./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85acda6-55b9-4609-be9c-7e218416088a/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85acda6-55b9-4609-be9c-7e218416088a/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85acda6-55b9-4609-be9c-7e218416088a/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85acda6-55b9-4609-be9c-7e218416088a/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85acda6-55b9-4609-be9c-7e218416088a/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85acda6-55b9-4609-be9c-7e218416088a/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:42:38,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:42:38,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:42:38,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:42:38,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:42:38,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:42:38,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:42:38,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:42:38,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:42:38,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:42:38,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:42:38,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:42:38,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:42:38,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:42:38,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:42:38,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:42:38,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:42:38,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:42:38,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:42:38,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:42:38,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:42:38,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:42:38,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:42:38,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:42:38,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:42:38,184 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:42:38,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:42:38,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:42:38,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:42:38,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:42:38,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:42:38,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:42:38,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:42:38,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:42:38,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:42:38,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:42:38,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:42:38,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:42:38,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:42:38,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:42:38,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:42:38,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85acda6-55b9-4609-be9c-7e218416088a/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:42:38,245 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:42:38,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:42:38,248 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:42:38,248 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:42:38,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:42:38,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:42:38,257 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:42:38,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:42:38,257 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:42:38,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:42:38,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:42:38,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:42:38,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:42:38,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:42:38,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:42:38,260 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:42:38,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:42:38,261 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:42:38,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:42:38,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:42:38,261 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:42:38,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:42:38,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:42:38,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:42:38,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:42:38,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:42:38,263 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:42:38,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:42:38,263 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:42:38,265 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:42:38,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:42:38,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:42:38,265 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_c85acda6-55b9-4609-be9c-7e218416088a/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85acda6-55b9-4609-be9c-7e218416088a/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 946d32f68529fe8e8ef40d628a80388e3f0181b3c7613933ab7ca33bcc37bf44 [2021-10-28 23:42:38,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:42:38,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:42:38,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:42:38,615 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:42:38,616 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:42:38,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85acda6-55b9-4609-be9c-7e218416088a/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2021-10-28 23:42:38,691 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85acda6-55b9-4609-be9c-7e218416088a/bin/uautomizer-GMMbpWq8iD/data/0e619a2e1/ee519d8fc96f4cb29780e9bdaab56dd1/FLAGbe0708341 [2021-10-28 23:42:39,277 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:42:39,278 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85acda6-55b9-4609-be9c-7e218416088a/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c [2021-10-28 23:42:39,289 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85acda6-55b9-4609-be9c-7e218416088a/bin/uautomizer-GMMbpWq8iD/data/0e619a2e1/ee519d8fc96f4cb29780e9bdaab56dd1/FLAGbe0708341 [2021-10-28 23:42:39,584 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85acda6-55b9-4609-be9c-7e218416088a/bin/uautomizer-GMMbpWq8iD/data/0e619a2e1/ee519d8fc96f4cb29780e9bdaab56dd1 [2021-10-28 23:42:39,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:42:39,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:42:39,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:42:39,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:42:39,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:42:39,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:42:39" (1/1) ... [2021-10-28 23:42:39,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c5068b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:42:39, skipping insertion in model container [2021-10-28 23:42:39,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:42:39" (1/1) ... [2021-10-28 23:42:39,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:42:39,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:42:39,944 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85acda6-55b9-4609-be9c-7e218416088a/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c[7173,7186] [2021-10-28 23:42:40,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:42:40,040 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:42:40,092 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85acda6-55b9-4609-be9c-7e218416088a/sv-benchmarks/c/product-lines/minepump_spec1_product02.cil.c[7173,7186] [2021-10-28 23:42:40,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:42:40,150 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:42:40,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:42:40 WrapperNode [2021-10-28 23:42:40,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:42:40,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:42:40,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:42:40,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:42:40,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:42:40" (1/1) ... [2021-10-28 23:42:40,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:42:40" (1/1) ... [2021-10-28 23:42:40,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:42:40,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:42:40,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:42:40,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:42:40,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:42:40" (1/1) ... [2021-10-28 23:42:40,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:42:40" (1/1) ... [2021-10-28 23:42:40,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:42:40" (1/1) ... [2021-10-28 23:42:40,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:42:40" (1/1) ... [2021-10-28 23:42:40,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:42:40" (1/1) ... [2021-10-28 23:42:40,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:42:40" (1/1) ... [2021-10-28 23:42:40,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:42:40" (1/1) ... [2021-10-28 23:42:40,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:42:40,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:42:40,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:42:40,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:42:40,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:42:40" (1/1) ... [2021-10-28 23:42:40,321 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:42:40,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85acda6-55b9-4609-be9c-7e218416088a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:42:40,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85acda6-55b9-4609-be9c-7e218416088a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:42:40,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85acda6-55b9-4609-be9c-7e218416088a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:42:40,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:42:40,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:42:40,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:42:40,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:42:41,105 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:42:41,109 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-10-28 23:42:41,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:42:41 BoogieIcfgContainer [2021-10-28 23:42:41,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:42:41,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:42:41,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:42:41,116 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:42:41,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:42:39" (1/3) ... [2021-10-28 23:42:41,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fbf41c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:42:41, skipping insertion in model container [2021-10-28 23:42:41,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:42:40" (2/3) ... [2021-10-28 23:42:41,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fbf41c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:42:41, skipping insertion in model container [2021-10-28 23:42:41,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:42:41" (3/3) ... [2021-10-28 23:42:41,122 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product02.cil.c [2021-10-28 23:42:41,127 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:42:41,127 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 23:42:41,171 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:42:41,177 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:42:41,178 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 23:42:41,192 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:42:41,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 23:42:41,197 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:42:41,198 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:42:41,198 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:42:41,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:42:41,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1537784819, now seen corresponding path program 1 times [2021-10-28 23:42:41,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:42:41,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012920475] [2021-10-28 23:42:41,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:42:41,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:42:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:42:41,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:42:41,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:42:41,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012920475] [2021-10-28 23:42:41,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012920475] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:42:41,517 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:42:41,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:42:41,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937436207] [2021-10-28 23:42:41,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:42:41,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:42:41,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:42:41,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:42:41,549 INFO L87 Difference]: Start difference. First operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:42:41,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:42:41,578 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-10-28 23:42:41,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:42:41,579 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-28 23:42:41,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:42:41,588 INFO L225 Difference]: With dead ends: 108 [2021-10-28 23:42:41,588 INFO L226 Difference]: Without dead ends: 53 [2021-10-28 23:42:41,591 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:42:41,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-28 23:42:41,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-28 23:42:41,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 50 states have (on average 1.44) internal successors, (72), 52 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:42:41,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2021-10-28 23:42:41,639 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2021-10-28 23:42:41,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:42:41,640 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2021-10-28 23:42:41,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:42:41,641 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-10-28 23:42:41,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 23:42:41,642 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:42:41,642 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:42:41,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:42:41,644 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:42:41,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:42:41,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1979941713, now seen corresponding path program 1 times [2021-10-28 23:42:41,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:42:41,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401692413] [2021-10-28 23:42:41,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:42:41,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:42:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:42:41,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:42:41,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:42:41,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401692413] [2021-10-28 23:42:41,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401692413] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:42:41,814 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:42:41,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:42:41,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906855713] [2021-10-28 23:42:41,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:42:41,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:42:41,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:42:41,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:42:41,817 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:42:41,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:42:41,830 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2021-10-28 23:42:41,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:42:41,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-28 23:42:41,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:42:41,832 INFO L225 Difference]: With dead ends: 53 [2021-10-28 23:42:41,832 INFO L226 Difference]: Without dead ends: 27 [2021-10-28 23:42:41,833 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:42:41,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-28 23:42:41,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-28 23:42:41,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:42:41,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2021-10-28 23:42:41,843 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2021-10-28 23:42:41,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:42:41,843 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-10-28 23:42:41,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:42:41,844 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-10-28 23:42:41,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 23:42:41,846 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:42:41,846 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:42:41,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:42:41,848 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:42:41,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:42:41,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2021-10-28 23:42:41,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:42:41,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757861653] [2021-10-28 23:42:41,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:42:41,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:42:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:42:41,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:42:41,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:42:41,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757861653] [2021-10-28 23:42:41,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757861653] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:42:42,000 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:42:42,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:42:42,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362833275] [2021-10-28 23:42:42,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:42:42,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:42:42,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:42:42,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:42:42,002 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:42:42,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:42:42,120 INFO L93 Difference]: Finished difference Result 109 states and 167 transitions. [2021-10-28 23:42:42,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:42:42,121 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-28 23:42:42,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:42:42,123 INFO L225 Difference]: With dead ends: 109 [2021-10-28 23:42:42,125 INFO L226 Difference]: Without dead ends: 88 [2021-10-28 23:42:42,125 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:42:42,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-10-28 23:42:42,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 44. [2021-10-28 23:42:42,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.441860465116279) internal successors, (62), 43 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:42:42,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 62 transitions. [2021-10-28 23:42:42,140 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 62 transitions. Word has length 22 [2021-10-28 23:42:42,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:42:42,140 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 62 transitions. [2021-10-28 23:42:42,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:42:42,141 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2021-10-28 23:42:42,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-28 23:42:42,142 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:42:42,143 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:42:42,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:42:42,143 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:42:42,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:42:42,144 INFO L85 PathProgramCache]: Analyzing trace with hash 703007878, now seen corresponding path program 1 times [2021-10-28 23:42:42,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:42:42,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784544234] [2021-10-28 23:42:42,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:42:42,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:42:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:42:42,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:42:42,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:42:42,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784544234] [2021-10-28 23:42:42,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784544234] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:42:42,257 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:42:42,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:42:42,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846451647] [2021-10-28 23:42:42,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:42:42,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:42:42,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:42:42,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:42:42,261 INFO L87 Difference]: Start difference. First operand 44 states and 62 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:42:42,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:42:42,324 INFO L93 Difference]: Finished difference Result 130 states and 193 transitions. [2021-10-28 23:42:42,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:42:42,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-28 23:42:42,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:42:42,327 INFO L225 Difference]: With dead ends: 130 [2021-10-28 23:42:42,327 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:42:42,329 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:42:42,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:42:42,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:42:42,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:42:42,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:42:42,330 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-28 23:42:42,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:42:42,331 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:42:42,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:42:42,331 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:42:42,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:42:42,334 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:42:42,335 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:42:42,335 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:42:42,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:42:42,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:42:42,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:42:42,543 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 491) no Hoare annotation was computed. [2021-10-28 23:42:42,543 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:42:42,543 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 330) no Hoare annotation was computed. [2021-10-28 23:42:42,543 INFO L853 garLoopResultBuilder]: At program point L169(lines 168 187) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 23:42:42,543 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 169 175) no Hoare annotation was computed. [2021-10-28 23:42:42,544 INFO L853 garLoopResultBuilder]: At program point L169-2(lines 168 187) the Hoare annotation is: false [2021-10-28 23:42:42,544 INFO L853 garLoopResultBuilder]: At program point L169-3(lines 168 187) the Hoare annotation is: false [2021-10-28 23:42:42,544 INFO L853 garLoopResultBuilder]: At program point L450(lines 445 453) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 23:42:42,545 INFO L853 garLoopResultBuilder]: At program point L450-1(lines 445 453) the Hoare annotation is: false [2021-10-28 23:42:42,545 INFO L853 garLoopResultBuilder]: At program point L450-2(lines 445 453) the Hoare annotation is: false [2021-10-28 23:42:42,545 INFO L853 garLoopResultBuilder]: At program point L401(lines 396 404) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0)) [2021-10-28 23:42:42,545 INFO L853 garLoopResultBuilder]: At program point L335(lines 286 336) the Hoare annotation is: false [2021-10-28 23:42:42,545 INFO L857 garLoopResultBuilder]: For program point L353(lines 353 366) no Hoare annotation was computed. [2021-10-28 23:42:42,546 INFO L853 garLoopResultBuilder]: At program point L353-1(lines 1 860) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 23:42:42,546 INFO L857 garLoopResultBuilder]: For program point L353-2(lines 353 366) no Hoare annotation was computed. [2021-10-28 23:42:42,547 INFO L853 garLoopResultBuilder]: At program point L353-3(lines 1 860) the Hoare annotation is: false [2021-10-28 23:42:42,547 INFO L857 garLoopResultBuilder]: For program point L353-4(lines 353 366) no Hoare annotation was computed. [2021-10-28 23:42:42,547 INFO L853 garLoopResultBuilder]: At program point L353-5(lines 1 860) the Hoare annotation is: false [2021-10-28 23:42:42,547 INFO L857 garLoopResultBuilder]: For program point L288(lines 287 334) no Hoare annotation was computed. [2021-10-28 23:42:42,547 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 441) no Hoare annotation was computed. [2021-10-28 23:42:42,547 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-10-28 23:42:42,548 INFO L860 garLoopResultBuilder]: At program point L140-1(lines 140 147) the Hoare annotation is: true [2021-10-28 23:42:42,548 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 293) no Hoare annotation was computed. [2021-10-28 23:42:42,548 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:42:42,548 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 491) no Hoare annotation was computed. [2021-10-28 23:42:42,548 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 313) no Hoare annotation was computed. [2021-10-28 23:42:42,548 INFO L853 garLoopResultBuilder]: At program point L307-1(lines 307 313) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 23:42:42,549 INFO L857 garLoopResultBuilder]: For program point L357(lines 357 363) no Hoare annotation was computed. [2021-10-28 23:42:42,549 INFO L857 garLoopResultBuilder]: For program point L357-2(lines 357 363) no Hoare annotation was computed. [2021-10-28 23:42:42,550 INFO L857 garLoopResultBuilder]: For program point L357-4(lines 357 363) no Hoare annotation was computed. [2021-10-28 23:42:42,553 INFO L853 garLoopResultBuilder]: At program point L176(lines 176 182) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 23:42:42,553 INFO L853 garLoopResultBuilder]: At program point L176-1(lines 176 182) the Hoare annotation is: false [2021-10-28 23:42:42,553 INFO L853 garLoopResultBuilder]: At program point L176-2(lines 176 182) the Hoare annotation is: false [2021-10-28 23:42:42,554 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 329) no Hoare annotation was computed. [2021-10-28 23:42:42,554 INFO L853 garLoopResultBuilder]: At program point L325-2(lines 169 175) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 23:42:42,554 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:42:42,554 INFO L857 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-10-28 23:42:42,554 INFO L857 garLoopResultBuilder]: For program point L491-1(line 491) no Hoare annotation was computed. [2021-10-28 23:42:42,554 INFO L857 garLoopResultBuilder]: For program point L425(lines 425 429) no Hoare annotation was computed. [2021-10-28 23:42:42,555 INFO L857 garLoopResultBuilder]: For program point L491-2(line 491) no Hoare annotation was computed. [2021-10-28 23:42:42,555 INFO L853 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: false [2021-10-28 23:42:42,555 INFO L853 garLoopResultBuilder]: At program point L393(lines 1 860) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0)) [2021-10-28 23:42:42,555 INFO L853 garLoopResultBuilder]: At program point L228(lines 223 231) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-10-28 23:42:42,555 INFO L853 garLoopResultBuilder]: At program point L228-1(lines 223 231) the Hoare annotation is: false [2021-10-28 23:42:42,556 INFO L853 garLoopResultBuilder]: At program point L228-2(lines 223 231) the Hoare annotation is: false [2021-10-28 23:42:42,556 INFO L857 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-10-28 23:42:42,556 INFO L853 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0)) [2021-10-28 23:42:42,556 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:42:42,556 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 491) no Hoare annotation was computed. [2021-10-28 23:42:42,556 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 303) no Hoare annotation was computed. [2021-10-28 23:42:42,557 INFO L853 garLoopResultBuilder]: At program point L297-1(lines 297 303) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 23:42:42,557 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-28 23:42:42,557 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 169 175) no Hoare annotation was computed. [2021-10-28 23:42:42,557 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 417) no Hoare annotation was computed. [2021-10-28 23:42:42,557 INFO L857 garLoopResultBuilder]: For program point L413-3(lines 413 417) no Hoare annotation was computed. [2021-10-28 23:42:42,557 INFO L857 garLoopResultBuilder]: For program point L413-6(lines 413 417) no Hoare annotation was computed. [2021-10-28 23:42:42,558 INFO L860 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-10-28 23:42:42,561 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-10-28 23:42:42,562 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:42:42,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:42:42 BoogieIcfgContainer [2021-10-28 23:42:42,580 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:42:42,581 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:42:42,581 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:42:42,581 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:42:42,582 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:42:41" (3/4) ... [2021-10-28 23:42:42,585 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:42:42,603 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 23:42:42,604 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 23:42:42,604 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 23:42:42,605 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 23:42:42,605 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:42:42,606 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:42:42,606 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:42:42,636 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-10-28 23:42:42,675 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85acda6-55b9-4609-be9c-7e218416088a/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:42:42,676 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:42:42,678 INFO L168 Benchmark]: Toolchain (without parser) took 3088.59 ms. Allocated memory is still 111.1 MB. Free memory was 74.4 MB in the beginning and 50.2 MB in the end (delta: 24.2 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:42:42,679 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 111.1 MB. Free memory is still 91.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:42:42,679 INFO L168 Benchmark]: CACSL2BoogieTranslator took 557.60 ms. Allocated memory is still 111.1 MB. Free memory was 74.2 MB in the beginning and 78.1 MB in the end (delta: -3.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:42:42,680 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.57 ms. Allocated memory is still 111.1 MB. Free memory was 78.1 MB in the beginning and 75.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:42:42,680 INFO L168 Benchmark]: Boogie Preprocessor took 63.92 ms. Allocated memory is still 111.1 MB. Free memory was 75.4 MB in the beginning and 73.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:42:42,681 INFO L168 Benchmark]: RCFGBuilder took 801.58 ms. Allocated memory is still 111.1 MB. Free memory was 73.6 MB in the beginning and 80.9 MB in the end (delta: -7.3 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:42:42,681 INFO L168 Benchmark]: TraceAbstraction took 1467.45 ms. Allocated memory is still 111.1 MB. Free memory was 80.4 MB in the beginning and 55.8 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:42:42,683 INFO L168 Benchmark]: Witness Printer took 94.61 ms. Allocated memory is still 111.1 MB. Free memory was 55.8 MB in the beginning and 50.2 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:42:42,686 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 111.1 MB. Free memory is still 91.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 557.60 ms. Allocated memory is still 111.1 MB. Free memory was 74.2 MB in the beginning and 78.1 MB in the end (delta: -3.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.57 ms. Allocated memory is still 111.1 MB. Free memory was 78.1 MB in the beginning and 75.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.92 ms. Allocated memory is still 111.1 MB. Free memory was 75.4 MB in the beginning and 73.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 801.58 ms. Allocated memory is still 111.1 MB. Free memory was 73.6 MB in the beginning and 80.9 MB in the end (delta: -7.3 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1467.45 ms. Allocated memory is still 111.1 MB. Free memory was 80.4 MB in the beginning and 55.8 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. * Witness Printer took 94.61 ms. Allocated memory is still 111.1 MB. Free memory was 55.8 MB in the beginning and 50.2 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 491]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 491]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 491]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 217 SDtfs, 214 SDslu, 219 SDs, 0 SdLazy, 33 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 66 NumberOfFragments, 94 HoareAnnotationTreeSize, 25 FomulaSimplifications, 1010 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: pumpRunning == 0 && methaneLevelCritical == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: pumpRunning == 0 && methaneLevelCritical == 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && methaneLevelCritical == 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 23:42:42,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85acda6-55b9-4609-be9c-7e218416088a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...