./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.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_d6137d41-9da4-4b85-a23a-285b614ff2ad/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6137d41-9da4-4b85-a23a-285b614ff2ad/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6137d41-9da4-4b85-a23a-285b614ff2ad/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6137d41-9da4-4b85-a23a-285b614ff2ad/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6137d41-9da4-4b85-a23a-285b614ff2ad/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6137d41-9da4-4b85-a23a-285b614ff2ad/bin/uautomizer-UnR33cPsHg --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 4ef00a1384831ff7ef4c918e957ad9d5bbb60c08f91b05efbf00076fbc049000 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:16:43,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:16:43,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:16:43,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:16:43,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:16:43,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:16:43,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:16:43,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:16:43,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:16:43,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:16:43,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:16:43,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:16:43,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:16:43,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:16:43,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:16:43,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:16:43,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:16:43,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:16:43,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:16:43,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:16:43,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:16:43,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:16:43,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:16:43,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:16:43,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:16:43,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:16:43,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:16:43,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:16:43,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:16:43,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:16:43,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:16:43,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:16:43,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:16:43,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:16:43,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:16:43,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:16:43,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:16:43,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:16:43,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:16:43,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:16:43,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:16:43,169 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6137d41-9da4-4b85-a23a-285b614ff2ad/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:16:43,211 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:16:43,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:16:43,216 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:16:43,216 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:16:43,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:16:43,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:16:43,218 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:16:43,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:16:43,218 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:16:43,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:16:43,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:16:43,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:16:43,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:16:43,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:16:43,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:16:43,221 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:16:43,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:16:43,221 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:16:43,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:16:43,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:16:43,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:16:43,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:16:43,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:16:43,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:16:43,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:16:43,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:16:43,223 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:16:43,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:16:43,224 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:16:43,225 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:16:43,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:16:43,226 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:16:43,226 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_d6137d41-9da4-4b85-a23a-285b614ff2ad/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6137d41-9da4-4b85-a23a-285b614ff2ad/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef00a1384831ff7ef4c918e957ad9d5bbb60c08f91b05efbf00076fbc049000 [2021-10-28 09:16:43,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:16:43,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:16:43,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:16:43,568 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:16:43,569 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:16:43,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6137d41-9da4-4b85-a23a-285b614ff2ad/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2021-10-28 09:16:43,658 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6137d41-9da4-4b85-a23a-285b614ff2ad/bin/uautomizer-UnR33cPsHg/data/c224ec4f5/320cf561f25c4b12bf9fb9c9068d2e21/FLAG8c5e84275 [2021-10-28 09:16:44,170 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:16:44,171 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6137d41-9da4-4b85-a23a-285b614ff2ad/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2021-10-28 09:16:44,191 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6137d41-9da4-4b85-a23a-285b614ff2ad/bin/uautomizer-UnR33cPsHg/data/c224ec4f5/320cf561f25c4b12bf9fb9c9068d2e21/FLAG8c5e84275 [2021-10-28 09:16:44,493 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6137d41-9da4-4b85-a23a-285b614ff2ad/bin/uautomizer-UnR33cPsHg/data/c224ec4f5/320cf561f25c4b12bf9fb9c9068d2e21 [2021-10-28 09:16:44,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:16:44,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:16:44,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:16:44,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:16:44,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:16:44,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:16:44" (1/1) ... [2021-10-28 09:16:44,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7988c8e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:44, skipping insertion in model container [2021-10-28 09:16:44,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:16:44" (1/1) ... [2021-10-28 09:16:44,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:16:44,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:16:44,922 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_d6137d41-9da4-4b85-a23a-285b614ff2ad/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c[17451,17464] [2021-10-28 09:16:44,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:16:44,956 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:16:45,053 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_d6137d41-9da4-4b85-a23a-285b614ff2ad/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c[17451,17464] [2021-10-28 09:16:45,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:16:45,077 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:16:45,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:45 WrapperNode [2021-10-28 09:16:45,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:16:45,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:16:45,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:16:45,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:16:45,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:45" (1/1) ... [2021-10-28 09:16:45,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:45" (1/1) ... [2021-10-28 09:16:45,189 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:16:45,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:16:45,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:16:45,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:16:45,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:45" (1/1) ... [2021-10-28 09:16:45,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:45" (1/1) ... [2021-10-28 09:16:45,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:45" (1/1) ... [2021-10-28 09:16:45,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:45" (1/1) ... [2021-10-28 09:16:45,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:45" (1/1) ... [2021-10-28 09:16:45,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:45" (1/1) ... [2021-10-28 09:16:45,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:45" (1/1) ... [2021-10-28 09:16:45,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:16:45,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:16:45,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:16:45,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:16:45,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:45" (1/1) ... [2021-10-28 09:16:45,300 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:16:45,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6137d41-9da4-4b85-a23a-285b614ff2ad/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:16:45,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6137d41-9da4-4b85-a23a-285b614ff2ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:16:45,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6137d41-9da4-4b85-a23a-285b614ff2ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:16:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:16:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:16:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:16:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:16:46,339 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:16:46,344 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2021-10-28 09:16:46,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:16:46 BoogieIcfgContainer [2021-10-28 09:16:46,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:16:46,350 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:16:46,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:16:46,355 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:16:46,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:16:44" (1/3) ... [2021-10-28 09:16:46,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0510b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:16:46, skipping insertion in model container [2021-10-28 09:16:46,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:16:45" (2/3) ... [2021-10-28 09:16:46,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0510b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:16:46, skipping insertion in model container [2021-10-28 09:16:46,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:16:46" (3/3) ... [2021-10-28 09:16:46,360 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product24.cil.c [2021-10-28 09:16:46,372 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:16:46,372 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 09:16:46,421 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:16:46,427 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 09:16:46,427 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 09:16:46,443 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 107 states have (on average 1.5514018691588785) internal successors, (166), 110 states have internal predecessors, (166), 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 09:16:46,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 09:16:46,450 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:46,450 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:46,451 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 09:16:46,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:46,457 INFO L85 PathProgramCache]: Analyzing trace with hash 936723076, now seen corresponding path program 1 times [2021-10-28 09:16:46,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:46,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175185306] [2021-10-28 09:16:46,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:46,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:46,789 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 09:16:46,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:46,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175185306] [2021-10-28 09:16:46,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175185306] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:46,791 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:46,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:16:46,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115750054] [2021-10-28 09:16:46,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:16:46,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:46,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:16:46,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:16:46,817 INFO L87 Difference]: Start difference. First operand has 111 states, 107 states have (on average 1.5514018691588785) internal successors, (166), 110 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 09:16:46,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:46,852 INFO L93 Difference]: Finished difference Result 215 states and 324 transitions. [2021-10-28 09:16:46,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:16:46,853 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-10-28 09:16:46,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:46,866 INFO L225 Difference]: With dead ends: 215 [2021-10-28 09:16:46,866 INFO L226 Difference]: Without dead ends: 107 [2021-10-28 09:16:46,869 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 09:16:46,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-28 09:16:46,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-10-28 09:16:46,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 104 states have (on average 1.4807692307692308) internal successors, (154), 106 states have internal predecessors, (154), 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 09:16:46,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 154 transitions. [2021-10-28 09:16:46,924 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 154 transitions. Word has length 18 [2021-10-28 09:16:46,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:46,925 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 154 transitions. [2021-10-28 09:16:46,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 09:16:46,925 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 154 transitions. [2021-10-28 09:16:46,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 09:16:46,929 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:46,929 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:46,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:16:46,930 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 09:16:46,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:46,933 INFO L85 PathProgramCache]: Analyzing trace with hash 717887107, now seen corresponding path program 1 times [2021-10-28 09:16:46,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:46,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487201078] [2021-10-28 09:16:46,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:46,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:47,094 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 09:16:47,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:47,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487201078] [2021-10-28 09:16:47,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487201078] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:47,096 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:47,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:47,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424473854] [2021-10-28 09:16:47,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:47,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:47,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:47,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:47,102 INFO L87 Difference]: Start difference. First operand 107 states and 154 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:47,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:47,125 INFO L93 Difference]: Finished difference Result 107 states and 154 transitions. [2021-10-28 09:16:47,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:47,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-28 09:16:47,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:47,128 INFO L225 Difference]: With dead ends: 107 [2021-10-28 09:16:47,129 INFO L226 Difference]: Without dead ends: 47 [2021-10-28 09:16:47,130 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 09:16:47,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-28 09:16:47,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-28 09:16:47,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 46 states have internal predecessors, (67), 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 09:16:47,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-10-28 09:16:47,144 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 19 [2021-10-28 09:16:47,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:47,145 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-10-28 09:16:47,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:47,145 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-10-28 09:16:47,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 09:16:47,147 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:47,147 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:47,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:16:47,149 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 09:16:47,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:47,150 INFO L85 PathProgramCache]: Analyzing trace with hash 2097278400, now seen corresponding path program 1 times [2021-10-28 09:16:47,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:47,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897158367] [2021-10-28 09:16:47,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:47,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:47,269 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 09:16:47,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:47,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897158367] [2021-10-28 09:16:47,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897158367] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:47,274 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:47,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:16:47,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336704721] [2021-10-28 09:16:47,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:16:47,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:47,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:16:47,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:16:47,278 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 09:16:47,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:47,354 INFO L93 Difference]: Finished difference Result 127 states and 187 transitions. [2021-10-28 09:16:47,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:16:47,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 24 [2021-10-28 09:16:47,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:47,358 INFO L225 Difference]: With dead ends: 127 [2021-10-28 09:16:47,358 INFO L226 Difference]: Without dead ends: 87 [2021-10-28 09:16:47,359 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 09:16:47,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-10-28 09:16:47,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2021-10-28 09:16:47,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.4878048780487805) internal successors, (122), 82 states have internal predecessors, (122), 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 09:16:47,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 122 transitions. [2021-10-28 09:16:47,373 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 122 transitions. Word has length 24 [2021-10-28 09:16:47,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:47,373 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 122 transitions. [2021-10-28 09:16:47,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 09:16:47,374 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 122 transitions. [2021-10-28 09:16:47,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 09:16:47,376 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:47,376 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:47,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:16:47,376 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 09:16:47,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:47,377 INFO L85 PathProgramCache]: Analyzing trace with hash 36896594, now seen corresponding path program 1 times [2021-10-28 09:16:47,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:47,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698966624] [2021-10-28 09:16:47,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:47,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:47,494 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 09:16:47,495 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:47,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698966624] [2021-10-28 09:16:47,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698966624] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:47,500 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:47,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:16:47,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850263946] [2021-10-28 09:16:47,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:16:47,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:47,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:16:47,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:16:47,502 INFO L87 Difference]: Start difference. First operand 83 states and 122 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:47,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:47,660 INFO L93 Difference]: Finished difference Result 409 states and 623 transitions. [2021-10-28 09:16:47,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:16:47,661 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-28 09:16:47,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:47,666 INFO L225 Difference]: With dead ends: 409 [2021-10-28 09:16:47,667 INFO L226 Difference]: Without dead ends: 333 [2021-10-28 09:16:47,671 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 09:16:47,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2021-10-28 09:16:47,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 151. [2021-10-28 09:16:47,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 150 states have (on average 1.48) internal successors, (222), 150 states have internal predecessors, (222), 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 09:16:47,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 222 transitions. [2021-10-28 09:16:47,706 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 222 transitions. Word has length 26 [2021-10-28 09:16:47,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:47,707 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 222 transitions. [2021-10-28 09:16:47,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:47,707 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 222 transitions. [2021-10-28 09:16:47,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-28 09:16:47,715 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:16:47,715 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:16:47,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:16:47,716 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:16:47,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:16:47,718 INFO L85 PathProgramCache]: Analyzing trace with hash -979197478, now seen corresponding path program 1 times [2021-10-28 09:16:47,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:16:47,719 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611874539] [2021-10-28 09:16:47,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:16:47,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:16:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:16:47,780 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 09:16:47,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:16:47,780 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611874539] [2021-10-28 09:16:47,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611874539] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:16:47,781 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:16:47,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:16:47,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441498222] [2021-10-28 09:16:47,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:16:47,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:16:47,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:16:47,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:16:47,782 INFO L87 Difference]: Start difference. First operand 151 states and 222 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:47,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:16:47,842 INFO L93 Difference]: Finished difference Result 359 states and 544 transitions. [2021-10-28 09:16:47,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:16:47,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-28 09:16:47,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:16:47,843 INFO L225 Difference]: With dead ends: 359 [2021-10-28 09:16:47,844 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:16:47,845 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 09:16:47,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:16:47,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:16:47,845 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 09:16:47,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:16:47,846 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-10-28 09:16:47,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:16:47,846 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:16:47,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:16:47,846 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:16:47,846 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:16:47,849 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:16:47,849 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:16:47,850 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:16:47,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:16:47,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:16:47,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,883 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:47,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:48,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:48,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:48,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:48,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:48,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:48,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:48,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:48,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:16:48,188 INFO L857 garLoopResultBuilder]: For program point L101-4(lines 101 118) no Hoare annotation was computed. [2021-10-28 09:16:48,188 INFO L857 garLoopResultBuilder]: For program point L101-5(lines 101 118) no Hoare annotation was computed. [2021-10-28 09:16:48,188 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 881) no Hoare annotation was computed. [2021-10-28 09:16:48,189 INFO L853 garLoopResultBuilder]: At program point L69(lines 68 87) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:16:48,189 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 69 75) no Hoare annotation was computed. [2021-10-28 09:16:48,189 INFO L853 garLoopResultBuilder]: At program point L69-2(lines 68 87) the Hoare annotation is: false [2021-10-28 09:16:48,189 INFO L853 garLoopResultBuilder]: At program point L69-3(lines 68 87) the Hoare annotation is: false [2021-10-28 09:16:48,189 INFO L853 garLoopResultBuilder]: At program point L235(lines 220 238) the Hoare annotation is: false [2021-10-28 09:16:48,189 INFO L853 garLoopResultBuilder]: At program point L235-1(lines 220 238) the Hoare annotation is: false [2021-10-28 09:16:48,189 INFO L853 garLoopResultBuilder]: At program point L235-2(lines 220 238) the Hoare annotation is: false [2021-10-28 09:16:48,190 INFO L853 garLoopResultBuilder]: At program point L235-3(lines 220 238) the Hoare annotation is: false [2021-10-28 09:16:48,190 INFO L853 garLoopResultBuilder]: At program point L235-4(lines 220 238) the Hoare annotation is: false [2021-10-28 09:16:48,190 INFO L853 garLoopResultBuilder]: At program point L235-5(lines 220 238) the Hoare annotation is: false [2021-10-28 09:16:48,190 INFO L853 garLoopResultBuilder]: At program point L930(lines 925 933) the Hoare annotation is: false [2021-10-28 09:16:48,190 INFO L853 garLoopResultBuilder]: At program point L930-1(lines 925 933) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:16:48,190 INFO L853 garLoopResultBuilder]: At program point L930-2(lines 925 933) the Hoare annotation is: false [2021-10-28 09:16:48,190 INFO L853 garLoopResultBuilder]: At program point L930-3(lines 925 933) the Hoare annotation is: false [2021-10-28 09:16:48,191 INFO L853 garLoopResultBuilder]: At program point L798(lines 794 800) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 09:16:48,191 INFO L853 garLoopResultBuilder]: At program point L930-4(lines 925 933) the Hoare annotation is: false [2021-10-28 09:16:48,191 INFO L853 garLoopResultBuilder]: At program point L930-5(lines 925 933) the Hoare annotation is: false [2021-10-28 09:16:48,191 INFO L853 garLoopResultBuilder]: At program point L171(lines 164 174) the Hoare annotation is: false [2021-10-28 09:16:48,191 INFO L853 garLoopResultBuilder]: At program point L171-1(lines 164 174) the Hoare annotation is: false [2021-10-28 09:16:48,191 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 113) no Hoare annotation was computed. [2021-10-28 09:16:48,191 INFO L853 garLoopResultBuilder]: At program point L171-2(lines 164 174) the Hoare annotation is: false [2021-10-28 09:16:48,191 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 105 113) no Hoare annotation was computed. [2021-10-28 09:16:48,191 INFO L857 garLoopResultBuilder]: For program point L105-2(lines 105 113) no Hoare annotation was computed. [2021-10-28 09:16:48,192 INFO L857 garLoopResultBuilder]: For program point L105-3(lines 105 113) no Hoare annotation was computed. [2021-10-28 09:16:48,192 INFO L857 garLoopResultBuilder]: For program point L105-4(lines 105 113) no Hoare annotation was computed. [2021-10-28 09:16:48,193 INFO L857 garLoopResultBuilder]: For program point L105-5(lines 105 113) no Hoare annotation was computed. [2021-10-28 09:16:48,193 INFO L860 garLoopResultBuilder]: At program point L832(lines 813 835) the Hoare annotation is: true [2021-10-28 09:16:48,193 INFO L853 garLoopResultBuilder]: At program point L734(lines 729 737) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 09:16:48,193 INFO L857 garLoopResultBuilder]: For program point L306(lines 306 321) no Hoare annotation was computed. [2021-10-28 09:16:48,193 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 881) no Hoare annotation was computed. [2021-10-28 09:16:48,194 INFO L853 garLoopResultBuilder]: At program point L76(lines 76 82) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:16:48,194 INFO L853 garLoopResultBuilder]: At program point L76-1(lines 76 82) the Hoare annotation is: false [2021-10-28 09:16:48,194 INFO L853 garLoopResultBuilder]: At program point L76-2(lines 76 82) the Hoare annotation is: false [2021-10-28 09:16:48,194 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 249) no Hoare annotation was computed. [2021-10-28 09:16:48,194 INFO L853 garLoopResultBuilder]: At program point L243-1(lines 243 249) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:16:48,195 INFO L857 garLoopResultBuilder]: For program point L277(lines 276 325) no Hoare annotation was computed. [2021-10-28 09:16:48,195 INFO L853 garLoopResultBuilder]: At program point L971(lines 966 974) the Hoare annotation is: false [2021-10-28 09:16:48,195 INFO L853 garLoopResultBuilder]: At program point L971-1(lines 966 974) the Hoare annotation is: false [2021-10-28 09:16:48,195 INFO L857 garLoopResultBuilder]: For program point L905(lines 905 909) no Hoare annotation was computed. [2021-10-28 09:16:48,195 INFO L853 garLoopResultBuilder]: At program point L971-2(lines 966 974) the Hoare annotation is: false [2021-10-28 09:16:48,195 INFO L853 garLoopResultBuilder]: At program point L971-3(lines 966 974) the Hoare annotation is: false [2021-10-28 09:16:48,196 INFO L853 garLoopResultBuilder]: At program point L971-4(lines 966 974) the Hoare annotation is: false [2021-10-28 09:16:48,196 INFO L853 garLoopResultBuilder]: At program point L971-5(lines 966 974) the Hoare annotation is: false [2021-10-28 09:16:48,196 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 282) no Hoare annotation was computed. [2021-10-28 09:16:48,196 INFO L853 garLoopResultBuilder]: At program point L180(lines 175 183) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-10-28 09:16:48,196 INFO L853 garLoopResultBuilder]: At program point L180-1(lines 175 183) the Hoare annotation is: false [2021-10-28 09:16:48,197 INFO L853 garLoopResultBuilder]: At program point L180-2(lines 175 183) the Hoare annotation is: false [2021-10-28 09:16:48,197 INFO L857 garLoopResultBuilder]: For program point L314(lines 314 320) no Hoare annotation was computed. [2021-10-28 09:16:48,197 INFO L853 garLoopResultBuilder]: At program point L314-1(lines 69 75) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:16:48,197 INFO L853 garLoopResultBuilder]: At program point L844(lines 839 846) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 09:16:48,197 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:16:48,198 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 292) no Hoare annotation was computed. [2021-10-28 09:16:48,198 INFO L853 garLoopResultBuilder]: At program point L286-1(lines 286 292) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:16:48,198 INFO L857 garLoopResultBuilder]: For program point L881(line 881) no Hoare annotation was computed. [2021-10-28 09:16:48,198 INFO L857 garLoopResultBuilder]: For program point L881-1(line 881) no Hoare annotation was computed. [2021-10-28 09:16:48,198 INFO L857 garLoopResultBuilder]: For program point L881-2(line 881) no Hoare annotation was computed. [2021-10-28 09:16:48,199 INFO L853 garLoopResultBuilder]: At program point L750-2(lines 750 764) the Hoare annotation is: false [2021-10-28 09:16:48,199 INFO L857 garLoopResultBuilder]: For program point L751(line 751) no Hoare annotation was computed. [2021-10-28 09:16:48,199 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:16:48,199 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 921) no Hoare annotation was computed. [2021-10-28 09:16:48,199 INFO L857 garLoopResultBuilder]: For program point L754(lines 754 758) no Hoare annotation was computed. [2021-10-28 09:16:48,199 INFO L857 garLoopResultBuilder]: For program point L754-1(lines 69 75) no Hoare annotation was computed. [2021-10-28 09:16:48,200 INFO L857 garLoopResultBuilder]: For program point L127(lines 127 144) no Hoare annotation was computed. [2021-10-28 09:16:48,200 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 127 144) no Hoare annotation was computed. [2021-10-28 09:16:48,200 INFO L857 garLoopResultBuilder]: For program point L127-2(lines 127 144) no Hoare annotation was computed. [2021-10-28 09:16:48,200 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:16:48,200 INFO L853 garLoopResultBuilder]: At program point L326(lines 275 327) the Hoare annotation is: false [2021-10-28 09:16:48,216 INFO L857 garLoopResultBuilder]: For program point L855(lines 855 872) no Hoare annotation was computed. [2021-10-28 09:16:48,216 INFO L853 garLoopResultBuilder]: At program point L855-1(lines 1 974) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:16:48,216 INFO L857 garLoopResultBuilder]: For program point L855-2(lines 855 872) no Hoare annotation was computed. [2021-10-28 09:16:48,217 INFO L853 garLoopResultBuilder]: At program point L855-3(lines 1 974) the Hoare annotation is: false [2021-10-28 09:16:48,217 INFO L857 garLoopResultBuilder]: For program point L855-4(lines 855 872) no Hoare annotation was computed. [2021-10-28 09:16:48,217 INFO L853 garLoopResultBuilder]: At program point L855-5(lines 1 974) the Hoare annotation is: false [2021-10-28 09:16:48,217 INFO L857 garLoopResultBuilder]: For program point L823(lines 823 830) no Hoare annotation was computed. [2021-10-28 09:16:48,217 INFO L860 garLoopResultBuilder]: At program point L823-1(lines 823 830) the Hoare annotation is: true [2021-10-28 09:16:48,217 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 233) no Hoare annotation was computed. [2021-10-28 09:16:48,218 INFO L857 garLoopResultBuilder]: For program point L229-2(lines 229 233) no Hoare annotation was computed. [2021-10-28 09:16:48,218 INFO L857 garLoopResultBuilder]: For program point L229-3(lines 229 233) no Hoare annotation was computed. [2021-10-28 09:16:48,218 INFO L857 garLoopResultBuilder]: For program point L229-5(lines 229 233) no Hoare annotation was computed. [2021-10-28 09:16:48,218 INFO L857 garLoopResultBuilder]: For program point L229-6(lines 229 233) no Hoare annotation was computed. [2021-10-28 09:16:48,218 INFO L857 garLoopResultBuilder]: For program point L229-8(lines 229 233) no Hoare annotation was computed. [2021-10-28 09:16:48,218 INFO L857 garLoopResultBuilder]: For program point L229-9(lines 229 233) no Hoare annotation was computed. [2021-10-28 09:16:48,219 INFO L857 garLoopResultBuilder]: For program point L229-11(lines 229 233) no Hoare annotation was computed. [2021-10-28 09:16:48,219 INFO L857 garLoopResultBuilder]: For program point L229-12(lines 229 233) no Hoare annotation was computed. [2021-10-28 09:16:48,219 INFO L857 garLoopResultBuilder]: For program point L229-14(lines 229 233) no Hoare annotation was computed. [2021-10-28 09:16:48,219 INFO L857 garLoopResultBuilder]: For program point L229-15(lines 229 233) no Hoare annotation was computed. [2021-10-28 09:16:48,219 INFO L857 garLoopResultBuilder]: For program point L229-17(lines 229 233) no Hoare annotation was computed. [2021-10-28 09:16:48,219 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 302) no Hoare annotation was computed. [2021-10-28 09:16:48,220 INFO L853 garLoopResultBuilder]: At program point L296-1(lines 296 302) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:16:48,220 INFO L857 garLoopResultBuilder]: For program point L131(lines 131 139) no Hoare annotation was computed. [2021-10-28 09:16:48,220 INFO L857 garLoopResultBuilder]: For program point L131-1(lines 131 139) no Hoare annotation was computed. [2021-10-28 09:16:48,220 INFO L857 garLoopResultBuilder]: For program point L131-2(lines 131 139) no Hoare annotation was computed. [2021-10-28 09:16:48,220 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:16:48,221 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 881) no Hoare annotation was computed. [2021-10-28 09:16:48,221 INFO L853 garLoopResultBuilder]: At program point L726(lines 1 974) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 09:16:48,221 INFO L857 garLoopResultBuilder]: For program point L859(lines 859 869) no Hoare annotation was computed. [2021-10-28 09:16:48,221 INFO L857 garLoopResultBuilder]: For program point L859-2(lines 859 869) no Hoare annotation was computed. [2021-10-28 09:16:48,221 INFO L857 garLoopResultBuilder]: For program point L859-4(lines 859 869) no Hoare annotation was computed. [2021-10-28 09:16:48,221 INFO L857 garLoopResultBuilder]: For program point L893(lines 893 897) no Hoare annotation was computed. [2021-10-28 09:16:48,222 INFO L857 garLoopResultBuilder]: For program point L860(lines 860 866) no Hoare annotation was computed. [2021-10-28 09:16:48,222 INFO L857 garLoopResultBuilder]: For program point L893-3(lines 893 897) no Hoare annotation was computed. [2021-10-28 09:16:48,222 INFO L857 garLoopResultBuilder]: For program point L860-2(lines 860 866) no Hoare annotation was computed. [2021-10-28 09:16:48,222 INFO L857 garLoopResultBuilder]: For program point L860-4(lines 860 866) no Hoare annotation was computed. [2021-10-28 09:16:48,222 INFO L857 garLoopResultBuilder]: For program point L893-6(lines 893 897) no Hoare annotation was computed. [2021-10-28 09:16:48,222 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 118) no Hoare annotation was computed. [2021-10-28 09:16:48,223 INFO L857 garLoopResultBuilder]: For program point L101-1(lines 101 118) no Hoare annotation was computed. [2021-10-28 09:16:48,223 INFO L857 garLoopResultBuilder]: For program point L101-2(lines 101 118) no Hoare annotation was computed. [2021-10-28 09:16:48,223 INFO L857 garLoopResultBuilder]: For program point L101-3(lines 101 118) no Hoare annotation was computed. [2021-10-28 09:16:48,228 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-28 09:16:48,229 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:16:48,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:16:48 BoogieIcfgContainer [2021-10-28 09:16:48,245 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:16:48,245 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:16:48,245 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:16:48,246 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:16:48,246 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:16:46" (3/4) ... [2021-10-28 09:16:48,249 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:16:48,266 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 09:16:48,267 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 09:16:48,269 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 09:16:48,270 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 09:16:48,271 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 09:16:48,272 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:16:48,273 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:16:48,308 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-10-28 09:16:48,384 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6137d41-9da4-4b85-a23a-285b614ff2ad/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:16:48,384 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:16:48,386 INFO L168 Benchmark]: Toolchain (without parser) took 3885.68 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 58.4 MB in the beginning and 62.8 MB in the end (delta: -4.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:16:48,387 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory was 51.6 MB in the beginning and 51.6 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:16:48,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 574.86 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 58.1 MB in the beginning and 84.7 MB in the end (delta: -26.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:16:48,388 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.23 ms. Allocated memory is still 117.4 MB. Free memory was 84.7 MB in the beginning and 81.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:16:48,388 INFO L168 Benchmark]: Boogie Preprocessor took 88.21 ms. Allocated memory is still 117.4 MB. Free memory was 81.2 MB in the beginning and 78.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:16:48,388 INFO L168 Benchmark]: RCFGBuilder took 1068.39 ms. Allocated memory is still 117.4 MB. Free memory was 78.4 MB in the beginning and 88.2 MB in the end (delta: -9.8 MB). Peak memory consumption was 46.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:16:48,389 INFO L168 Benchmark]: TraceAbstraction took 1894.64 ms. Allocated memory is still 117.4 MB. Free memory was 88.2 MB in the beginning and 72.5 MB in the end (delta: 15.7 MB). Peak memory consumption was 51.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:16:48,389 INFO L168 Benchmark]: Witness Printer took 139.07 ms. Allocated memory is still 117.4 MB. Free memory was 72.5 MB in the beginning and 62.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:16:48,392 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory was 51.6 MB in the beginning and 51.6 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 574.86 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 58.1 MB in the beginning and 84.7 MB in the end (delta: -26.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 110.23 ms. Allocated memory is still 117.4 MB. Free memory was 84.7 MB in the beginning and 81.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.21 ms. Allocated memory is still 117.4 MB. Free memory was 81.2 MB in the beginning and 78.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1068.39 ms. Allocated memory is still 117.4 MB. Free memory was 78.4 MB in the beginning and 88.2 MB in the end (delta: -9.8 MB). Peak memory consumption was 46.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1894.64 ms. Allocated memory is still 117.4 MB. Free memory was 88.2 MB in the beginning and 72.5 MB in the end (delta: 15.7 MB). Peak memory consumption was 51.6 MB. Max. memory is 16.1 GB. * Witness Printer took 139.07 ms. Allocated memory is still 117.4 MB. Free memory was 72.5 MB in the beginning and 62.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 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: 881]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 881]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 881]: 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, 111 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 451 SDtfs, 425 SDslu, 453 SDs, 0 SdLazy, 70 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=151occurred in iteration=4, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 186 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 131 NumberOfFragments, 138 HoareAnnotationTreeSize, 45 FomulaSimplifications, 2748 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 925]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 09:16:48,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6137d41-9da4-4b85-a23a-285b614ff2ad/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...