./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt --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 5a303cc650f696ad71f04e0b60c5ac6485d0c198 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:22:55,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:22:55,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:22:55,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:22:55,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:22:55,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:22:55,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:22:55,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:22:55,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:22:55,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:22:55,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:22:55,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:22:55,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:22:55,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:22:55,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:22:55,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:22:55,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:22:55,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:22:55,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:22:55,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:22:55,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:22:55,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:22:55,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:22:55,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:22:55,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:22:55,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:22:55,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:22:55,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:22:55,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:22:55,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:22:55,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:22:55,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:22:55,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:22:55,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:22:55,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:22:55,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:22:55,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:22:55,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:22:55,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:22:55,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:22:55,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:22:55,210 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:22:55,234 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:22:55,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:22:55,235 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:22:55,235 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:22:55,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:22:55,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:22:55,237 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:22:55,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:22:55,237 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:22:55,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:22:55,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:22:55,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:22:55,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:22:55,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:22:55,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:22:55,238 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:22:55,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:22:55,239 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:22:55,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:22:55,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:22:55,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:22:55,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:22:55,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:22:55,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:22:55,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:22:55,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:22:55,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:22:55,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:22:55,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:22:55,241 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:22:55,241 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_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a303cc650f696ad71f04e0b60c5ac6485d0c198 [2021-10-13 00:22:55,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:22:55,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:22:55,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:22:55,533 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:22:55,535 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:22:55,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c [2021-10-13 00:22:55,597 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/data/8364247bf/29f8902912af4fb09b9b09756651d2b2/FLAG7bb7c9cc4 [2021-10-13 00:22:56,116 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:22:56,117 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c [2021-10-13 00:22:56,130 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/data/8364247bf/29f8902912af4fb09b9b09756651d2b2/FLAG7bb7c9cc4 [2021-10-13 00:22:56,434 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/data/8364247bf/29f8902912af4fb09b9b09756651d2b2 [2021-10-13 00:22:56,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:22:56,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:22:56,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:22:56,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:22:56,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:22:56,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:22:56" (1/1) ... [2021-10-13 00:22:56,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e5de016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:56, skipping insertion in model container [2021-10-13 00:22:56,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:22:56" (1/1) ... [2021-10-13 00:22:56,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:22:56,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:22:56,798 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_515e17ca-aef5-481f-9b71-b2b7271c3a31/sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c[19088,19101] [2021-10-13 00:22:56,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:22:56,809 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:22:56,879 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_515e17ca-aef5-481f-9b71-b2b7271c3a31/sv-benchmarks/c/product-lines/minepump_spec2_product55.cil.c[19088,19101] [2021-10-13 00:22:56,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:22:56,906 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:22:56,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:56 WrapperNode [2021-10-13 00:22:56,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:22:56,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:22:56,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:22:56,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:22:56,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:56" (1/1) ... [2021-10-13 00:22:56,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:56" (1/1) ... [2021-10-13 00:22:57,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:22:57,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:22:57,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:22:57,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:22:57,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:56" (1/1) ... [2021-10-13 00:22:57,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:56" (1/1) ... [2021-10-13 00:22:57,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:56" (1/1) ... [2021-10-13 00:22:57,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:56" (1/1) ... [2021-10-13 00:22:57,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:56" (1/1) ... [2021-10-13 00:22:57,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:56" (1/1) ... [2021-10-13 00:22:57,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:56" (1/1) ... [2021-10-13 00:22:57,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:22:57,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:22:57,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:22:57,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:22:57,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:56" (1/1) ... [2021-10-13 00:22:57,134 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:22:57,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:22:57,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:22:57,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:22:57,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:22:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:22:57,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:22:57,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:22:58,238 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:22:58,248 INFO L299 CfgBuilder]: Removed 282 assume(true) statements. [2021-10-13 00:22:58,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:22:58 BoogieIcfgContainer [2021-10-13 00:22:58,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:22:58,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:22:58,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:22:58,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:22:58,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:22:56" (1/3) ... [2021-10-13 00:22:58,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@261a8fa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:22:58, skipping insertion in model container [2021-10-13 00:22:58,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:22:56" (2/3) ... [2021-10-13 00:22:58,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@261a8fa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:22:58, skipping insertion in model container [2021-10-13 00:22:58,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:22:58" (3/3) ... [2021-10-13 00:22:58,264 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product55.cil.c [2021-10-13 00:22:58,269 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:22:58,269 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 00:22:58,338 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:22:58,349 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-13 00:22:58,350 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 00:22:58,376 INFO L276 IsEmpty]: Start isEmpty. Operand has 195 states, 191 states have (on average 1.5602094240837696) internal successors, (298), 194 states have internal predecessors, (298), 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) [2021-10-13 00:22:58,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 00:22:58,384 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:58,385 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:22:58,386 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:22:58,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:58,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1685888364, now seen corresponding path program 1 times [2021-10-13 00:22:58,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:58,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500086120] [2021-10-13 00:22:58,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:58,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:58,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:22:58,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:22:58,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500086120] [2021-10-13 00:22:58,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500086120] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:22:58,620 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:22:58,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:22:58,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816037775] [2021-10-13 00:22:58,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:22:58,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:22:58,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:22:58,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:22:58,642 INFO L87 Difference]: Start difference. First operand has 195 states, 191 states have (on average 1.5602094240837696) internal successors, (298), 194 states have internal predecessors, (298), 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) [2021-10-13 00:22:58,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:22:58,680 INFO L93 Difference]: Finished difference Result 383 states and 588 transitions. [2021-10-13 00:22:58,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:22:58,682 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 [2021-10-13 00:22:58,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:22:58,693 INFO L225 Difference]: With dead ends: 383 [2021-10-13 00:22:58,693 INFO L226 Difference]: Without dead ends: 191 [2021-10-13 00:22:58,697 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 [2021-10-13 00:22:58,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-10-13 00:22:58,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2021-10-13 00:22:58,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 188 states have (on average 1.5212765957446808) internal successors, (286), 190 states have internal predecessors, (286), 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) [2021-10-13 00:22:58,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 286 transitions. [2021-10-13 00:22:58,743 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 286 transitions. Word has length 18 [2021-10-13 00:22:58,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:22:58,743 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 286 transitions. [2021-10-13 00:22:58,744 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) [2021-10-13 00:22:58,744 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 286 transitions. [2021-10-13 00:22:58,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 00:22:58,745 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:58,745 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:22:58,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:22:58,746 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:22:58,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:58,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1092357789, now seen corresponding path program 1 times [2021-10-13 00:22:58,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:58,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184720536] [2021-10-13 00:22:58,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:58,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:58,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:22:58,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:22:58,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184720536] [2021-10-13 00:22:58,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184720536] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:22:58,843 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:22:58,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:22:58,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146995358] [2021-10-13 00:22:58,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:22:58,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:22:58,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:22:58,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:58,847 INFO L87 Difference]: Start difference. First operand 191 states and 286 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) [2021-10-13 00:22:58,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:22:58,863 INFO L93 Difference]: Finished difference Result 191 states and 286 transitions. [2021-10-13 00:22:58,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:22:58,864 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 [2021-10-13 00:22:58,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:22:58,865 INFO L225 Difference]: With dead ends: 191 [2021-10-13 00:22:58,865 INFO L226 Difference]: Without dead ends: 75 [2021-10-13 00:22:58,866 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:58,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-13 00:22:58,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-10-13 00:22:58,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.5) internal successors, (111), 74 states have internal predecessors, (111), 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) [2021-10-13 00:22:58,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 111 transitions. [2021-10-13 00:22:58,875 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 111 transitions. Word has length 19 [2021-10-13 00:22:58,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:22:58,875 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 111 transitions. [2021-10-13 00:22:58,875 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) [2021-10-13 00:22:58,876 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2021-10-13 00:22:58,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 00:22:58,877 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:58,877 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, 1] [2021-10-13 00:22:58,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:22:58,877 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:22:58,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:58,878 INFO L82 PathProgramCache]: Analyzing trace with hash 359640127, now seen corresponding path program 1 times [2021-10-13 00:22:58,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:58,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412558365] [2021-10-13 00:22:58,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:58,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:58,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:22:58,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:22:58,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412558365] [2021-10-13 00:22:58,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412558365] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:22:58,992 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:22:58,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:22:58,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453982665] [2021-10-13 00:22:58,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:22:58,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:22:58,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:22:58,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:58,995 INFO L87 Difference]: Start difference. First operand 75 states and 111 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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) [2021-10-13 00:22:59,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:22:59,026 INFO L93 Difference]: Finished difference Result 211 states and 319 transitions. [2021-10-13 00:22:59,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:22:59,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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 [2021-10-13 00:22:59,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:22:59,028 INFO L225 Difference]: With dead ends: 211 [2021-10-13 00:22:59,029 INFO L226 Difference]: Without dead ends: 143 [2021-10-13 00:22:59,029 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:59,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-10-13 00:22:59,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 139. [2021-10-13 00:22:59,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 138 states have (on average 1.5217391304347827) internal successors, (210), 138 states have internal predecessors, (210), 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) [2021-10-13 00:22:59,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 210 transitions. [2021-10-13 00:22:59,046 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 210 transitions. Word has length 24 [2021-10-13 00:22:59,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:22:59,047 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 210 transitions. [2021-10-13 00:22:59,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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) [2021-10-13 00:22:59,047 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 210 transitions. [2021-10-13 00:22:59,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 00:22:59,049 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:59,049 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, 1, 1, 1, 1] [2021-10-13 00:22:59,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:22:59,050 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:22:59,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:59,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1777034885, now seen corresponding path program 1 times [2021-10-13 00:22:59,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:59,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353810477] [2021-10-13 00:22:59,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:59,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:59,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:22:59,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:22:59,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353810477] [2021-10-13 00:22:59,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353810477] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:22:59,176 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:22:59,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:22:59,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703559519] [2021-10-13 00:22:59,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:22:59,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:22:59,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:22:59,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:59,179 INFO L87 Difference]: Start difference. First operand 139 states and 210 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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) [2021-10-13 00:22:59,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:22:59,258 INFO L93 Difference]: Finished difference Result 290 states and 443 transitions. [2021-10-13 00:22:59,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:22:59,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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 [2021-10-13 00:22:59,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:22:59,261 INFO L225 Difference]: With dead ends: 290 [2021-10-13 00:22:59,261 INFO L226 Difference]: Without dead ends: 158 [2021-10-13 00:22:59,262 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:22:59,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-10-13 00:22:59,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 156. [2021-10-13 00:22:59,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 155 states have (on average 1.4709677419354839) internal successors, (228), 155 states have internal predecessors, (228), 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) [2021-10-13 00:22:59,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 228 transitions. [2021-10-13 00:22:59,278 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 228 transitions. Word has length 27 [2021-10-13 00:22:59,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:22:59,278 INFO L470 AbstractCegarLoop]: Abstraction has 156 states and 228 transitions. [2021-10-13 00:22:59,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 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) [2021-10-13 00:22:59,279 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 228 transitions. [2021-10-13 00:22:59,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 00:22:59,280 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:59,280 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, 1, 1, 1, 1] [2021-10-13 00:22:59,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 00:22:59,281 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:22:59,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:59,281 INFO L82 PathProgramCache]: Analyzing trace with hash 681148104, now seen corresponding path program 1 times [2021-10-13 00:22:59,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:59,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862586019] [2021-10-13 00:22:59,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:59,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:59,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:22:59,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:22:59,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862586019] [2021-10-13 00:22:59,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862586019] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:22:59,389 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:22:59,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:22:59,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684831542] [2021-10-13 00:22:59,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:22:59,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:22:59,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:22:59,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:22:59,393 INFO L87 Difference]: Start difference. First operand 156 states and 228 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) [2021-10-13 00:22:59,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:22:59,512 INFO L93 Difference]: Finished difference Result 772 states and 1137 transitions. [2021-10-13 00:22:59,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 00:22:59,513 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 [2021-10-13 00:22:59,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:22:59,522 INFO L225 Difference]: With dead ends: 772 [2021-10-13 00:22:59,522 INFO L226 Difference]: Without dead ends: 623 [2021-10-13 00:22:59,528 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 34.9ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:22:59,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2021-10-13 00:22:59,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 291. [2021-10-13 00:22:59,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 290 states have (on average 1.4482758620689655) internal successors, (420), 290 states have internal predecessors, (420), 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) [2021-10-13 00:22:59,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 420 transitions. [2021-10-13 00:22:59,593 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 420 transitions. Word has length 27 [2021-10-13 00:22:59,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:22:59,594 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 420 transitions. [2021-10-13 00:22:59,594 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) [2021-10-13 00:22:59,594 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 420 transitions. [2021-10-13 00:22:59,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 00:22:59,596 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:59,596 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, 1, 1, 1, 1, 1] [2021-10-13 00:22:59,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 00:22:59,596 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:22:59,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:59,597 INFO L82 PathProgramCache]: Analyzing trace with hash -752997056, now seen corresponding path program 1 times [2021-10-13 00:22:59,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:59,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796184013] [2021-10-13 00:22:59,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:59,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:59,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:22:59,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:22:59,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796184013] [2021-10-13 00:22:59,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796184013] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:22:59,676 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:22:59,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:22:59,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963047428] [2021-10-13 00:22:59,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:22:59,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:22:59,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:22:59,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:22:59,678 INFO L87 Difference]: Start difference. First operand 291 states and 420 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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) [2021-10-13 00:22:59,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:22:59,841 INFO L93 Difference]: Finished difference Result 1117 states and 1615 transitions. [2021-10-13 00:22:59,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 00:22:59,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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 28 [2021-10-13 00:22:59,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:22:59,848 INFO L225 Difference]: With dead ends: 1117 [2021-10-13 00:22:59,849 INFO L226 Difference]: Without dead ends: 833 [2021-10-13 00:22:59,856 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 36.0ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:22:59,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2021-10-13 00:22:59,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 289. [2021-10-13 00:22:59,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 288 states have (on average 1.4375) internal successors, (414), 288 states have internal predecessors, (414), 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) [2021-10-13 00:22:59,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 414 transitions. [2021-10-13 00:22:59,889 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 414 transitions. Word has length 28 [2021-10-13 00:22:59,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:22:59,890 INFO L470 AbstractCegarLoop]: Abstraction has 289 states and 414 transitions. [2021-10-13 00:22:59,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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) [2021-10-13 00:22:59,891 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 414 transitions. [2021-10-13 00:22:59,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 00:22:59,898 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:22:59,899 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:22:59,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 00:22:59,899 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:22:59,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:22:59,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1409801979, now seen corresponding path program 1 times [2021-10-13 00:22:59,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:22:59,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009918550] [2021-10-13 00:22:59,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:22:59,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:22:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:22:59,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:22:59,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:22:59,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009918550] [2021-10-13 00:22:59,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009918550] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:22:59,997 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:22:59,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:22:59,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481535794] [2021-10-13 00:22:59,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:22:59,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:22:59,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:22:59,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:22:59,999 INFO L87 Difference]: Start difference. First operand 289 states and 414 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-10-13 00:23:00,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:00,088 INFO L93 Difference]: Finished difference Result 771 states and 1085 transitions. [2021-10-13 00:23:00,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:23:00,089 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 34 [2021-10-13 00:23:00,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:00,092 INFO L225 Difference]: With dead ends: 771 [2021-10-13 00:23:00,092 INFO L226 Difference]: Without dead ends: 489 [2021-10-13 00:23:00,093 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.0ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:23:00,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2021-10-13 00:23:00,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 325. [2021-10-13 00:23:00,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 324 states have (on average 1.3888888888888888) internal successors, (450), 324 states have internal predecessors, (450), 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) [2021-10-13 00:23:00,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 450 transitions. [2021-10-13 00:23:00,119 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 450 transitions. Word has length 34 [2021-10-13 00:23:00,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:00,120 INFO L470 AbstractCegarLoop]: Abstraction has 325 states and 450 transitions. [2021-10-13 00:23:00,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-10-13 00:23:00,120 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 450 transitions. [2021-10-13 00:23:00,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 00:23:00,121 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:00,121 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:23:00,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 00:23:00,122 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:00,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:00,122 INFO L82 PathProgramCache]: Analyzing trace with hash 2110866557, now seen corresponding path program 1 times [2021-10-13 00:23:00,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:00,122 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113921357] [2021-10-13 00:23:00,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:00,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:00,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:23:00,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:00,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113921357] [2021-10-13 00:23:00,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113921357] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:00,172 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:23:00,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:23:00,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073366023] [2021-10-13 00:23:00,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:23:00,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:00,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:23:00,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:23:00,174 INFO L87 Difference]: Start difference. First operand 325 states and 450 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-10-13 00:23:00,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:00,247 INFO L93 Difference]: Finished difference Result 787 states and 1075 transitions. [2021-10-13 00:23:00,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:23:00,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 34 [2021-10-13 00:23:00,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:00,251 INFO L225 Difference]: With dead ends: 787 [2021-10-13 00:23:00,251 INFO L226 Difference]: Without dead ends: 469 [2021-10-13 00:23:00,252 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:23:00,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2021-10-13 00:23:00,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 349. [2021-10-13 00:23:00,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 348 states have (on average 1.3620689655172413) internal successors, (474), 348 states have internal predecessors, (474), 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) [2021-10-13 00:23:00,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 474 transitions. [2021-10-13 00:23:00,281 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 474 transitions. Word has length 34 [2021-10-13 00:23:00,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:00,282 INFO L470 AbstractCegarLoop]: Abstraction has 349 states and 474 transitions. [2021-10-13 00:23:00,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-10-13 00:23:00,282 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 474 transitions. [2021-10-13 00:23:00,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 00:23:00,283 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:00,283 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:23:00,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 00:23:00,283 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:00,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:00,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1524060543, now seen corresponding path program 1 times [2021-10-13 00:23:00,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:00,284 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591219966] [2021-10-13 00:23:00,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:00,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:00,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:23:00,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:00,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591219966] [2021-10-13 00:23:00,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591219966] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:00,326 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:23:00,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:23:00,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550298421] [2021-10-13 00:23:00,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:23:00,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:00,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:23:00,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:23:00,328 INFO L87 Difference]: Start difference. First operand 349 states and 474 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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) [2021-10-13 00:23:00,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:00,375 INFO L93 Difference]: Finished difference Result 799 states and 1079 transitions. [2021-10-13 00:23:00,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:23:00,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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 34 [2021-10-13 00:23:00,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:00,379 INFO L225 Difference]: With dead ends: 799 [2021-10-13 00:23:00,379 INFO L226 Difference]: Without dead ends: 457 [2021-10-13 00:23:00,380 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:23:00,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2021-10-13 00:23:00,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 457. [2021-10-13 00:23:00,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 456 states have (on average 1.3245614035087718) internal successors, (604), 456 states have internal predecessors, (604), 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) [2021-10-13 00:23:00,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 604 transitions. [2021-10-13 00:23:00,416 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 604 transitions. Word has length 34 [2021-10-13 00:23:00,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:00,416 INFO L470 AbstractCegarLoop]: Abstraction has 457 states and 604 transitions. [2021-10-13 00:23:00,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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) [2021-10-13 00:23:00,416 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 604 transitions. [2021-10-13 00:23:00,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 00:23:00,417 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:00,418 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:23:00,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 00:23:00,418 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:00,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:00,419 INFO L82 PathProgramCache]: Analyzing trace with hash 128114367, now seen corresponding path program 1 times [2021-10-13 00:23:00,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:00,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65776404] [2021-10-13 00:23:00,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:00,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:00,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:23:00,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:00,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65776404] [2021-10-13 00:23:00,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65776404] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:00,463 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:23:00,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:23:00,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143485501] [2021-10-13 00:23:00,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:23:00,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:00,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:23:00,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:23:00,465 INFO L87 Difference]: Start difference. First operand 457 states and 604 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-10-13 00:23:00,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:00,536 INFO L93 Difference]: Finished difference Result 735 states and 979 transitions. [2021-10-13 00:23:00,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:23:00,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 35 [2021-10-13 00:23:00,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:00,541 INFO L225 Difference]: With dead ends: 735 [2021-10-13 00:23:00,542 INFO L226 Difference]: Without dead ends: 733 [2021-10-13 00:23:00,542 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:23:00,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2021-10-13 00:23:00,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 568. [2021-10-13 00:23:00,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 567 states have (on average 1.3544973544973544) internal successors, (768), 567 states have internal predecessors, (768), 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) [2021-10-13 00:23:00,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 768 transitions. [2021-10-13 00:23:00,586 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 768 transitions. Word has length 35 [2021-10-13 00:23:00,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:00,587 INFO L470 AbstractCegarLoop]: Abstraction has 568 states and 768 transitions. [2021-10-13 00:23:00,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-10-13 00:23:00,587 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 768 transitions. [2021-10-13 00:23:00,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-13 00:23:00,588 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:00,589 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:23:00,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 00:23:00,589 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:00,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:00,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1655249790, now seen corresponding path program 1 times [2021-10-13 00:23:00,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:00,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447885860] [2021-10-13 00:23:00,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:00,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:00,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:00,632 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-13 00:23:00,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:00,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447885860] [2021-10-13 00:23:00,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447885860] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:00,633 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:23:00,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:23:00,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878492725] [2021-10-13 00:23:00,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:23:00,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:00,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:23:00,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:23:00,635 INFO L87 Difference]: Start difference. First operand 568 states and 768 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2021-10-13 00:23:00,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:00,702 INFO L93 Difference]: Finished difference Result 660 states and 889 transitions. [2021-10-13 00:23:00,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:23:00,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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 55 [2021-10-13 00:23:00,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:00,705 INFO L225 Difference]: With dead ends: 660 [2021-10-13 00:23:00,705 INFO L226 Difference]: Without dead ends: 282 [2021-10-13 00:23:00,706 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:23:00,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-10-13 00:23:00,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-10-13 00:23:00,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.313167259786477) internal successors, (369), 281 states have internal predecessors, (369), 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) [2021-10-13 00:23:00,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 369 transitions. [2021-10-13 00:23:00,735 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 369 transitions. Word has length 55 [2021-10-13 00:23:00,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:00,735 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 369 transitions. [2021-10-13 00:23:00,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2021-10-13 00:23:00,735 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 369 transitions. [2021-10-13 00:23:00,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-13 00:23:00,736 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:00,737 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:23:00,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-13 00:23:00,737 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:00,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:00,738 INFO L82 PathProgramCache]: Analyzing trace with hash -74059363, now seen corresponding path program 1 times [2021-10-13 00:23:00,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:00,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25966718] [2021-10-13 00:23:00,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:00,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:00,817 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:23:00,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:00,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25966718] [2021-10-13 00:23:00,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25966718] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:23:00,818 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950814264] [2021-10-13 00:23:00,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:00,818 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:23:00,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:23:00,821 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:23:00,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 00:23:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:00,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:23:00,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:23:01,205 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:23:01,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950814264] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:01,206 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 00:23:01,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-13 00:23:01,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705524298] [2021-10-13 00:23:01,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:23:01,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:01,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:23:01,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:23:01,212 INFO L87 Difference]: Start difference. First operand 282 states and 369 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2021-10-13 00:23:01,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:01,287 INFO L93 Difference]: Finished difference Result 436 states and 581 transitions. [2021-10-13 00:23:01,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:23:01,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 60 [2021-10-13 00:23:01,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:01,290 INFO L225 Difference]: With dead ends: 436 [2021-10-13 00:23:01,291 INFO L226 Difference]: Without dead ends: 213 [2021-10-13 00:23:01,291 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.1ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:23:01,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2021-10-13 00:23:01,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2021-10-13 00:23:01,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 212 states have (on average 1.259433962264151) internal successors, (267), 212 states have internal predecessors, (267), 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) [2021-10-13 00:23:01,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 267 transitions. [2021-10-13 00:23:01,308 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 267 transitions. Word has length 60 [2021-10-13 00:23:01,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:01,310 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 267 transitions. [2021-10-13 00:23:01,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2021-10-13 00:23:01,310 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 267 transitions. [2021-10-13 00:23:01,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-13 00:23:01,311 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:23:01,311 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:23:01,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:23:01,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:23:01,531 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:23:01,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:23:01,532 INFO L82 PathProgramCache]: Analyzing trace with hash 753888454, now seen corresponding path program 1 times [2021-10-13 00:23:01,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:23:01,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618585208] [2021-10-13 00:23:01,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:01,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:23:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:01,629 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 00:23:01,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:23:01,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618585208] [2021-10-13 00:23:01,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618585208] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:23:01,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404801874] [2021-10-13 00:23:01,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:23:01,630 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:23:01,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:23:01,631 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:23:01,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-13 00:23:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:23:01,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 00:23:01,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:23:02,030 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-13 00:23:02,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404801874] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:23:02,031 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 00:23:02,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 12 [2021-10-13 00:23:02,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927943369] [2021-10-13 00:23:02,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 00:23:02,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:23:02,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:23:02,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-10-13 00:23:02,033 INFO L87 Difference]: Start difference. First operand 213 states and 267 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2021-10-13 00:23:02,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:23:02,212 INFO L93 Difference]: Finished difference Result 678 states and 848 transitions. [2021-10-13 00:23:02,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-13 00:23:02,213 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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 63 [2021-10-13 00:23:02,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:23:02,213 INFO L225 Difference]: With dead ends: 678 [2021-10-13 00:23:02,213 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 00:23:02,215 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 92.4ms TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2021-10-13 00:23:02,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 00:23:02,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 00:23:02,215 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) [2021-10-13 00:23:02,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:23:02,216 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2021-10-13 00:23:02,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:23:02,216 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:23:02,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2021-10-13 00:23:02,216 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:23:02,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 00:23:02,219 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:02,219 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:02,219 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:23:02,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:23:02,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-13 00:23:02,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 00:23:02,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:02,986 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:03,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:23:06,662 INFO L857 garLoopResultBuilder]: For program point L993(lines 993 1000) no Hoare annotation was computed. [2021-10-13 00:23:06,663 INFO L860 garLoopResultBuilder]: At program point L993-1(lines 993 1000) the Hoare annotation is: true [2021-10-13 00:23:06,663 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1011) no Hoare annotation was computed. [2021-10-13 00:23:06,663 INFO L853 garLoopResultBuilder]: At program point L465(lines 450 468) the Hoare annotation is: false [2021-10-13 00:23:06,663 INFO L853 garLoopResultBuilder]: At program point L465-1(lines 450 468) the Hoare annotation is: false [2021-10-13 00:23:06,664 INFO L853 garLoopResultBuilder]: At program point L465-2(lines 450 468) the Hoare annotation is: false [2021-10-13 00:23:06,664 INFO L853 garLoopResultBuilder]: At program point L465-3(lines 450 468) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse3) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3))) [2021-10-13 00:23:06,664 INFO L853 garLoopResultBuilder]: At program point L465-4(lines 450 468) the Hoare annotation is: false [2021-10-13 00:23:06,664 INFO L853 garLoopResultBuilder]: At program point L465-5(lines 450 468) the Hoare annotation is: false [2021-10-13 00:23:06,664 INFO L853 garLoopResultBuilder]: At program point L465-6(lines 450 468) the Hoare annotation is: false [2021-10-13 00:23:06,664 INFO L857 garLoopResultBuilder]: For program point L234(lines 234 247) no Hoare annotation was computed. [2021-10-13 00:23:06,664 INFO L853 garLoopResultBuilder]: At program point L465-7(lines 450 468) the Hoare annotation is: false [2021-10-13 00:23:06,665 INFO L853 garLoopResultBuilder]: At program point L465-8(lines 450 468) the Hoare annotation is: false [2021-10-13 00:23:06,665 INFO L853 garLoopResultBuilder]: At program point L465-9(lines 450 468) the Hoare annotation is: false [2021-10-13 00:23:06,665 INFO L853 garLoopResultBuilder]: At program point L465-10(lines 450 468) the Hoare annotation is: false [2021-10-13 00:23:06,665 INFO L853 garLoopResultBuilder]: At program point L465-11(lines 450 468) the Hoare annotation is: false [2021-10-13 00:23:06,665 INFO L853 garLoopResultBuilder]: At program point L401(lines 394 404) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse2 (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2))) [2021-10-13 00:23:06,665 INFO L853 garLoopResultBuilder]: At program point L401-1(lines 394 404) the Hoare annotation is: false [2021-10-13 00:23:06,665 INFO L857 garLoopResultBuilder]: For program point L335(lines 335 343) no Hoare annotation was computed. [2021-10-13 00:23:06,665 INFO L853 garLoopResultBuilder]: At program point L401-2(lines 394 404) the Hoare annotation is: false [2021-10-13 00:23:06,665 INFO L857 garLoopResultBuilder]: For program point L335-1(lines 335 343) no Hoare annotation was computed. [2021-10-13 00:23:06,665 INFO L857 garLoopResultBuilder]: For program point L335-2(lines 335 343) no Hoare annotation was computed. [2021-10-13 00:23:06,665 INFO L857 garLoopResultBuilder]: For program point L335-3(lines 335 343) no Hoare annotation was computed. [2021-10-13 00:23:06,665 INFO L857 garLoopResultBuilder]: For program point L335-4(lines 335 343) no Hoare annotation was computed. [2021-10-13 00:23:06,666 INFO L857 garLoopResultBuilder]: For program point L335-5(lines 335 343) no Hoare annotation was computed. [2021-10-13 00:23:06,666 INFO L857 garLoopResultBuilder]: For program point L171(lines 171 177) no Hoare annotation was computed. [2021-10-13 00:23:06,666 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 171 177) no Hoare annotation was computed. [2021-10-13 00:23:06,666 INFO L857 garLoopResultBuilder]: For program point L171-2(lines 171 177) no Hoare annotation was computed. [2021-10-13 00:23:06,666 INFO L857 garLoopResultBuilder]: For program point L171-3(lines 171 177) no Hoare annotation was computed. [2021-10-13 00:23:06,666 INFO L857 garLoopResultBuilder]: For program point L171-4(lines 171 177) no Hoare annotation was computed. [2021-10-13 00:23:06,666 INFO L857 garLoopResultBuilder]: For program point L171-5(lines 171 177) no Hoare annotation was computed. [2021-10-13 00:23:06,666 INFO L857 garLoopResultBuilder]: For program point L171-6(lines 171 177) no Hoare annotation was computed. [2021-10-13 00:23:06,666 INFO L857 garLoopResultBuilder]: For program point L171-7(lines 171 177) no Hoare annotation was computed. [2021-10-13 00:23:06,667 INFO L857 garLoopResultBuilder]: For program point L171-8(lines 171 177) no Hoare annotation was computed. [2021-10-13 00:23:06,667 INFO L857 garLoopResultBuilder]: For program point L171-9(lines 171 177) no Hoare annotation was computed. [2021-10-13 00:23:06,667 INFO L857 garLoopResultBuilder]: For program point L171-10(lines 171 177) no Hoare annotation was computed. [2021-10-13 00:23:06,667 INFO L857 garLoopResultBuilder]: For program point L171-11(lines 171 177) no Hoare annotation was computed. [2021-10-13 00:23:06,667 INFO L857 garLoopResultBuilder]: For program point L205(lines 204 251) no Hoare annotation was computed. [2021-10-13 00:23:06,667 INFO L857 garLoopResultBuilder]: For program point L106(lines 106 110) no Hoare annotation was computed. [2021-10-13 00:23:06,667 INFO L857 garLoopResultBuilder]: For program point L305(lines 305 322) no Hoare annotation was computed. [2021-10-13 00:23:06,667 INFO L857 garLoopResultBuilder]: For program point L305-1(lines 305 322) no Hoare annotation was computed. [2021-10-13 00:23:06,667 INFO L857 garLoopResultBuilder]: For program point L305-2(lines 305 322) no Hoare annotation was computed. [2021-10-13 00:23:06,667 INFO L857 garLoopResultBuilder]: For program point L206(lines 206 210) no Hoare annotation was computed. [2021-10-13 00:23:06,668 INFO L857 garLoopResultBuilder]: For program point L305-3(lines 305 322) no Hoare annotation was computed. [2021-10-13 00:23:06,668 INFO L857 garLoopResultBuilder]: For program point L305-4(lines 305 322) no Hoare annotation was computed. [2021-10-13 00:23:06,668 INFO L857 garLoopResultBuilder]: For program point L305-5(lines 305 322) no Hoare annotation was computed. [2021-10-13 00:23:06,668 INFO L857 garLoopResultBuilder]: For program point L305-6(lines 305 322) no Hoare annotation was computed. [2021-10-13 00:23:06,668 INFO L857 garLoopResultBuilder]: For program point L305-7(lines 305 322) no Hoare annotation was computed. [2021-10-13 00:23:06,668 INFO L857 garLoopResultBuilder]: For program point L305-8(lines 305 322) no Hoare annotation was computed. [2021-10-13 00:23:06,668 INFO L857 garLoopResultBuilder]: For program point L305-9(lines 305 322) no Hoare annotation was computed. [2021-10-13 00:23:06,668 INFO L857 garLoopResultBuilder]: For program point L305-10(lines 305 322) no Hoare annotation was computed. [2021-10-13 00:23:06,668 INFO L857 garLoopResultBuilder]: For program point L305-11(lines 305 322) no Hoare annotation was computed. [2021-10-13 00:23:06,668 INFO L853 garLoopResultBuilder]: At program point L273(lines 272 291) the Hoare annotation is: (let ((.cse2 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 (= 0 ~systemActive~0)) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse4) (and .cse1 .cse5 .cse6 .cse4) (and .cse0 .cse1 .cse3 .cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)))) [2021-10-13 00:23:06,669 INFO L857 garLoopResultBuilder]: For program point L240(lines 240 246) no Hoare annotation was computed. [2021-10-13 00:23:06,669 INFO L857 garLoopResultBuilder]: For program point L273-1(lines 273 279) no Hoare annotation was computed. [2021-10-13 00:23:06,669 INFO L853 garLoopResultBuilder]: At program point L240-1(lines 273 279) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse6 .cse4) (and .cse1 .cse5 (= 0 ~systemActive~0)) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse4) (and .cse0 .cse1 .cse3 .cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)))) [2021-10-13 00:23:06,669 INFO L853 garLoopResultBuilder]: At program point L273-2(lines 272 291) the Hoare annotation is: false [2021-10-13 00:23:06,669 INFO L853 garLoopResultBuilder]: At program point L273-3(lines 272 291) the Hoare annotation is: false [2021-10-13 00:23:06,669 INFO L853 garLoopResultBuilder]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-13 00:23:06,669 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 1011) no Hoare annotation was computed. [2021-10-13 00:23:06,670 INFO L853 garLoopResultBuilder]: At program point L176(lines 167 180) the Hoare annotation is: false [2021-10-13 00:23:06,670 INFO L853 garLoopResultBuilder]: At program point L176-1(lines 167 180) the Hoare annotation is: false [2021-10-13 00:23:06,670 INFO L853 garLoopResultBuilder]: At program point L176-2(lines 167 180) the Hoare annotation is: false [2021-10-13 00:23:06,670 INFO L853 garLoopResultBuilder]: At program point L176-3(lines 167 180) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse3))) [2021-10-13 00:23:06,670 INFO L853 garLoopResultBuilder]: At program point L176-4(lines 167 180) the Hoare annotation is: false [2021-10-13 00:23:06,670 INFO L853 garLoopResultBuilder]: At program point L176-5(lines 167 180) the Hoare annotation is: false [2021-10-13 00:23:06,670 INFO L853 garLoopResultBuilder]: At program point L176-6(lines 167 180) the Hoare annotation is: false [2021-10-13 00:23:06,670 INFO L860 garLoopResultBuilder]: At program point L1002(lines 983 1005) the Hoare annotation is: true [2021-10-13 00:23:06,670 INFO L853 garLoopResultBuilder]: At program point L969(lines 965 971) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-13 00:23:06,671 INFO L853 garLoopResultBuilder]: At program point L176-7(lines 167 180) the Hoare annotation is: false [2021-10-13 00:23:06,671 INFO L853 garLoopResultBuilder]: At program point L176-8(lines 167 180) the Hoare annotation is: false [2021-10-13 00:23:06,671 INFO L853 garLoopResultBuilder]: At program point L176-9(lines 167 180) the Hoare annotation is: false [2021-10-13 00:23:06,671 INFO L853 garLoopResultBuilder]: At program point L176-10(lines 167 180) the Hoare annotation is: false [2021-10-13 00:23:06,671 INFO L853 garLoopResultBuilder]: At program point L176-11(lines 167 180) the Hoare annotation is: false [2021-10-13 00:23:06,671 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 317) no Hoare annotation was computed. [2021-10-13 00:23:06,671 INFO L857 garLoopResultBuilder]: For program point L309-1(lines 309 317) no Hoare annotation was computed. [2021-10-13 00:23:06,671 INFO L857 garLoopResultBuilder]: For program point L309-2(lines 309 317) no Hoare annotation was computed. [2021-10-13 00:23:06,671 INFO L857 garLoopResultBuilder]: For program point L309-3(lines 309 317) no Hoare annotation was computed. [2021-10-13 00:23:06,672 INFO L857 garLoopResultBuilder]: For program point L309-4(lines 309 317) no Hoare annotation was computed. [2021-10-13 00:23:06,672 INFO L857 garLoopResultBuilder]: For program point L309-5(lines 309 317) no Hoare annotation was computed. [2021-10-13 00:23:06,672 INFO L857 garLoopResultBuilder]: For program point L309-6(lines 309 317) no Hoare annotation was computed. [2021-10-13 00:23:06,672 INFO L857 garLoopResultBuilder]: For program point L309-7(lines 309 317) no Hoare annotation was computed. [2021-10-13 00:23:06,672 INFO L857 garLoopResultBuilder]: For program point L309-8(lines 309 317) no Hoare annotation was computed. [2021-10-13 00:23:06,672 INFO L857 garLoopResultBuilder]: For program point L309-9(lines 309 317) no Hoare annotation was computed. [2021-10-13 00:23:06,672 INFO L857 garLoopResultBuilder]: For program point L309-10(lines 309 317) no Hoare annotation was computed. [2021-10-13 00:23:06,672 INFO L857 garLoopResultBuilder]: For program point L309-11(lines 309 317) no Hoare annotation was computed. [2021-10-13 00:23:06,672 INFO L853 garLoopResultBuilder]: At program point L410(lines 405 413) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2 .cse4 .cse5) (and (<= 1 ~pumpRunning~0) .cse0 (= ~methAndRunningLastTime~0 0) .cse3 .cse4 .cse5))) [2021-10-13 00:23:06,672 INFO L853 garLoopResultBuilder]: At program point L410-1(lines 405 413) the Hoare annotation is: false [2021-10-13 00:23:06,673 INFO L853 garLoopResultBuilder]: At program point L410-2(lines 405 413) the Hoare annotation is: false [2021-10-13 00:23:06,673 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 482) no Hoare annotation was computed. [2021-10-13 00:23:06,673 INFO L857 garLoopResultBuilder]: For program point L478-2(lines 478 482) no Hoare annotation was computed. [2021-10-13 00:23:06,673 INFO L857 garLoopResultBuilder]: For program point L478-3(lines 478 482) no Hoare annotation was computed. [2021-10-13 00:23:06,673 INFO L857 garLoopResultBuilder]: For program point L478-5(lines 478 482) no Hoare annotation was computed. [2021-10-13 00:23:06,673 INFO L853 garLoopResultBuilder]: At program point L280(lines 280 286) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3) (and .cse1 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse5 .cse3) (and .cse1 .cse4 .cse5 .cse3))) [2021-10-13 00:23:06,673 INFO L857 garLoopResultBuilder]: For program point L478-6(lines 478 482) no Hoare annotation was computed. [2021-10-13 00:23:06,673 INFO L853 garLoopResultBuilder]: At program point L280-1(lines 280 286) the Hoare annotation is: false [2021-10-13 00:23:06,674 INFO L857 garLoopResultBuilder]: For program point L214(lines 214 220) no Hoare annotation was computed. [2021-10-13 00:23:06,674 INFO L857 garLoopResultBuilder]: For program point L478-8(lines 478 482) no Hoare annotation was computed. [2021-10-13 00:23:06,674 INFO L853 garLoopResultBuilder]: At program point L280-2(lines 280 286) the Hoare annotation is: false [2021-10-13 00:23:06,674 INFO L853 garLoopResultBuilder]: At program point L214-1(lines 214 220) the Hoare annotation is: (let ((.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse4 .cse6) (and .cse7 .cse0 .cse5 .cse4 .cse6) (and .cse7 .cse0 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse4) (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)))) [2021-10-13 00:23:06,674 INFO L857 garLoopResultBuilder]: For program point L478-9(lines 478 482) no Hoare annotation was computed. [2021-10-13 00:23:06,674 INFO L857 garLoopResultBuilder]: For program point L478-11(lines 478 482) no Hoare annotation was computed. [2021-10-13 00:23:06,674 INFO L857 garLoopResultBuilder]: For program point L478-12(lines 478 482) no Hoare annotation was computed. [2021-10-13 00:23:06,674 INFO L857 garLoopResultBuilder]: For program point L478-14(lines 478 482) no Hoare annotation was computed. [2021-10-13 00:23:06,674 INFO L857 garLoopResultBuilder]: For program point L478-15(lines 478 482) no Hoare annotation was computed. [2021-10-13 00:23:06,675 INFO L857 garLoopResultBuilder]: For program point L478-17(lines 478 482) no Hoare annotation was computed. [2021-10-13 00:23:06,675 INFO L853 garLoopResultBuilder]: At program point L877(lines 872 879) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-13 00:23:06,675 INFO L857 garLoopResultBuilder]: For program point L118(lines 118 122) no Hoare annotation was computed. [2021-10-13 00:23:06,675 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 00:23:06,675 INFO L857 garLoopResultBuilder]: For program point L1011(line 1011) no Hoare annotation was computed. [2021-10-13 00:23:06,675 INFO L857 garLoopResultBuilder]: For program point L1011-1(line 1011) no Hoare annotation was computed. [2021-10-13 00:23:06,675 INFO L857 garLoopResultBuilder]: For program point L1011-2(line 1011) no Hoare annotation was computed. [2021-10-13 00:23:06,675 INFO L853 garLoopResultBuilder]: At program point L252(lines 203 253) the Hoare annotation is: false [2021-10-13 00:23:06,676 INFO L853 garLoopResultBuilder]: At program point L186(lines 181 189) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-13 00:23:06,676 INFO L853 garLoopResultBuilder]: At program point L186-1(lines 181 189) the Hoare annotation is: false [2021-10-13 00:23:06,676 INFO L853 garLoopResultBuilder]: At program point L186-2(lines 181 189) the Hoare annotation is: false [2021-10-13 00:23:06,676 INFO L853 garLoopResultBuilder]: At program point L186-3(lines 181 189) the Hoare annotation is: false [2021-10-13 00:23:06,676 INFO L853 garLoopResultBuilder]: At program point L186-4(lines 181 189) the Hoare annotation is: false [2021-10-13 00:23:06,676 INFO L853 garLoopResultBuilder]: At program point L186-5(lines 181 189) the Hoare annotation is: false [2021-10-13 00:23:06,676 INFO L853 garLoopResultBuilder]: At program point L484(lines 469 487) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-13 00:23:06,676 INFO L853 garLoopResultBuilder]: At program point L484-1(lines 469 487) the Hoare annotation is: false [2021-10-13 00:23:06,676 INFO L853 garLoopResultBuilder]: At program point L484-2(lines 469 487) the Hoare annotation is: false [2021-10-13 00:23:06,676 INFO L853 garLoopResultBuilder]: At program point L484-3(lines 469 487) the Hoare annotation is: false [2021-10-13 00:23:06,677 INFO L853 garLoopResultBuilder]: At program point L484-4(lines 469 487) the Hoare annotation is: false [2021-10-13 00:23:06,677 INFO L853 garLoopResultBuilder]: At program point L484-5(lines 469 487) the Hoare annotation is: false [2021-10-13 00:23:06,677 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 00:23:06,677 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 230) no Hoare annotation was computed. [2021-10-13 00:23:06,677 INFO L853 garLoopResultBuilder]: At program point L224-1(lines 224 230) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse6 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse4) (and .cse0 .cse1 .cse3 .cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (and .cse1 .cse5 .cse2 (= 0 ~systemActive~0)))) [2021-10-13 00:23:06,677 INFO L857 garLoopResultBuilder]: For program point L357(lines 357 374) no Hoare annotation was computed. [2021-10-13 00:23:06,677 INFO L857 garLoopResultBuilder]: For program point L357-1(lines 357 374) no Hoare annotation was computed. [2021-10-13 00:23:06,678 INFO L857 garLoopResultBuilder]: For program point L357-2(lines 357 374) no Hoare annotation was computed. [2021-10-13 00:23:06,678 INFO L857 garLoopResultBuilder]: For program point L94(lines 94 98) no Hoare annotation was computed. [2021-10-13 00:23:06,678 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 00:23:06,679 INFO L857 garLoopResultBuilder]: For program point L94-3(lines 94 98) no Hoare annotation was computed. [2021-10-13 00:23:06,679 INFO L857 garLoopResultBuilder]: For program point L94-6(lines 94 98) no Hoare annotation was computed. [2021-10-13 00:23:06,679 INFO L857 garLoopResultBuilder]: For program point L888(lines 888 905) no Hoare annotation was computed. [2021-10-13 00:23:06,679 INFO L853 garLoopResultBuilder]: At program point L888-1(lines 1 1014) the Hoare annotation is: (let ((.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse4 .cse6) (and .cse7 .cse0 .cse5 .cse4 .cse6) (and .cse7 .cse0 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~9 0) .cse4) (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)))) [2021-10-13 00:23:06,680 INFO L853 garLoopResultBuilder]: At program point L921-2(lines 921 935) the Hoare annotation is: false [2021-10-13 00:23:06,680 INFO L857 garLoopResultBuilder]: For program point L888-2(lines 888 905) no Hoare annotation was computed. [2021-10-13 00:23:06,680 INFO L853 garLoopResultBuilder]: At program point L888-3(lines 1 1014) the Hoare annotation is: false [2021-10-13 00:23:06,680 INFO L857 garLoopResultBuilder]: For program point L888-4(lines 888 905) no Hoare annotation was computed. [2021-10-13 00:23:06,680 INFO L853 garLoopResultBuilder]: At program point L888-5(lines 1 1014) the Hoare annotation is: false [2021-10-13 00:23:06,680 INFO L857 garLoopResultBuilder]: For program point L492(lines 492 498) no Hoare annotation was computed. [2021-10-13 00:23:06,681 INFO L853 garLoopResultBuilder]: At program point L492-1(lines 492 498) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-13 00:23:06,681 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 463) no Hoare annotation was computed. [2021-10-13 00:23:06,681 INFO L857 garLoopResultBuilder]: For program point L459-2(lines 459 463) no Hoare annotation was computed. [2021-10-13 00:23:06,681 INFO L857 garLoopResultBuilder]: For program point L459-3(lines 459 463) no Hoare annotation was computed. [2021-10-13 00:23:06,681 INFO L857 garLoopResultBuilder]: For program point L459-5(lines 459 463) no Hoare annotation was computed. [2021-10-13 00:23:06,681 INFO L857 garLoopResultBuilder]: For program point L459-6(lines 459 463) no Hoare annotation was computed. [2021-10-13 00:23:06,681 INFO L857 garLoopResultBuilder]: For program point L459-8(lines 459 463) no Hoare annotation was computed. [2021-10-13 00:23:06,682 INFO L857 garLoopResultBuilder]: For program point L459-9(lines 459 463) no Hoare annotation was computed. [2021-10-13 00:23:06,682 INFO L857 garLoopResultBuilder]: For program point L459-11(lines 459 463) no Hoare annotation was computed. [2021-10-13 00:23:06,682 INFO L857 garLoopResultBuilder]: For program point L459-12(lines 459 463) no Hoare annotation was computed. [2021-10-13 00:23:06,682 INFO L857 garLoopResultBuilder]: For program point L459-14(lines 459 463) no Hoare annotation was computed. [2021-10-13 00:23:06,682 INFO L857 garLoopResultBuilder]: For program point L459-15(lines 459 463) no Hoare annotation was computed. [2021-10-13 00:23:06,682 INFO L857 garLoopResultBuilder]: For program point L459-17(lines 459 463) no Hoare annotation was computed. [2021-10-13 00:23:06,682 INFO L857 garLoopResultBuilder]: For program point L922(line 922) no Hoare annotation was computed. [2021-10-13 00:23:06,682 INFO L857 garLoopResultBuilder]: For program point L459-18(lines 459 463) no Hoare annotation was computed. [2021-10-13 00:23:06,683 INFO L857 garLoopResultBuilder]: For program point L459-20(lines 459 463) no Hoare annotation was computed. [2021-10-13 00:23:06,683 INFO L857 garLoopResultBuilder]: For program point L459-21(lines 459 463) no Hoare annotation was computed. [2021-10-13 00:23:06,683 INFO L857 garLoopResultBuilder]: For program point L459-23(lines 459 463) no Hoare annotation was computed. [2021-10-13 00:23:06,683 INFO L857 garLoopResultBuilder]: For program point L459-24(lines 459 463) no Hoare annotation was computed. [2021-10-13 00:23:06,683 INFO L857 garLoopResultBuilder]: For program point L459-26(lines 459 463) no Hoare annotation was computed. [2021-10-13 00:23:06,683 INFO L857 garLoopResultBuilder]: For program point L459-27(lines 459 463) no Hoare annotation was computed. [2021-10-13 00:23:06,683 INFO L857 garLoopResultBuilder]: For program point L459-29(lines 459 463) no Hoare annotation was computed. [2021-10-13 00:23:06,684 INFO L857 garLoopResultBuilder]: For program point L459-30(lines 459 463) no Hoare annotation was computed. [2021-10-13 00:23:06,684 INFO L857 garLoopResultBuilder]: For program point L459-32(lines 459 463) no Hoare annotation was computed. [2021-10-13 00:23:06,684 INFO L857 garLoopResultBuilder]: For program point L459-33(lines 459 463) no Hoare annotation was computed. [2021-10-13 00:23:06,684 INFO L857 garLoopResultBuilder]: For program point L361(lines 361 369) no Hoare annotation was computed. [2021-10-13 00:23:06,684 INFO L857 garLoopResultBuilder]: For program point L361-1(lines 361 369) no Hoare annotation was computed. [2021-10-13 00:23:06,684 INFO L857 garLoopResultBuilder]: For program point L459-35(lines 459 463) no Hoare annotation was computed. [2021-10-13 00:23:06,684 INFO L857 garLoopResultBuilder]: For program point L361-2(lines 361 369) no Hoare annotation was computed. [2021-10-13 00:23:06,685 INFO L853 garLoopResultBuilder]: At program point L131(lines 126 134) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2))) [2021-10-13 00:23:06,685 INFO L853 garLoopResultBuilder]: At program point L131-1(lines 126 134) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse5 .cse6 .cse3) (and .cse7 .cse0 (= ~methAndRunningLastTime~0 0) .cse2 .cse3 .cse4) (and .cse7 .cse0 .cse5 .cse6 .cse3))) [2021-10-13 00:23:06,685 INFO L853 garLoopResultBuilder]: At program point L131-2(lines 126 134) the Hoare annotation is: false [2021-10-13 00:23:06,685 INFO L853 garLoopResultBuilder]: At program point L131-3(lines 126 134) the Hoare annotation is: false [2021-10-13 00:23:06,685 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 00:23:06,685 INFO L853 garLoopResultBuilder]: At program point L131-4(lines 126 134) the Hoare annotation is: false [2021-10-13 00:23:06,686 INFO L853 garLoopResultBuilder]: At program point L131-5(lines 126 134) the Hoare annotation is: false [2021-10-13 00:23:06,686 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1011) no Hoare annotation was computed. [2021-10-13 00:23:06,686 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 929) no Hoare annotation was computed. [2021-10-13 00:23:06,686 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 902) no Hoare annotation was computed. [2021-10-13 00:23:06,687 INFO L857 garLoopResultBuilder]: For program point L925-1(lines 273 279) no Hoare annotation was computed. [2021-10-13 00:23:06,687 INFO L857 garLoopResultBuilder]: For program point L892-2(lines 892 902) no Hoare annotation was computed. [2021-10-13 00:23:06,688 INFO L857 garLoopResultBuilder]: For program point L892-4(lines 892 902) no Hoare annotation was computed. [2021-10-13 00:23:06,689 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 348) no Hoare annotation was computed. [2021-10-13 00:23:06,689 INFO L857 garLoopResultBuilder]: For program point L331-1(lines 331 348) no Hoare annotation was computed. [2021-10-13 00:23:06,690 INFO L857 garLoopResultBuilder]: For program point L331-2(lines 331 348) no Hoare annotation was computed. [2021-10-13 00:23:06,690 INFO L857 garLoopResultBuilder]: For program point L331-3(lines 331 348) no Hoare annotation was computed. [2021-10-13 00:23:06,690 INFO L857 garLoopResultBuilder]: For program point L331-4(lines 331 348) no Hoare annotation was computed. [2021-10-13 00:23:06,690 INFO L857 garLoopResultBuilder]: For program point L331-5(lines 331 348) no Hoare annotation was computed. [2021-10-13 00:23:06,690 INFO L853 garLoopResultBuilder]: At program point L67(lines 1 1014) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-13 00:23:06,690 INFO L857 garLoopResultBuilder]: For program point L893(lines 893 899) no Hoare annotation was computed. [2021-10-13 00:23:06,691 INFO L857 garLoopResultBuilder]: For program point L893-2(lines 893 899) no Hoare annotation was computed. [2021-10-13 00:23:06,691 INFO L857 garLoopResultBuilder]: For program point L893-4(lines 893 899) no Hoare annotation was computed. [2021-10-13 00:23:06,695 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:23:06,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:23:06 BoogieIcfgContainer [2021-10-13 00:23:06,757 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:23:06,757 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:23:06,758 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:23:06,758 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:23:06,758 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:22:58" (3/4) ... [2021-10-13 00:23:06,765 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 00:23:06,801 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 00:23:06,804 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 00:23:06,806 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 00:23:06,808 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 00:23:06,809 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 00:23:06,811 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:23:06,813 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:23:06,841 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 0 == systemActive) [2021-10-13 00:23:06,841 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 0 == systemActive) [2021-10-13 00:23:06,842 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive)) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result)) || (((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 0 == systemActive) [2021-10-13 00:23:06,843 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((splverifierCounter == 0 && pumpRunning == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive)) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) [2021-10-13 00:23:06,844 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive)) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) [2021-10-13 00:23:06,846 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) || ((splverifierCounter == 0 && pumpRunning == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result)) || ((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) [2021-10-13 00:23:06,847 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) || ((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) [2021-10-13 00:23:06,853 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && 1 <= \result) || ((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) [2021-10-13 00:23:06,853 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 0 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == 0) && 1 == systemActive) && 1 <= \result)) || (((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) [2021-10-13 00:23:06,854 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == 1) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) [2021-10-13 00:23:06,856 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == 0) && 1 == systemActive) [2021-10-13 00:23:06,857 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-10-13 00:23:06,857 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-10-13 00:23:06,952 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:23:06,953 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:23:06,954 INFO L168 Benchmark]: Toolchain (without parser) took 10515.75 ms. Allocated memory was 151.0 MB in the beginning and 247.5 MB in the end (delta: 96.5 MB). Free memory was 118.9 MB in the beginning and 215.0 MB in the end (delta: -96.1 MB). Peak memory consumption was 117.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:23:06,955 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 83.9 MB. Free memory is still 38.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:23:06,955 INFO L168 Benchmark]: CACSL2BoogieTranslator took 466.70 ms. Allocated memory is still 151.0 MB. Free memory was 118.4 MB in the beginning and 115.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:23:06,955 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.77 ms. Allocated memory is still 151.0 MB. Free memory was 115.8 MB in the beginning and 110.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:23:06,956 INFO L168 Benchmark]: Boogie Preprocessor took 90.33 ms. Allocated memory is still 151.0 MB. Free memory was 110.7 MB in the beginning and 107.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:23:06,956 INFO L168 Benchmark]: RCFGBuilder took 1131.53 ms. Allocated memory is still 151.0 MB. Free memory was 107.4 MB in the beginning and 112.8 MB in the end (delta: -5.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:23:06,957 INFO L168 Benchmark]: TraceAbstraction took 8504.68 ms. Allocated memory was 151.0 MB in the beginning and 205.5 MB in the end (delta: 54.5 MB). Free memory was 112.8 MB in the beginning and 72.8 MB in the end (delta: 40.0 MB). Peak memory consumption was 113.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:23:06,957 INFO L168 Benchmark]: Witness Printer took 195.42 ms. Allocated memory was 205.5 MB in the beginning and 247.5 MB in the end (delta: 41.9 MB). Free memory was 72.8 MB in the beginning and 215.0 MB in the end (delta: -142.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:23:06,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 83.9 MB. Free memory is still 38.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 466.70 ms. Allocated memory is still 151.0 MB. Free memory was 118.4 MB in the beginning and 115.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 117.77 ms. Allocated memory is still 151.0 MB. Free memory was 115.8 MB in the beginning and 110.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 90.33 ms. Allocated memory is still 151.0 MB. Free memory was 110.7 MB in the beginning and 107.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1131.53 ms. Allocated memory is still 151.0 MB. Free memory was 107.4 MB in the beginning and 112.8 MB in the end (delta: -5.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8504.68 ms. Allocated memory was 151.0 MB in the beginning and 205.5 MB in the end (delta: 54.5 MB). Free memory was 112.8 MB in the beginning and 72.8 MB in the end (delta: 40.0 MB). Peak memory consumption was 113.4 MB. Max. memory is 16.1 GB. * Witness Printer took 195.42 ms. Allocated memory was 205.5 MB in the beginning and 247.5 MB in the end (delta: 41.9 MB). Free memory was 72.8 MB in the beginning and 215.0 MB in the end (delta: -142.2 MB). Peak memory consumption was 17.2 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: 1011]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1011]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1011]: 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, 195 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 8359.1ms, OverallIterations: 13, TraceHistogramMax: 2, EmptinessCheckTime: 34.1ms, AutomataDifference: 1169.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 4229.5ms, InitialAbstractionConstructionTime: 20.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1651 SDtfs, 1490 SDslu, 2151 SDs, 0 SdLazy, 281 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 349.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 189 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 217.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=568occurred in iteration=10, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 353.6ms AutomataMinimizationTime, 13 MinimizatonAttempts, 1331 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 69 LocationsWithAnnotation, 69 PreInvPairs, 296 NumberOfFragments, 951 HoareAnnotationTreeSize, 69 FomulaSimplifications, 139641 FormulaSimplificationTreeSizeReduction, 1288.0ms HoareSimplificationTime, 69 FomulaSimplificationsInter, 29337 FormulaSimplificationTreeSizeReductionInter, 2924.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 122.2ms SsaConstructionTime, 485.7ms SatisfiabilityAnalysisTime, 1135.6ms InterpolantComputationTime, 581 NumberOfCodeBlocks, 581 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 566 ConstructedInterpolants, 0 QuantifiedInterpolants, 1145 SizeOfPredicates, 5 NumberOfNonLiveVariables, 908 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 81/100 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: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && 1 <= \result) || ((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 0 == systemActive) - InvariantResult [Line: 965]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 == systemActive)) || ((splverifierCounter == 0 && pumpRunning == 0) && 0 == systemActive)) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) || ((splverifierCounter == 0 && pumpRunning == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result)) || ((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 0 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == 0) && 1 == systemActive) && 1 <= \result)) || (((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 993]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) || ((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == 1) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((splverifierCounter == 0 && pumpRunning == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive)) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive)) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result)) || (((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 0 == systemActive) - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \result == 0) && 1 == systemActive) - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) || ((splverifierCounter == 0 && pumpRunning == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive)) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 00:23:07,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_515e17ca-aef5-481f-9b71-b2b7271c3a31/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...