB). Peak memory consumption was 43.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2967.40 ms. Allocated memory is still 178.3 MB. Free memory was 142.3 MB in the beginning and 143.9 MB in the end (delta: -1.5 MB). Peak memory consumption was 96.0 MB. Max. memory is 16.1 GB. * Witness Printer took 91.74 ms. Allocated memory is still 178.3 MB. Free memory was 143.9 MB in the beginning and 138.6 MB in the end (delta: 5.2 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: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: (waterLevel == 1 && \result == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(tmp == 0) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: waterLevel == 1 && pumpRunning == 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 293 SDslu, 280 SDs, 0 SdLazy, 84 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 41 NumberOfFragments, 250 HoareAnnotationTreeSize, 25 FomulaSimplifications, 288 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 58 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 9184 SizeOfPredicates, 0 NumberOfNonLiveVariables, 374 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 23/28 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...