./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 837951bb35a66379a80a07f15314d2b43ee3f47728002b8b604897c09f36abe4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:42:48,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:42:48,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:42:48,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:42:48,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:42:48,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:42:48,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:42:48,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:42:48,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:42:48,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:42:48,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:42:48,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:42:48,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:42:48,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:42:48,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:42:48,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:42:48,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:42:48,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:42:48,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:42:48,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:42:48,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:42:48,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:42:48,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:42:48,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:42:48,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:42:48,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:42:48,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:42:48,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:42:48,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:42:48,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:42:48,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:42:48,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:42:48,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:42:48,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:42:48,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:42:48,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:42:48,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:42:48,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:42:48,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:42:48,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:42:48,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:42:48,274 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:42:48,307 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:42:48,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:42:48,307 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:42:48,308 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:42:48,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:42:48,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:42:48,310 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:42:48,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:42:48,310 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:42:48,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:42:48,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:42:48,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:42:48,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:42:48,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:42:48,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:42:48,312 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:42:48,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:42:48,312 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:42:48,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:42:48,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:42:48,313 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:42:48,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:42:48,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:42:48,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:42:48,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:42:48,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:42:48,319 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:42:48,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:42:48,321 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:42:48,322 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:42:48,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:42:48,323 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:42:48,323 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_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 837951bb35a66379a80a07f15314d2b43ee3f47728002b8b604897c09f36abe4 [2021-10-21 19:42:48,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:42:48,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:42:48,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:42:48,690 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:42:48,691 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:42:48,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c [2021-10-21 19:42:48,815 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/data/b65844ee6/19f7119534bf4ea29cf1f43cc9da9897/FLAG0d55d9d61 [2021-10-21 19:42:49,455 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:42:49,456 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c [2021-10-21 19:42:49,470 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/data/b65844ee6/19f7119534bf4ea29cf1f43cc9da9897/FLAG0d55d9d61 [2021-10-21 19:42:49,675 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/data/b65844ee6/19f7119534bf4ea29cf1f43cc9da9897 [2021-10-21 19:42:49,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:42:49,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:42:49,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:42:49,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:42:49,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:42:49,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:42:49" (1/1) ... [2021-10-21 19:42:49,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@518de379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:49, skipping insertion in model container [2021-10-21 19:42:49,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:42:49" (1/1) ... [2021-10-21 19:42:49,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:42:49,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:42:50,168 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_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c[18588,18601] [2021-10-21 19:42:50,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:42:50,205 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:42:50,357 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_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c[18588,18601] [2021-10-21 19:42:50,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:42:50,394 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:42:50,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:50 WrapperNode [2021-10-21 19:42:50,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:42:50,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:42:50,397 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:42:50,397 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:42:50,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:50" (1/1) ... [2021-10-21 19:42:50,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:50" (1/1) ... [2021-10-21 19:42:50,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:42:50,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:42:50,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:42:50,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:42:50,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:50" (1/1) ... [2021-10-21 19:42:50,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:50" (1/1) ... [2021-10-21 19:42:50,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:50" (1/1) ... [2021-10-21 19:42:50,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:50" (1/1) ... [2021-10-21 19:42:50,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:50" (1/1) ... [2021-10-21 19:42:50,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:50" (1/1) ... [2021-10-21 19:42:50,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:50" (1/1) ... [2021-10-21 19:42:50,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:42:50,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:42:50,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:42:50,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:42:50,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:50" (1/1) ... [2021-10-21 19:42:50,650 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:42:50,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:42:50,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:42:50,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:42:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:42:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:42:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:42:50,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:42:51,962 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:42:51,979 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-10-21 19:42:51,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:42:51 BoogieIcfgContainer [2021-10-21 19:42:51,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:42:51,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:42:51,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:42:52,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:42:52,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:42:49" (1/3) ... [2021-10-21 19:42:52,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c9b5f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:42:52, skipping insertion in model container [2021-10-21 19:42:52,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:42:50" (2/3) ... [2021-10-21 19:42:52,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c9b5f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:42:52, skipping insertion in model container [2021-10-21 19:42:52,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:42:51" (3/3) ... [2021-10-21 19:42:52,004 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product49.cil.c [2021-10-21 19:42:52,010 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:42:52,010 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-21 19:42:52,073 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:42:52,087 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:42:52,088 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-21 19:42:52,108 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 119 states have (on average 1.5630252100840336) internal successors, (186), 122 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:52,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-21 19:42:52,115 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:42:52,116 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:42:52,117 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:42:52,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:42:52,123 INFO L82 PathProgramCache]: Analyzing trace with hash 641779472, now seen corresponding path program 1 times [2021-10-21 19:42:52,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:42:52,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159194536] [2021-10-21 19:42:52,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:42:52,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:42:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:42:52,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:42:52,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:42:52,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159194536] [2021-10-21 19:42:52,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159194536] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:42:52,403 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:42:52,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:42:52,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808979978] [2021-10-21 19:42:52,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:42:52,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:42:52,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:42:52,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:42:52,455 INFO L87 Difference]: Start difference. First operand has 123 states, 119 states have (on average 1.5630252100840336) internal successors, (186), 122 states have internal predecessors, (186), 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) [2021-10-21 19:42:52,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:42:52,516 INFO L93 Difference]: Finished difference Result 240 states and 365 transitions. [2021-10-21 19:42:52,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:42:52,518 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 [2021-10-21 19:42:52,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:42:52,530 INFO L225 Difference]: With dead ends: 240 [2021-10-21 19:42:52,531 INFO L226 Difference]: Without dead ends: 119 [2021-10-21 19:42:52,535 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:42:52,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-10-21 19:42:52,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-10-21 19:42:52,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 116 states have (on average 1.5) internal successors, (174), 118 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:52,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2021-10-21 19:42:52,594 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 18 [2021-10-21 19:42:52,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:42:52,595 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2021-10-21 19:42:52,595 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) [2021-10-21 19:42:52,596 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2021-10-21 19:42:52,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-21 19:42:52,597 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:42:52,598 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:42:52,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:42:52,599 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:42:52,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:42:52,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1103918604, now seen corresponding path program 1 times [2021-10-21 19:42:52,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:42:52,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933072794] [2021-10-21 19:42:52,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:42:52,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:42:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:42:52,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:42:52,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:42:52,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933072794] [2021-10-21 19:42:52,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933072794] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:42:52,792 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:42:52,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:42:52,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421659714] [2021-10-21 19:42:52,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:42:52,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:42:52,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:42:52,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:42:52,797 INFO L87 Difference]: Start difference. First operand 119 states and 174 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) [2021-10-21 19:42:52,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:42:52,810 INFO L93 Difference]: Finished difference Result 119 states and 174 transitions. [2021-10-21 19:42:52,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:42:52,811 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 [2021-10-21 19:42:52,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:42:52,812 INFO L225 Difference]: With dead ends: 119 [2021-10-21 19:42:52,812 INFO L226 Difference]: Without dead ends: 49 [2021-10-21 19:42:52,813 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:42:52,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-21 19:42:52,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-21 19:42:52,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 48 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:52,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-10-21 19:42:52,821 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-10-21 19:42:52,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:42:52,821 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-10-21 19:42:52,822 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) [2021-10-21 19:42:52,822 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-10-21 19:42:52,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-21 19:42:52,825 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:42:52,826 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] [2021-10-21 19:42:52,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:42:52,827 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:42:52,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:42:52,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1148023213, now seen corresponding path program 1 times [2021-10-21 19:42:52,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:42:52,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967728532] [2021-10-21 19:42:52,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:42:52,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:42:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:42:53,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:42:53,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:42:53,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967728532] [2021-10-21 19:42:53,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967728532] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:42:53,004 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:42:53,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:42:53,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563169217] [2021-10-21 19:42:53,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:42:53,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:42:53,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:42:53,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:42:53,006 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:53,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:42:53,022 INFO L93 Difference]: Finished difference Result 92 states and 136 transitions. [2021-10-21 19:42:53,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:42:53,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-21 19:42:53,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:42:53,034 INFO L225 Difference]: With dead ends: 92 [2021-10-21 19:42:53,034 INFO L226 Difference]: Without dead ends: 49 [2021-10-21 19:42:53,035 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:42:53,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-21 19:42:53,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-21 19:42:53,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 48 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:53,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2021-10-21 19:42:53,042 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2021-10-21 19:42:53,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:42:53,043 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2021-10-21 19:42:53,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:53,043 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-10-21 19:42:53,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-21 19:42:53,044 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:42:53,045 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] [2021-10-21 19:42:53,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:42:53,045 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:42:53,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:42:53,046 INFO L82 PathProgramCache]: Analyzing trace with hash -43063729, now seen corresponding path program 1 times [2021-10-21 19:42:53,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:42:53,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085254528] [2021-10-21 19:42:53,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:42:53,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:42:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:42:53,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:42:53,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:42:53,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085254528] [2021-10-21 19:42:53,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085254528] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:42:53,170 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:42:53,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:42:53,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548014928] [2021-10-21 19:42:53,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:42:53,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:42:53,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:42:53,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:42:53,172 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:53,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:42:53,216 INFO L93 Difference]: Finished difference Result 115 states and 167 transitions. [2021-10-21 19:42:53,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:42:53,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-21 19:42:53,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:42:53,218 INFO L225 Difference]: With dead ends: 115 [2021-10-21 19:42:53,218 INFO L226 Difference]: Without dead ends: 72 [2021-10-21 19:42:53,218 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:42:53,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-10-21 19:42:53,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2021-10-21 19:42:53,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 1.434782608695652) internal successors, (99), 69 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:53,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 99 transitions. [2021-10-21 19:42:53,228 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 99 transitions. Word has length 26 [2021-10-21 19:42:53,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:42:53,229 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 99 transitions. [2021-10-21 19:42:53,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:53,229 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2021-10-21 19:42:53,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-21 19:42:53,235 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:42:53,235 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] [2021-10-21 19:42:53,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:42:53,236 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:42:53,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:42:53,239 INFO L82 PathProgramCache]: Analyzing trace with hash -743213728, now seen corresponding path program 1 times [2021-10-21 19:42:53,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:42:53,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543078231] [2021-10-21 19:42:53,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:42:53,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:42:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:42:53,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:42:53,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:42:53,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543078231] [2021-10-21 19:42:53,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543078231] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:42:53,326 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:42:53,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:42:53,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410065603] [2021-10-21 19:42:53,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:42:53,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:42:53,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:42:53,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:42:53,329 INFO L87 Difference]: Start difference. First operand 70 states and 99 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:53,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:42:53,416 INFO L93 Difference]: Finished difference Result 187 states and 263 transitions. [2021-10-21 19:42:53,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:42:53,417 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 32 [2021-10-21 19:42:53,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:42:53,420 INFO L225 Difference]: With dead ends: 187 [2021-10-21 19:42:53,420 INFO L226 Difference]: Without dead ends: 123 [2021-10-21 19:42:53,422 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:42:53,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-10-21 19:42:53,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 76. [2021-10-21 19:42:53,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 1.4) internal successors, (105), 75 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:53,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2021-10-21 19:42:53,441 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 105 transitions. Word has length 32 [2021-10-21 19:42:53,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:42:53,442 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 105 transitions. [2021-10-21 19:42:53,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:53,443 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2021-10-21 19:42:53,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-21 19:42:53,446 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:42:53,446 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] [2021-10-21 19:42:53,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:42:53,447 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:42:53,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:42:53,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1870609821, now seen corresponding path program 1 times [2021-10-21 19:42:53,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:42:53,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352573599] [2021-10-21 19:42:53,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:42:53,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:42:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:42:53,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:42:53,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:42:53,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352573599] [2021-10-21 19:42:53,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352573599] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:42:53,582 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:42:53,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:42:53,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173646824] [2021-10-21 19:42:53,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:42:53,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:42:53,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:42:53,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:42:53,590 INFO L87 Difference]: Start difference. First operand 76 states and 105 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:53,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:42:53,758 INFO L93 Difference]: Finished difference Result 381 states and 542 transitions. [2021-10-21 19:42:53,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:42:53,760 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 32 [2021-10-21 19:42:53,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:42:53,771 INFO L225 Difference]: With dead ends: 381 [2021-10-21 19:42:53,772 INFO L226 Difference]: Without dead ends: 311 [2021-10-21 19:42:53,775 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 39.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:42:53,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-10-21 19:42:53,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 123. [2021-10-21 19:42:53,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 122 states have (on average 1.3688524590163935) internal successors, (167), 122 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:53,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 167 transitions. [2021-10-21 19:42:53,814 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 167 transitions. Word has length 32 [2021-10-21 19:42:53,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:42:53,814 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 167 transitions. [2021-10-21 19:42:53,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:53,815 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 167 transitions. [2021-10-21 19:42:53,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 19:42:53,824 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:42:53,824 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] [2021-10-21 19:42:53,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:42:53,825 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:42:53,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:42:53,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1353310945, now seen corresponding path program 1 times [2021-10-21 19:42:53,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:42:53,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555413206] [2021-10-21 19:42:53,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:42:53,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:42:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:42:53,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:42:53,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:42:53,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555413206] [2021-10-21 19:42:53,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555413206] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:42:53,915 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:42:53,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:42:53,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051493978] [2021-10-21 19:42:53,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:42:53,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:42:53,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:42:53,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:42:53,920 INFO L87 Difference]: Start difference. First operand 123 states and 167 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 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) [2021-10-21 19:42:54,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:42:54,029 INFO L93 Difference]: Finished difference Result 254 states and 351 transitions. [2021-10-21 19:42:54,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:42:54,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 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 [2021-10-21 19:42:54,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:42:54,032 INFO L225 Difference]: With dead ends: 254 [2021-10-21 19:42:54,033 INFO L226 Difference]: Without dead ends: 184 [2021-10-21 19:42:54,033 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.9ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:42:54,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2021-10-21 19:42:54,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 181. [2021-10-21 19:42:54,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 180 states have (on average 1.3666666666666667) internal successors, (246), 180 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:54,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 246 transitions. [2021-10-21 19:42:54,060 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 246 transitions. Word has length 33 [2021-10-21 19:42:54,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:42:54,060 INFO L470 AbstractCegarLoop]: Abstraction has 181 states and 246 transitions. [2021-10-21 19:42:54,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 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) [2021-10-21 19:42:54,061 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 246 transitions. [2021-10-21 19:42:54,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 19:42:54,064 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:42:54,064 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] [2021-10-21 19:42:54,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:42:54,064 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:42:54,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:42:54,065 INFO L82 PathProgramCache]: Analyzing trace with hash 342193695, now seen corresponding path program 1 times [2021-10-21 19:42:54,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:42:54,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893046952] [2021-10-21 19:42:54,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:42:54,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:42:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:42:54,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:42:54,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:42:54,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893046952] [2021-10-21 19:42:54,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893046952] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:42:54,129 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:42:54,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:42:54,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881688436] [2021-10-21 19:42:54,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:42:54,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:42:54,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:42:54,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:42:54,131 INFO L87 Difference]: Start difference. First operand 181 states and 246 transitions. Second operand has 4 states, 4 states have (on average 8.25) 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) [2021-10-21 19:42:54,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:42:54,189 INFO L93 Difference]: Finished difference Result 428 states and 593 transitions. [2021-10-21 19:42:54,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:42:54,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) 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 [2021-10-21 19:42:54,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:42:54,193 INFO L225 Difference]: With dead ends: 428 [2021-10-21 19:42:54,193 INFO L226 Difference]: Without dead ends: 299 [2021-10-21 19:42:54,195 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:42:54,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2021-10-21 19:42:54,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 175. [2021-10-21 19:42:54,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 174 states have (on average 1.367816091954023) internal successors, (238), 174 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:54,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 238 transitions. [2021-10-21 19:42:54,210 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 238 transitions. Word has length 33 [2021-10-21 19:42:54,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:42:54,211 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 238 transitions. [2021-10-21 19:42:54,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) 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) [2021-10-21 19:42:54,211 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 238 transitions. [2021-10-21 19:42:54,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 19:42:54,212 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:42:54,212 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] [2021-10-21 19:42:54,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:42:54,213 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:42:54,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:42:54,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1727755226, now seen corresponding path program 1 times [2021-10-21 19:42:54,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:42:54,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88404303] [2021-10-21 19:42:54,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:42:54,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:42:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:42:54,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:42:54,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:42:54,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88404303] [2021-10-21 19:42:54,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88404303] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:42:54,310 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:42:54,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:42:54,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094688315] [2021-10-21 19:42:54,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 19:42:54,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:42:54,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 19:42:54,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:42:54,314 INFO L87 Difference]: Start difference. First operand 175 states and 238 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 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) [2021-10-21 19:42:54,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:42:54,533 INFO L93 Difference]: Finished difference Result 514 states and 710 transitions. [2021-10-21 19:42:54,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-21 19:42:54,534 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 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 [2021-10-21 19:42:54,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:42:54,537 INFO L225 Difference]: With dead ends: 514 [2021-10-21 19:42:54,537 INFO L226 Difference]: Without dead ends: 345 [2021-10-21 19:42:54,538 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 76.0ms TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-10-21 19:42:54,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2021-10-21 19:42:54,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 154. [2021-10-21 19:42:54,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 1.3202614379084967) internal successors, (202), 153 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:54,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 202 transitions. [2021-10-21 19:42:54,555 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 202 transitions. Word has length 33 [2021-10-21 19:42:54,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:42:54,556 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 202 transitions. [2021-10-21 19:42:54,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 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) [2021-10-21 19:42:54,556 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 202 transitions. [2021-10-21 19:42:54,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-21 19:42:54,557 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:42:54,557 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] [2021-10-21 19:42:54,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:42:54,557 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:42:54,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:42:54,558 INFO L82 PathProgramCache]: Analyzing trace with hash 600359133, now seen corresponding path program 1 times [2021-10-21 19:42:54,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:42:54,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097711834] [2021-10-21 19:42:54,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:42:54,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:42:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:42:54,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:42:54,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:42:54,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097711834] [2021-10-21 19:42:54,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097711834] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:42:54,645 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:42:54,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:42:54,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931445464] [2021-10-21 19:42:54,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:42:54,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:42:54,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:42:54,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:42:54,649 INFO L87 Difference]: Start difference. First operand 154 states and 202 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) [2021-10-21 19:42:54,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:42:54,716 INFO L93 Difference]: Finished difference Result 391 states and 522 transitions. [2021-10-21 19:42:54,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:42:54,717 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 [2021-10-21 19:42:54,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:42:54,719 INFO L225 Difference]: With dead ends: 391 [2021-10-21 19:42:54,719 INFO L226 Difference]: Without dead ends: 243 [2021-10-21 19:42:54,720 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:42:54,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2021-10-21 19:42:54,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 142. [2021-10-21 19:42:54,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.297872340425532) internal successors, (183), 141 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:54,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 183 transitions. [2021-10-21 19:42:54,742 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 183 transitions. Word has length 33 [2021-10-21 19:42:54,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:42:54,743 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 183 transitions. [2021-10-21 19:42:54,743 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) [2021-10-21 19:42:54,743 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 183 transitions. [2021-10-21 19:42:54,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-21 19:42:54,745 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:42:54,745 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, 1] [2021-10-21 19:42:54,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:42:54,746 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:42:54,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:42:54,747 INFO L82 PathProgramCache]: Analyzing trace with hash 241491333, now seen corresponding path program 1 times [2021-10-21 19:42:54,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:42:54,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543530547] [2021-10-21 19:42:54,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:42:54,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:42:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:42:54,812 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-21 19:42:54,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:42:54,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543530547] [2021-10-21 19:42:54,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543530547] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:42:54,813 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:42:54,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:42:54,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250256368] [2021-10-21 19:42:54,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:42:54,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:42:54,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:42:54,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:42:54,816 INFO L87 Difference]: Start difference. First operand 142 states and 183 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:54,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:42:54,861 INFO L93 Difference]: Finished difference Result 285 states and 375 transitions. [2021-10-21 19:42:54,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:42:54,862 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-10-21 19:42:54,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:42:54,864 INFO L225 Difference]: With dead ends: 285 [2021-10-21 19:42:54,865 INFO L226 Difference]: Without dead ends: 175 [2021-10-21 19:42:54,865 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:42:54,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-10-21 19:42:54,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 126. [2021-10-21 19:42:54,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 1.304) internal successors, (163), 125 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:54,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 163 transitions. [2021-10-21 19:42:54,881 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 163 transitions. Word has length 52 [2021-10-21 19:42:54,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:42:54,881 INFO L470 AbstractCegarLoop]: Abstraction has 126 states and 163 transitions. [2021-10-21 19:42:54,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:54,882 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 163 transitions. [2021-10-21 19:42:54,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-21 19:42:54,882 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:42:54,883 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:42:54,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 19:42:54,884 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:42:54,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:42:54,884 INFO L82 PathProgramCache]: Analyzing trace with hash -330933439, now seen corresponding path program 1 times [2021-10-21 19:42:54,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:42:54,885 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566617020] [2021-10-21 19:42:54,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:42:54,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:42:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:42:54,979 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:42:54,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:42:54,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566617020] [2021-10-21 19:42:54,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566617020] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:42:54,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:42:54,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:42:54,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374464083] [2021-10-21 19:42:54,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:42:54,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:42:54,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:42:54,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:42:54,982 INFO L87 Difference]: Start difference. First operand 126 states and 163 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:55,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:42:55,104 INFO L93 Difference]: Finished difference Result 656 states and 844 transitions. [2021-10-21 19:42:55,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 19:42:55,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 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 [2021-10-21 19:42:55,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:42:55,108 INFO L225 Difference]: With dead ends: 656 [2021-10-21 19:42:55,109 INFO L226 Difference]: Without dead ends: 536 [2021-10-21 19:42:55,109 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 35.7ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:42:55,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2021-10-21 19:42:55,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 244. [2021-10-21 19:42:55,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 243 states have (on average 1.2757201646090535) internal successors, (310), 243 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:55,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 310 transitions. [2021-10-21 19:42:55,145 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 310 transitions. Word has length 53 [2021-10-21 19:42:55,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:42:55,146 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 310 transitions. [2021-10-21 19:42:55,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:55,146 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 310 transitions. [2021-10-21 19:42:55,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-21 19:42:55,147 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:42:55,147 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, 1] [2021-10-21 19:42:55,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 19:42:55,148 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:42:55,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:42:55,148 INFO L82 PathProgramCache]: Analyzing trace with hash -454216901, now seen corresponding path program 1 times [2021-10-21 19:42:55,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:42:55,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086930662] [2021-10-21 19:42:55,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:42:55,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:42:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:42:55,216 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-21 19:42:55,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:42:55,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086930662] [2021-10-21 19:42:55,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086930662] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:42:55,217 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:42:55,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:42:55,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276150665] [2021-10-21 19:42:55,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:42:55,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:42:55,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:42:55,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:42:55,219 INFO L87 Difference]: Start difference. First operand 244 states and 310 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:55,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:42:55,291 INFO L93 Difference]: Finished difference Result 516 states and 670 transitions. [2021-10-21 19:42:55,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:42:55,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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 [2021-10-21 19:42:55,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:42:55,295 INFO L225 Difference]: With dead ends: 516 [2021-10-21 19:42:55,295 INFO L226 Difference]: Without dead ends: 330 [2021-10-21 19:42:55,296 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.5ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:42:55,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2021-10-21 19:42:55,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 250. [2021-10-21 19:42:55,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 249 states have (on average 1.2690763052208835) internal successors, (316), 249 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:55,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 316 transitions. [2021-10-21 19:42:55,332 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 316 transitions. Word has length 54 [2021-10-21 19:42:55,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:42:55,333 INFO L470 AbstractCegarLoop]: Abstraction has 250 states and 316 transitions. [2021-10-21 19:42:55,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:55,333 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 316 transitions. [2021-10-21 19:42:55,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-21 19:42:55,334 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:42:55,334 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, 1] [2021-10-21 19:42:55,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 19:42:55,335 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:42:55,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:42:55,336 INFO L82 PathProgramCache]: Analyzing trace with hash -196051463, now seen corresponding path program 1 times [2021-10-21 19:42:55,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:42:55,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195971465] [2021-10-21 19:42:55,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:42:55,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:42:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:42:55,413 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 19:42:55,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:42:55,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195971465] [2021-10-21 19:42:55,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195971465] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:42:55,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915708917] [2021-10-21 19:42:55,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:42:55,414 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:42:55,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:42:55,418 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:42:55,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:42:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:42:55,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:42:55,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:42:55,839 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 19:42:55,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915708917] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:42:55,839 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:42:55,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-21 19:42:55,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317613023] [2021-10-21 19:42:55,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 19:42:55,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:42:55,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:42:55,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:42:55,842 INFO L87 Difference]: Start difference. First operand 250 states and 316 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:56,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:42:56,026 INFO L93 Difference]: Finished difference Result 608 states and 764 transitions. [2021-10-21 19:42:56,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:42:56,027 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-10-21 19:42:56,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:42:56,030 INFO L225 Difference]: With dead ends: 608 [2021-10-21 19:42:56,031 INFO L226 Difference]: Without dead ends: 364 [2021-10-21 19:42:56,032 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 51.3ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-21 19:42:56,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-10-21 19:42:56,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 236. [2021-10-21 19:42:56,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 235 states have (on average 1.2297872340425533) internal successors, (289), 235 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:56,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 289 transitions. [2021-10-21 19:42:56,066 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 289 transitions. Word has length 54 [2021-10-21 19:42:56,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:42:56,067 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 289 transitions. [2021-10-21 19:42:56,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:56,067 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 289 transitions. [2021-10-21 19:42:56,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-21 19:42:56,068 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:42:56,069 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] [2021-10-21 19:42:56,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:42:56,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-21 19:42:56,289 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:42:56,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:42:56,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1751298828, now seen corresponding path program 1 times [2021-10-21 19:42:56,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:42:56,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808032121] [2021-10-21 19:42:56,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:42:56,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:42:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:42:56,444 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-21 19:42:56,444 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:42:56,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808032121] [2021-10-21 19:42:56,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808032121] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:42:56,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383557789] [2021-10-21 19:42:56,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:42:56,446 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:42:56,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:42:56,447 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:42:56,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 19:42:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:42:56,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 19:42:56,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:42:56,884 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-21 19:42:56,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383557789] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:42:56,884 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:42:56,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-10-21 19:42:56,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035185043] [2021-10-21 19:42:56,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:42:56,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:42:56,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:42:56,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:42:56,889 INFO L87 Difference]: Start difference. First operand 236 states and 289 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:57,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:42:57,138 INFO L93 Difference]: Finished difference Result 814 states and 1020 transitions. [2021-10-21 19:42:57,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-21 19:42:57,139 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-10-21 19:42:57,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:42:57,139 INFO L225 Difference]: With dead ends: 814 [2021-10-21 19:42:57,139 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:42:57,143 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 70.7ms TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-10-21 19:42:57,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:42:57,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:42:57,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:57,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:42:57,144 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2021-10-21 19:42:57,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:42:57,144 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:42:57,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:42:57,145 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:42:57,145 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:42:57,148 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:42:57,148 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:42:57,149 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:42:57,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:42:57,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-21 19:42:57,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:42:57,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:57,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:57,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:57,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:57,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:57,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:57,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:57,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:57,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:57,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:57,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:57,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:57,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:57,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:57,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:57,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:57,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:57,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:57,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:57,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:57,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:58,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:58,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:58,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:58,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:58,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:58,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:58,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:58,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:58,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:58,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:58,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:58,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:58,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:58,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:58,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:59,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:59,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:59,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:59,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:59,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:59,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:59,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:59,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:42:59,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:43:05,615 INFO L853 garLoopResultBuilder]: At program point L68-3(lines 67 86) the Hoare annotation is: false [2021-10-21 19:43:05,615 INFO L860 garLoopResultBuilder]: At program point L960(lines 941 963) the Hoare annotation is: true [2021-10-21 19:43:05,615 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2021-10-21 19:43:05,615 INFO L853 garLoopResultBuilder]: At program point L498(lines 493 501) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 19:43:05,616 INFO L853 garLoopResultBuilder]: At program point L234(lines 219 237) the Hoare annotation is: false [2021-10-21 19:43:05,616 INFO L853 garLoopResultBuilder]: At program point L234-1(lines 219 237) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse4 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse12 (<= ~waterLevel~0 1)) (.cse13 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse5 (= 1 ~systemActive~0)) (.cse15 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse10 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse11 .cse12 .cse13 .cse14 .cse5 .cse10 .cse15) (and .cse0 .cse1 .cse11 .cse3 .cse12 .cse13 .cse14 .cse5 .cse15))) [2021-10-21 19:43:05,617 INFO L853 garLoopResultBuilder]: At program point L234-2(lines 219 237) the Hoare annotation is: false [2021-10-21 19:43:05,617 INFO L853 garLoopResultBuilder]: At program point L234-3(lines 219 237) the Hoare annotation is: false [2021-10-21 19:43:05,617 INFO L853 garLoopResultBuilder]: At program point L234-4(lines 219 237) the Hoare annotation is: false [2021-10-21 19:43:05,617 INFO L853 garLoopResultBuilder]: At program point L234-5(lines 219 237) the Hoare annotation is: false [2021-10-21 19:43:05,618 INFO L853 garLoopResultBuilder]: At program point L928(lines 924 930) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 19:43:05,618 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 312) no Hoare annotation was computed. [2021-10-21 19:43:05,618 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 372) no Hoare annotation was computed. [2021-10-21 19:43:05,619 INFO L857 garLoopResultBuilder]: For program point L368-3(lines 368 372) no Hoare annotation was computed. [2021-10-21 19:43:05,619 INFO L857 garLoopResultBuilder]: For program point L368-6(lines 368 372) no Hoare annotation was computed. [2021-10-21 19:43:05,619 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 112) no Hoare annotation was computed. [2021-10-21 19:43:05,619 INFO L857 garLoopResultBuilder]: For program point L104-1(lines 104 112) no Hoare annotation was computed. [2021-10-21 19:43:05,619 INFO L857 garLoopResultBuilder]: For program point L104-2(lines 104 112) no Hoare annotation was computed. [2021-10-21 19:43:05,620 INFO L857 garLoopResultBuilder]: For program point L104-3(lines 104 112) no Hoare annotation was computed. [2021-10-21 19:43:05,620 INFO L857 garLoopResultBuilder]: For program point L104-4(lines 104 112) no Hoare annotation was computed. [2021-10-21 19:43:05,620 INFO L857 garLoopResultBuilder]: For program point L104-5(lines 104 112) no Hoare annotation was computed. [2021-10-21 19:43:05,620 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 357) no Hoare annotation was computed. [2021-10-21 19:43:05,621 INFO L857 garLoopResultBuilder]: For program point L337-2(lines 337 357) no Hoare annotation was computed. [2021-10-21 19:43:05,621 INFO L857 garLoopResultBuilder]: For program point L337-4(lines 337 357) no Hoare annotation was computed. [2021-10-21 19:43:05,622 INFO L853 garLoopResultBuilder]: At program point L437(lines 432 440) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse9 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 0)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse10 (<= ~waterLevel~0 1)) (.cse6 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (not .cse3) .cse4 .cse5 (<= 2 ~waterLevel~0) .cse6 (<= ~waterLevel~0 2) .cse7 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse8) (and .cse9 .cse0 .cse1 .cse2 .cse4 .cse5 .cse10 .cse6 .cse7 (= ULTIMATE.start_processEnvironment_~tmp~1 0) .cse8) (and .cse9 .cse0 .cse3 .cse2 .cse4 .cse5 .cse10 .cse6))) [2021-10-21 19:43:05,622 INFO L853 garLoopResultBuilder]: At program point L437-1(lines 432 440) the Hoare annotation is: false [2021-10-21 19:43:05,622 INFO L853 garLoopResultBuilder]: At program point L437-2(lines 432 440) the Hoare annotation is: false [2021-10-21 19:43:05,623 INFO L857 garLoopResultBuilder]: For program point L272(lines 271 316) no Hoare annotation was computed. [2021-10-21 19:43:05,625 INFO L853 garLoopResultBuilder]: At program point L405(lines 400 408) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0))) (let ((.cse10 (= ULTIMATE.start_processEnvironment_~tmp~1 0)) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (not .cse1)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse13 (<= 2 ~waterLevel~0)) (.cse14 (<= ~waterLevel~0 2)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse15 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0 1)) (.cse16 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 1)) (.cse5 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse11 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse4 .cse5 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse0 .cse6 .cse7 .cse13 .cse5 .cse8 .cse14 .cse9 .cse15 .cse16 .cse11 .cse12) (and .cse0 .cse6 .cse7 .cse2 .cse3 .cse4 .cse5 .cse9 .cse10 .cse12) (and .cse0 .cse6 .cse7 .cse2 .cse3 .cse13 .cse5 .cse14 .cse9 .cse15 .cse16 .cse12) (and .cse0 .cse1 .cse4 .cse5 .cse8 .cse11)))) [2021-10-21 19:43:05,625 INFO L853 garLoopResultBuilder]: At program point L405-1(lines 400 408) the Hoare annotation is: false [2021-10-21 19:43:05,625 INFO L853 garLoopResultBuilder]: At program point L405-2(lines 400 408) the Hoare annotation is: false [2021-10-21 19:43:05,625 INFO L857 garLoopResultBuilder]: For program point L273(lines 273 277) no Hoare annotation was computed. [2021-10-21 19:43:05,626 INFO L853 garLoopResultBuilder]: At program point L75(lines 75 81) the Hoare annotation is: (let ((.cse12 (= ~pumpRunning~0 0))) (let ((.cse4 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse8 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0 1)) (.cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse11 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (not .cse12)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse13 (<= ~waterLevel~0 1)) (.cse5 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse14 (= ULTIMATE.start_processEnvironment_~tmp~1 0)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse11 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse12 .cse3 .cse13 .cse5) (and .cse0 .cse1 .cse2 .cse13 .cse5 .cse11 .cse7 .cse14 .cse10) (and .cse0 .cse12 .cse13 .cse5 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse13 .cse5 .cse7 .cse14 .cse10)))) [2021-10-21 19:43:05,626 INFO L853 garLoopResultBuilder]: At program point L75-1(lines 75 81) the Hoare annotation is: false [2021-10-21 19:43:05,626 INFO L853 garLoopResultBuilder]: At program point L75-2(lines 75 81) the Hoare annotation is: false [2021-10-21 19:43:05,626 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2021-10-21 19:43:05,627 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 311) no Hoare annotation was computed. [2021-10-21 19:43:05,627 INFO L857 garLoopResultBuilder]: For program point L307-2(lines 68 74) no Hoare annotation was computed. [2021-10-21 19:43:05,627 INFO L857 garLoopResultBuilder]: For program point L969(line 969) no Hoare annotation was computed. [2021-10-21 19:43:05,627 INFO L857 garLoopResultBuilder]: For program point L969-1(line 969) no Hoare annotation was computed. [2021-10-21 19:43:05,627 INFO L857 garLoopResultBuilder]: For program point L969-2(line 969) no Hoare annotation was computed. [2021-10-21 19:43:05,627 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 356) no Hoare annotation was computed. [2021-10-21 19:43:05,628 INFO L853 garLoopResultBuilder]: At program point L343-1(lines 1 972) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0))) (let ((.cse19 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse8 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 0)) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse18 (= ULTIMATE.start_processEnvironment_~tmp~1 0)) (.cse20 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~3 1)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse9 (not .cse1)) (.cse12 (<= 2 ~waterLevel~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse13 (<= ~waterLevel~0 2)) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse15 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0 1)) (.cse16 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse6 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 1)) (.cse17 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse3 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse0 .cse7 .cse9 .cse2 .cse3 .cse4 .cse14 .cse18 .cse5 .cse6 .cse17) (and .cse19 .cse0 .cse1 .cse8 .cse10 .cse11 .cse2 .cse3 .cse20) (and .cse19 .cse0 .cse7 .cse8 .cse9 .cse10 .cse11 .cse2 .cse3 .cse14 .cse18 .cse20 .cse17) (and .cse0 .cse7 .cse9 .cse12 .cse3 .cse4 .cse13 .cse14 .cse15 .cse16 .cse5 .cse6 .cse17) (and .cse0 .cse1 .cse11 .cse3 (= ~waterLevel~0 1))))) [2021-10-21 19:43:05,628 INFO L857 garLoopResultBuilder]: For program point L343-2(lines 343 356) no Hoare annotation was computed. [2021-10-21 19:43:05,628 INFO L853 garLoopResultBuilder]: At program point L343-3(lines 1 972) the Hoare annotation is: false [2021-10-21 19:43:05,628 INFO L857 garLoopResultBuilder]: For program point L343-4(lines 343 356) no Hoare annotation was computed. [2021-10-21 19:43:05,629 INFO L853 garLoopResultBuilder]: At program point L343-5(lines 1 972) the Hoare annotation is: false [2021-10-21 19:43:05,629 INFO L853 garLoopResultBuilder]: At program point L179(lines 174 182) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 1) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 0) (not (= ~pumpRunning~0 0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (= ~methaneLevelCritical~0 0) (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2) (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0) (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) [2021-10-21 19:43:05,629 INFO L853 garLoopResultBuilder]: At program point L179-1(lines 174 182) the Hoare annotation is: false [2021-10-21 19:43:05,630 INFO L853 garLoopResultBuilder]: At program point L179-2(lines 174 182) the Hoare annotation is: false [2021-10-21 19:43:05,630 INFO L857 garLoopResultBuilder]: For program point L445(lines 445 451) no Hoare annotation was computed. [2021-10-21 19:43:05,630 INFO L857 garLoopResultBuilder]: For program point L445-1(lines 445 451) no Hoare annotation was computed. [2021-10-21 19:43:05,631 INFO L857 garLoopResultBuilder]: For program point L445-2(lines 445 451) no Hoare annotation was computed. [2021-10-21 19:43:05,631 INFO L857 garLoopResultBuilder]: For program point L445-3(lines 445 451) no Hoare annotation was computed. [2021-10-21 19:43:05,631 INFO L857 garLoopResultBuilder]: For program point L445-4(lines 445 451) no Hoare annotation was computed. [2021-10-21 19:43:05,631 INFO L857 garLoopResultBuilder]: For program point L445-5(lines 445 451) no Hoare annotation was computed. [2021-10-21 19:43:05,631 INFO L857 garLoopResultBuilder]: For program point L247(lines 247 251) no Hoare annotation was computed. [2021-10-21 19:43:05,632 INFO L857 garLoopResultBuilder]: For program point L247-2(lines 247 251) no Hoare annotation was computed. [2021-10-21 19:43:05,632 INFO L857 garLoopResultBuilder]: For program point L247-3(lines 247 251) no Hoare annotation was computed. [2021-10-21 19:43:05,632 INFO L857 garLoopResultBuilder]: For program point L247-5(lines 247 251) no Hoare annotation was computed. [2021-10-21 19:43:05,632 INFO L857 garLoopResultBuilder]: For program point L247-6(lines 247 251) no Hoare annotation was computed. [2021-10-21 19:43:05,632 INFO L857 garLoopResultBuilder]: For program point L247-8(lines 247 251) no Hoare annotation was computed. [2021-10-21 19:43:05,633 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 384) no Hoare annotation was computed. [2021-10-21 19:43:05,633 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 353) no Hoare annotation was computed. [2021-10-21 19:43:05,633 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 287) no Hoare annotation was computed. [2021-10-21 19:43:05,633 INFO L857 garLoopResultBuilder]: For program point L347-2(lines 347 353) no Hoare annotation was computed. [2021-10-21 19:43:05,633 INFO L853 garLoopResultBuilder]: At program point L281-1(lines 281 287) the Hoare annotation is: (let ((.cse19 (= ~waterLevel~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse13 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse10 (= ~pumpRunning~0 0))) (let ((.cse14 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse11 (<= ~waterLevel~0 1)) (.cse6 (= ULTIMATE.start_processEnvironment_~tmp~1 0)) (.cse17 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~3 1)) (.cse18 (let ((.cse20 (not .cse10))) (or (and .cse0 .cse20 .cse2 .cse5 .cse19) (and .cse0 .cse20 .cse13 .cse2 .cse5)))) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse15 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 0)) (.cse16 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse12 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse8 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse11 .cse2 .cse3 .cse7 .cse8) (and .cse0 .cse10 .cse12 .cse13 .cse2 .cse4) (and .cse14 .cse0 .cse10 .cse15 .cse16 .cse12 .cse2 .cse4 .cse17) (and .cse18 .cse1 .cse3 .cse4 .cse7 .cse8 .cse9) (and .cse14 .cse0 .cse1 .cse15 .cse16 .cse12 .cse11 .cse2 .cse5 .cse6 .cse17 .cse9) (and .cse18 .cse1 .cse15 .cse16 .cse12 .cse4 .cse9) (and .cse0 .cse10 .cse12 .cse2 .cse19) (and .cse0 .cse10 .cse13 .cse2 .cse3 .cse4 .cse7 .cse8)))) [2021-10-21 19:43:05,634 INFO L857 garLoopResultBuilder]: For program point L347-4(lines 347 353) no Hoare annotation was computed. [2021-10-21 19:43:05,634 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:43:05,634 INFO L853 garLoopResultBuilder]: At program point L317(lines 270 318) the Hoare annotation is: false [2021-10-21 19:43:05,634 INFO L853 garLoopResultBuilder]: At program point L450(lines 441 454) the Hoare annotation is: false [2021-10-21 19:43:05,634 INFO L853 garLoopResultBuilder]: At program point L450-1(lines 441 454) 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))) [2021-10-21 19:43:05,635 INFO L853 garLoopResultBuilder]: At program point L450-2(lines 441 454) the Hoare annotation is: false [2021-10-21 19:43:05,635 INFO L853 garLoopResultBuilder]: At program point L450-3(lines 441 454) the Hoare annotation is: false [2021-10-21 19:43:05,635 INFO L853 garLoopResultBuilder]: At program point L450-4(lines 441 454) the Hoare annotation is: false [2021-10-21 19:43:05,636 INFO L853 garLoopResultBuilder]: At program point L450-5(lines 441 454) the Hoare annotation is: false [2021-10-21 19:43:05,636 INFO L853 garLoopResultBuilder]: At program point L880-2(lines 880 894) the Hoare annotation is: false [2021-10-21 19:43:05,636 INFO L853 garLoopResultBuilder]: At program point L253(lines 238 256) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (<= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 1) .cse5 .cse6))) [2021-10-21 19:43:05,636 INFO L853 garLoopResultBuilder]: At program point L253-1(lines 238 256) the Hoare annotation is: false [2021-10-21 19:43:05,637 INFO L853 garLoopResultBuilder]: At program point L253-2(lines 238 256) the Hoare annotation is: false [2021-10-21 19:43:05,637 INFO L857 garLoopResultBuilder]: For program point L881(line 881) no Hoare annotation was computed. [2021-10-21 19:43:05,637 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:43:05,637 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 888) no Hoare annotation was computed. [2021-10-21 19:43:05,637 INFO L857 garLoopResultBuilder]: For program point L884-1(lines 68 74) no Hoare annotation was computed. [2021-10-21 19:43:05,638 INFO L857 garLoopResultBuilder]: For program point L951(lines 951 958) no Hoare annotation was computed. [2021-10-21 19:43:05,638 INFO L860 garLoopResultBuilder]: At program point L951-1(lines 951 958) the Hoare annotation is: true [2021-10-21 19:43:05,638 INFO L857 garLoopResultBuilder]: For program point L291(lines 291 297) no Hoare annotation was computed. [2021-10-21 19:43:05,638 INFO L853 garLoopResultBuilder]: At program point L291-1(lines 291 297) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse1 (= ~pumpRunning~0 0))) (let ((.cse7 (= ~methaneLevelCritical~0 0)) (.cse10 (= ULTIMATE.start_processEnvironment_~tmp~1 0)) (.cse5 (let ((.cse11 (not .cse1))) (or (and .cse0 .cse11 .cse2 .cse9 (= ~waterLevel~0 1)) (and .cse0 .cse11 (<= 2 ~waterLevel~0) .cse2 .cse9)))) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse4 .cse8) (and .cse0 .cse6 .cse7 (<= ~waterLevel~0 1) .cse2 .cse9 .cse10 .cse8) (and .cse0 .cse1 .cse7 .cse2 .cse4) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse9 .cse10 .cse8) (and .cse5 .cse6 .cse3 .cse4 .cse8)))) [2021-10-21 19:43:05,638 INFO L857 garLoopResultBuilder]: For program point L126(lines 126 143) no Hoare annotation was computed. [2021-10-21 19:43:05,639 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 126 143) no Hoare annotation was computed. [2021-10-21 19:43:05,639 INFO L857 garLoopResultBuilder]: For program point L126-2(lines 126 143) no Hoare annotation was computed. [2021-10-21 19:43:05,639 INFO L853 garLoopResultBuilder]: At program point L490(lines 1 972) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 19:43:05,639 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:43:05,641 INFO L857 garLoopResultBuilder]: For program point L392(lines 392 396) no Hoare annotation was computed. [2021-10-21 19:43:05,641 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 232) no Hoare annotation was computed. [2021-10-21 19:43:05,641 INFO L857 garLoopResultBuilder]: For program point L228-2(lines 228 232) no Hoare annotation was computed. [2021-10-21 19:43:05,642 INFO L857 garLoopResultBuilder]: For program point L228-3(lines 228 232) no Hoare annotation was computed. [2021-10-21 19:43:05,642 INFO L857 garLoopResultBuilder]: For program point L228-5(lines 228 232) no Hoare annotation was computed. [2021-10-21 19:43:05,642 INFO L857 garLoopResultBuilder]: For program point L228-6(lines 228 232) no Hoare annotation was computed. [2021-10-21 19:43:05,643 INFO L857 garLoopResultBuilder]: For program point L228-8(lines 228 232) no Hoare annotation was computed. [2021-10-21 19:43:05,643 INFO L857 garLoopResultBuilder]: For program point L228-9(lines 228 232) no Hoare annotation was computed. [2021-10-21 19:43:05,643 INFO L857 garLoopResultBuilder]: For program point L228-11(lines 228 232) no Hoare annotation was computed. [2021-10-21 19:43:05,643 INFO L857 garLoopResultBuilder]: For program point L228-12(lines 228 232) no Hoare annotation was computed. [2021-10-21 19:43:05,643 INFO L857 garLoopResultBuilder]: For program point L228-14(lines 228 232) no Hoare annotation was computed. [2021-10-21 19:43:05,643 INFO L857 garLoopResultBuilder]: For program point L228-15(lines 228 232) no Hoare annotation was computed. [2021-10-21 19:43:05,644 INFO L857 garLoopResultBuilder]: For program point L228-17(lines 228 232) no Hoare annotation was computed. [2021-10-21 19:43:05,644 INFO L853 garLoopResultBuilder]: At program point L460(lines 455 463) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (<= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 1) .cse5 .cse6))) [2021-10-21 19:43:05,644 INFO L853 garLoopResultBuilder]: At program point L460-1(lines 455 463) the Hoare annotation is: false [2021-10-21 19:43:05,644 INFO L853 garLoopResultBuilder]: At program point L460-2(lines 455 463) the Hoare annotation is: false [2021-10-21 19:43:05,644 INFO L857 garLoopResultBuilder]: For program point L130(lines 130 138) no Hoare annotation was computed. [2021-10-21 19:43:05,645 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 130 138) no Hoare annotation was computed. [2021-10-21 19:43:05,645 INFO L857 garLoopResultBuilder]: For program point L130-2(lines 130 138) no Hoare annotation was computed. [2021-10-21 19:43:05,645 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:43:05,645 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2021-10-21 19:43:05,645 INFO L857 garLoopResultBuilder]: For program point L100(lines 100 117) no Hoare annotation was computed. [2021-10-21 19:43:05,646 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 100 117) no Hoare annotation was computed. [2021-10-21 19:43:05,646 INFO L857 garLoopResultBuilder]: For program point L100-2(lines 100 117) no Hoare annotation was computed. [2021-10-21 19:43:05,646 INFO L857 garLoopResultBuilder]: For program point L100-3(lines 100 117) no Hoare annotation was computed. [2021-10-21 19:43:05,646 INFO L857 garLoopResultBuilder]: For program point L100-4(lines 100 117) no Hoare annotation was computed. [2021-10-21 19:43:05,646 INFO L857 garLoopResultBuilder]: For program point L100-5(lines 100 117) no Hoare annotation was computed. [2021-10-21 19:43:05,646 INFO L853 garLoopResultBuilder]: At program point L68(lines 67 86) the Hoare annotation is: (let ((.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (<= ~waterLevel~0 1)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse2 .cse8 .cse9) (and .cse0 .cse5 .cse7 .cse2 .cse3 .cse8 .cse9) (and .cse0 .cse1 .cse6 .cse2 .cse4))) [2021-10-21 19:43:05,647 INFO L857 garLoopResultBuilder]: For program point L68-1(lines 68 74) no Hoare annotation was computed. [2021-10-21 19:43:05,647 INFO L853 garLoopResultBuilder]: At program point L68-2(lines 67 86) the Hoare annotation is: false [2021-10-21 19:43:05,652 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:43:05,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:43:05 BoogieIcfgContainer [2021-10-21 19:43:05,729 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:43:05,730 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:43:05,732 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:43:05,732 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:43:05,733 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:42:51" (3/4) ... [2021-10-21 19:43:05,739 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:43:05,773 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-21 19:43:05,775 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-21 19:43:05,776 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-21 19:43:05,778 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 19:43:05,779 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 19:43:05,781 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:43:05,782 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:43:05,813 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1)) || ((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp == 0) && \result == 1) && tmp == 1) && tmp___0 == 1)) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1)) || ((((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && tmp == 0) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 <= 1) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && \result == 1) && tmp == 1) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) [2021-10-21 19:43:05,814 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((splverifierCounter == 0 && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 0) && \result == 1) && tmp == 1) && tmp___0 == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2)) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) && tmp___0 <= 1)) || (((((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && waterLevel == 1) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) && \result == 1) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 1) && tmp == 1) && tmp___0 == 1)) || (((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 <= 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && waterLevel == 1) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 1) && tmp == 1) [2021-10-21 19:43:05,815 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) || (((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && waterLevel == 1) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) && \result == 1) && methaneLevelCritical == 0) && waterLevel <= 2) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((((splverifierCounter == 0 && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || (((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && waterLevel == 1) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) && \result == 1) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp___0 == 1) [2021-10-21 19:43:05,815 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) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 == 1)) || ((((((splverifierCounter == 0 && \result == 1) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) [2021-10-21 19:43:05,816 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1) || ((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || ((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 == 1) [2021-10-21 19:43:05,817 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)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp == 0) && \result == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && \result == 1) && tmp___0 == 1)) || (((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) [2021-10-21 19:43:05,818 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 == 1) || (((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp___0 == 1) [2021-10-21 19:43:05,819 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) [2021-10-21 19:43:05,820 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1) || ((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) [2021-10-21 19:43:05,820 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 == 1) || (((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp___0 == 1) [2021-10-21 19:43:05,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && \result == 0) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && \result == 0) && tmp___0 == 1)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && \result == 0) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 1)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 0) && \result == 1) && 1 == systemActive) && tmp == 1) [2021-10-21 19:43:05,822 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && !(pumpRunning == 0)) && \result == 0) && !(\result == 0)) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1 [2021-10-21 19:43:05,887 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:43:05,887 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:43:05,889 INFO L168 Benchmark]: Toolchain (without parser) took 16207.88 ms. Allocated memory was 96.5 MB in the beginning and 176.2 MB in the end (delta: 79.7 MB). Free memory was 62.3 MB in the beginning and 91.7 MB in the end (delta: -29.5 MB). Peak memory consumption was 51.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:43:05,890 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 96.5 MB. Free memory is still 49.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:43:05,891 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.19 ms. Allocated memory was 96.5 MB in the beginning and 121.6 MB in the end (delta: 25.2 MB). Free memory was 62.2 MB in the beginning and 88.9 MB in the end (delta: -26.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:43:05,891 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.54 ms. Allocated memory is still 121.6 MB. Free memory was 88.9 MB in the beginning and 85.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:43:05,892 INFO L168 Benchmark]: Boogie Preprocessor took 99.52 ms. Allocated memory is still 121.6 MB. Free memory was 85.3 MB in the beginning and 82.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:43:05,892 INFO L168 Benchmark]: RCFGBuilder took 1352.42 ms. Allocated memory is still 121.6 MB. Free memory was 82.6 MB in the beginning and 94.7 MB in the end (delta: -12.1 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:43:05,893 INFO L168 Benchmark]: TraceAbstraction took 13744.74 ms. Allocated memory was 121.6 MB in the beginning and 176.2 MB in the end (delta: 54.5 MB). Free memory was 94.1 MB in the beginning and 102.2 MB in the end (delta: -8.1 MB). Peak memory consumption was 104.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:43:05,893 INFO L168 Benchmark]: Witness Printer took 157.08 ms. Allocated memory is still 176.2 MB. Free memory was 102.2 MB in the beginning and 91.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:43:05,896 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 96.5 MB. Free memory is still 49.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 708.19 ms. Allocated memory was 96.5 MB in the beginning and 121.6 MB in the end (delta: 25.2 MB). Free memory was 62.2 MB in the beginning and 88.9 MB in the end (delta: -26.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 132.54 ms. Allocated memory is still 121.6 MB. Free memory was 88.9 MB in the beginning and 85.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 99.52 ms. Allocated memory is still 121.6 MB. Free memory was 85.3 MB in the beginning and 82.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1352.42 ms. Allocated memory is still 121.6 MB. Free memory was 82.6 MB in the beginning and 94.7 MB in the end (delta: -12.1 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13744.74 ms. Allocated memory was 121.6 MB in the beginning and 176.2 MB in the end (delta: 54.5 MB). Free memory was 94.1 MB in the beginning and 102.2 MB in the end (delta: -8.1 MB). Peak memory consumption was 104.3 MB. Max. memory is 16.1 GB. * Witness Printer took 157.08 ms. Allocated memory is still 176.2 MB. Free memory was 102.2 MB in the beginning and 91.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms 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: 969]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 969]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 969]: 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, 123 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 13580.8ms, OverallIterations: 15, TraceHistogramMax: 2, EmptinessCheckTime: 44.5ms, AutomataDifference: 1668.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 8251.0ms, InitialAbstractionConstructionTime: 15.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1521 SDtfs, 2108 SDslu, 2659 SDs, 0 SdLazy, 365 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 518.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 212 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 390.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=250occurred in iteration=13, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 323.1ms AutomataMinimizationTime, 15 MinimizatonAttempts, 1205 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 252 NumberOfFragments, 1631 HoareAnnotationTreeSize, 45 FomulaSimplifications, 2125027 FormulaSimplificationTreeSizeReduction, 2175.4ms HoareSimplificationTime, 45 FomulaSimplificationsInter, 603033 FormulaSimplificationTreeSizeReductionInter, 6054.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 133.0ms SsaConstructionTime, 715.5ms SatisfiabilityAnalysisTime, 1483.7ms InterpolantComputationTime, 660 NumberOfCodeBlocks, 660 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 643 ConstructedInterpolants, 0 QuantifiedInterpolants, 1282 SizeOfPredicates, 6 NumberOfNonLiveVariables, 879 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 86/102 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: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1) || ((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: 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: 1]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1)) || ((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp == 0) && \result == 1) && tmp == 1) && tmp___0 == 1)) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1)) || ((((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && tmp == 0) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 <= 1) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && \result == 1) && tmp == 1) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) || (((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp == 0) && \result == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && \result == 1) && tmp___0 == 1)) || (((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 == 1) || (((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp___0 == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) || (((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && waterLevel == 1) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) && \result == 1) && methaneLevelCritical == 0) && waterLevel <= 2) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((((splverifierCounter == 0 && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || (((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && waterLevel == 1) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) && \result == 1) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp___0 == 1) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && \result == 0) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && \result == 0) && tmp___0 == 1)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && \result == 0) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 1)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 0) && \result == 1) && 1 == systemActive) && tmp == 1) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) || ((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 == 1)) || ((((((splverifierCounter == 0 && \result == 1) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && !(pumpRunning == 0)) && \result == 0) && !(\result == 0)) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 == 1) || (((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp___0 == 1) - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((((((((((((((((splverifierCounter == 0 && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 0) && \result == 1) && tmp == 1) && tmp___0 == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2)) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) && tmp___0 <= 1)) || (((((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && waterLevel == 1) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) && \result == 1) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 1) && tmp == 1) && tmp___0 == 1)) || (((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 <= 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && waterLevel == 1) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 1) && tmp == 1) - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1) || ((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || ((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 == 1) - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:43:06,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4614c8d2-8bf7-4c72-88a7-89fec5cc9fc8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...