./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN --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 2165aefdca75c2370f155996346c5c4ea8ed352d96946243b70bd7ef162ab29f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:34:58,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:34:58,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:34:58,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:34:58,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:34:58,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:34:58,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:34:58,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:34:58,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:34:58,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:34:58,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:34:58,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:34:58,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:34:58,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:34:58,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:34:58,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:34:58,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:34:58,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:34:58,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:34:58,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:34:58,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:34:58,274 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:34:58,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:34:58,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:34:58,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:34:58,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:34:58,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:34:58,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:34:58,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:34:58,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:34:58,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:34:58,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:34:58,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:34:58,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:34:58,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:34:58,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:34:58,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:34:58,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:34:58,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:34:58,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:34:58,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:34:58,305 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 09:34:58,355 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:34:58,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:34:58,356 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:34:58,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:34:58,357 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:34:58,357 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:34:58,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:34:58,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:34:58,358 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:34:58,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:34:58,360 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 09:34:58,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:34:58,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 09:34:58,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:34:58,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:34:58,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:34:58,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:34:58,361 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 09:34:58,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:34:58,362 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:34:58,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:34:58,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:34:58,362 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:34:58,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:34:58,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:34:58,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:34:58,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:34:58,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:34:58,364 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:34:58,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:34:58,365 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:34:58,365 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:34:58,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:34:58,365 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_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2165aefdca75c2370f155996346c5c4ea8ed352d96946243b70bd7ef162ab29f [2022-11-20 09:34:58,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:34:58,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:34:58,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:34:58,638 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:34:58,638 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:34:58,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2022-11-20 09:35:01,640 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:35:01,988 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:35:01,992 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c [2022-11-20 09:35:02,008 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/data/44102bcf4/eb18ff22ea5b48bfaea5f47e3972025f/FLAGecdab5bc0 [2022-11-20 09:35:02,025 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/data/44102bcf4/eb18ff22ea5b48bfaea5f47e3972025f [2022-11-20 09:35:02,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:35:02,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:35:02,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:35:02,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:35:02,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:35:02,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:35:02" (1/1) ... [2022-11-20 09:35:02,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd6a2aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:02, skipping insertion in model container [2022-11-20 09:35:02,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:35:02" (1/1) ... [2022-11-20 09:35:02,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:35:02,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:35:02,301 WARN L237 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_64a81968-8e20-4c11-ad98-66999a27ce74/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c[8940,8953] [2022-11-20 09:35:02,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:35:02,372 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:35:02,409 WARN L237 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_64a81968-8e20-4c11-ad98-66999a27ce74/sv-benchmarks/c/product-lines/minepump_spec4_product51.cil.c[8940,8953] [2022-11-20 09:35:02,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:35:02,469 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:35:02,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:02 WrapperNode [2022-11-20 09:35:02,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:35:02,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:35:02,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:35:02,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:35:02,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:02" (1/1) ... [2022-11-20 09:35:02,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:02" (1/1) ... [2022-11-20 09:35:02,528 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 24, calls inlined = 20, statements flattened = 204 [2022-11-20 09:35:02,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:35:02,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:35:02,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:35:02,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:35:02,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:02" (1/1) ... [2022-11-20 09:35:02,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:02" (1/1) ... [2022-11-20 09:35:02,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:02" (1/1) ... [2022-11-20 09:35:02,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:02" (1/1) ... [2022-11-20 09:35:02,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:02" (1/1) ... [2022-11-20 09:35:02,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:02" (1/1) ... [2022-11-20 09:35:02,554 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:02" (1/1) ... [2022-11-20 09:35:02,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:02" (1/1) ... [2022-11-20 09:35:02,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:35:02,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:35:02,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:35:02,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:35:02,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:02" (1/1) ... [2022-11-20 09:35:02,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:35:02,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:02,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:02,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:35:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:35:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-20 09:35:02,659 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-20 09:35:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 09:35:02,659 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 09:35:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 09:35:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 09:35:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 09:35:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 09:35:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 09:35:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 09:35:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-20 09:35:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-20 09:35:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:35:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 09:35:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 09:35:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:35:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:35:02,745 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:35:02,747 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:35:03,132 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:35:03,141 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:35:03,141 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 09:35:03,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:35:03 BoogieIcfgContainer [2022-11-20 09:35:03,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:35:03,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:35:03,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:35:03,162 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:35:03,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:35:02" (1/3) ... [2022-11-20 09:35:03,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25172dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:35:03, skipping insertion in model container [2022-11-20 09:35:03,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:02" (2/3) ... [2022-11-20 09:35:03,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25172dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:35:03, skipping insertion in model container [2022-11-20 09:35:03,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:35:03" (3/3) ... [2022-11-20 09:35:03,168 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product51.cil.c [2022-11-20 09:35:03,191 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:35:03,192 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 09:35:03,280 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:35:03,293 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@72954ea6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:35:03,294 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 09:35:03,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 68 states have (on average 1.3970588235294117) internal successors, (95), 77 states have internal predecessors, (95), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 09:35:03,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 09:35:03,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:35:03,312 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:03,313 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:35:03,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:03,322 INFO L85 PathProgramCache]: Analyzing trace with hash -883530062, now seen corresponding path program 1 times [2022-11-20 09:35:03,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:03,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790065737] [2022-11-20 09:35:03,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:03,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:03,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:03,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790065737] [2022-11-20 09:35:03,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790065737] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:03,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:03,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:35:03,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425605355] [2022-11-20 09:35:03,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:03,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 09:35:03,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:03,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 09:35:03,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 09:35:03,635 INFO L87 Difference]: Start difference. First operand has 89 states, 68 states have (on average 1.3970588235294117) internal successors, (95), 77 states have internal predecessors, (95), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:35:03,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:03,691 INFO L93 Difference]: Finished difference Result 170 states and 233 transitions. [2022-11-20 09:35:03,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 09:35:03,693 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-20 09:35:03,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:35:03,702 INFO L225 Difference]: With dead ends: 170 [2022-11-20 09:35:03,702 INFO L226 Difference]: Without dead ends: 80 [2022-11-20 09:35:03,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 09:35:03,709 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:35:03,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:35:03,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-20 09:35:03,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-11-20 09:35:03,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 61 states have (on average 1.3278688524590163) internal successors, (81), 69 states have internal predecessors, (81), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-20 09:35:03,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 104 transitions. [2022-11-20 09:35:03,756 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 104 transitions. Word has length 19 [2022-11-20 09:35:03,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:35:03,757 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 104 transitions. [2022-11-20 09:35:03,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:35:03,757 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 104 transitions. [2022-11-20 09:35:03,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 09:35:03,763 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:35:03,763 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:03,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 09:35:03,764 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:35:03,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:03,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1969487031, now seen corresponding path program 1 times [2022-11-20 09:35:03,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:03,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078709193] [2022-11-20 09:35:03,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:03,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:03,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:03,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078709193] [2022-11-20 09:35:03,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078709193] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:03,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:03,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:35:03,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131813262] [2022-11-20 09:35:03,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:03,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:35:03,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:03,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:35:03,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:35:03,904 INFO L87 Difference]: Start difference. First operand 80 states and 104 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:35:03,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:03,947 INFO L93 Difference]: Finished difference Result 122 states and 158 transitions. [2022-11-20 09:35:03,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:35:03,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-20 09:35:03,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:35:03,953 INFO L225 Difference]: With dead ends: 122 [2022-11-20 09:35:03,953 INFO L226 Difference]: Without dead ends: 71 [2022-11-20 09:35:03,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:35:03,956 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 16 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:35:03,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 161 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:35:03,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-11-20 09:35:03,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-11-20 09:35:03,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 55 states have (on average 1.3454545454545455) internal successors, (74), 63 states have internal predecessors, (74), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-20 09:35:03,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 92 transitions. [2022-11-20 09:35:03,969 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 92 transitions. Word has length 20 [2022-11-20 09:35:03,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:35:03,970 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 92 transitions. [2022-11-20 09:35:03,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:35:03,970 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2022-11-20 09:35:03,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 09:35:03,971 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:35:03,972 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:35:03,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 09:35:03,972 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:35:03,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:03,973 INFO L85 PathProgramCache]: Analyzing trace with hash 389175485, now seen corresponding path program 1 times [2022-11-20 09:35:03,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:03,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840061317] [2022-11-20 09:35:03,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:03,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:04,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:04,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:04,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840061317] [2022-11-20 09:35:04,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840061317] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:04,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:04,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:35:04,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346656151] [2022-11-20 09:35:04,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:04,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:35:04,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:04,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:35:04,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:35:04,157 INFO L87 Difference]: Start difference. First operand 71 states and 92 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:35:04,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:04,373 INFO L93 Difference]: Finished difference Result 236 states and 313 transitions. [2022-11-20 09:35:04,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:35:04,374 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-20 09:35:04,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:35:04,376 INFO L225 Difference]: With dead ends: 236 [2022-11-20 09:35:04,376 INFO L226 Difference]: Without dead ends: 172 [2022-11-20 09:35:04,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 09:35:04,378 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 248 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:35:04,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 409 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:35:04,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-11-20 09:35:04,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 166. [2022-11-20 09:35:04,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 127 states have (on average 1.3779527559055118) internal successors, (175), 145 states have internal predecessors, (175), 22 states have call successors, (22), 16 states have call predecessors, (22), 16 states have return successors, (23), 14 states have call predecessors, (23), 22 states have call successors, (23) [2022-11-20 09:35:04,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 220 transitions. [2022-11-20 09:35:04,413 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 220 transitions. Word has length 24 [2022-11-20 09:35:04,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:35:04,413 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 220 transitions. [2022-11-20 09:35:04,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:35:04,414 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 220 transitions. [2022-11-20 09:35:04,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 09:35:04,415 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:35:04,415 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:35:04,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 09:35:04,416 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:35:04,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:04,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1254129459, now seen corresponding path program 1 times [2022-11-20 09:35:04,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:04,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464910786] [2022-11-20 09:35:04,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:04,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:04,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:04,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:04,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464910786] [2022-11-20 09:35:04,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464910786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:04,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:04,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:35:04,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912562219] [2022-11-20 09:35:04,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:04,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:35:04,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:04,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:35:04,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:35:04,604 INFO L87 Difference]: Start difference. First operand 166 states and 220 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:35:04,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:04,735 INFO L93 Difference]: Finished difference Result 467 states and 645 transitions. [2022-11-20 09:35:04,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:35:04,736 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-20 09:35:04,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:35:04,739 INFO L225 Difference]: With dead ends: 467 [2022-11-20 09:35:04,739 INFO L226 Difference]: Without dead ends: 308 [2022-11-20 09:35:04,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:35:04,742 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 63 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:35:04,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 361 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:35:04,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2022-11-20 09:35:04,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2022-11-20 09:35:04,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 234 states have (on average 1.3504273504273505) internal successors, (316), 266 states have internal predecessors, (316), 44 states have call successors, (44), 32 states have call predecessors, (44), 29 states have return successors, (50), 25 states have call predecessors, (50), 44 states have call successors, (50) [2022-11-20 09:35:04,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 410 transitions. [2022-11-20 09:35:04,794 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 410 transitions. Word has length 28 [2022-11-20 09:35:04,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:35:04,795 INFO L495 AbstractCegarLoop]: Abstraction has 308 states and 410 transitions. [2022-11-20 09:35:04,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:35:04,795 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 410 transitions. [2022-11-20 09:35:04,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 09:35:04,797 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:35:04,798 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:35:04,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 09:35:04,798 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:35:04,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:04,799 INFO L85 PathProgramCache]: Analyzing trace with hash 183678264, now seen corresponding path program 1 times [2022-11-20 09:35:04,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:04,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111701514] [2022-11-20 09:35:04,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:04,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:04,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:04,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:04,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111701514] [2022-11-20 09:35:04,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111701514] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:04,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:04,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:35:04,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671974739] [2022-11-20 09:35:04,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:04,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:35:04,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:04,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:35:04,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:35:04,874 INFO L87 Difference]: Start difference. First operand 308 states and 410 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:35:04,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:04,961 INFO L93 Difference]: Finished difference Result 712 states and 975 transitions. [2022-11-20 09:35:04,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:35:04,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-20 09:35:04,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:35:04,975 INFO L225 Difference]: With dead ends: 712 [2022-11-20 09:35:04,975 INFO L226 Difference]: Without dead ends: 411 [2022-11-20 09:35:04,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:35:04,983 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 51 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:35:04,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 153 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:35:04,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2022-11-20 09:35:05,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 400. [2022-11-20 09:35:05,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 310 states have (on average 1.303225806451613) internal successors, (404), 333 states have internal predecessors, (404), 47 states have call successors, (47), 45 states have call predecessors, (47), 42 states have return successors, (69), 41 states have call predecessors, (69), 47 states have call successors, (69) [2022-11-20 09:35:05,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 520 transitions. [2022-11-20 09:35:05,038 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 520 transitions. Word has length 30 [2022-11-20 09:35:05,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:35:05,039 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 520 transitions. [2022-11-20 09:35:05,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:35:05,039 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 520 transitions. [2022-11-20 09:35:05,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 09:35:05,041 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:35:05,041 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:35:05,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 09:35:05,042 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:35:05,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:05,042 INFO L85 PathProgramCache]: Analyzing trace with hash 211984281, now seen corresponding path program 1 times [2022-11-20 09:35:05,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:05,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512288401] [2022-11-20 09:35:05,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:05,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:05,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:05,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:05,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:05,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512288401] [2022-11-20 09:35:05,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512288401] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:05,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:05,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:35:05,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851119716] [2022-11-20 09:35:05,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:05,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:35:05,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:05,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:35:05,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:35:05,189 INFO L87 Difference]: Start difference. First operand 400 states and 520 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:35:05,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:05,538 INFO L93 Difference]: Finished difference Result 499 states and 651 transitions. [2022-11-20 09:35:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 09:35:05,538 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-11-20 09:35:05,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:35:05,549 INFO L225 Difference]: With dead ends: 499 [2022-11-20 09:35:05,550 INFO L226 Difference]: Without dead ends: 497 [2022-11-20 09:35:05,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-11-20 09:35:05,555 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 126 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:35:05,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 352 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 09:35:05,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2022-11-20 09:35:05,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 468. [2022-11-20 09:35:05,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 363 states have (on average 1.2837465564738293) internal successors, (466), 397 states have internal predecessors, (466), 53 states have call successors, (53), 45 states have call predecessors, (53), 51 states have return successors, (88), 45 states have call predecessors, (88), 53 states have call successors, (88) [2022-11-20 09:35:05,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 607 transitions. [2022-11-20 09:35:05,622 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 607 transitions. Word has length 32 [2022-11-20 09:35:05,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:35:05,626 INFO L495 AbstractCegarLoop]: Abstraction has 468 states and 607 transitions. [2022-11-20 09:35:05,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 09:35:05,626 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 607 transitions. [2022-11-20 09:35:05,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 09:35:05,637 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:35:05,637 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:05,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 09:35:05,638 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:35:05,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:05,641 INFO L85 PathProgramCache]: Analyzing trace with hash 719750173, now seen corresponding path program 1 times [2022-11-20 09:35:05,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:05,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760048191] [2022-11-20 09:35:05,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:05,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:05,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:05,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:35:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:05,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:05,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:05,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760048191] [2022-11-20 09:35:05,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760048191] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:05,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:05,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 09:35:05,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857868948] [2022-11-20 09:35:05,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:05,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 09:35:05,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:05,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 09:35:05,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-20 09:35:05,826 INFO L87 Difference]: Start difference. First operand 468 states and 607 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 09:35:06,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:06,195 INFO L93 Difference]: Finished difference Result 1033 states and 1392 transitions. [2022-11-20 09:35:06,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 09:35:06,196 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2022-11-20 09:35:06,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:35:06,200 INFO L225 Difference]: With dead ends: 1033 [2022-11-20 09:35:06,200 INFO L226 Difference]: Without dead ends: 572 [2022-11-20 09:35:06,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-11-20 09:35:06,209 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 181 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:35:06,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 354 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 09:35:06,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2022-11-20 09:35:06,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 512. [2022-11-20 09:35:06,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 401 states have (on average 1.2668329177057356) internal successors, (508), 435 states have internal predecessors, (508), 53 states have call successors, (53), 45 states have call predecessors, (53), 57 states have return successors, (96), 49 states have call predecessors, (96), 53 states have call successors, (96) [2022-11-20 09:35:06,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 657 transitions. [2022-11-20 09:35:06,298 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 657 transitions. Word has length 42 [2022-11-20 09:35:06,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:35:06,298 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 657 transitions. [2022-11-20 09:35:06,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 09:35:06,298 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 657 transitions. [2022-11-20 09:35:06,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 09:35:06,300 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:35:06,300 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:06,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 09:35:06,300 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:35:06,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:06,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1730867423, now seen corresponding path program 1 times [2022-11-20 09:35:06,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:06,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974541006] [2022-11-20 09:35:06,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:06,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:06,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:06,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:35:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:06,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:06,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:06,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974541006] [2022-11-20 09:35:06,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974541006] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:06,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:06,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 09:35:06,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902408925] [2022-11-20 09:35:06,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:06,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 09:35:06,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:06,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 09:35:06,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:35:06,409 INFO L87 Difference]: Start difference. First operand 512 states and 657 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 09:35:06,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:06,716 INFO L93 Difference]: Finished difference Result 1010 states and 1309 transitions. [2022-11-20 09:35:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 09:35:06,717 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2022-11-20 09:35:06,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:35:06,720 INFO L225 Difference]: With dead ends: 1010 [2022-11-20 09:35:06,720 INFO L226 Difference]: Without dead ends: 505 [2022-11-20 09:35:06,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-20 09:35:06,723 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 144 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:35:06,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 288 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 09:35:06,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2022-11-20 09:35:06,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 415. [2022-11-20 09:35:06,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 326 states have (on average 1.2638036809815951) internal successors, (412), 353 states have internal predecessors, (412), 44 states have call successors, (44), 38 states have call predecessors, (44), 44 states have return successors, (70), 38 states have call predecessors, (70), 44 states have call successors, (70) [2022-11-20 09:35:06,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 526 transitions. [2022-11-20 09:35:06,776 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 526 transitions. Word has length 42 [2022-11-20 09:35:06,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:35:06,777 INFO L495 AbstractCegarLoop]: Abstraction has 415 states and 526 transitions. [2022-11-20 09:35:06,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 09:35:06,777 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 526 transitions. [2022-11-20 09:35:06,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 09:35:06,779 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:35:06,779 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:06,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 09:35:06,780 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:35:06,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:06,780 INFO L85 PathProgramCache]: Analyzing trace with hash -301318181, now seen corresponding path program 1 times [2022-11-20 09:35:06,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:06,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335816601] [2022-11-20 09:35:06,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:06,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:06,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:06,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:35:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:06,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:06,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:06,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335816601] [2022-11-20 09:35:06,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335816601] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:06,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:06,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 09:35:06,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371483255] [2022-11-20 09:35:06,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:06,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 09:35:06,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:06,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 09:35:06,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:35:06,950 INFO L87 Difference]: Start difference. First operand 415 states and 526 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 09:35:07,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:07,482 INFO L93 Difference]: Finished difference Result 951 states and 1280 transitions. [2022-11-20 09:35:07,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 09:35:07,483 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2022-11-20 09:35:07,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:35:07,487 INFO L225 Difference]: With dead ends: 951 [2022-11-20 09:35:07,487 INFO L226 Difference]: Without dead ends: 650 [2022-11-20 09:35:07,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-11-20 09:35:07,490 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 187 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:35:07,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 450 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 09:35:07,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2022-11-20 09:35:07,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 625. [2022-11-20 09:35:07,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 491 states have (on average 1.2382892057026476) internal successors, (608), 526 states have internal predecessors, (608), 66 states have call successors, (66), 58 states have call predecessors, (66), 67 states have return successors, (131), 66 states have call predecessors, (131), 66 states have call successors, (131) [2022-11-20 09:35:07,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 805 transitions. [2022-11-20 09:35:07,559 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 805 transitions. Word has length 42 [2022-11-20 09:35:07,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:35:07,559 INFO L495 AbstractCegarLoop]: Abstraction has 625 states and 805 transitions. [2022-11-20 09:35:07,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 09:35:07,560 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 805 transitions. [2022-11-20 09:35:07,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-20 09:35:07,562 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:35:07,563 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:07,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 09:35:07,563 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:35:07,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:07,564 INFO L85 PathProgramCache]: Analyzing trace with hash -547601245, now seen corresponding path program 1 times [2022-11-20 09:35:07,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:07,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682850103] [2022-11-20 09:35:07,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:07,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:07,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:07,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 09:35:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:07,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 09:35:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:07,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:35:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:07,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:35:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:07,752 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 09:35:07,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:07,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682850103] [2022-11-20 09:35:07,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682850103] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:35:07,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546755407] [2022-11-20 09:35:07,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:07,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:35:07,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:07,759 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:35:07,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 09:35:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:07,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 09:35:07,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:08,064 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:35:08,065 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:35:08,233 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 09:35:08,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546755407] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:35:08,233 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:35:08,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 9 [2022-11-20 09:35:08,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906522444] [2022-11-20 09:35:08,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:35:08,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 09:35:08,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:08,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 09:35:08,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:35:08,237 INFO L87 Difference]: Start difference. First operand 625 states and 805 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 09:35:08,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:08,986 INFO L93 Difference]: Finished difference Result 1492 states and 2027 transitions. [2022-11-20 09:35:08,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-20 09:35:08,987 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 76 [2022-11-20 09:35:08,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:35:08,992 INFO L225 Difference]: With dead ends: 1492 [2022-11-20 09:35:08,993 INFO L226 Difference]: Without dead ends: 981 [2022-11-20 09:35:08,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 159 SyntacticMatches, 8 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=227, Invalid=585, Unknown=0, NotChecked=0, Total=812 [2022-11-20 09:35:08,996 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 384 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:35:08,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 548 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 09:35:08,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2022-11-20 09:35:09,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 852. [2022-11-20 09:35:09,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 662 states have (on average 1.244712990936556) internal successors, (824), 713 states have internal predecessors, (824), 95 states have call successors, (95), 83 states have call predecessors, (95), 94 states have return successors, (198), 87 states have call predecessors, (198), 95 states have call successors, (198) [2022-11-20 09:35:09,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1117 transitions. [2022-11-20 09:35:09,103 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1117 transitions. Word has length 76 [2022-11-20 09:35:09,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:35:09,104 INFO L495 AbstractCegarLoop]: Abstraction has 852 states and 1117 transitions. [2022-11-20 09:35:09,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 09:35:09,104 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1117 transitions. [2022-11-20 09:35:09,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-20 09:35:09,108 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:35:09,108 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:09,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-20 09:35:09,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-20 09:35:09,315 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:35:09,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:09,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1199368341, now seen corresponding path program 2 times [2022-11-20 09:35:09,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:09,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060277242] [2022-11-20 09:35:09,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:09,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:09,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:09,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 09:35:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:09,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 09:35:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:09,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:35:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:09,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:35:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:09,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:35:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:09,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 09:35:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:09,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:35:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:09,679 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 51 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 09:35:09,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:09,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060277242] [2022-11-20 09:35:09,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060277242] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:35:09,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549778127] [2022-11-20 09:35:09,679 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 09:35:09,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:35:09,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:09,681 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:35:09,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 09:35:09,794 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 09:35:09,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 09:35:09,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 09:35:09,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:09,967 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 09:35:09,967 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:35:09,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549778127] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:09,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 09:35:09,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2022-11-20 09:35:09,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405398857] [2022-11-20 09:35:09,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:09,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:35:09,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:09,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:35:09,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-11-20 09:35:09,970 INFO L87 Difference]: Start difference. First operand 852 states and 1117 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-20 09:35:10,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:10,443 INFO L93 Difference]: Finished difference Result 2343 states and 3191 transitions. [2022-11-20 09:35:10,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 09:35:10,444 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 110 [2022-11-20 09:35:10,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:35:10,453 INFO L225 Difference]: With dead ends: 2343 [2022-11-20 09:35:10,453 INFO L226 Difference]: Without dead ends: 1603 [2022-11-20 09:35:10,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 123 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-11-20 09:35:10,459 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 222 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:35:10,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 606 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 09:35:10,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1603 states. [2022-11-20 09:35:10,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1603 to 1483. [2022-11-20 09:35:10,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1483 states, 1156 states have (on average 1.2439446366782008) internal successors, (1438), 1234 states have internal predecessors, (1438), 166 states have call successors, (166), 148 states have call predecessors, (166), 160 states have return successors, (304), 150 states have call predecessors, (304), 166 states have call successors, (304) [2022-11-20 09:35:10,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 1908 transitions. [2022-11-20 09:35:10,644 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 1908 transitions. Word has length 110 [2022-11-20 09:35:10,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:35:10,645 INFO L495 AbstractCegarLoop]: Abstraction has 1483 states and 1908 transitions. [2022-11-20 09:35:10,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-20 09:35:10,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1908 transitions. [2022-11-20 09:35:10,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-20 09:35:10,655 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:35:10,655 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:10,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:10,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:35:10,862 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:35:10,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:10,862 INFO L85 PathProgramCache]: Analyzing trace with hash -755467667, now seen corresponding path program 1 times [2022-11-20 09:35:10,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:10,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242714435] [2022-11-20 09:35:10,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:10,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:10,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:10,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 09:35:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:10,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 09:35:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:10,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:35:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:11,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:35:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:11,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:35:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:11,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 09:35:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:11,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:35:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:11,028 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-20 09:35:11,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:11,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242714435] [2022-11-20 09:35:11,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242714435] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:11,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:11,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 09:35:11,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788283456] [2022-11-20 09:35:11,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:11,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 09:35:11,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:11,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 09:35:11,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-20 09:35:11,032 INFO L87 Difference]: Start difference. First operand 1483 states and 1908 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 09:35:11,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:11,318 INFO L93 Difference]: Finished difference Result 2079 states and 2638 transitions. [2022-11-20 09:35:11,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 09:35:11,319 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 110 [2022-11-20 09:35:11,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:35:11,320 INFO L225 Difference]: With dead ends: 2079 [2022-11-20 09:35:11,320 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 09:35:11,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-11-20 09:35:11,325 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 141 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:35:11,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 280 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 09:35:11,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 09:35:11,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 09:35:11,327 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) [2022-11-20 09:35:11,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 09:35:11,327 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2022-11-20 09:35:11,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:35:11,327 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 09:35:11,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 5 states have internal predecessors, (76), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 09:35:11,328 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 09:35:11,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 09:35:11,331 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 09:35:11,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 09:35:11,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 09:35:15,938 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 423 430) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-20 09:35:15,939 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 423 430) no Hoare annotation was computed. [2022-11-20 09:35:15,939 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 423 430) no Hoare annotation was computed. [2022-11-20 09:35:15,939 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 356 362) no Hoare annotation was computed. [2022-11-20 09:35:15,939 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 356 362) the Hoare annotation is: true [2022-11-20 09:35:15,939 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 214 225) the Hoare annotation is: true [2022-11-20 09:35:15,939 INFO L899 garLoopResultBuilder]: For program point L218-1(lines 214 225) no Hoare annotation was computed. [2022-11-20 09:35:15,940 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 214 225) no Hoare annotation was computed. [2022-11-20 09:35:15,940 INFO L895 garLoopResultBuilder]: At program point L263(lines 258 266) the Hoare annotation is: (let ((.cse6 (<= 2 ~waterLevel~0)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse2 (= 0 ~systemActive~0))) (let ((.cse5 (<= 1 |timeShift_getWaterLevel_#res#1|)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (and .cse6 .cse8 .cse7 (not .cse2))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 ~waterLevel~0) .cse5 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (and .cse6 .cse7) .cse2 .cse3) (or .cse0 .cse5 .cse3) (or .cse0 (and .cse4 .cse8) .cse1 (not (<= 1 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= |timeShift_getWaterLevel_#res#1| 1))))) [2022-11-20 09:35:15,940 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 332 355) no Hoare annotation was computed. [2022-11-20 09:35:15,941 INFO L899 garLoopResultBuilder]: For program point L515(lines 515 519) no Hoare annotation was computed. [2022-11-20 09:35:15,941 INFO L899 garLoopResultBuilder]: For program point L515-2(lines 515 519) no Hoare annotation was computed. [2022-11-20 09:35:15,941 INFO L895 garLoopResultBuilder]: At program point L404(line 404) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-20 09:35:15,941 INFO L895 garLoopResultBuilder]: At program point L400(line 400) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 ~waterLevel~0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|) (= |timeShift_isLowWaterLevel_~tmp~5#1| 0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-20 09:35:15,942 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 175) no Hoare annotation was computed. [2022-11-20 09:35:15,942 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 178) no Hoare annotation was computed. [2022-11-20 09:35:15,942 INFO L895 garLoopResultBuilder]: At program point L165-1(lines 157 181) the Hoare annotation is: (let ((.cse5 (<= 2 |timeShift___utac_acc__Specification4_spec__1_~tmp~1#1|)) (.cse6 (<= 2 ~waterLevel~0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse4 (= 0 ~systemActive~0))) (let ((.cse8 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 1 |timeShift___utac_acc__Specification4_spec__1_~tmp~1#1|)) (.cse3 (<= 1 |timeShift_getWaterLevel_#res#1|)) (.cse9 (and .cse5 .cse6 .cse10 .cse7 (not .cse4)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= |timeShift___utac_acc__Specification4_spec__1_~tmp~1#1| 1) (= |timeShift_getWaterLevel_#res#1| 1))) (or (and .cse1 (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) .cse2 (<= 1 ~waterLevel~0) .cse3 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) .cse4 (and .cse5 .cse6 .cse7) .cse8) (or .cse0 .cse9 .cse4 .cse8) (or .cse0 (and .cse1 .cse2 .cse3 .cse10) (not (<= 1 |old(~waterLevel~0)|)) .cse9)))) [2022-11-20 09:35:15,942 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 198) no Hoare annotation was computed. [2022-11-20 09:35:15,943 INFO L895 garLoopResultBuilder]: At program point L194-2(lines 190 201) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-20 09:35:15,943 INFO L895 garLoopResultBuilder]: At program point L409(line 409) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse3)) (.cse4 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse3 .cse4) (or .cse2 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse4)))) [2022-11-20 09:35:15,943 INFO L895 garLoopResultBuilder]: At program point L409-1(lines 390 414) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~systemActive~0))) (and (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not .cse4))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse2))) (or .cse3 (and .cse0 (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 ~waterLevel~0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) .cse4 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-20 09:35:15,944 INFO L899 garLoopResultBuilder]: For program point L343-1(lines 343 349) no Hoare annotation was computed. [2022-11-20 09:35:15,944 INFO L895 garLoopResultBuilder]: At program point L521(lines 506 524) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 ~waterLevel~0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|) (= |timeShift_isLowWaterLevel_~tmp~5#1| 0)) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-20 09:35:15,944 INFO L899 garLoopResultBuilder]: For program point L612(line 612) no Hoare annotation was computed. [2022-11-20 09:35:15,944 INFO L895 garLoopResultBuilder]: At program point L447(lines 442 450) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-20 09:35:15,945 INFO L895 garLoopResultBuilder]: At program point L286(lines 281 289) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-20 09:35:15,945 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 332 355) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-20 09:35:15,945 INFO L899 garLoopResultBuilder]: For program point L336-1(lines 335 354) no Hoare annotation was computed. [2022-11-20 09:35:15,945 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 406) no Hoare annotation was computed. [2022-11-20 09:35:15,945 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 332 355) no Hoare annotation was computed. [2022-11-20 09:35:15,946 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 411) no Hoare annotation was computed. [2022-11-20 09:35:15,946 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 612) no Hoare annotation was computed. [2022-11-20 09:35:15,946 INFO L895 garLoopResultBuilder]: At program point L613(lines 608 615) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-20 09:35:15,946 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-11-20 09:35:15,946 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-11-20 09:35:15,947 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-11-20 09:35:15,947 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-11-20 09:35:15,947 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-11-20 09:35:15,947 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-11-20 09:35:15,947 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-11-20 09:35:15,947 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-11-20 09:35:15,948 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-20 09:35:15,948 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-11-20 09:35:15,948 INFO L895 garLoopResultBuilder]: At program point L531(line 531) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-11-20 09:35:15,948 INFO L899 garLoopResultBuilder]: For program point L552(lines 551 598) no Hoare annotation was computed. [2022-11-20 09:35:15,948 INFO L899 garLoopResultBuilder]: For program point L581(lines 581 594) no Hoare annotation was computed. [2022-11-20 09:35:15,949 INFO L895 garLoopResultBuilder]: At program point L321(lines 316 324) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-20 09:35:15,949 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 09:35:15,949 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 09:35:15,949 INFO L895 garLoopResultBuilder]: At program point L573(line 573) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (not (= 0 ~systemActive~0))))) [2022-11-20 09:35:15,949 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 09:35:15,949 INFO L902 garLoopResultBuilder]: At program point L602(lines 541 606) the Hoare annotation is: true [2022-11-20 09:35:15,950 INFO L895 garLoopResultBuilder]: At program point L313(lines 309 315) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-20 09:35:15,950 INFO L899 garLoopResultBuilder]: For program point L561(lines 561 567) no Hoare annotation was computed. [2022-11-20 09:35:15,950 INFO L899 garLoopResultBuilder]: For program point L561-1(lines 561 567) no Hoare annotation was computed. [2022-11-20 09:35:15,950 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-11-20 09:35:15,950 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2022-11-20 09:35:15,951 INFO L899 garLoopResultBuilder]: For program point L553(lines 553 557) no Hoare annotation was computed. [2022-11-20 09:35:15,951 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 09:35:15,951 INFO L902 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2022-11-20 09:35:15,951 INFO L895 garLoopResultBuilder]: At program point L537(lines 525 539) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0)) [2022-11-20 09:35:15,951 INFO L895 garLoopResultBuilder]: At program point L599(lines 550 600) the Hoare annotation is: false [2022-11-20 09:35:15,951 INFO L902 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2022-11-20 09:35:15,952 INFO L895 garLoopResultBuilder]: At program point L306(lines 302 308) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-20 09:35:15,952 INFO L899 garLoopResultBuilder]: For program point L529(lines 529 535) no Hoare annotation was computed. [2022-11-20 09:35:15,952 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 529 535) no Hoare annotation was computed. [2022-11-20 09:35:15,952 INFO L899 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2022-11-20 09:35:15,952 INFO L895 garLoopResultBuilder]: At program point L587-2(lines 581 594) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (not (= 0 ~systemActive~0))))) [2022-11-20 09:35:15,953 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 577) no Hoare annotation was computed. [2022-11-20 09:35:15,953 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 571 577) no Hoare annotation was computed. [2022-11-20 09:35:15,953 INFO L895 garLoopResultBuilder]: At program point L596(lines 551 598) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (not (= 0 ~systemActive~0))))) [2022-11-20 09:35:15,953 INFO L895 garLoopResultBuilder]: At program point L563(line 563) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (not (= 0 ~systemActive~0))))) [2022-11-20 09:35:15,954 INFO L895 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-20 09:35:15,954 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 364 388) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-20 09:35:15,954 INFO L895 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~4#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) .cse1) (or .cse0 (not (<= 1 ~waterLevel~0)) .cse1 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0))))) [2022-11-20 09:35:15,954 INFO L895 garLoopResultBuilder]: At program point L502(lines 487 505) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or (not (= ~waterLevel~0 1)) .cse0 (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~4#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) .cse2))) [2022-11-20 09:35:15,955 INFO L899 garLoopResultBuilder]: For program point L372(lines 372 380) no Hoare annotation was computed. [2022-11-20 09:35:15,955 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 385) no Hoare annotation was computed. [2022-11-20 09:35:15,955 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 500) no Hoare annotation was computed. [2022-11-20 09:35:15,955 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 277) no Hoare annotation was computed. [2022-11-20 09:35:15,955 INFO L899 garLoopResultBuilder]: For program point L496-2(lines 496 500) no Hoare annotation was computed. [2022-11-20 09:35:15,955 INFO L895 garLoopResultBuilder]: At program point L420(lines 415 422) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (<= 2 ~waterLevel~0) (= 0 ~systemActive~0)) [2022-11-20 09:35:15,956 INFO L895 garLoopResultBuilder]: At program point L383(line 383) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-20 09:35:15,956 INFO L899 garLoopResultBuilder]: For program point L383-1(lines 364 388) no Hoare annotation was computed. [2022-11-20 09:35:15,956 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 364 388) no Hoare annotation was computed. [2022-11-20 09:35:15,956 INFO L895 garLoopResultBuilder]: At program point L276(lines 267 280) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse0 .cse1) (or .cse0 (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) .cse1))) [2022-11-20 09:35:15,956 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 202 213) no Hoare annotation was computed. [2022-11-20 09:35:15,957 INFO L899 garLoopResultBuilder]: For program point L206-1(lines 202 213) no Hoare annotation was computed. [2022-11-20 09:35:15,957 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 202 213) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|)) .cse0) (or .cse0 (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-20 09:35:15,960 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:35:15,963 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 09:35:15,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:35:15 BoogieIcfgContainer [2022-11-20 09:35:15,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 09:35:15,984 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:35:15,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:35:15,985 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:35:15,985 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:35:03" (3/4) ... [2022-11-20 09:35:15,988 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 09:35:15,995 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-20 09:35:15,995 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-20 09:35:15,995 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 09:35:15,995 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 09:35:15,995 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 09:35:15,996 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 09:35:15,996 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 09:35:16,002 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 09:35:16,003 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 09:35:16,003 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 09:35:16,004 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 09:35:16,004 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 09:35:16,030 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-20 09:35:16,030 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-20 09:35:16,031 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) || ((((\result == 1 && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) [2022-11-20 09:35:16,031 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((pumpRunning == \old(pumpRunning) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-20 09:35:16,032 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(0 == systemActive))) && (((2 <= waterLevel || ((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 <= waterLevel) && 1 <= tmp___0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-20 09:35:16,033 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((((((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp___0) || (2 <= waterLevel && 2 <= \result)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || 1 <= \result) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || !(1 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || \result == 1) [2022-11-20 09:35:16,033 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel [2022-11-20 09:35:16,033 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1)) && (((((((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp___0) || 0 == systemActive) || ((2 <= tmp && 2 <= waterLevel) && 2 <= \result)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || ((((2 <= tmp && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && \old(waterLevel) == waterLevel)) || !(1 <= \old(waterLevel))) || ((((2 <= tmp && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) [2022-11-20 09:35:16,033 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && ((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-20 09:35:16,034 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(waterLevel == 1) || 1 <= \result) || !(\old(pumpRunning) == 0)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= waterLevel)) || 0 == systemActive) [2022-11-20 09:35:16,034 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) [2022-11-20 09:35:16,034 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && ((0 == systemActive || (((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && 1 <= waterLevel) && 1 <= tmp___0) && tmp == 0)) || !(2 <= \old(waterLevel))) [2022-11-20 09:35:16,035 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || ((((1 <= \result && pumpRunning == 0) && tmp___0 == 0) && 1 <= tmp) && \result == 0)) || 0 == systemActive) [2022-11-20 09:35:16,035 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) [2022-11-20 09:35:16,035 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 2 <= waterLevel) || 0 == systemActive [2022-11-20 09:35:16,056 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 09:35:16,057 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:35:16,057 INFO L158 Benchmark]: Toolchain (without parser) took 14029.47ms. Allocated memory was 161.5MB in the beginning and 237.0MB in the end (delta: 75.5MB). Free memory was 131.7MB in the beginning and 178.8MB in the end (delta: -47.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-20 09:35:16,058 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 130.0MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:35:16,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.80ms. Allocated memory is still 161.5MB. Free memory was 131.2MB in the beginning and 112.8MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 09:35:16,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.80ms. Allocated memory is still 161.5MB. Free memory was 112.3MB in the beginning and 110.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:35:16,059 INFO L158 Benchmark]: Boogie Preprocessor took 28.20ms. Allocated memory is still 161.5MB. Free memory was 110.2MB in the beginning and 108.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:35:16,059 INFO L158 Benchmark]: RCFGBuilder took 585.90ms. Allocated memory is still 161.5MB. Free memory was 108.7MB in the beginning and 92.0MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 09:35:16,059 INFO L158 Benchmark]: TraceAbstraction took 12836.95ms. Allocated memory was 161.5MB in the beginning and 237.0MB in the end (delta: 75.5MB). Free memory was 91.4MB in the beginning and 184.1MB in the end (delta: -92.7MB). Peak memory consumption was 108.9MB. Max. memory is 16.1GB. [2022-11-20 09:35:16,060 INFO L158 Benchmark]: Witness Printer took 72.54ms. Allocated memory is still 237.0MB. Free memory was 184.1MB in the beginning and 178.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 09:35:16,061 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 130.0MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.80ms. Allocated memory is still 161.5MB. Free memory was 131.2MB in the beginning and 112.8MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.80ms. Allocated memory is still 161.5MB. Free memory was 112.3MB in the beginning and 110.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.20ms. Allocated memory is still 161.5MB. Free memory was 110.2MB in the beginning and 108.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 585.90ms. Allocated memory is still 161.5MB. Free memory was 108.7MB in the beginning and 92.0MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12836.95ms. Allocated memory was 161.5MB in the beginning and 237.0MB in the end (delta: 75.5MB). Free memory was 91.4MB in the beginning and 184.1MB in the end (delta: -92.7MB). Peak memory consumption was 108.9MB. Max. memory is 16.1GB. * Witness Printer took 72.54ms. Allocated memory is still 237.0MB. Free memory was 184.1MB in the beginning and 178.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 612]: 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 8 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.7s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1781 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1763 mSDsluCounter, 4075 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2939 mSDsCounter, 414 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2082 IncrementalHoareTripleChecker+Invalid, 2496 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 414 mSolverCounterUnsat, 1136 mSDtfsCounter, 2082 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 458 GetRequests, 332 SyntacticMatches, 11 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1483occurred in iteration=11, InterpolantAutomatonStates: 112, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 470 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 2354 PreInvPairs, 2635 NumberOfFragments, 994 HoareAnnotationTreeSize, 2354 FomulaSimplifications, 3649 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 41 FomulaSimplificationsInter, 22721 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 761 NumberOfCodeBlocks, 761 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 822 ConstructedInterpolants, 0 QuantifiedInterpolants, 1566 SizeOfPredicates, 8 NumberOfNonLiveVariables, 645 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 252/282 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 1 specifications checked. All of them hold - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((pumpRunning == \old(pumpRunning) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(0 == systemActive))) && (((2 <= waterLevel || ((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 <= waterLevel) && 1 <= tmp___0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: (((!(waterLevel == 1) || 1 <= \result) || !(\old(pumpRunning) == 0)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= waterLevel)) || 0 == systemActive) - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || ((((1 <= \result && pumpRunning == 0) && tmp___0 == 0) && 1 <= tmp) && \result == 0)) || 0 == systemActive) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 2 <= waterLevel) || 0 == systemActive - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) || ((((\result == 1 && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((((((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp___0) || (2 <= waterLevel && 2 <= \result)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || 1 <= \result) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || !(1 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || \result == 1) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && ((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1)) && (((((((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp___0) || 0 == systemActive) || ((2 <= tmp && 2 <= waterLevel) && 2 <= \result)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || ((((2 <= tmp && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && \old(waterLevel) == waterLevel)) || !(1 <= \old(waterLevel))) || ((((2 <= tmp && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && ((0 == systemActive || (((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && 1 <= waterLevel) && 1 <= tmp___0) && tmp == 0)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel RESULT: Ultimate proved your program to be correct! [2022-11-20 09:35:16,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a81968-8e20-4c11-ad98-66999a27ce74/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE