./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product54.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_6cc6905d-1087-47bb-82c0-161bb960dc5f/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/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_6cc6905d-1087-47bb-82c0-161bb960dc5f/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/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_6cc6905d-1087-47bb-82c0-161bb960dc5f/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 c91e4e85649f1d5114ec79d2c6b873f11539f5ec ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-12 23:59:29,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-12 23:59:29,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-12 23:59:29,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-12 23:59:29,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-12 23:59:29,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-12 23:59:29,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-12 23:59:29,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-12 23:59:29,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-12 23:59:29,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-12 23:59:29,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-12 23:59:29,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-12 23:59:29,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-12 23:59:29,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-12 23:59:29,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-12 23:59:29,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-12 23:59:29,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-12 23:59:29,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-12 23:59:29,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-12 23:59:29,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-12 23:59:29,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-12 23:59:29,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-12 23:59:29,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-12 23:59:29,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-12 23:59:29,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-12 23:59:29,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-12 23:59:29,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-12 23:59:29,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-12 23:59:29,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-12 23:59:29,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-12 23:59:29,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-12 23:59:29,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-12 23:59:29,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-12 23:59:29,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-12 23:59:29,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-12 23:59:29,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-12 23:59:29,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-12 23:59:29,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-12 23:59:29,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-12 23:59:29,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-12 23:59:29,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-12 23:59:29,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-12 23:59:29,250 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-12 23:59:29,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-12 23:59:29,251 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-12 23:59:29,251 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-12 23:59:29,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-12 23:59:29,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-12 23:59:29,253 INFO L138 SettingsManager]: * Use SBE=true [2021-10-12 23:59:29,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-12 23:59:29,254 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-12 23:59:29,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-12 23:59:29,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-12 23:59:29,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-12 23:59:29,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-12 23:59:29,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-12 23:59:29,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-12 23:59:29,256 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-12 23:59:29,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-12 23:59:29,257 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-12 23:59:29,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-12 23:59:29,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-12 23:59:29,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-12 23:59:29,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-12 23:59:29,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-12 23:59:29,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-12 23:59:29,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-12 23:59:29,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-12 23:59:29,259 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-12 23:59:29,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-12 23:59:29,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-12 23:59:29,261 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-12 23:59:29,261 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_6cc6905d-1087-47bb-82c0-161bb960dc5f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c91e4e85649f1d5114ec79d2c6b873f11539f5ec [2021-10-12 23:59:29,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-12 23:59:29,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-12 23:59:29,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-12 23:59:29,651 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-12 23:59:29,652 INFO L275 PluginConnector]: CDTParser initialized [2021-10-12 23:59:29,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c [2021-10-12 23:59:29,725 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/bin/uautomizer-WNIpwEf4Nt/data/deef77192/f80f98478cc140248b3863a7e203b965/FLAG839637ac7 [2021-10-12 23:59:30,345 INFO L306 CDTParser]: Found 1 translation units. [2021-10-12 23:59:30,346 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c [2021-10-12 23:59:30,360 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/bin/uautomizer-WNIpwEf4Nt/data/deef77192/f80f98478cc140248b3863a7e203b965/FLAG839637ac7 [2021-10-12 23:59:30,637 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/bin/uautomizer-WNIpwEf4Nt/data/deef77192/f80f98478cc140248b3863a7e203b965 [2021-10-12 23:59:30,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-12 23:59:30,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-12 23:59:30,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:30,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-12 23:59:30,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-12 23:59:30,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:30" (1/1) ... [2021-10-12 23:59:30,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ffa754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:30, skipping insertion in model container [2021-10-12 23:59:30,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:30" (1/1) ... [2021-10-12 23:59:30,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-12 23:59:30,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-12 23:59:31,046 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_6cc6905d-1087-47bb-82c0-161bb960dc5f/sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c[4154,4167] [2021-10-12 23:59:31,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:31,234 INFO L203 MainTranslator]: Completed pre-run [2021-10-12 23:59:31,290 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_6cc6905d-1087-47bb-82c0-161bb960dc5f/sv-benchmarks/c/product-lines/minepump_spec3_product54.cil.c[4154,4167] [2021-10-12 23:59:31,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:31,372 INFO L208 MainTranslator]: Completed translation [2021-10-12 23:59:31,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31 WrapperNode [2021-10-12 23:59:31,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:31,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:31,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-12 23:59:31,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-12 23:59:31,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31" (1/1) ... [2021-10-12 23:59:31,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31" (1/1) ... [2021-10-12 23:59:31,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:31,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-12 23:59:31,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-12 23:59:31,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-12 23:59:31,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31" (1/1) ... [2021-10-12 23:59:31,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31" (1/1) ... [2021-10-12 23:59:31,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31" (1/1) ... [2021-10-12 23:59:31,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31" (1/1) ... [2021-10-12 23:59:31,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31" (1/1) ... [2021-10-12 23:59:31,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31" (1/1) ... [2021-10-12 23:59:31,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31" (1/1) ... [2021-10-12 23:59:31,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-12 23:59:31,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-12 23:59:31,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-12 23:59:31,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-12 23:59:31,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31" (1/1) ... [2021-10-12 23:59:31,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-12 23:59:31,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:31,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-12 23:59:31,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-12 23:59:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-12 23:59:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-12 23:59:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-12 23:59:31,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-12 23:59:32,977 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-12 23:59:32,991 INFO L299 CfgBuilder]: Removed 284 assume(true) statements. [2021-10-12 23:59:32,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:32 BoogieIcfgContainer [2021-10-12 23:59:32,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-12 23:59:32,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-12 23:59:32,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-12 23:59:33,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-12 23:59:33,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:59:30" (1/3) ... [2021-10-12 23:59:33,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@543e9e6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:59:33, skipping insertion in model container [2021-10-12 23:59:33,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:31" (2/3) ... [2021-10-12 23:59:33,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@543e9e6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:59:33, skipping insertion in model container [2021-10-12 23:59:33,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:32" (3/3) ... [2021-10-12 23:59:33,006 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product54.cil.c [2021-10-12 23:59:33,014 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-12 23:59:33,014 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-12 23:59:33,064 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-12 23:59:33,073 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 [2021-10-12 23:59:33,073 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-12 23:59:33,105 INFO L276 IsEmpty]: Start isEmpty. Operand has 195 states, 191 states have (on average 1.5549738219895288) internal successors, (297), 194 states have internal predecessors, (297), 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) [2021-10-12 23:59:33,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-12 23:59:33,116 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:33,117 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:33,118 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:33,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:33,124 INFO L82 PathProgramCache]: Analyzing trace with hash 60762052, now seen corresponding path program 1 times [2021-10-12 23:59:33,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:33,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103492404] [2021-10-12 23:59:33,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:33,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:33,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:33,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:33,527 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103492404] [2021-10-12 23:59:33,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103492404] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:33,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:33,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-12 23:59:33,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152096991] [2021-10-12 23:59:33,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-12 23:59:33,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:33,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-12 23:59:33,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-12 23:59:33,564 INFO L87 Difference]: Start difference. First operand has 195 states, 191 states have (on average 1.5549738219895288) internal successors, (297), 194 states have internal predecessors, (297), 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) [2021-10-12 23:59:33,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:33,620 INFO L93 Difference]: Finished difference Result 384 states and 587 transitions. [2021-10-12 23:59:33,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-12 23:59:33,621 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 [2021-10-12 23:59:33,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:33,634 INFO L225 Difference]: With dead ends: 384 [2021-10-12 23:59:33,634 INFO L226 Difference]: Without dead ends: 191 [2021-10-12 23:59:33,638 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 [2021-10-12 23:59:33,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-10-12 23:59:33,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2021-10-12 23:59:33,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 188 states have (on average 1.5159574468085106) internal successors, (285), 190 states have internal predecessors, (285), 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) [2021-10-12 23:59:33,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 285 transitions. [2021-10-12 23:59:33,690 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 285 transitions. Word has length 18 [2021-10-12 23:59:33,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:33,691 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 285 transitions. [2021-10-12 23:59:33,691 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) [2021-10-12 23:59:33,692 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 285 transitions. [2021-10-12 23:59:33,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-12 23:59:33,693 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:33,693 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-12 23:59:33,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-12 23:59:33,694 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:33,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:33,695 INFO L82 PathProgramCache]: Analyzing trace with hash -850268701, now seen corresponding path program 1 times [2021-10-12 23:59:33,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:33,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70355244] [2021-10-12 23:59:33,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:33,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:33,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:33,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:33,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70355244] [2021-10-12 23:59:33,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70355244] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:33,794 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:33,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-12 23:59:33,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083392614] [2021-10-12 23:59:33,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-12 23:59:33,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:33,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-12 23:59:33,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-12 23:59:33,799 INFO L87 Difference]: Start difference. First operand 191 states and 285 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) [2021-10-12 23:59:33,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:33,813 INFO L93 Difference]: Finished difference Result 191 states and 285 transitions. [2021-10-12 23:59:33,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-12 23:59:33,814 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 [2021-10-12 23:59:33,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:33,816 INFO L225 Difference]: With dead ends: 191 [2021-10-12 23:59:33,816 INFO L226 Difference]: Without dead ends: 73 [2021-10-12 23:59:33,817 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-12 23:59:33,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-12 23:59:33,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-12 23:59:33,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.5) internal successors, (108), 72 states have internal predecessors, (108), 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) [2021-10-12 23:59:33,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2021-10-12 23:59:33,826 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 19 [2021-10-12 23:59:33,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:33,826 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2021-10-12 23:59:33,827 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) [2021-10-12 23:59:33,827 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2021-10-12 23:59:33,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-12 23:59:33,828 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:33,828 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] [2021-10-12 23:59:33,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-12 23:59:33,829 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:33,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:33,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1473925832, now seen corresponding path program 1 times [2021-10-12 23:59:33,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:33,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602513177] [2021-10-12 23:59:33,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:33,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:33,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:33,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:33,919 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602513177] [2021-10-12 23:59:33,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602513177] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:33,922 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:33,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-12 23:59:33,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576490306] [2021-10-12 23:59:33,927 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-12 23:59:33,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:33,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-12 23:59:33,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-12 23:59:33,931 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:33,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:33,966 INFO L93 Difference]: Finished difference Result 140 states and 210 transitions. [2021-10-12 23:59:33,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-12 23:59:33,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-12 23:59:33,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:33,973 INFO L225 Difference]: With dead ends: 140 [2021-10-12 23:59:33,973 INFO L226 Difference]: Without dead ends: 73 [2021-10-12 23:59:33,975 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-12 23:59:33,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-10-12 23:59:33,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-10-12 23:59:33,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.4861111111111112) internal successors, (107), 72 states have internal predecessors, (107), 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) [2021-10-12 23:59:33,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 107 transitions. [2021-10-12 23:59:33,988 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 107 transitions. Word has length 24 [2021-10-12 23:59:33,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:33,989 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 107 transitions. [2021-10-12 23:59:33,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:33,990 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2021-10-12 23:59:33,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-12 23:59:33,996 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:33,996 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] [2021-10-12 23:59:33,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-12 23:59:33,997 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:33,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:34,000 INFO L82 PathProgramCache]: Analyzing trace with hash -17775911, now seen corresponding path program 1 times [2021-10-12 23:59:34,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:34,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850009016] [2021-10-12 23:59:34,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:34,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:34,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:34,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:34,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850009016] [2021-10-12 23:59:34,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850009016] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:34,123 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:34,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-12 23:59:34,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275778522] [2021-10-12 23:59:34,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-12 23:59:34,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:34,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-12 23:59:34,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-12 23:59:34,126 INFO L87 Difference]: Start difference. First operand 73 states and 107 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) [2021-10-12 23:59:34,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:34,186 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-10-12 23:59:34,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-12 23:59:34,187 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 [2021-10-12 23:59:34,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:34,191 INFO L225 Difference]: With dead ends: 151 [2021-10-12 23:59:34,191 INFO L226 Difference]: Without dead ends: 84 [2021-10-12 23:59:34,195 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-12 23:59:34,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-10-12 23:59:34,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2021-10-12 23:59:34,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 81 states have internal predecessors, (116), 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) [2021-10-12 23:59:34,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 116 transitions. [2021-10-12 23:59:34,208 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 116 transitions. Word has length 27 [2021-10-12 23:59:34,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:34,209 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 116 transitions. [2021-10-12 23:59:34,210 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) [2021-10-12 23:59:34,210 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2021-10-12 23:59:34,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-12 23:59:34,211 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:34,211 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] [2021-10-12 23:59:34,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-12 23:59:34,212 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:34,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:34,213 INFO L82 PathProgramCache]: Analyzing trace with hash 585251370, now seen corresponding path program 1 times [2021-10-12 23:59:34,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:34,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005192956] [2021-10-12 23:59:34,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:34,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:34,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:34,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:34,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005192956] [2021-10-12 23:59:34,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005192956] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:34,330 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:34,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-12 23:59:34,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021978581] [2021-10-12 23:59:34,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-12 23:59:34,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:34,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-12 23:59:34,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-12 23:59:34,334 INFO L87 Difference]: Start difference. First operand 82 states and 116 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2021-10-12 23:59:34,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:34,422 INFO L93 Difference]: Finished difference Result 216 states and 303 transitions. [2021-10-12 23:59:34,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-12 23:59:34,422 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 33 [2021-10-12 23:59:34,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:34,424 INFO L225 Difference]: With dead ends: 216 [2021-10-12 23:59:34,424 INFO L226 Difference]: Without dead ends: 140 [2021-10-12 23:59:34,426 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.7ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-12 23:59:34,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-10-12 23:59:34,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 91. [2021-10-12 23:59:34,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.3888888888888888) internal successors, (125), 90 states have internal predecessors, (125), 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) [2021-10-12 23:59:34,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 125 transitions. [2021-10-12 23:59:34,449 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 125 transitions. Word has length 33 [2021-10-12 23:59:34,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:34,450 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 125 transitions. [2021-10-12 23:59:34,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2021-10-12 23:59:34,451 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 125 transitions. [2021-10-12 23:59:34,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-12 23:59:34,455 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:34,455 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] [2021-10-12 23:59:34,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-12 23:59:34,456 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:34,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:34,457 INFO L82 PathProgramCache]: Analyzing trace with hash -542144723, now seen corresponding path program 1 times [2021-10-12 23:59:34,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:34,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654354457] [2021-10-12 23:59:34,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:34,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:34,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:34,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:34,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654354457] [2021-10-12 23:59:34,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654354457] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:34,555 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:34,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-12 23:59:34,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262219166] [2021-10-12 23:59:34,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-12 23:59:34,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:34,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-12 23:59:34,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-12 23:59:34,562 INFO L87 Difference]: Start difference. First operand 91 states and 125 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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) [2021-10-12 23:59:34,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:34,705 INFO L93 Difference]: Finished difference Result 444 states and 625 transitions. [2021-10-12 23:59:34,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-12 23:59:34,706 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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 33 [2021-10-12 23:59:34,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:34,709 INFO L225 Difference]: With dead ends: 444 [2021-10-12 23:59:34,709 INFO L226 Difference]: Without dead ends: 359 [2021-10-12 23:59:34,710 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 27.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-12 23:59:34,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2021-10-12 23:59:34,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 139. [2021-10-12 23:59:34,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 138 states have (on average 1.3623188405797102) internal successors, (188), 138 states have internal predecessors, (188), 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) [2021-10-12 23:59:34,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 188 transitions. [2021-10-12 23:59:34,726 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 188 transitions. Word has length 33 [2021-10-12 23:59:34,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:34,727 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 188 transitions. [2021-10-12 23:59:34,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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) [2021-10-12 23:59:34,727 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 188 transitions. [2021-10-12 23:59:34,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-12 23:59:34,728 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:34,728 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] [2021-10-12 23:59:34,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-12 23:59:34,729 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:34,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:34,730 INFO L82 PathProgramCache]: Analyzing trace with hash 615151215, now seen corresponding path program 1 times [2021-10-12 23:59:34,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:34,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559358299] [2021-10-12 23:59:34,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:34,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:34,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:34,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:34,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559358299] [2021-10-12 23:59:34,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559358299] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:34,783 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:34,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-12 23:59:34,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136900725] [2021-10-12 23:59:34,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-12 23:59:34,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:34,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-12 23:59:34,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-12 23:59:34,785 INFO L87 Difference]: Start difference. First operand 139 states and 188 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 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) [2021-10-12 23:59:34,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:34,918 INFO L93 Difference]: Finished difference Result 294 states and 403 transitions. [2021-10-12 23:59:34,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-12 23:59:34,918 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 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 [2021-10-12 23:59:34,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:34,920 INFO L225 Difference]: With dead ends: 294 [2021-10-12 23:59:34,920 INFO L226 Difference]: Without dead ends: 209 [2021-10-12 23:59:34,921 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.4ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-12 23:59:34,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-10-12 23:59:34,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 206. [2021-10-12 23:59:34,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 205 states have (on average 1.3560975609756099) internal successors, (278), 205 states have internal predecessors, (278), 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) [2021-10-12 23:59:34,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 278 transitions. [2021-10-12 23:59:34,937 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 278 transitions. Word has length 34 [2021-10-12 23:59:34,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:34,938 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 278 transitions. [2021-10-12 23:59:34,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 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) [2021-10-12 23:59:34,938 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 278 transitions. [2021-10-12 23:59:34,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-12 23:59:34,940 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:34,941 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] [2021-10-12 23:59:34,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-12 23:59:34,941 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:34,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:34,942 INFO L82 PathProgramCache]: Analyzing trace with hash -395966035, now seen corresponding path program 1 times [2021-10-12 23:59:34,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:34,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605139797] [2021-10-12 23:59:34,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:34,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:35,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:35,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:35,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605139797] [2021-10-12 23:59:35,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605139797] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:35,013 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:35,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-12 23:59:35,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361711227] [2021-10-12 23:59:35,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-12 23:59:35,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:35,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-12 23:59:35,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-12 23:59:35,015 INFO L87 Difference]: Start difference. First operand 206 states and 278 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) [2021-10-12 23:59:35,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:35,084 INFO L93 Difference]: Finished difference Result 484 states and 665 transitions. [2021-10-12 23:59:35,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-12 23:59:35,085 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 [2021-10-12 23:59:35,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:35,089 INFO L225 Difference]: With dead ends: 484 [2021-10-12 23:59:35,089 INFO L226 Difference]: Without dead ends: 331 [2021-10-12 23:59:35,090 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-12 23:59:35,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-10-12 23:59:35,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 197. [2021-10-12 23:59:35,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 196 states have (on average 1.3571428571428572) internal successors, (266), 196 states have internal predecessors, (266), 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) [2021-10-12 23:59:35,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 266 transitions. [2021-10-12 23:59:35,110 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 266 transitions. Word has length 34 [2021-10-12 23:59:35,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:35,111 INFO L470 AbstractCegarLoop]: Abstraction has 197 states and 266 transitions. [2021-10-12 23:59:35,111 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) [2021-10-12 23:59:35,111 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 266 transitions. [2021-10-12 23:59:35,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-12 23:59:35,113 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:35,113 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] [2021-10-12 23:59:35,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-12 23:59:35,113 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:35,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:35,114 INFO L82 PathProgramCache]: Analyzing trace with hash 989595496, now seen corresponding path program 1 times [2021-10-12 23:59:35,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:35,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600858345] [2021-10-12 23:59:35,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:35,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:35,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:35,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:35,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600858345] [2021-10-12 23:59:35,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600858345] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:35,209 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:35,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-12 23:59:35,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171915039] [2021-10-12 23:59:35,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-12 23:59:35,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:35,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-12 23:59:35,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-12 23:59:35,214 INFO L87 Difference]: Start difference. First operand 197 states and 266 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 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) [2021-10-12 23:59:35,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:35,518 INFO L93 Difference]: Finished difference Result 555 states and 763 transitions. [2021-10-12 23:59:35,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-12 23:59:35,519 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 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 [2021-10-12 23:59:35,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:35,523 INFO L225 Difference]: With dead ends: 555 [2021-10-12 23:59:35,523 INFO L226 Difference]: Without dead ends: 364 [2021-10-12 23:59:35,527 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 70.2ms TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-10-12 23:59:35,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-10-12 23:59:35,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 161. [2021-10-12 23:59:35,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 160 states have (on average 1.3125) internal successors, (210), 160 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) [2021-10-12 23:59:35,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 210 transitions. [2021-10-12 23:59:35,549 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 210 transitions. Word has length 34 [2021-10-12 23:59:35,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:35,549 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 210 transitions. [2021-10-12 23:59:35,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 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) [2021-10-12 23:59:35,550 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 210 transitions. [2021-10-12 23:59:35,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-12 23:59:35,550 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:35,551 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] [2021-10-12 23:59:35,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-12 23:59:35,552 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:35,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:35,552 INFO L82 PathProgramCache]: Analyzing trace with hash -137800597, now seen corresponding path program 1 times [2021-10-12 23:59:35,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:35,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996272306] [2021-10-12 23:59:35,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:35,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:35,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:35,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:35,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996272306] [2021-10-12 23:59:35,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996272306] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:35,625 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:35,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-12 23:59:35,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006605675] [2021-10-12 23:59:35,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-12 23:59:35,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:35,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-12 23:59:35,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-12 23:59:35,631 INFO L87 Difference]: Start difference. First operand 161 states and 210 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) [2021-10-12 23:59:35,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:35,695 INFO L93 Difference]: Finished difference Result 413 states and 547 transitions. [2021-10-12 23:59:35,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-12 23:59:35,696 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 [2021-10-12 23:59:35,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:35,698 INFO L225 Difference]: With dead ends: 413 [2021-10-12 23:59:35,698 INFO L226 Difference]: Without dead ends: 258 [2021-10-12 23:59:35,699 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-12 23:59:35,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2021-10-12 23:59:35,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 149. [2021-10-12 23:59:35,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 148 states have (on average 1.2905405405405406) internal successors, (191), 148 states have internal predecessors, (191), 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) [2021-10-12 23:59:35,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 191 transitions. [2021-10-12 23:59:35,715 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 191 transitions. Word has length 34 [2021-10-12 23:59:35,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:35,716 INFO L470 AbstractCegarLoop]: Abstraction has 149 states and 191 transitions. [2021-10-12 23:59:35,716 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) [2021-10-12 23:59:35,716 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 191 transitions. [2021-10-12 23:59:35,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-12 23:59:35,717 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:35,717 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-12 23:59:35,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-12 23:59:35,718 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:35,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:35,719 INFO L82 PathProgramCache]: Analyzing trace with hash 785405984, now seen corresponding path program 1 times [2021-10-12 23:59:35,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:35,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547484041] [2021-10-12 23:59:35,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:35,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:35,792 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-12 23:59:35,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:35,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547484041] [2021-10-12 23:59:35,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547484041] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:35,793 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:35,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-12 23:59:35,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630448973] [2021-10-12 23:59:35,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-12 23:59:35,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:35,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-12 23:59:35,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-12 23:59:35,797 INFO L87 Difference]: Start difference. First operand 149 states and 191 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2021-10-12 23:59:35,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:35,834 INFO L93 Difference]: Finished difference Result 301 states and 393 transitions. [2021-10-12 23:59:35,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-12 23:59:35,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 51 [2021-10-12 23:59:35,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:35,837 INFO L225 Difference]: With dead ends: 301 [2021-10-12 23:59:35,838 INFO L226 Difference]: Without dead ends: 185 [2021-10-12 23:59:35,838 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-12 23:59:35,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-10-12 23:59:35,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 133. [2021-10-12 23:59:35,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 1.2954545454545454) internal successors, (171), 132 states have internal predecessors, (171), 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) [2021-10-12 23:59:35,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 171 transitions. [2021-10-12 23:59:35,854 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 171 transitions. Word has length 51 [2021-10-12 23:59:35,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:35,855 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 171 transitions. [2021-10-12 23:59:35,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2021-10-12 23:59:35,855 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 171 transitions. [2021-10-12 23:59:35,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-12 23:59:35,856 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:35,857 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] [2021-10-12 23:59:35,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-12 23:59:35,857 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:35,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:35,858 INFO L82 PathProgramCache]: Analyzing trace with hash 282802848, now seen corresponding path program 1 times [2021-10-12 23:59:35,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:35,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861388614] [2021-10-12 23:59:35,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:35,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:35,927 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-12 23:59:35,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:35,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861388614] [2021-10-12 23:59:35,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861388614] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:35,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:35,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-12 23:59:35,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512846561] [2021-10-12 23:59:35,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-12 23:59:35,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:35,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-12 23:59:35,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-12 23:59:35,930 INFO L87 Difference]: Start difference. First operand 133 states and 171 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) [2021-10-12 23:59:36,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:36,070 INFO L93 Difference]: Finished difference Result 684 states and 873 transitions. [2021-10-12 23:59:36,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-12 23:59:36,071 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 52 [2021-10-12 23:59:36,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:36,074 INFO L225 Difference]: With dead ends: 684 [2021-10-12 23:59:36,075 INFO L226 Difference]: Without dead ends: 557 [2021-10-12 23:59:36,075 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 31.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-12 23:59:36,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2021-10-12 23:59:36,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 258. [2021-10-12 23:59:36,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 257 states have (on average 1.2684824902723735) internal successors, (326), 257 states have internal predecessors, (326), 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) [2021-10-12 23:59:36,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 326 transitions. [2021-10-12 23:59:36,110 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 326 transitions. Word has length 52 [2021-10-12 23:59:36,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:36,110 INFO L470 AbstractCegarLoop]: Abstraction has 258 states and 326 transitions. [2021-10-12 23:59:36,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) [2021-10-12 23:59:36,110 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 326 transitions. [2021-10-12 23:59:36,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-12 23:59:36,111 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:36,111 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-12 23:59:36,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-12 23:59:36,112 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:36,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:36,112 INFO L82 PathProgramCache]: Analyzing trace with hash 140278630, now seen corresponding path program 1 times [2021-10-12 23:59:36,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:36,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506490211] [2021-10-12 23:59:36,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:36,113 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:36,184 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-12 23:59:36,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:36,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506490211] [2021-10-12 23:59:36,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506490211] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-12 23:59:36,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267054600] [2021-10-12 23:59:36,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:36,185 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-12 23:59:36,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:36,190 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-12 23:59:36,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-12 23:59:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:36,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-12 23:59:36,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:36,552 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-12 23:59:36,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267054600] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-12 23:59:36,553 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-12 23:59:36,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-12 23:59:36,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363879364] [2021-10-12 23:59:36,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-12 23:59:36,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:36,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-12 23:59:36,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-12 23:59:36,555 INFO L87 Difference]: Start difference. First operand 258 states and 326 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 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) [2021-10-12 23:59:36,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:36,753 INFO L93 Difference]: Finished difference Result 634 states and 796 transitions. [2021-10-12 23:59:36,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-12 23:59:36,754 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 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 53 [2021-10-12 23:59:36,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:36,756 INFO L225 Difference]: With dead ends: 634 [2021-10-12 23:59:36,756 INFO L226 Difference]: Without dead ends: 382 [2021-10-12 23:59:36,757 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 62.9ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-12 23:59:36,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-10-12 23:59:36,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 244. [2021-10-12 23:59:36,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 243 states have (on average 1.2304526748971194) internal successors, (299), 243 states have internal predecessors, (299), 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) [2021-10-12 23:59:36,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 299 transitions. [2021-10-12 23:59:36,792 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 299 transitions. Word has length 53 [2021-10-12 23:59:36,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:36,792 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 299 transitions. [2021-10-12 23:59:36,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 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) [2021-10-12 23:59:36,793 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 299 transitions. [2021-10-12 23:59:36,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-12 23:59:36,793 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:36,794 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] [2021-10-12 23:59:36,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:37,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-12 23:59:37,015 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:37,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:37,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1173555437, now seen corresponding path program 1 times [2021-10-12 23:59:37,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:37,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196274537] [2021-10-12 23:59:37,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:37,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:37,131 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-12 23:59:37,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:37,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196274537] [2021-10-12 23:59:37,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196274537] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:37,132 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:37,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-12 23:59:37,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134422567] [2021-10-12 23:59:37,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-12 23:59:37,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:37,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-12 23:59:37,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-12 23:59:37,135 INFO L87 Difference]: Start difference. First operand 244 states and 299 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 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) [2021-10-12 23:59:37,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:37,326 INFO L93 Difference]: Finished difference Result 863 states and 1069 transitions. [2021-10-12 23:59:37,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-12 23:59:37,327 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 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 54 [2021-10-12 23:59:37,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:37,331 INFO L225 Difference]: With dead ends: 863 [2021-10-12 23:59:37,331 INFO L226 Difference]: Without dead ends: 677 [2021-10-12 23:59:37,332 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 54.0ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-12 23:59:37,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2021-10-12 23:59:37,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 244. [2021-10-12 23:59:37,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 243 states have (on average 1.2263374485596708) internal successors, (298), 243 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) [2021-10-12 23:59:37,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 298 transitions. [2021-10-12 23:59:37,368 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 298 transitions. Word has length 54 [2021-10-12 23:59:37,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:37,369 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 298 transitions. [2021-10-12 23:59:37,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 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) [2021-10-12 23:59:37,369 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 298 transitions. [2021-10-12 23:59:37,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-12 23:59:37,370 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:37,370 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] [2021-10-12 23:59:37,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-12 23:59:37,371 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:37,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:37,371 INFO L82 PathProgramCache]: Analyzing trace with hash -517061415, now seen corresponding path program 1 times [2021-10-12 23:59:37,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:37,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634441817] [2021-10-12 23:59:37,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:37,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:37,440 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-12 23:59:37,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:37,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634441817] [2021-10-12 23:59:37,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634441817] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-12 23:59:37,441 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-12 23:59:37,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-12 23:59:37,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339629325] [2021-10-12 23:59:37,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-12 23:59:37,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:37,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-12 23:59:37,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-12 23:59:37,448 INFO L87 Difference]: Start difference. First operand 244 states and 298 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2021-10-12 23:59:37,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:37,573 INFO L93 Difference]: Finished difference Result 740 states and 922 transitions. [2021-10-12 23:59:37,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-12 23:59:37,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 [2021-10-12 23:59:37,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:37,577 INFO L225 Difference]: With dead ends: 740 [2021-10-12 23:59:37,577 INFO L226 Difference]: Without dead ends: 554 [2021-10-12 23:59:37,580 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-12 23:59:37,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2021-10-12 23:59:37,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 250. [2021-10-12 23:59:37,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 249 states have (on average 1.2208835341365463) internal successors, (304), 249 states have internal predecessors, (304), 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) [2021-10-12 23:59:37,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 304 transitions. [2021-10-12 23:59:37,618 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 304 transitions. Word has length 60 [2021-10-12 23:59:37,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:37,619 INFO L470 AbstractCegarLoop]: Abstraction has 250 states and 304 transitions. [2021-10-12 23:59:37,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2021-10-12 23:59:37,619 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 304 transitions. [2021-10-12 23:59:37,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-12 23:59:37,620 INFO L504 BasicCegarLoop]: Found error trace [2021-10-12 23:59:37,621 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] [2021-10-12 23:59:37,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-12 23:59:37,621 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-12 23:59:37,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-12 23:59:37,622 INFO L82 PathProgramCache]: Analyzing trace with hash -258895977, now seen corresponding path program 1 times [2021-10-12 23:59:37,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-12 23:59:37,622 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620306196] [2021-10-12 23:59:37,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:37,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-12 23:59:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:37,716 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-12 23:59:37,716 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-12 23:59:37,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620306196] [2021-10-12 23:59:37,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620306196] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-12 23:59:37,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185235966] [2021-10-12 23:59:37,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-12 23:59:37,717 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-12 23:59:37,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-12 23:59:37,719 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-12 23:59:37,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-12 23:59:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-12 23:59:37,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-12 23:59:37,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-12 23:59:38,062 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-12 23:59:38,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185235966] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-12 23:59:38,062 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-12 23:59:38,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-10-12 23:59:38,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490173416] [2021-10-12 23:59:38,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-12 23:59:38,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-12 23:59:38,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-12 23:59:38,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-12 23:59:38,064 INFO L87 Difference]: Start difference. First operand 250 states and 304 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:38,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-12 23:59:38,297 INFO L93 Difference]: Finished difference Result 874 states and 1084 transitions. [2021-10-12 23:59:38,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-12 23:59:38,298 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-10-12 23:59:38,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-12 23:59:38,298 INFO L225 Difference]: With dead ends: 874 [2021-10-12 23:59:38,298 INFO L226 Difference]: Without dead ends: 0 [2021-10-12 23:59:38,299 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 51.6ms TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-10-12 23:59:38,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-12 23:59:38,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-12 23:59:38,300 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) [2021-10-12 23:59:38,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-12 23:59:38,300 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2021-10-12 23:59:38,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-12 23:59:38,300 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-12 23:59:38,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-12 23:59:38,300 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-12 23:59:38,301 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-12 23:59:38,303 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-12 23:59:38,303 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-12 23:59:38,304 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-12 23:59:38,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-12 23:59:38,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-10-12 23:59:38,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-12 23:59:38,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:38,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:38,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:38,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:38,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:38,519 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:38,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:38,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:38,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:38,724 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:38,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:38,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:38,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:38,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:38,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:38,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:38,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:38,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:38,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:38,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:38,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:38,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:38,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:38,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:39,586 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:39,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:39,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:39,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:39,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:39,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:39,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:40,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:40,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:40,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:40,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:40,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:40,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:40,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:40,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:40,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:40,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:41,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:41,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:41,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:41,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:41,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:41,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:41,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:41,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:41,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:41,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:41,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:41,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:41,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:41,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:41,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:41,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:41,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:42,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:42,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:42,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:42,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:42,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:42,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:42,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:42,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:42,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:42,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:42,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:42,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-12 23:59:52,123 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 878) no Hoare annotation was computed. [2021-10-12 23:59:52,123 INFO L857 garLoopResultBuilder]: For program point L861-1(lines 861 878) no Hoare annotation was computed. [2021-10-12 23:59:52,123 INFO L857 garLoopResultBuilder]: For program point L861-2(lines 861 878) no Hoare annotation was computed. [2021-10-12 23:59:52,123 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 259) no Hoare annotation was computed. [2021-10-12 23:59:52,124 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 173) no Hoare annotation was computed. [2021-10-12 23:59:52,124 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 777 783) no Hoare annotation was computed. [2021-10-12 23:59:52,124 INFO L857 garLoopResultBuilder]: For program point L731(lines 731 737) no Hoare annotation was computed. [2021-10-12 23:59:52,126 INFO L853 garLoopResultBuilder]: At program point L731-1(lines 731 737) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse6 (= 1 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse3 (= ULTIMATE.start_processEnvironment_~tmp~8 0)) (.cse4 (= ULTIMATE.start_processEnvironment__wrappee__lowWaterSensor_~tmp~7 0)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse8 (<= ~waterLevel~0 2)) (.cse11 (let ((.cse12 (not .cse9))) (or (and .cse0 .cse12 (<= 2 ~waterLevel~0) .cse5 .cse6) (and .cse0 .cse12 .cse5 .cse6 (= ~waterLevel~0 1)))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse6 .cse7 .cse8) (and .cse1 .cse10 .cse2 .cse8 .cse11) (and .cse0 .cse1 .cse10 .cse2 (<= ~waterLevel~0 1) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse9 .cse10 .cse6 .cse8) (and .cse1 .cse2 .cse7 .cse8 .cse11)))) [2021-10-12 23:59:52,126 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 967) no Hoare annotation was computed. [2021-10-12 23:59:52,126 INFO L857 garLoopResultBuilder]: For program point L963-2(lines 963 967) no Hoare annotation was computed. [2021-10-12 23:59:52,126 INFO L857 garLoopResultBuilder]: For program point L963-3(lines 963 967) no Hoare annotation was computed. [2021-10-12 23:59:52,127 INFO L857 garLoopResultBuilder]: For program point L963-5(lines 963 967) no Hoare annotation was computed. [2021-10-12 23:59:52,127 INFO L857 garLoopResultBuilder]: For program point L963-6(lines 963 967) no Hoare annotation was computed. [2021-10-12 23:59:52,127 INFO L857 garLoopResultBuilder]: For program point L963-8(lines 963 967) no Hoare annotation was computed. [2021-10-12 23:59:52,127 INFO L857 garLoopResultBuilder]: For program point L963-9(lines 963 967) no Hoare annotation was computed. [2021-10-12 23:59:52,128 INFO L857 garLoopResultBuilder]: For program point L963-11(lines 963 967) no Hoare annotation was computed. [2021-10-12 23:59:52,128 INFO L857 garLoopResultBuilder]: For program point L963-12(lines 963 967) no Hoare annotation was computed. [2021-10-12 23:59:52,128 INFO L857 garLoopResultBuilder]: For program point L963-14(lines 963 967) no Hoare annotation was computed. [2021-10-12 23:59:52,128 INFO L857 garLoopResultBuilder]: For program point L963-15(lines 963 967) no Hoare annotation was computed. [2021-10-12 23:59:52,128 INFO L857 garLoopResultBuilder]: For program point L963-17(lines 963 967) no Hoare annotation was computed. [2021-10-12 23:59:52,128 INFO L857 garLoopResultBuilder]: For program point L963-18(lines 963 967) no Hoare annotation was computed. [2021-10-12 23:59:52,129 INFO L857 garLoopResultBuilder]: For program point L963-20(lines 963 967) no Hoare annotation was computed. [2021-10-12 23:59:52,129 INFO L857 garLoopResultBuilder]: For program point L963-21(lines 963 967) no Hoare annotation was computed. [2021-10-12 23:59:52,129 INFO L857 garLoopResultBuilder]: For program point L963-23(lines 963 967) no Hoare annotation was computed. [2021-10-12 23:59:52,129 INFO L857 garLoopResultBuilder]: For program point L963-24(lines 963 967) no Hoare annotation was computed. [2021-10-12 23:59:52,130 INFO L853 garLoopResultBuilder]: At program point L138(lines 129 142) the Hoare annotation is: false [2021-10-12 23:59:52,130 INFO L853 garLoopResultBuilder]: At program point L138-1(lines 129 142) the Hoare annotation is: false [2021-10-12 23:59:52,130 INFO L857 garLoopResultBuilder]: For program point L963-26(lines 963 967) no Hoare annotation was computed. [2021-10-12 23:59:52,131 INFO L853 garLoopResultBuilder]: At program point L138-2(lines 129 142) the Hoare annotation is: false [2021-10-12 23:59:52,131 INFO L857 garLoopResultBuilder]: For program point L963-27(lines 963 967) no Hoare annotation was computed. [2021-10-12 23:59:52,131 INFO L853 garLoopResultBuilder]: At program point L138-3(lines 129 142) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 1)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse8 .cse3 .cse4) (and .cse0 .cse1 .cse9 .cse7 .cse8 .cse3) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse5 .cse6))) [2021-10-12 23:59:52,131 INFO L853 garLoopResultBuilder]: At program point L138-4(lines 129 142) the Hoare annotation is: false [2021-10-12 23:59:52,131 INFO L857 garLoopResultBuilder]: For program point L963-29(lines 963 967) no Hoare annotation was computed. [2021-10-12 23:59:52,132 INFO L853 garLoopResultBuilder]: At program point L138-5(lines 129 142) the Hoare annotation is: false [2021-10-12 23:59:52,132 INFO L857 garLoopResultBuilder]: For program point L963-30(lines 963 967) no Hoare annotation was computed. [2021-10-12 23:59:52,132 INFO L853 garLoopResultBuilder]: At program point L138-6(lines 129 142) the Hoare annotation is: false [2021-10-12 23:59:52,134 INFO L853 garLoopResultBuilder]: At program point L138-7(lines 129 142) the Hoare annotation is: false [2021-10-12 23:59:52,134 INFO L857 garLoopResultBuilder]: For program point L963-32(lines 963 967) no Hoare annotation was computed. [2021-10-12 23:59:52,134 INFO L853 garLoopResultBuilder]: At program point L138-8(lines 129 142) the Hoare annotation is: false [2021-10-12 23:59:52,134 INFO L857 garLoopResultBuilder]: For program point L963-33(lines 963 967) no Hoare annotation was computed. [2021-10-12 23:59:52,135 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 873) no Hoare annotation was computed. [2021-10-12 23:59:52,135 INFO L853 garLoopResultBuilder]: At program point L138-9(lines 129 142) the Hoare annotation is: false [2021-10-12 23:59:52,135 INFO L857 garLoopResultBuilder]: For program point L865-1(lines 865 873) no Hoare annotation was computed. [2021-10-12 23:59:52,135 INFO L853 garLoopResultBuilder]: At program point L138-10(lines 129 142) the Hoare annotation is: false [2021-10-12 23:59:52,135 INFO L857 garLoopResultBuilder]: For program point L963-35(lines 963 967) no Hoare annotation was computed. [2021-10-12 23:59:52,135 INFO L857 garLoopResultBuilder]: For program point L865-2(lines 865 873) no Hoare annotation was computed. [2021-10-12 23:59:52,136 INFO L853 garLoopResultBuilder]: At program point L138-11(lines 129 142) the Hoare annotation is: false [2021-10-12 23:59:52,136 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 852) no Hoare annotation was computed. [2021-10-12 23:59:52,136 INFO L857 garLoopResultBuilder]: For program point L835-1(lines 835 852) no Hoare annotation was computed. [2021-10-12 23:59:52,136 INFO L857 garLoopResultBuilder]: For program point L835-2(lines 835 852) no Hoare annotation was computed. [2021-10-12 23:59:52,136 INFO L857 garLoopResultBuilder]: For program point L835-3(lines 835 852) no Hoare annotation was computed. [2021-10-12 23:59:52,137 INFO L857 garLoopResultBuilder]: For program point L835-4(lines 835 852) no Hoare annotation was computed. [2021-10-12 23:59:52,137 INFO L857 garLoopResultBuilder]: For program point L835-5(lines 835 852) no Hoare annotation was computed. [2021-10-12 23:59:52,137 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 259) no Hoare annotation was computed. [2021-10-12 23:59:52,137 INFO L857 garLoopResultBuilder]: For program point L274(lines 274 294) no Hoare annotation was computed. [2021-10-12 23:59:52,137 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 248) no Hoare annotation was computed. [2021-10-12 23:59:52,137 INFO L857 garLoopResultBuilder]: For program point L274-2(lines 274 294) no Hoare annotation was computed. [2021-10-12 23:59:52,138 INFO L860 garLoopResultBuilder]: At program point L241-1(lines 241 248) the Hoare annotation is: true [2021-10-12 23:59:52,138 INFO L857 garLoopResultBuilder]: For program point L274-4(lines 274 294) no Hoare annotation was computed. [2021-10-12 23:59:52,138 INFO L853 garLoopResultBuilder]: At program point L969(lines 954 972) the Hoare annotation is: false [2021-10-12 23:59:52,138 INFO L853 garLoopResultBuilder]: At program point L969-1(lines 954 972) the Hoare annotation is: false [2021-10-12 23:59:52,138 INFO L853 garLoopResultBuilder]: At program point L969-2(lines 954 972) the Hoare annotation is: false [2021-10-12 23:59:52,140 INFO L853 garLoopResultBuilder]: At program point L969-3(lines 954 972) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse8 (<= ~waterLevel~0 2)) (.cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0)) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 1)) (.cse13 (<= ~waterLevel~0 1)) (.cse14 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse15 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse6) (and .cse0 .cse1 .cse2 .cse10 .cse3 .cse4 .cse5 .cse6 .cse8 .cse9) (and .cse0 .cse1 .cse11 .cse12 .cse13 .cse14 .cse15 .cse6 .cse7))) [2021-10-12 23:59:52,140 INFO L853 garLoopResultBuilder]: At program point L969-4(lines 954 972) the Hoare annotation is: false [2021-10-12 23:59:52,141 INFO L853 garLoopResultBuilder]: At program point L969-5(lines 954 972) the Hoare annotation is: false [2021-10-12 23:59:52,141 INFO L853 garLoopResultBuilder]: At program point L969-6(lines 954 972) the Hoare annotation is: false [2021-10-12 23:59:52,142 INFO L853 garLoopResultBuilder]: At program point L969-7(lines 954 972) the Hoare annotation is: false [2021-10-12 23:59:52,142 INFO L853 garLoopResultBuilder]: At program point L969-8(lines 954 972) the Hoare annotation is: false [2021-10-12 23:59:52,142 INFO L853 garLoopResultBuilder]: At program point L969-9(lines 954 972) the Hoare annotation is: false [2021-10-12 23:59:52,142 INFO L853 garLoopResultBuilder]: At program point L969-10(lines 954 972) the Hoare annotation is: false [2021-10-12 23:59:52,143 INFO L853 garLoopResultBuilder]: At program point L969-11(lines 954 972) the Hoare annotation is: false [2021-10-12 23:59:52,143 INFO L853 garLoopResultBuilder]: At program point L905(lines 898 908) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse4 (<= ~waterLevel~0 1)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse6 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-10-12 23:59:52,143 INFO L853 garLoopResultBuilder]: At program point L905-1(lines 898 908) the Hoare annotation is: false [2021-10-12 23:59:52,143 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 847) no Hoare annotation was computed. [2021-10-12 23:59:52,143 INFO L853 garLoopResultBuilder]: At program point L905-2(lines 898 908) the Hoare annotation is: false [2021-10-12 23:59:52,144 INFO L857 garLoopResultBuilder]: For program point L839-1(lines 839 847) no Hoare annotation was computed. [2021-10-12 23:59:52,144 INFO L857 garLoopResultBuilder]: For program point L839-2(lines 839 847) no Hoare annotation was computed. [2021-10-12 23:59:52,144 INFO L857 garLoopResultBuilder]: For program point L839-3(lines 839 847) no Hoare annotation was computed. [2021-10-12 23:59:52,145 INFO L857 garLoopResultBuilder]: For program point L839-4(lines 839 847) no Hoare annotation was computed. [2021-10-12 23:59:52,145 INFO L857 garLoopResultBuilder]: For program point L839-5(lines 839 847) no Hoare annotation was computed. [2021-10-12 23:59:52,145 INFO L857 garLoopResultBuilder]: For program point L80(lines 80 84) no Hoare annotation was computed. [2021-10-12 23:59:52,145 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 754) no Hoare annotation was computed. [2021-10-12 23:59:52,145 INFO L857 garLoopResultBuilder]: For program point L280(lines 280 293) no Hoare annotation was computed. [2021-10-12 23:59:52,146 INFO L853 garLoopResultBuilder]: At program point L280-1(lines 1 999) the Hoare annotation is: (let ((.cse21 (= ~pumpRunning~0 0))) (let ((.cse14 (= ULTIMATE.start_processEnvironment_~tmp~8 0)) (.cse15 (= ULTIMATE.start_processEnvironment__wrappee__lowWaterSensor_~tmp~7 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (not .cse21)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse9 (<= ~waterLevel~0 2)) (.cse10 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse16 (= ~methaneLevelCritical~0 1)) (.cse17 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse18 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1 1)) (.cse19 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse13 (<= ~waterLevel~0 1)) (.cse20 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse12 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse8 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse0 .cse1 .cse2 .cse5 .cse13 .cse14 .cse15 .cse7 .cse8 .cse16 .cse17 .cse18) (and .cse19 .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse13 .cse14 .cse15 .cse7 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse20 .cse12) (and .cse0 .cse1 .cse2 .cse5 .cse6 .cse7 .cse8 .cse16 .cse9 .cse10 .cse11 .cse17 .cse18) (and .cse0 .cse21 .cse13 .cse8 .cse16 .cse17 .cse18) (and .cse19 .cse0 .cse21 .cse3 .cse4 .cse13 .cse8 .cse20 .cse12) (and .cse0 .cse21 .cse4 .cse8 (= ~waterLevel~0 1))))) [2021-10-12 23:59:52,146 INFO L853 garLoopResultBuilder]: At program point L214(lines 210 216) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-12 23:59:52,146 INFO L857 garLoopResultBuilder]: For program point L280-2(lines 280 293) no Hoare annotation was computed. [2021-10-12 23:59:52,146 INFO L853 garLoopResultBuilder]: At program point L280-3(lines 1 999) the Hoare annotation is: false [2021-10-12 23:59:52,146 INFO L853 garLoopResultBuilder]: At program point L148(lines 143 151) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse4 (<= ~waterLevel~0 1)) (.cse5 (= ULTIMATE.start_processEnvironment_~tmp~8 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse7 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6 .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)))) [2021-10-12 23:59:52,147 INFO L857 garLoopResultBuilder]: For program point L280-4(lines 280 293) no Hoare annotation was computed. [2021-10-12 23:59:52,147 INFO L853 garLoopResultBuilder]: At program point L148-1(lines 143 151) the Hoare annotation is: false [2021-10-12 23:59:52,148 INFO L853 garLoopResultBuilder]: At program point L280-5(lines 1 999) the Hoare annotation is: false [2021-10-12 23:59:52,148 INFO L853 garLoopResultBuilder]: At program point L148-2(lines 143 151) the Hoare annotation is: false [2021-10-12 23:59:52,148 INFO L853 garLoopResultBuilder]: At program point L148-3(lines 143 151) the Hoare annotation is: false [2021-10-12 23:59:52,148 INFO L853 garLoopResultBuilder]: At program point L148-4(lines 143 151) the Hoare annotation is: false [2021-10-12 23:59:52,148 INFO L853 garLoopResultBuilder]: At program point L148-5(lines 143 151) the Hoare annotation is: false [2021-10-12 23:59:52,149 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 826) no Hoare annotation was computed. [2021-10-12 23:59:52,149 INFO L857 garLoopResultBuilder]: For program point L809-1(lines 809 826) no Hoare annotation was computed. [2021-10-12 23:59:52,149 INFO L857 garLoopResultBuilder]: For program point L809-2(lines 809 826) no Hoare annotation was computed. [2021-10-12 23:59:52,149 INFO L857 garLoopResultBuilder]: For program point L809-3(lines 809 826) no Hoare annotation was computed. [2021-10-12 23:59:52,149 INFO L857 garLoopResultBuilder]: For program point L809-4(lines 809 826) no Hoare annotation was computed. [2021-10-12 23:59:52,149 INFO L857 garLoopResultBuilder]: For program point L809-5(lines 809 826) no Hoare annotation was computed. [2021-10-12 23:59:52,150 INFO L857 garLoopResultBuilder]: For program point L809-6(lines 809 826) no Hoare annotation was computed. [2021-10-12 23:59:52,151 INFO L857 garLoopResultBuilder]: For program point L809-7(lines 809 826) no Hoare annotation was computed. [2021-10-12 23:59:52,151 INFO L857 garLoopResultBuilder]: For program point L809-8(lines 809 826) no Hoare annotation was computed. [2021-10-12 23:59:52,151 INFO L857 garLoopResultBuilder]: For program point L809-9(lines 809 826) no Hoare annotation was computed. [2021-10-12 23:59:52,151 INFO L857 garLoopResultBuilder]: For program point L809-10(lines 809 826) no Hoare annotation was computed. [2021-10-12 23:59:52,151 INFO L857 garLoopResultBuilder]: For program point L809-11(lines 809 826) no Hoare annotation was computed. [2021-10-12 23:59:52,152 INFO L853 garLoopResultBuilder]: At program point L777(lines 776 795) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse8 (<= ~waterLevel~0 1)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse8 .cse9 .cse2) (and .cse0 .cse1 .cse6 .cse2 .cse4) (and .cse0 .cse5 .cse7 .cse8 .cse9 .cse2 .cse3))) [2021-10-12 23:59:52,152 INFO L857 garLoopResultBuilder]: For program point L777-1(lines 777 783) no Hoare annotation was computed. [2021-10-12 23:59:52,152 INFO L853 garLoopResultBuilder]: At program point L777-2(lines 776 795) the Hoare annotation is: false [2021-10-12 23:59:52,152 INFO L853 garLoopResultBuilder]: At program point L777-3(lines 776 795) the Hoare annotation is: false [2021-10-12 23:59:52,152 INFO L857 garLoopResultBuilder]: For program point L712(lines 711 758) no Hoare annotation was computed. [2021-10-12 23:59:52,152 INFO L860 garLoopResultBuilder]: At program point L250(lines 231 253) the Hoare annotation is: true [2021-10-12 23:59:52,153 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 717) no Hoare annotation was computed. [2021-10-12 23:59:52,153 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-12 23:59:52,153 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 290) no Hoare annotation was computed. [2021-10-12 23:59:52,154 INFO L857 garLoopResultBuilder]: For program point L284-2(lines 284 290) no Hoare annotation was computed. [2021-10-12 23:59:52,154 INFO L857 garLoopResultBuilder]: For program point L284-4(lines 284 290) no Hoare annotation was computed. [2021-10-12 23:59:52,154 INFO L857 garLoopResultBuilder]: For program point L813(lines 813 821) no Hoare annotation was computed. [2021-10-12 23:59:52,155 INFO L857 garLoopResultBuilder]: For program point L813-1(lines 813 821) no Hoare annotation was computed. [2021-10-12 23:59:52,155 INFO L857 garLoopResultBuilder]: For program point L813-2(lines 813 821) no Hoare annotation was computed. [2021-10-12 23:59:52,155 INFO L857 garLoopResultBuilder]: For program point L813-3(lines 813 821) no Hoare annotation was computed. [2021-10-12 23:59:52,155 INFO L857 garLoopResultBuilder]: For program point L813-4(lines 813 821) no Hoare annotation was computed. [2021-10-12 23:59:52,155 INFO L857 garLoopResultBuilder]: For program point L813-5(lines 813 821) no Hoare annotation was computed. [2021-10-12 23:59:52,156 INFO L857 garLoopResultBuilder]: For program point L813-6(lines 813 821) no Hoare annotation was computed. [2021-10-12 23:59:52,156 INFO L857 garLoopResultBuilder]: For program point L813-7(lines 813 821) no Hoare annotation was computed. [2021-10-12 23:59:52,156 INFO L857 garLoopResultBuilder]: For program point L813-8(lines 813 821) no Hoare annotation was computed. [2021-10-12 23:59:52,156 INFO L857 garLoopResultBuilder]: For program point L813-9(lines 813 821) no Hoare annotation was computed. [2021-10-12 23:59:52,156 INFO L857 garLoopResultBuilder]: For program point L813-10(lines 813 821) no Hoare annotation was computed. [2021-10-12 23:59:52,156 INFO L857 garLoopResultBuilder]: For program point L813-11(lines 813 821) no Hoare annotation was computed. [2021-10-12 23:59:52,157 INFO L853 garLoopResultBuilder]: At program point L914(lines 909 917) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 1) (not (= ~pumpRunning~0 0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1) (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2) (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1 0)) [2021-10-12 23:59:52,157 INFO L853 garLoopResultBuilder]: At program point L914-1(lines 909 917) the Hoare annotation is: false [2021-10-12 23:59:52,157 INFO L853 garLoopResultBuilder]: At program point L914-2(lines 909 917) the Hoare annotation is: false [2021-10-12 23:59:52,157 INFO L857 garLoopResultBuilder]: For program point L749(lines 749 753) no Hoare annotation was computed. [2021-10-12 23:59:52,157 INFO L853 garLoopResultBuilder]: At program point L749-2(lines 777 783) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse6 (= 1 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse3 (= ULTIMATE.start_processEnvironment_~tmp~8 0)) (.cse4 (= ULTIMATE.start_processEnvironment__wrappee__lowWaterSensor_~tmp~7 0)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse8 (<= ~waterLevel~0 2)) (.cse11 (let ((.cse12 (not .cse9))) (or (and .cse0 .cse12 (<= 2 ~waterLevel~0) .cse5 .cse6) (and .cse0 .cse12 .cse5 .cse6 (= ~waterLevel~0 1)))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse6 .cse7 .cse8) (and .cse1 .cse10 .cse2 .cse8 .cse11) (and .cse0 .cse1 .cse10 .cse2 (<= ~waterLevel~0 1) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse9 .cse10 .cse6 .cse8) (and .cse1 .cse2 .cse7 .cse8 .cse11)))) [2021-10-12 23:59:52,158 INFO L857 garLoopResultBuilder]: For program point L56(lines 56 60) no Hoare annotation was computed. [2021-10-12 23:59:52,158 INFO L857 garLoopResultBuilder]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2021-10-12 23:59:52,158 INFO L857 garLoopResultBuilder]: For program point L56-6(lines 56 60) no Hoare annotation was computed. [2021-10-12 23:59:52,158 INFO L853 garLoopResultBuilder]: At program point L321(lines 1 999) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-12 23:59:52,158 INFO L857 garLoopResultBuilder]: For program point L982(lines 982 986) no Hoare annotation was computed. [2021-10-12 23:59:52,158 INFO L857 garLoopResultBuilder]: For program point L982-2(lines 982 986) no Hoare annotation was computed. [2021-10-12 23:59:52,159 INFO L857 garLoopResultBuilder]: For program point L982-3(lines 982 986) no Hoare annotation was computed. [2021-10-12 23:59:52,159 INFO L857 garLoopResultBuilder]: For program point L982-5(lines 982 986) no Hoare annotation was computed. [2021-10-12 23:59:52,159 INFO L853 garLoopResultBuilder]: At program point L784(lines 784 790) the Hoare annotation is: (let ((.cse14 (= ~pumpRunning~0 0))) (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse12 (= ULTIMATE.start_processEnvironment_~tmp~8 0)) (.cse13 (= ULTIMATE.start_processEnvironment__wrappee__lowWaterSensor_~tmp~7 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (not .cse14)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse8 (<= ~waterLevel~0 2)) (.cse9 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse11 (<= ~waterLevel~0 1)) (.cse7 (= 1 ~systemActive~0)) (.cse15 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4 .cse11 .cse12 .cse13 .cse6 .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (and .cse0 .cse14 .cse3 .cse11 .cse7) (and .cse0 .cse1 .cse4 .cse11 .cse12 .cse13 .cse6 .cse7 .cse15 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse15 .cse8 .cse9 .cse10) (and .cse0 .cse14 .cse11 .cse7 .cse15)))) [2021-10-12 23:59:52,159 INFO L857 garLoopResultBuilder]: For program point L982-6(lines 982 986) no Hoare annotation was computed. [2021-10-12 23:59:52,159 INFO L853 garLoopResultBuilder]: At program point L784-1(lines 784 790) the Hoare annotation is: false [2021-10-12 23:59:52,160 INFO L857 garLoopResultBuilder]: For program point L982-8(lines 982 986) no Hoare annotation was computed. [2021-10-12 23:59:52,160 INFO L853 garLoopResultBuilder]: At program point L784-2(lines 784 790) the Hoare annotation is: false [2021-10-12 23:59:52,160 INFO L857 garLoopResultBuilder]: For program point L982-9(lines 982 986) no Hoare annotation was computed. [2021-10-12 23:59:52,160 INFO L857 garLoopResultBuilder]: For program point L982-11(lines 982 986) no Hoare annotation was computed. [2021-10-12 23:59:52,160 INFO L857 garLoopResultBuilder]: For program point L982-12(lines 982 986) no Hoare annotation was computed. [2021-10-12 23:59:52,160 INFO L857 garLoopResultBuilder]: For program point L982-14(lines 982 986) no Hoare annotation was computed. [2021-10-12 23:59:52,161 INFO L857 garLoopResultBuilder]: For program point L982-15(lines 982 986) no Hoare annotation was computed. [2021-10-12 23:59:52,161 INFO L857 garLoopResultBuilder]: For program point L982-17(lines 982 986) no Hoare annotation was computed. [2021-10-12 23:59:52,161 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-12 23:59:52,161 INFO L853 garLoopResultBuilder]: At program point L125(lines 120 128) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse9 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse10 (<= ~waterLevel~0 1)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse7 (= 1 ~systemActive~0)) (.cse8 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1 0))) (or (and .cse0 .cse1 (not .cse2) .cse3 .cse4 .cse5 (<= 2 ~waterLevel~0) .cse6 .cse7 (<= ~waterLevel~0 2) (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse8) (and .cse9 .cse0 .cse2 .cse3 .cse4 .cse10 .cse7 .cse8) (and .cse9 .cse0 .cse1 .cse3 .cse4 .cse5 .cse10 (= ULTIMATE.start_processEnvironment_~tmp~8 0) (= ULTIMATE.start_processEnvironment__wrappee__lowWaterSensor_~tmp~7 0) .cse6 .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse8))) [2021-10-12 23:59:52,161 INFO L853 garLoopResultBuilder]: At program point L125-1(lines 120 128) the Hoare annotation is: false [2021-10-12 23:59:52,162 INFO L853 garLoopResultBuilder]: At program point L125-2(lines 120 128) the Hoare annotation is: false [2021-10-12 23:59:52,162 INFO L853 garLoopResultBuilder]: At program point L93(lines 88 96) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse4 (<= ~waterLevel~0 1)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse6 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-10-12 23:59:52,162 INFO L853 garLoopResultBuilder]: At program point L93-1(lines 88 96) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0))) (let ((.cse7 (not .cse1)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse9 (<= 2 ~waterLevel~0)) (.cse12 (<= ~waterLevel~0 2)) (.cse13 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse16 (= ULTIMATE.start_processEnvironment_~tmp~8 0)) (.cse17 (= ULTIMATE.start_processEnvironment__wrappee__lowWaterSensor_~tmp~7 0)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 1)) (.cse5 (= 1 ~systemActive~0)) (.cse11 (= ~methaneLevelCritical~0 1)) (.cse15 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse8 .cse9 .cse10 .cse5 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse6 .cse2 .cse3 .cse8 .cse4 .cse16 .cse17 .cse10 .cse5 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (and .cse0 .cse6 .cse7 .cse2 .cse3 .cse8 .cse9 .cse10 .cse5 .cse12 .cse13 .cse14) (and .cse0 .cse6 .cse8 .cse4 .cse16 .cse17 .cse10 .cse5 .cse11 .cse15) (and .cse0 .cse1 .cse4 .cse5 .cse11 .cse15)))) [2021-10-12 23:59:52,162 INFO L853 garLoopResultBuilder]: At program point L93-2(lines 88 96) the Hoare annotation is: false [2021-10-12 23:59:52,163 INFO L853 garLoopResultBuilder]: At program point L93-3(lines 88 96) the Hoare annotation is: false [2021-10-12 23:59:52,163 INFO L853 garLoopResultBuilder]: At program point L93-4(lines 88 96) the Hoare annotation is: false [2021-10-12 23:59:52,163 INFO L853 garLoopResultBuilder]: At program point L93-5(lines 88 96) the Hoare annotation is: false [2021-10-12 23:59:52,163 INFO L857 garLoopResultBuilder]: For program point L721(lines 721 727) no Hoare annotation was computed. [2021-10-12 23:59:52,163 INFO L853 garLoopResultBuilder]: At program point L721-1(lines 721 727) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse4 (= 1 ~systemActive~0)) (.cse18 (= ~waterLevel~0 1)) (.cse1 (= ~pumpRunning~0 0))) (let ((.cse10 (= ULTIMATE.start_processEnvironment_~tmp~8 0)) (.cse11 (= ULTIMATE.start_processEnvironment__wrappee__lowWaterSensor_~tmp~7 0)) (.cse6 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse13 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse14 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1 0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse15 (= ~methaneLevelCritical~0 1)) (.cse5 (<= ~waterLevel~0 2)) (.cse19 (let ((.cse20 (not .cse1))) (or (and .cse0 .cse20 .cse3 .cse12 .cse4) (and .cse0 .cse20 .cse12 .cse4 .cse18)))) (.cse16 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse17 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~1 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse7 .cse8 .cse2 .cse9 (<= ~waterLevel~0 1) .cse10 .cse11 .cse12 .cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse13 .cse14) (and .cse0 .cse1 .cse4 .cse15 .cse5 .cse16 .cse17) (and .cse0 .cse7 .cse9 .cse10 .cse11 .cse12 .cse4 .cse15 .cse5 .cse16 .cse17) (and .cse0 .cse1 .cse2 .cse4 .cse18) (and .cse6 .cse0 .cse1 .cse8 .cse2 .cse4 .cse5 .cse13 .cse14) (and .cse7 .cse8 .cse2 .cse9 .cse5 .cse19 .cse14) (and .cse7 .cse9 .cse15 .cse5 .cse19 .cse16 .cse17)))) [2021-10-12 23:59:52,164 INFO L857 garLoopResultBuilder]: For program point L259(line 259) no Hoare annotation was computed. [2021-10-12 23:59:52,164 INFO L857 garLoopResultBuilder]: For program point L259-1(line 259) no Hoare annotation was computed. [2021-10-12 23:59:52,164 INFO L857 garLoopResultBuilder]: For program point L259-2(line 259) no Hoare annotation was computed. [2021-10-12 23:59:52,164 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-12 23:59:52,164 INFO L853 garLoopResultBuilder]: At program point L988(lines 973 991) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 1)) (.cse4 (<= ~waterLevel~0 1)) (.cse5 (= ULTIMATE.start_processEnvironment_~tmp~8 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~9 0)) (.cse7 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6 .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)))) [2021-10-12 23:59:52,165 INFO L853 garLoopResultBuilder]: At program point L988-1(lines 973 991) the Hoare annotation is: false [2021-10-12 23:59:52,165 INFO L853 garLoopResultBuilder]: At program point L988-2(lines 973 991) the Hoare annotation is: false [2021-10-12 23:59:52,165 INFO L853 garLoopResultBuilder]: At program point L988-3(lines 973 991) the Hoare annotation is: false [2021-10-12 23:59:52,165 INFO L853 garLoopResultBuilder]: At program point L988-4(lines 973 991) the Hoare annotation is: false [2021-10-12 23:59:52,165 INFO L853 garLoopResultBuilder]: At program point L988-5(lines 973 991) the Hoare annotation is: false [2021-10-12 23:59:52,166 INFO L853 garLoopResultBuilder]: At program point L329(lines 324 332) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-12 23:59:52,166 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-12 23:59:52,166 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 259) no Hoare annotation was computed. [2021-10-12 23:59:52,166 INFO L853 garLoopResultBuilder]: At program point L759(lines 710 760) the Hoare annotation is: false [2021-10-12 23:59:52,167 INFO L853 garLoopResultBuilder]: At program point L165-2(lines 165 179) the Hoare annotation is: false [2021-10-12 23:59:52,167 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-10-12 23:59:52,167 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 139) no Hoare annotation was computed. [2021-10-12 23:59:52,167 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 133 139) no Hoare annotation was computed. [2021-10-12 23:59:52,167 INFO L857 garLoopResultBuilder]: For program point L133-2(lines 133 139) no Hoare annotation was computed. [2021-10-12 23:59:52,168 INFO L857 garLoopResultBuilder]: For program point L133-3(lines 133 139) no Hoare annotation was computed. [2021-10-12 23:59:52,169 INFO L857 garLoopResultBuilder]: For program point L133-4(lines 133 139) no Hoare annotation was computed. [2021-10-12 23:59:52,169 INFO L857 garLoopResultBuilder]: For program point L133-5(lines 133 139) no Hoare annotation was computed. [2021-10-12 23:59:52,169 INFO L857 garLoopResultBuilder]: For program point L133-6(lines 133 139) no Hoare annotation was computed. [2021-10-12 23:59:52,169 INFO L857 garLoopResultBuilder]: For program point L133-7(lines 133 139) no Hoare annotation was computed. [2021-10-12 23:59:52,169 INFO L857 garLoopResultBuilder]: For program point L133-8(lines 133 139) no Hoare annotation was computed. [2021-10-12 23:59:52,169 INFO L857 garLoopResultBuilder]: For program point L133-9(lines 133 139) no Hoare annotation was computed. [2021-10-12 23:59:52,170 INFO L857 garLoopResultBuilder]: For program point L133-10(lines 133 139) no Hoare annotation was computed. [2021-10-12 23:59:52,170 INFO L857 garLoopResultBuilder]: For program point L133-11(lines 133 139) no Hoare annotation was computed. [2021-10-12 23:59:52,170 INFO L857 garLoopResultBuilder]: For program point L68(lines 68 72) no Hoare annotation was computed. [2021-10-12 23:59:52,175 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-12 23:59:52,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:59:52 BoogieIcfgContainer [2021-10-12 23:59:52,229 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-12 23:59:52,230 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-12 23:59:52,230 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-12 23:59:52,230 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-12 23:59:52,231 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:59:32" (3/4) ... [2021-10-12 23:59:52,234 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-12 23:59:52,274 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-12 23:59:52,282 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-12 23:59:52,284 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-12 23:59:52,286 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-12 23:59:52,288 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-12 23:59:52,290 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-12 23:59:52,292 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-12 23:59:52,320 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && waterLevel <= 2) && tmp == 1) && \result == 0) && tmp == 0) || (((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == 1)) || ((((((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && tmp___0 <= 1) && tmp == 0)) || ((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 1) && \result == 0) && \result == 1) && tmp == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == 1)) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && tmp == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) [2021-10-12 23:59:52,321 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) || (((((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && tmp___0 <= 1) && tmp == 0)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 1) && tmp == 1)) || ((((((((((splverifierCounter == 0 && \result == 1) && tmp___0 == 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 1) && tmp == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) && tmp___0 <= 1) && tmp == 0)) || ((((((\result == 1 && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 2) && (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && waterLevel == 1))) && tmp == 0)) || ((((((\result == 1 && tmp___0 == 1) && methaneLevelCritical == 1) && waterLevel <= 2) && (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && waterLevel == 1))) && \result == 1) && tmp == 1) [2021-10-12 23:59:52,322 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0 && \result == 1) && tmp___0 == 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2)) || ((((\result == 1 && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 2) && (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && waterLevel == 1)))) || ((((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2)) || ((((\result == 1 && tmp___0 == 1) && methaneLevelCritical == 1) && waterLevel <= 2) && (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && waterLevel == 1))) [2021-10-12 23:59:52,323 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0 && \result == 1) && tmp___0 == 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2)) || ((((\result == 1 && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 2) && (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && waterLevel == 1)))) || ((((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2)) || ((((\result == 1 && tmp___0 == 1) && methaneLevelCritical == 1) && waterLevel <= 2) && (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && waterLevel == 1))) [2021-10-12 23:59:52,324 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) || ((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2)) || ((((((splverifierCounter == 0 && \result == 1) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-12 23:59:52,324 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && waterLevel <= 2) && tmp == 1) && \result == 0) || ((((((((((splverifierCounter == 0 && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || (((((((((splverifierCounter == 0 && \result == 1) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 1) && \result == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-12 23:59:52,326 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) || (((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 1) && \result == 0) && \result == 1)) || ((((((((((splverifierCounter == 0 && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0)) || (((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && waterLevel <= 2) && tmp == 1) && \result == 0)) || (((((((((splverifierCounter == 0 && \result == 1) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) [2021-10-12 23:59:52,327 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && 1 == systemActive) || ((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) [2021-10-12 23:59:52,334 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && \result == 0) || ((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) [2021-10-12 23:59:52,335 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && waterLevel <= 2) && tmp == 1) && \result == 0) && tmp == 0) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0)) || ((((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && tmp == 0) [2021-10-12 23:59:52,335 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 0) || (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && 1 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 0) [2021-10-12 23:59:52,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 0) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp___0 == 0) && tmp == 1) && waterLevel <= 1) && \result == 0) && \result == 1) && 1 == systemActive)) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && waterLevel <= 2) && \result == 0)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && tmp == 1) && waterLevel <= 1) && \result == 0) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-12 23:59:52,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && !(\result == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && waterLevel <= 2) && tmp == 1) && \result == 0) && tmp == 0 [2021-10-12 23:59:52,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || ((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0) [2021-10-12 23:59:52,340 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || ((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0) [2021-10-12 23:59:52,419 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-12 23:59:52,420 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-12 23:59:52,421 INFO L168 Benchmark]: Toolchain (without parser) took 21777.07 ms. Allocated memory was 109.1 MB in the beginning and 299.9 MB in the end (delta: 190.8 MB). Free memory was 68.6 MB in the beginning and 215.0 MB in the end (delta: -146.4 MB). Peak memory consumption was 43.6 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:52,422 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 109.1 MB. Free memory is still 86.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-12 23:59:52,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.16 ms. Allocated memory is still 109.1 MB. Free memory was 68.4 MB in the beginning and 74.6 MB in the end (delta: -6.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:52,422 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.51 ms. Allocated memory is still 109.1 MB. Free memory was 74.6 MB in the beginning and 69.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:52,423 INFO L168 Benchmark]: Boogie Preprocessor took 118.01 ms. Allocated memory is still 109.1 MB. Free memory was 69.5 MB in the beginning and 66.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:52,423 INFO L168 Benchmark]: RCFGBuilder took 1398.39 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 66.2 MB in the beginning and 80.9 MB in the end (delta: -14.7 MB). Peak memory consumption was 41.5 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:52,424 INFO L168 Benchmark]: TraceAbstraction took 19234.09 ms. Allocated memory was 132.1 MB in the beginning and 299.9 MB in the end (delta: 167.8 MB). Free memory was 80.9 MB in the beginning and 230.7 MB in the end (delta: -149.8 MB). Peak memory consumption was 159.3 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:52,424 INFO L168 Benchmark]: Witness Printer took 190.01 ms. Allocated memory is still 299.9 MB. Free memory was 230.7 MB in the beginning and 215.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-12 23:59:52,426 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 109.1 MB. Free memory is still 86.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 726.16 ms. Allocated memory is still 109.1 MB. Free memory was 68.4 MB in the beginning and 74.6 MB in the end (delta: -6.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.51 ms. Allocated memory is still 109.1 MB. Free memory was 74.6 MB in the beginning and 69.5 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 118.01 ms. Allocated memory is still 109.1 MB. Free memory was 69.5 MB in the beginning and 66.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1398.39 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 66.2 MB in the beginning and 80.9 MB in the end (delta: -14.7 MB). Peak memory consumption was 41.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 19234.09 ms. Allocated memory was 132.1 MB in the beginning and 299.9 MB in the end (delta: 167.8 MB). Free memory was 80.9 MB in the beginning and 230.7 MB in the end (delta: -149.8 MB). Peak memory consumption was 159.3 MB. Max. memory is 16.1 GB. * Witness Printer took 190.01 ms. Allocated memory is still 299.9 MB. Free memory was 230.7 MB in the beginning and 215.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 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: 259]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 259]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 259]: 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: 19113.9ms, OverallIterations: 16, TraceHistogramMax: 2, EmptinessCheckTime: 42.9ms, AutomataDifference: 2035.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 13614.9ms, InitialAbstractionConstructionTime: 24.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2088 SDtfs, 2816 SDslu, 3577 SDs, 0 SdLazy, 505 SolverSat, 92 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 650.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 230 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 398.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=258occurred in iteration=12, InterpolantAutomatonStates: 97, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 341.8ms AutomataMinimizationTime, 16 MinimizatonAttempts, 1946 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 70 LocationsWithAnnotation, 70 PreInvPairs, 329 NumberOfFragments, 2002 HoareAnnotationTreeSize, 70 FomulaSimplifications, 65632031 FormulaSimplificationTreeSizeReduction, 4023.4ms HoareSimplificationTime, 70 FomulaSimplificationsInter, 10298107 FormulaSimplificationTreeSizeReductionInter, 9566.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 162.7ms SsaConstructionTime, 625.8ms SatisfiabilityAnalysisTime, 1342.3ms InterpolantComputationTime, 733 NumberOfCodeBlocks, 733 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 715 ConstructedInterpolants, 0 QuantifiedInterpolants, 1414 SizeOfPredicates, 6 NumberOfNonLiveVariables, 902 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 104/120 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: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 0) || (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && 1 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 0) - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && !(\result == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && waterLevel <= 2) && tmp == 1) && \result == 0) && tmp == 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && waterLevel <= 2) && tmp == 1) && \result == 0) && tmp == 0) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0)) || ((((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && tmp == 0) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) || ((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2)) || ((((((splverifierCounter == 0 && \result == 1) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || ((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0 && \result == 1) && tmp___0 == 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2)) || ((((\result == 1 && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 2) && (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && waterLevel == 1)))) || ((((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2)) || ((((\result == 1 && tmp___0 == 1) && methaneLevelCritical == 1) && waterLevel <= 2) && (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && waterLevel == 1))) - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && 1 == systemActive) || ((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && waterLevel <= 2) && tmp == 1) && \result == 0) && tmp == 0) || (((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == 1)) || ((((((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && tmp___0 <= 1) && tmp == 0)) || ((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 1) && \result == 0) && \result == 1) && tmp == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == 1)) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && tmp == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || ((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) || (((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 1) && \result == 0) && \result == 1)) || ((((((((((splverifierCounter == 0 && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0)) || (((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && waterLevel <= 2) && tmp == 1) && \result == 0)) || (((((((((splverifierCounter == 0 && \result == 1) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 0) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp___0 == 0) && tmp == 1) && waterLevel <= 1) && \result == 0) && \result == 1) && 1 == systemActive)) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && waterLevel <= 2) && \result == 0)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && tmp == 1) && waterLevel <= 1) && \result == 0) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && waterLevel <= 2) && tmp == 1) && \result == 0) || ((((((((((splverifierCounter == 0 && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || (((((((((splverifierCounter == 0 && \result == 1) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 1) && \result == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && \result == 0) || ((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) || (((((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && \result == 0) && tmp___0 <= 1) && tmp == 0)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 1) && tmp == 1)) || ((((((((((splverifierCounter == 0 && \result == 1) && tmp___0 == 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 1) && tmp == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) && tmp___0 <= 1) && tmp == 0)) || ((((((\result == 1 && \result == 0) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 2) && (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && waterLevel == 1))) && tmp == 0)) || ((((((\result == 1 && tmp___0 == 1) && methaneLevelCritical == 1) && waterLevel <= 2) && (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && waterLevel == 1))) && \result == 1) && tmp == 1) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0 && \result == 1) && tmp___0 == 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2)) || ((((\result == 1 && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 2) && (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && waterLevel == 1)))) || ((((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && tmp___0 == 1) && waterLevel <= 1) && tmp == 0) && tmp == 0) && tmp == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2)) || ((((\result == 1 && tmp___0 == 1) && methaneLevelCritical == 1) && waterLevel <= 2) && (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && tmp == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) && waterLevel == 1))) - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-12 23:59:52,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cc6905d-1087-47bb-82c0-161bb960dc5f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...