./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/bin/uautomizer-j4sWxH34Be --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 9e1f50e371f5b814186a57854319e9843da0975e82265b9caee22e9ced53be79 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:49:54,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:49:54,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:49:54,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:49:54,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:49:54,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:49:54,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:49:54,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:49:54,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:49:54,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:49:54,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:49:54,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:49:54,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:49:54,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:49:54,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:49:54,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:49:54,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:49:54,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:49:54,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:49:54,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:49:54,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:49:54,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:49:54,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:49:54,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:49:54,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:49:54,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:49:54,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:49:54,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:49:54,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:49:54,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:49:54,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:49:54,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:49:54,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:49:54,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:49:54,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:49:54,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:49:54,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:49:54,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:49:54,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:49:54,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:49:54,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:49:54,262 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:49:54,321 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:49:54,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:49:54,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:49:54,322 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:49:54,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:49:54,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:49:54,331 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:49:54,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:49:54,331 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:49:54,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:49:54,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:49:54,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:49:54,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:49:54,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:49:54,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:49:54,333 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:49:54,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:49:54,333 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:49:54,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:49:54,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:49:54,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:49:54,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:49:54,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:49:54,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:49:54,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:49:54,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:49:54,336 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:49:54,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:49:54,337 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:49:54,337 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:49:54,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:49:54,338 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:49:54,338 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_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e1f50e371f5b814186a57854319e9843da0975e82265b9caee22e9ced53be79 [2021-10-21 19:49:54,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:49:54,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:49:54,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:49:54,653 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:49:54,654 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:49:54,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2021-10-21 19:49:54,716 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/bin/uautomizer-j4sWxH34Be/data/45323e472/8dbdf88d384a44d99d1a504fd13183e4/FLAG35a5893e8 [2021-10-21 19:49:55,209 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:49:55,210 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c [2021-10-21 19:49:55,235 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/bin/uautomizer-j4sWxH34Be/data/45323e472/8dbdf88d384a44d99d1a504fd13183e4/FLAG35a5893e8 [2021-10-21 19:49:55,529 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/bin/uautomizer-j4sWxH34Be/data/45323e472/8dbdf88d384a44d99d1a504fd13183e4 [2021-10-21 19:49:55,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:49:55,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:49:55,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:49:55,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:49:55,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:49:55,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:49:55" (1/1) ... [2021-10-21 19:49:55,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f8d7ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:55, skipping insertion in model container [2021-10-21 19:49:55,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:49:55" (1/1) ... [2021-10-21 19:49:55,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:49:55,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:49:55,783 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_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c[1605,1618] [2021-10-21 19:49:55,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:49:55,902 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:49:55,916 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_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/sv-benchmarks/c/product-lines/minepump_spec4_product01.cil.c[1605,1618] [2021-10-21 19:49:56,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:49:56,034 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:49:56,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:56 WrapperNode [2021-10-21 19:49:56,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:49:56,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:49:56,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:49:56,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:49:56,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:56" (1/1) ... [2021-10-21 19:49:56,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:56" (1/1) ... [2021-10-21 19:49:56,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:49:56,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:49:56,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:49:56,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:49:56,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:56" (1/1) ... [2021-10-21 19:49:56,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:56" (1/1) ... [2021-10-21 19:49:56,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:56" (1/1) ... [2021-10-21 19:49:56,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:56" (1/1) ... [2021-10-21 19:49:56,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:56" (1/1) ... [2021-10-21 19:49:56,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:56" (1/1) ... [2021-10-21 19:49:56,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:56" (1/1) ... [2021-10-21 19:49:56,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:49:56,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:49:56,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:49:56,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:49:56,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:56" (1/1) ... [2021-10-21 19:49:56,218 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:49:56,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:49:56,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:49:56,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:49:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:49:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:49:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:49:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:49:57,161 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:49:57,162 INFO L299 CfgBuilder]: Removed 66 assume(true) statements. [2021-10-21 19:49:57,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:49:57 BoogieIcfgContainer [2021-10-21 19:49:57,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:49:57,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:49:57,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:49:57,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:49:57,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:49:55" (1/3) ... [2021-10-21 19:49:57,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@252f17b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:49:57, skipping insertion in model container [2021-10-21 19:49:57,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:49:56" (2/3) ... [2021-10-21 19:49:57,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@252f17b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:49:57, skipping insertion in model container [2021-10-21 19:49:57,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:49:57" (3/3) ... [2021-10-21 19:49:57,176 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product01.cil.c [2021-10-21 19:49:57,182 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:49:57,182 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-21 19:49:57,231 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:49:57,238 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 [2021-10-21 19:49:57,238 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-21 19:49:57,256 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:49:57,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-21 19:49:57,263 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:49:57,264 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:49:57,264 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:49:57,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:49:57,271 INFO L82 PathProgramCache]: Analyzing trace with hash 881855315, now seen corresponding path program 1 times [2021-10-21 19:49:57,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:49:57,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917613240] [2021-10-21 19:49:57,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:57,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:49:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:57,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:49:57,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:49:57,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917613240] [2021-10-21 19:49:57,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917613240] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:49:57,613 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:49:57,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:49:57,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440109849] [2021-10-21 19:49:57,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:49:57,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:49:57,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:49:57,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:49:57,635 INFO L87 Difference]: Start difference. First operand has 57 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:49:57,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:49:57,657 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2021-10-21 19:49:57,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:49:57,658 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-21 19:49:57,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:49:57,666 INFO L225 Difference]: With dead ends: 108 [2021-10-21 19:49:57,667 INFO L226 Difference]: Without dead ends: 53 [2021-10-21 19:49:57,669 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:49:57,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-21 19:49:57,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-21 19:49:57,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 50 states have (on average 1.44) internal successors, (72), 52 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:49:57,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2021-10-21 19:49:57,714 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2021-10-21 19:49:57,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:49:57,715 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2021-10-21 19:49:57,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:49:57,715 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2021-10-21 19:49:57,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-21 19:49:57,716 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:49:57,716 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:49:57,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:49:57,717 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:49:57,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:49:57,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1127498704, now seen corresponding path program 1 times [2021-10-21 19:49:57,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:49:57,719 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184638321] [2021-10-21 19:49:57,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:57,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:49:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:57,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:49:57,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:49:57,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184638321] [2021-10-21 19:49:57,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184638321] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:49:57,836 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:49:57,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:49:57,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521383552] [2021-10-21 19:49:57,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:49:57,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:49:57,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:49:57,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:49:57,840 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:49:57,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:49:57,860 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2021-10-21 19:49:57,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:49:57,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-21 19:49:57,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:49:57,864 INFO L225 Difference]: With dead ends: 53 [2021-10-21 19:49:57,864 INFO L226 Difference]: Without dead ends: 27 [2021-10-21 19:49:57,865 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:49:57,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-21 19:49:57,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-21 19:49:57,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:49:57,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2021-10-21 19:49:57,869 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2021-10-21 19:49:57,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:49:57,870 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2021-10-21 19:49:57,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:49:57,870 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-10-21 19:49:57,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-21 19:49:57,871 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:49:57,872 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:49:57,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:49:57,872 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:49:57,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:49:57,873 INFO L82 PathProgramCache]: Analyzing trace with hash -357317040, now seen corresponding path program 1 times [2021-10-21 19:49:57,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:49:57,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603143829] [2021-10-21 19:49:57,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:57,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:49:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:58,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:49:58,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:49:58,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603143829] [2021-10-21 19:49:58,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603143829] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:49:58,062 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:49:58,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 19:49:58,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52557256] [2021-10-21 19:49:58,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 19:49:58,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:49:58,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:49:58,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:49:58,066 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:49:58,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:49:58,421 INFO L93 Difference]: Finished difference Result 142 states and 221 transitions. [2021-10-21 19:49:58,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-21 19:49:58,421 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-21 19:49:58,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:49:58,425 INFO L225 Difference]: With dead ends: 142 [2021-10-21 19:49:58,425 INFO L226 Difference]: Without dead ends: 121 [2021-10-21 19:49:58,426 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 162.6ms TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-10-21 19:49:58,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-10-21 19:49:58,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 60. [2021-10-21 19:49:58,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.4406779661016949) internal successors, (85), 59 states have internal predecessors, (85), 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) [2021-10-21 19:49:58,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2021-10-21 19:49:58,440 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 22 [2021-10-21 19:49:58,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:49:58,441 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2021-10-21 19:49:58,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:49:58,441 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2021-10-21 19:49:58,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-21 19:49:58,442 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:49:58,442 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:49:58,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:49:58,443 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:49:58,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:49:58,443 INFO L82 PathProgramCache]: Analyzing trace with hash 444418065, now seen corresponding path program 1 times [2021-10-21 19:49:58,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:49:58,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183210295] [2021-10-21 19:49:58,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:58,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:49:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:58,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:49:58,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:49:58,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183210295] [2021-10-21 19:49:58,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183210295] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:49:58,548 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:49:58,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:49:58,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723274629] [2021-10-21 19:49:58,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:49:58,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:49:58,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:49:58,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:49:58,551 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:49:58,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:49:58,562 INFO L93 Difference]: Finished difference Result 95 states and 136 transitions. [2021-10-21 19:49:58,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:49:58,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-21 19:49:58,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:49:58,576 INFO L225 Difference]: With dead ends: 95 [2021-10-21 19:49:58,576 INFO L226 Difference]: Without dead ends: 57 [2021-10-21 19:49:58,577 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:49:58,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-21 19:49:58,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-21 19:49:58,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.375) internal successors, (77), 56 states have internal predecessors, (77), 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) [2021-10-21 19:49:58,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2021-10-21 19:49:58,587 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 23 [2021-10-21 19:49:58,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:49:58,587 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2021-10-21 19:49:58,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:49:58,588 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2021-10-21 19:49:58,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-21 19:49:58,589 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:49:58,589 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:49:58,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:49:58,590 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:49:58,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:49:58,613 INFO L82 PathProgramCache]: Analyzing trace with hash 587810131, now seen corresponding path program 1 times [2021-10-21 19:49:58,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:49:58,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746499332] [2021-10-21 19:49:58,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:58,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:49:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:58,741 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:49:58,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:49:58,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746499332] [2021-10-21 19:49:58,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746499332] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:49:58,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254018742] [2021-10-21 19:49:58,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:49:58,743 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:49:58,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:49:58,751 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:49:58,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:49:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:49:58,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:49:58,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:49:59,057 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:49:59,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254018742] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:49:59,057 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:49:59,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-10-21 19:49:59,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037329877] [2021-10-21 19:49:59,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:49:59,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:49:59,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:49:59,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:49:59,060 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:49:59,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:49:59,139 INFO L93 Difference]: Finished difference Result 73 states and 100 transitions. [2021-10-21 19:49:59,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:49:59,140 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-21 19:49:59,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:49:59,140 INFO L225 Difference]: With dead ends: 73 [2021-10-21 19:49:59,140 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:49:59,141 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:49:59,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:49:59,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:49:59,142 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) [2021-10-21 19:49:59,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:49:59,142 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2021-10-21 19:49:59,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:49:59,143 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:49:59,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:49:59,143 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:49:59,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:49:59,146 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:49:59,146 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:49:59,146 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:49:59,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:49:59,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:49:59,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:49:59,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:49:59,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:49:59,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:49:59,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:49:59,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:49:59,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:49:59,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:49:59,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:49:59,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:49:59,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:49:59,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:49:59,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:49:59,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:49:59,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:49:59,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:49:59,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:49:59,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:49:59,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:49:59,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:49:59,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:49:59,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:49:59,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:49:59,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:49:59,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:49:59,792 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-21 19:49:59,792 INFO L857 garLoopResultBuilder]: For program point L184(lines 184 191) no Hoare annotation was computed. [2021-10-21 19:49:59,793 INFO L860 garLoopResultBuilder]: At program point L184-1(lines 184 191) the Hoare annotation is: true [2021-10-21 19:49:59,793 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:49:59,793 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 479) no Hoare annotation was computed. [2021-10-21 19:49:59,793 INFO L853 garLoopResultBuilder]: At program point L466-1(lines 1 848) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~2 0))) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-10-21 19:49:59,793 INFO L857 garLoopResultBuilder]: For program point L466-2(lines 466 479) no Hoare annotation was computed. [2021-10-21 19:49:59,794 INFO L853 garLoopResultBuilder]: At program point L466-3(lines 1 848) the Hoare annotation is: false [2021-10-21 19:49:59,794 INFO L857 garLoopResultBuilder]: For program point L466-4(lines 466 479) no Hoare annotation was computed. [2021-10-21 19:49:59,794 INFO L853 garLoopResultBuilder]: At program point L466-5(lines 1 848) the Hoare annotation is: false [2021-10-21 19:49:59,794 INFO L857 garLoopResultBuilder]: For program point L384(lines 384 388) no Hoare annotation was computed. [2021-10-21 19:49:59,794 INFO L857 garLoopResultBuilder]: For program point L384-3(lines 384 388) no Hoare annotation was computed. [2021-10-21 19:49:59,794 INFO L853 garLoopResultBuilder]: At program point L219(lines 219 225) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-10-21 19:49:59,795 INFO L853 garLoopResultBuilder]: At program point L219-1(lines 219 225) the Hoare annotation is: false [2021-10-21 19:49:59,795 INFO L857 garLoopResultBuilder]: For program point L384-6(lines 384 388) no Hoare annotation was computed. [2021-10-21 19:49:59,795 INFO L853 garLoopResultBuilder]: At program point L219-2(lines 219 225) the Hoare annotation is: false [2021-10-21 19:49:59,795 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-21 19:49:59,795 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-21 19:49:59,795 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-21 19:49:59,795 INFO L853 garLoopResultBuilder]: At program point L368(lines 321 369) the Hoare annotation is: false [2021-10-21 19:49:59,796 INFO L857 garLoopResultBuilder]: For program point L352(lines 352 363) no Hoare annotation was computed. [2021-10-21 19:49:59,796 INFO L853 garLoopResultBuilder]: At program point L271(lines 266 274) the Hoare annotation is: false [2021-10-21 19:49:59,796 INFO L853 garLoopResultBuilder]: At program point L271-1(lines 266 274) the Hoare annotation is: false [2021-10-21 19:49:59,796 INFO L853 garLoopResultBuilder]: At program point L271-2(lines 266 274) the Hoare annotation is: false [2021-10-21 19:49:59,796 INFO L853 garLoopResultBuilder]: At program point L453(lines 448 456) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |ULTIMATE.start_getWaterLevel_#res| 0)))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2))) [2021-10-21 19:49:59,796 INFO L853 garLoopResultBuilder]: At program point L453-1(lines 448 456) the Hoare annotation is: false [2021-10-21 19:49:59,797 INFO L853 garLoopResultBuilder]: At program point L453-2(lines 448 456) the Hoare annotation is: false [2021-10-21 19:49:59,797 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 476) no Hoare annotation was computed. [2021-10-21 19:49:59,797 INFO L857 garLoopResultBuilder]: For program point L470-2(lines 470 476) no Hoare annotation was computed. [2021-10-21 19:49:59,797 INFO L857 garLoopResultBuilder]: For program point L470-4(lines 470 476) no Hoare annotation was computed. [2021-10-21 19:49:59,797 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:49:59,797 INFO L857 garLoopResultBuilder]: For program point L323(lines 322 367) no Hoare annotation was computed. [2021-10-21 19:49:59,798 INFO L853 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~waterLevel~0 1)) [2021-10-21 19:49:59,798 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-21 19:49:59,798 INFO L853 garLoopResultBuilder]: At program point L109-2(lines 109 123) the Hoare annotation is: false [2021-10-21 19:49:59,798 INFO L857 garLoopResultBuilder]: For program point L324(lines 324 328) no Hoare annotation was computed. [2021-10-21 19:49:59,798 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-21 19:49:59,798 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 362) no Hoare annotation was computed. [2021-10-21 19:49:59,798 INFO L857 garLoopResultBuilder]: For program point L358-2(lines 212 218) no Hoare annotation was computed. [2021-10-21 19:49:59,799 INFO L860 garLoopResultBuilder]: At program point L193(lines 174 196) the Hoare annotation is: true [2021-10-21 19:49:59,799 INFO L853 garLoopResultBuilder]: At program point L160(lines 156 162) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)) [2021-10-21 19:49:59,799 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:49:59,799 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 412) no Hoare annotation was computed. [2021-10-21 19:49:59,799 INFO L857 garLoopResultBuilder]: For program point L342(lines 342 348) no Hoare annotation was computed. [2021-10-21 19:49:59,799 INFO L853 garLoopResultBuilder]: At program point L342-1(lines 342 348) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-10-21 19:49:59,800 INFO L853 garLoopResultBuilder]: At program point L212(lines 211 230) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-10-21 19:49:59,800 INFO L857 garLoopResultBuilder]: For program point L212-1(lines 212 218) no Hoare annotation was computed. [2021-10-21 19:49:59,800 INFO L853 garLoopResultBuilder]: At program point L212-2(lines 211 230) the Hoare annotation is: false [2021-10-21 19:49:59,800 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 117) no Hoare annotation was computed. [2021-10-21 19:49:59,800 INFO L853 garLoopResultBuilder]: At program point L212-3(lines 211 230) the Hoare annotation is: false [2021-10-21 19:49:59,800 INFO L857 garLoopResultBuilder]: For program point L113-1(lines 212 218) no Hoare annotation was computed. [2021-10-21 19:49:59,800 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:49:59,801 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-21 19:49:59,801 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 400) no Hoare annotation was computed. [2021-10-21 19:49:59,810 INFO L853 garLoopResultBuilder]: At program point L84(lines 1 848) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1)) [2021-10-21 19:49:59,810 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 338) no Hoare annotation was computed. [2021-10-21 19:49:59,811 INFO L853 garLoopResultBuilder]: At program point L332-1(lines 332 338) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-10-21 19:49:59,815 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:49:59,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:49:59 BoogieIcfgContainer [2021-10-21 19:49:59,832 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:49:59,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:49:59,833 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:49:59,833 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:49:59,834 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:49:57" (3/4) ... [2021-10-21 19:49:59,837 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:49:59,849 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-21 19:49:59,850 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-21 19:49:59,850 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-21 19:49:59,851 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 19:49:59,851 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 19:49:59,852 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:49:59,852 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:49:59,882 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && \result == waterLevel) && waterLevel == 1 [2021-10-21 19:49:59,882 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1 [2021-10-21 19:49:59,882 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(tmp == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-10-21 19:49:59,883 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-10-21 19:49:59,884 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-10-21 19:49:59,884 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-10-21 19:49:59,884 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-10-21 19:49:59,886 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) [2021-10-21 19:49:59,939 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:49:59,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:49:59,941 INFO L168 Benchmark]: Toolchain (without parser) took 4406.43 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 54.0 MB in the beginning and 86.7 MB in the end (delta: -32.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:49:59,941 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 90.2 MB. Free memory is still 70.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:49:59,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 500.12 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 53.8 MB in the beginning and 85.9 MB in the end (delta: -32.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:49:59,942 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.60 ms. Allocated memory is still 117.4 MB. Free memory was 85.9 MB in the beginning and 83.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:49:59,942 INFO L168 Benchmark]: Boogie Preprocessor took 74.21 ms. Allocated memory is still 117.4 MB. Free memory was 83.5 MB in the beginning and 81.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:49:59,943 INFO L168 Benchmark]: RCFGBuilder took 956.45 ms. Allocated memory is still 117.4 MB. Free memory was 81.4 MB in the beginning and 45.3 MB in the end (delta: 36.1 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:49:59,943 INFO L168 Benchmark]: TraceAbstraction took 2666.64 ms. Allocated memory is still 117.4 MB. Free memory was 44.8 MB in the beginning and 91.0 MB in the end (delta: -46.2 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:49:59,943 INFO L168 Benchmark]: Witness Printer took 106.41 ms. Allocated memory is still 117.4 MB. Free memory was 91.0 MB in the beginning and 86.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:49:59,945 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 90.2 MB. Free memory is still 70.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 500.12 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 53.8 MB in the beginning and 85.9 MB in the end (delta: -32.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.60 ms. Allocated memory is still 117.4 MB. Free memory was 85.9 MB in the beginning and 83.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.21 ms. Allocated memory is still 117.4 MB. Free memory was 83.5 MB in the beginning and 81.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 956.45 ms. Allocated memory is still 117.4 MB. Free memory was 81.4 MB in the beginning and 45.3 MB in the end (delta: 36.1 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2666.64 ms. Allocated memory is still 117.4 MB. Free memory was 44.8 MB in the beginning and 91.0 MB in the end (delta: -46.2 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. * Witness Printer took 106.41 ms. Allocated memory is still 117.4 MB. Free memory was 91.0 MB in the beginning and 86.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2586.6ms, OverallIterations: 5, TraceHistogramMax: 2, EmptinessCheckTime: 15.8ms, AutomataDifference: 545.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 420.8ms, InitialAbstractionConstructionTime: 13.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 238 SDtfs, 294 SDslu, 280 SDs, 0 SdLazy, 84 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 230.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 191.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 56.9ms AutomataMinimizationTime, 5 MinimizatonAttempts, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 24 LocationsWithAnnotation, 24 PreInvPairs, 38 NumberOfFragments, 223 HoareAnnotationTreeSize, 24 FomulaSimplifications, 235 FormulaSimplificationTreeSizeReduction, 126.1ms HoareSimplificationTime, 24 FomulaSimplificationsInter, 51 FormulaSimplificationTreeSizeReductionInter, 283.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 72.6ms SsaConstructionTime, 258.8ms SatisfiabilityAnalysisTime, 669.0ms InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 370 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 23/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && waterLevel == 1 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(tmp == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && \result == waterLevel) && waterLevel == 1 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:49:59,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d0e8286-3cf3-43f6-80c3-9bce1a9a077b/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...