./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ --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 69f20c6619059452dea710c235d91f0e8ca980fcacc48c7e37668ab8a6397c50 --- 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-dbf71c6-m [2022-10-17 10:23:44,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:23:44,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:23:44,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:23:44,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:23:44,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:23:44,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:23:44,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:23:44,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:23:44,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:23:44,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:23:44,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:23:44,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:23:44,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:23:44,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:23:44,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:23:44,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:23:44,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:23:44,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:23:44,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:23:44,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:23:44,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:23:44,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:23:44,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:23:44,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:23:44,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:23:44,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:23:44,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:23:44,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:23:44,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:23:44,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:23:44,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:23:44,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:23:44,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:23:44,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:23:44,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:23:44,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:23:44,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:23:44,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:23:44,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:23:44,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:23:44,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-10-17 10:23:44,200 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:23:44,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:23:44,201 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:23:44,201 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:23:44,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:23:44,202 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:23:44,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:23:44,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:23:44,204 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:23:44,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:23:44,205 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:23:44,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:23:44,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:23:44,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:23:44,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:23:44,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:23:44,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:23:44,207 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:23:44,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:23:44,207 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:23:44,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:23:44,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:23:44,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:23:44,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:23:44,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:23:44,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:23:44,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:23:44,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:23:44,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:23:44,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:23:44,211 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:23:44,212 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:23:44,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:23:44,212 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_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69f20c6619059452dea710c235d91f0e8ca980fcacc48c7e37668ab8a6397c50 [2022-10-17 10:23:44,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:23:44,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:23:44,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:23:44,562 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:23:44,563 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:23:44,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2022-10-17 10:23:44,651 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/data/0e8faf96f/cf86954d49284cc8abf3268e26034088/FLAG412d1b548 [2022-10-17 10:23:45,158 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:23:45,158 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2022-10-17 10:23:45,172 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/data/0e8faf96f/cf86954d49284cc8abf3268e26034088/FLAG412d1b548 [2022-10-17 10:23:45,457 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/data/0e8faf96f/cf86954d49284cc8abf3268e26034088 [2022-10-17 10:23:45,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:23:45,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:23:45,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:23:45,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:23:45,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:23:45,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:23:45" (1/1) ... [2022-10-17 10:23:45,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c15d9a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:45, skipping insertion in model container [2022-10-17 10:23:45,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:23:45" (1/1) ... [2022-10-17 10:23:45,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:23:45,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:23:45,900 WARN L230 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_5b7c0b36-329a-4d28-8f7c-d396e90fba85/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c[11292,11305] [2022-10-17 10:23:45,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:23:45,989 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:23:46,059 WARN L230 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_5b7c0b36-329a-4d28-8f7c-d396e90fba85/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c[11292,11305] [2022-10-17 10:23:46,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:23:46,122 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:23:46,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:46 WrapperNode [2022-10-17 10:23:46,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:23:46,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:23:46,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:23:46,125 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:23:46,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:46" (1/1) ... [2022-10-17 10:23:46,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:46" (1/1) ... [2022-10-17 10:23:46,209 INFO L138 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 246 [2022-10-17 10:23:46,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:23:46,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:23:46,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:23:46,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:23:46,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:46" (1/1) ... [2022-10-17 10:23:46,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:46" (1/1) ... [2022-10-17 10:23:46,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:46" (1/1) ... [2022-10-17 10:23:46,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:46" (1/1) ... [2022-10-17 10:23:46,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:46" (1/1) ... [2022-10-17 10:23:46,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:46" (1/1) ... [2022-10-17 10:23:46,268 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:46" (1/1) ... [2022-10-17 10:23:46,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:46" (1/1) ... [2022-10-17 10:23:46,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:23:46,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:23:46,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:23:46,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:23:46,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:46" (1/1) ... [2022-10-17 10:23:46,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:23:46,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:23:46,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:23:46,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:23:46,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:23:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 10:23:46,363 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 10:23:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 10:23:46,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 10:23:46,363 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 10:23:46,363 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 10:23:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 10:23:46,371 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 10:23:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 10:23:46,371 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 10:23:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 10:23:46,371 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 10:23:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-10-17 10:23:46,372 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-10-17 10:23:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:23:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 10:23:46,372 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 10:23:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:23:46,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:23:46,457 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:23:46,459 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:23:46,859 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:23:46,869 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:23:46,869 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 10:23:46,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:23:46 BoogieIcfgContainer [2022-10-17 10:23:46,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:23:46,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:23:46,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:23:46,878 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:23:46,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:23:45" (1/3) ... [2022-10-17 10:23:46,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4a9090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:23:46, skipping insertion in model container [2022-10-17 10:23:46,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:23:46" (2/3) ... [2022-10-17 10:23:46,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4a9090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:23:46, skipping insertion in model container [2022-10-17 10:23:46,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:23:46" (3/3) ... [2022-10-17 10:23:46,882 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product45.cil.c [2022-10-17 10:23:46,902 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:23:46,903 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:23:46,963 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:23:46,971 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;@6dbb2512, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:23:46,971 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:23:46,976 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 71 states have (on average 1.380281690140845) internal successors, (98), 79 states have internal predecessors, (98), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2022-10-17 10:23:46,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 10:23:46,987 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:23:46,988 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] [2022-10-17 10:23:46,989 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:23:46,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:23:46,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1869668402, now seen corresponding path program 1 times [2022-10-17 10:23:47,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:23:47,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850887345] [2022-10-17 10:23:47,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:23:47,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:23:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:47,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-17 10:23:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:47,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:23:47,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:23:47,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850887345] [2022-10-17 10:23:47,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850887345] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:23:47,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:23:47,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:23:47,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716805727] [2022-10-17 10:23:47,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:23:47,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-17 10:23:47,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:23:47,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-17 10:23:47,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:23:47,447 INFO L87 Difference]: Start difference. First operand has 95 states, 71 states have (on average 1.380281690140845) internal successors, (98), 79 states have internal predecessors, (98), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:23:47,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:23:47,500 INFO L93 Difference]: Finished difference Result 181 states and 246 transitions. [2022-10-17 10:23:47,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 10:23:47,502 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-10-17 10:23:47,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:23:47,513 INFO L225 Difference]: With dead ends: 181 [2022-10-17 10:23:47,513 INFO L226 Difference]: Without dead ends: 86 [2022-10-17 10:23:47,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:23:47,521 INFO L413 NwaCegarLoop]: 120 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, 120 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 [2022-10-17 10:23:47,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:23:47,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-10-17 10:23:47,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-10-17 10:23:47,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 64 states have (on average 1.3125) internal successors, (84), 71 states have internal predecessors, (84), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-10-17 10:23:47,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 111 transitions. [2022-10-17 10:23:47,574 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 111 transitions. Word has length 25 [2022-10-17 10:23:47,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:23:47,574 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 111 transitions. [2022-10-17 10:23:47,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:23:47,575 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 111 transitions. [2022-10-17 10:23:47,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 10:23:47,578 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:23:47,578 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] [2022-10-17 10:23:47,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:23:47,579 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:23:47,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:23:47,580 INFO L85 PathProgramCache]: Analyzing trace with hash 224653099, now seen corresponding path program 1 times [2022-10-17 10:23:47,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:23:47,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659438667] [2022-10-17 10:23:47,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:23:47,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:23:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:47,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-17 10:23:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:47,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:23:47,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:23:47,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659438667] [2022-10-17 10:23:47,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659438667] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:23:47,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:23:47,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:23:47,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653761890] [2022-10-17 10:23:47,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:23:47,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:23:47,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:23:47,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:23:47,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:23:47,765 INFO L87 Difference]: Start difference. First operand 86 states and 111 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:23:47,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:23:47,795 INFO L93 Difference]: Finished difference Result 137 states and 177 transitions. [2022-10-17 10:23:47,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:23:47,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-10-17 10:23:47,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:23:47,800 INFO L225 Difference]: With dead ends: 137 [2022-10-17 10:23:47,803 INFO L226 Difference]: Without dead ends: 77 [2022-10-17 10:23:47,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:23:47,807 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 12 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 180 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 [2022-10-17 10:23:47,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 180 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:23:47,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-10-17 10:23:47,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-10-17 10:23:47,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 65 states have internal predecessors, (77), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-10-17 10:23:47,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 99 transitions. [2022-10-17 10:23:47,837 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 99 transitions. Word has length 26 [2022-10-17 10:23:47,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:23:47,838 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 99 transitions. [2022-10-17 10:23:47,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:23:47,839 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 99 transitions. [2022-10-17 10:23:47,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 10:23:47,845 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:23:47,846 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] [2022-10-17 10:23:47,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:23:47,847 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:23:47,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:23:47,849 INFO L85 PathProgramCache]: Analyzing trace with hash 13787135, now seen corresponding path program 1 times [2022-10-17 10:23:47,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:23:47,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079083801] [2022-10-17 10:23:47,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:23:47,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:23:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:47,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:23:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:47,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:23:47,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:23:47,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079083801] [2022-10-17 10:23:47,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079083801] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:23:47,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:23:47,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:23:47,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78772376] [2022-10-17 10:23:47,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:23:47,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:23:47,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:23:47,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:23:47,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:23:47,981 INFO L87 Difference]: Start difference. First operand 77 states and 99 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 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) [2022-10-17 10:23:48,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:23:48,016 INFO L93 Difference]: Finished difference Result 146 states and 191 transitions. [2022-10-17 10:23:48,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:23:48,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 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 30 [2022-10-17 10:23:48,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:23:48,020 INFO L225 Difference]: With dead ends: 146 [2022-10-17 10:23:48,022 INFO L226 Difference]: Without dead ends: 77 [2022-10-17 10:23:48,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:23:48,027 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 80 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 97 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 [2022-10-17 10:23:48,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 97 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:23:48,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-10-17 10:23:48,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-10-17 10:23:48,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 65 states have internal predecessors, (76), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-10-17 10:23:48,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 98 transitions. [2022-10-17 10:23:48,069 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 98 transitions. Word has length 30 [2022-10-17 10:23:48,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:23:48,069 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 98 transitions. [2022-10-17 10:23:48,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 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) [2022-10-17 10:23:48,070 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2022-10-17 10:23:48,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 10:23:48,074 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:23:48,074 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] [2022-10-17 10:23:48,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 10:23:48,075 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:23:48,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:23:48,077 INFO L85 PathProgramCache]: Analyzing trace with hash 689914158, now seen corresponding path program 1 times [2022-10-17 10:23:48,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:23:48,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284379138] [2022-10-17 10:23:48,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:23:48,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:23:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:48,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:23:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:48,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:23:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:48,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-17 10:23:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:48,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:23:48,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:23:48,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284379138] [2022-10-17 10:23:48,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284379138] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:23:48,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:23:48,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:23:48,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310230741] [2022-10-17 10:23:48,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:23:48,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:23:48,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:23:48,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:23:48,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:23:48,321 INFO L87 Difference]: Start difference. First operand 77 states and 98 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-17 10:23:48,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:23:48,655 INFO L93 Difference]: Finished difference Result 226 states and 288 transitions. [2022-10-17 10:23:48,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:23:48,655 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 40 [2022-10-17 10:23:48,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:23:48,661 INFO L225 Difference]: With dead ends: 226 [2022-10-17 10:23:48,661 INFO L226 Difference]: Without dead ends: 157 [2022-10-17 10:23:48,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-10-17 10:23:48,674 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 181 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:23:48,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 302 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:23:48,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-10-17 10:23:48,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 151. [2022-10-17 10:23:48,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 114 states have (on average 1.2719298245614035) internal successors, (145), 122 states have internal predecessors, (145), 18 states have call successors, (18), 15 states have call predecessors, (18), 18 states have return successors, (23), 19 states have call predecessors, (23), 18 states have call successors, (23) [2022-10-17 10:23:48,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 186 transitions. [2022-10-17 10:23:48,724 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 186 transitions. Word has length 40 [2022-10-17 10:23:48,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:23:48,725 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 186 transitions. [2022-10-17 10:23:48,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-17 10:23:48,725 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 186 transitions. [2022-10-17 10:23:48,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 10:23:48,730 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:23:48,731 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, 1, 1, 1, 1] [2022-10-17 10:23:48,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 10:23:48,731 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:23:48,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:23:48,732 INFO L85 PathProgramCache]: Analyzing trace with hash 603540022, now seen corresponding path program 1 times [2022-10-17 10:23:48,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:23:48,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675079255] [2022-10-17 10:23:48,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:23:48,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:23:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:48,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:23:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:48,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:23:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:48,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:23:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:48,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:23:49,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:23:49,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675079255] [2022-10-17 10:23:49,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675079255] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:23:49,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:23:49,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-17 10:23:49,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867935235] [2022-10-17 10:23:49,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:23:49,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 10:23:49,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:23:49,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:23:49,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:23:49,007 INFO L87 Difference]: Start difference. First operand 151 states and 186 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-17 10:23:49,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:23:49,353 INFO L93 Difference]: Finished difference Result 437 states and 546 transitions. [2022-10-17 10:23:49,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-17 10:23:49,354 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2022-10-17 10:23:49,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:23:49,362 INFO L225 Difference]: With dead ends: 437 [2022-10-17 10:23:49,362 INFO L226 Difference]: Without dead ends: 294 [2022-10-17 10:23:49,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-10-17 10:23:49,369 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 148 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:23:49,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 422 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:23:49,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2022-10-17 10:23:49,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 280. [2022-10-17 10:23:49,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 207 states have (on average 1.2318840579710144) internal successors, (255), 222 states have internal predecessors, (255), 36 states have call successors, (36), 30 states have call predecessors, (36), 36 states have return successors, (48), 38 states have call predecessors, (48), 36 states have call successors, (48) [2022-10-17 10:23:49,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 339 transitions. [2022-10-17 10:23:49,434 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 339 transitions. Word has length 46 [2022-10-17 10:23:49,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:23:49,436 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 339 transitions. [2022-10-17 10:23:49,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-17 10:23:49,437 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 339 transitions. [2022-10-17 10:23:49,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 10:23:49,437 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:23:49,438 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:23:49,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-17 10:23:49,438 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:23:49,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:23:49,439 INFO L85 PathProgramCache]: Analyzing trace with hash 735697106, now seen corresponding path program 1 times [2022-10-17 10:23:49,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:23:49,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970006805] [2022-10-17 10:23:49,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:23:49,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:23:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:49,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:23:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:49,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-17 10:23:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:49,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:23:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:49,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-17 10:23:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:49,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:23:49,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:23:49,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970006805] [2022-10-17 10:23:49,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970006805] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:23:49,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:23:49,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-17 10:23:49,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101061377] [2022-10-17 10:23:49,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:23:49,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 10:23:49,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:23:49,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:23:49,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:23:49,637 INFO L87 Difference]: Start difference. First operand 280 states and 339 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-17 10:23:50,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:23:50,177 INFO L93 Difference]: Finished difference Result 564 states and 684 transitions. [2022-10-17 10:23:50,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-17 10:23:50,178 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 50 [2022-10-17 10:23:50,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:23:50,181 INFO L225 Difference]: With dead ends: 564 [2022-10-17 10:23:50,181 INFO L226 Difference]: Without dead ends: 292 [2022-10-17 10:23:50,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2022-10-17 10:23:50,183 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 180 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-17 10:23:50,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 206 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-17 10:23:50,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2022-10-17 10:23:50,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 278. [2022-10-17 10:23:50,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 205 states have (on average 1.2146341463414634) internal successors, (249), 220 states have internal predecessors, (249), 36 states have call successors, (36), 30 states have call predecessors, (36), 36 states have return successors, (48), 38 states have call predecessors, (48), 36 states have call successors, (48) [2022-10-17 10:23:50,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 333 transitions. [2022-10-17 10:23:50,220 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 333 transitions. Word has length 50 [2022-10-17 10:23:50,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:23:50,220 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 333 transitions. [2022-10-17 10:23:50,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-17 10:23:50,221 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 333 transitions. [2022-10-17 10:23:50,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 10:23:50,222 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:23:50,223 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:23:50,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-17 10:23:50,223 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:23:50,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:23:50,224 INFO L85 PathProgramCache]: Analyzing trace with hash 25989529, now seen corresponding path program 1 times [2022-10-17 10:23:50,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:23:50,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672320290] [2022-10-17 10:23:50,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:23:50,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:23:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:50,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:23:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:50,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-17 10:23:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:50,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:23:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:50,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:23:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:50,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-17 10:23:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:50,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 10:23:50,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:23:50,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672320290] [2022-10-17 10:23:50,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672320290] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:23:50,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:23:50,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-17 10:23:50,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669463748] [2022-10-17 10:23:50,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:23:50,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 10:23:50,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:23:50,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:23:50,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:23:50,377 INFO L87 Difference]: Start difference. First operand 278 states and 333 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-17 10:23:50,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:23:50,686 INFO L93 Difference]: Finished difference Result 566 states and 691 transitions. [2022-10-17 10:23:50,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-17 10:23:50,691 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2022-10-17 10:23:50,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:23:50,694 INFO L225 Difference]: With dead ends: 566 [2022-10-17 10:23:50,697 INFO L226 Difference]: Without dead ends: 296 [2022-10-17 10:23:50,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-17 10:23:50,700 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 125 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:23:50,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 201 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:23:50,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2022-10-17 10:23:50,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 284. [2022-10-17 10:23:50,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 211 states have (on average 1.2085308056872037) internal successors, (255), 226 states have internal predecessors, (255), 36 states have call successors, (36), 30 states have call predecessors, (36), 36 states have return successors, (48), 38 states have call predecessors, (48), 36 states have call successors, (48) [2022-10-17 10:23:50,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 339 transitions. [2022-10-17 10:23:50,739 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 339 transitions. Word has length 60 [2022-10-17 10:23:50,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:23:50,743 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 339 transitions. [2022-10-17 10:23:50,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-17 10:23:50,743 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 339 transitions. [2022-10-17 10:23:50,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 10:23:50,745 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:23:50,745 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:23:50,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-17 10:23:50,746 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:23:50,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:23:50,747 INFO L85 PathProgramCache]: Analyzing trace with hash 727589403, now seen corresponding path program 1 times [2022-10-17 10:23:50,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:23:50,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095314984] [2022-10-17 10:23:50,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:23:50,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:23:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:50,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:23:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:50,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-17 10:23:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:50,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:23:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:50,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:23:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:50,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-17 10:23:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:50,926 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 10:23:50,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:23:50,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095314984] [2022-10-17 10:23:50,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095314984] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:23:50,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:23:50,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-17 10:23:50,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950639234] [2022-10-17 10:23:50,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:23:50,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 10:23:50,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:23:50,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:23:50,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:23:50,929 INFO L87 Difference]: Start difference. First operand 284 states and 339 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-10-17 10:23:51,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:23:51,236 INFO L93 Difference]: Finished difference Result 584 states and 711 transitions. [2022-10-17 10:23:51,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-17 10:23:51,237 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 60 [2022-10-17 10:23:51,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:23:51,240 INFO L225 Difference]: With dead ends: 584 [2022-10-17 10:23:51,240 INFO L226 Difference]: Without dead ends: 308 [2022-10-17 10:23:51,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-10-17 10:23:51,242 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 209 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:23:51,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 178 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:23:51,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2022-10-17 10:23:51,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 288. [2022-10-17 10:23:51,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 215 states have (on average 1.2046511627906977) internal successors, (259), 230 states have internal predecessors, (259), 36 states have call successors, (36), 30 states have call predecessors, (36), 36 states have return successors, (48), 38 states have call predecessors, (48), 36 states have call successors, (48) [2022-10-17 10:23:51,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 343 transitions. [2022-10-17 10:23:51,274 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 343 transitions. Word has length 60 [2022-10-17 10:23:51,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:23:51,274 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 343 transitions. [2022-10-17 10:23:51,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-10-17 10:23:51,275 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 343 transitions. [2022-10-17 10:23:51,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 10:23:51,276 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:23:51,276 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:23:51,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-17 10:23:51,277 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:23:51,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:23:51,277 INFO L85 PathProgramCache]: Analyzing trace with hash 655202845, now seen corresponding path program 1 times [2022-10-17 10:23:51,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:23:51,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517444377] [2022-10-17 10:23:51,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:23:51,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:23:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:51,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:23:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:51,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-17 10:23:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:51,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:23:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:51,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:23:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:51,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-17 10:23:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:51,396 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 10:23:51,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:23:51,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517444377] [2022-10-17 10:23:51,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517444377] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:23:51,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:23:51,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:23:51,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488794734] [2022-10-17 10:23:51,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:23:51,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:23:51,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:23:51,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:23:51,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:23:51,399 INFO L87 Difference]: Start difference. First operand 288 states and 343 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-10-17 10:23:51,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:23:51,802 INFO L93 Difference]: Finished difference Result 790 states and 993 transitions. [2022-10-17 10:23:51,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-17 10:23:51,802 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 60 [2022-10-17 10:23:51,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:23:51,807 INFO L225 Difference]: With dead ends: 790 [2022-10-17 10:23:51,807 INFO L226 Difference]: Without dead ends: 510 [2022-10-17 10:23:51,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-10-17 10:23:51,809 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 297 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-17 10:23:51,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 232 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-17 10:23:51,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2022-10-17 10:23:51,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 508. [2022-10-17 10:23:51,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 379 states have (on average 1.1978891820580475) internal successors, (454), 402 states have internal predecessors, (454), 66 states have call successors, (66), 60 states have call predecessors, (66), 62 states have return successors, (101), 66 states have call predecessors, (101), 66 states have call successors, (101) [2022-10-17 10:23:51,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 621 transitions. [2022-10-17 10:23:51,868 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 621 transitions. Word has length 60 [2022-10-17 10:23:51,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:23:51,868 INFO L495 AbstractCegarLoop]: Abstraction has 508 states and 621 transitions. [2022-10-17 10:23:51,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-10-17 10:23:51,869 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 621 transitions. [2022-10-17 10:23:51,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 10:23:51,870 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:23:51,871 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:23:51,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-17 10:23:51,871 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:23:51,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:23:51,872 INFO L85 PathProgramCache]: Analyzing trace with hash 815870135, now seen corresponding path program 1 times [2022-10-17 10:23:51,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:23:51,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88213740] [2022-10-17 10:23:51,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:23:51,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:23:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:52,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-17 10:23:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:52,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:23:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:52,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-17 10:23:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:52,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:23:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:52,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:23:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:52,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-17 10:23:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:52,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 10:23:52,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:23:52,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88213740] [2022-10-17 10:23:52,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88213740] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:23:52,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720336039] [2022-10-17 10:23:52,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:23:52,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:23:52,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:23:52,204 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:23:52,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-17 10:23:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:52,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 10:23:52,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:23:52,660 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:23:52,661 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:23:52,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720336039] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:23:52,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-17 10:23:52,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 21 [2022-10-17 10:23:52,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939845570] [2022-10-17 10:23:52,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:23:52,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-17 10:23:52,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:23:52,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-17 10:23:52,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2022-10-17 10:23:52,663 INFO L87 Difference]: Start difference. First operand 508 states and 621 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-10-17 10:23:52,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:23:52,836 INFO L93 Difference]: Finished difference Result 986 states and 1210 transitions. [2022-10-17 10:23:52,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-17 10:23:52,837 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 64 [2022-10-17 10:23:52,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:23:52,841 INFO L225 Difference]: With dead ends: 986 [2022-10-17 10:23:52,841 INFO L226 Difference]: Without dead ends: 486 [2022-10-17 10:23:52,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2022-10-17 10:23:52,844 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 63 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:23:52,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 644 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:23:52,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2022-10-17 10:23:52,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 484. [2022-10-17 10:23:52,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 360 states have (on average 1.1805555555555556) internal successors, (425), 382 states have internal predecessors, (425), 64 states have call successors, (64), 58 states have call predecessors, (64), 59 states have return successors, (88), 63 states have call predecessors, (88), 64 states have call successors, (88) [2022-10-17 10:23:52,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 577 transitions. [2022-10-17 10:23:52,909 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 577 transitions. Word has length 64 [2022-10-17 10:23:52,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:23:52,910 INFO L495 AbstractCegarLoop]: Abstraction has 484 states and 577 transitions. [2022-10-17 10:23:52,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-10-17 10:23:52,911 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 577 transitions. [2022-10-17 10:23:52,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-17 10:23:52,913 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:23:52,914 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:23:52,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:23:53,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-10-17 10:23:53,127 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:23:53,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:23:53,128 INFO L85 PathProgramCache]: Analyzing trace with hash 255377162, now seen corresponding path program 1 times [2022-10-17 10:23:53,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:23:53,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662973576] [2022-10-17 10:23:53,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:23:53,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:23:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:53,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-17 10:23:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:53,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:23:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:53,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:23:53,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:53,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:23:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:53,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:23:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:53,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-10-17 10:23:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:53,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-17 10:23:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:53,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-17 10:23:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:53,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:23:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:53,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-17 10:23:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:53,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:23:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:53,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-17 10:23:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:53,442 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 10:23:53,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:23:53,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662973576] [2022-10-17 10:23:53,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662973576] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:23:53,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550234167] [2022-10-17 10:23:53,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:23:53,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:23:53,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:23:53,451 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:23:53,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-17 10:23:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:23:53,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 10:23:53,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:23:53,723 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 10:23:53,724 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:23:53,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550234167] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:23:53,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-17 10:23:53,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 19 [2022-10-17 10:23:53,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026343363] [2022-10-17 10:23:53,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:23:53,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-17 10:23:53,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:23:53,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-17 10:23:53,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2022-10-17 10:23:53,727 INFO L87 Difference]: Start difference. First operand 484 states and 577 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-17 10:23:53,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:23:53,870 INFO L93 Difference]: Finished difference Result 827 states and 996 transitions. [2022-10-17 10:23:53,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-17 10:23:53,871 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2022-10-17 10:23:53,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:23:53,872 INFO L225 Difference]: With dead ends: 827 [2022-10-17 10:23:53,873 INFO L226 Difference]: Without dead ends: 0 [2022-10-17 10:23:53,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2022-10-17 10:23:53,876 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 68 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:23:53,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 771 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:23:53,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-17 10:23:53,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-17 10:23:53,877 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) [2022-10-17 10:23:53,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-17 10:23:53,878 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2022-10-17 10:23:53,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:23:53,878 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:23:53,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-17 10:23:53,879 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:23:53,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 10:23:53,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-10-17 10:23:53,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:23:54,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:23:54,098 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-17 10:23:57,516 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 566 572) no Hoare annotation was computed. [2022-10-17 10:23:57,517 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 566 572) the Hoare annotation is: true [2022-10-17 10:23:57,517 INFO L899 garLoopResultBuilder]: For program point L830-1(lines 826 837) no Hoare annotation was computed. [2022-10-17 10:23:57,517 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 826 837) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= |old(~methaneLevelCritical~0)| 0)) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 (not (<= 1 |old(~methaneLevelCritical~0)|))))) [2022-10-17 10:23:57,517 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 826 837) no Hoare annotation was computed. [2022-10-17 10:23:57,518 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 838 846) the Hoare annotation is: true [2022-10-17 10:23:57,518 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 838 846) no Hoare annotation was computed. [2022-10-17 10:23:57,518 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 838 846) no Hoare annotation was computed. [2022-10-17 10:23:57,518 INFO L895 garLoopResultBuilder]: At program point L944(line 944) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~waterLevel~0 1)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse2 .cse6 .cse3 .cse7) (or .cse8 .cse9 .cse2 .cse6 .cse5) (or (and (<= 1 |timeShift_processEnvironment_~tmp~5#1|) .cse9) .cse2 .cse3 (and .cse8 .cse9)) (or .cse0 .cse2 .cse6 .cse5 .cse7))) [2022-10-17 10:23:57,519 INFO L895 garLoopResultBuilder]: At program point L655(lines 650 657) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (and (<= 1 |timeShift_processEnvironment_~tmp~5#1|) .cse0) .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse1 .cse4))) [2022-10-17 10:23:57,519 INFO L899 garLoopResultBuilder]: For program point L944-1(line 944) no Hoare annotation was computed. [2022-10-17 10:23:57,519 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 542 565) no Hoare annotation was computed. [2022-10-17 10:23:57,519 INFO L895 garLoopResultBuilder]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) (not (= ~methaneLevelCritical~0 0))))) [2022-10-17 10:23:57,519 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2022-10-17 10:23:57,519 INFO L895 garLoopResultBuilder]: At program point L606(line 606) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2022-10-17 10:23:57,520 INFO L899 garLoopResultBuilder]: For program point L606-1(line 606) no Hoare annotation was computed. [2022-10-17 10:23:57,520 INFO L895 garLoopResultBuilder]: At program point L619(line 619) the Hoare annotation is: (let ((.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= ~waterLevel~0 1)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse0 .cse3 .cse5) (or .cse4 .cse0 .cse1 .cse5) (or .cse0 .cse6 .cse3 .cse7) (or .cse0 .cse6 .cse1 .cse7))) [2022-10-17 10:23:57,520 INFO L895 garLoopResultBuilder]: At program point L619-1(lines 600 624) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~waterLevel~0 1)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse2 .cse6 .cse3 .cse7) (or .cse8 .cse9 .cse2 .cse6 .cse5) (or (and (<= 1 |timeShift_processEnvironment_~tmp~5#1|) .cse9) .cse2 .cse3 (and .cse8 .cse9)) (or .cse0 .cse2 .cse6 .cse5 .cse7))) [2022-10-17 10:23:57,520 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 553 559) no Hoare annotation was computed. [2022-10-17 10:23:57,521 INFO L895 garLoopResultBuilder]: At program point L421(lines 416 423) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2022-10-17 10:23:57,521 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 960) no Hoare annotation was computed. [2022-10-17 10:23:57,521 INFO L899 garLoopResultBuilder]: For program point L946(lines 946 963) no Hoare annotation was computed. [2022-10-17 10:23:57,521 INFO L895 garLoopResultBuilder]: At program point L946-1(lines 938 966) the Hoare annotation is: (let ((.cse6 (<= 2 ~waterLevel~0)) (.cse12 (= 1 ~systemActive~0)) (.cse10 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~9#1| 0)) (.cse13 (= ~methaneLevelCritical~0 0))) (let ((.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not .cse13)) (.cse8 (and .cse13 .cse6 .cse12 .cse10)) (.cse2 (not .cse12)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse2 .cse6 .cse3 .cse7) (or .cse0 .cse2 .cse5 .cse8 .cse7) (or (and .cse9 .cse10) .cse2 (and .cse11 .cse10) .cse5 .cse8) (or (and (<= 1 |timeShift_processEnvironment_~tmp~5#1|) .cse9) .cse2 .cse3 (and .cse11 .cse9))))) [2022-10-17 10:23:57,521 INFO L899 garLoopResultBuilder]: For program point L806(lines 806 810) no Hoare annotation was computed. [2022-10-17 10:23:57,522 INFO L895 garLoopResultBuilder]: At program point L806-2(lines 802 813) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2022-10-17 10:23:57,522 INFO L895 garLoopResultBuilder]: At program point L674(lines 669 677) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 (= ~waterLevel~0 1)) (or .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (= |timeShift_isPumpRunning_#res#1| 0))) (or (and (<= 1 |timeShift_processEnvironment_~tmp~5#1|) .cse3 .cse4) .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse4) .cse2)) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2022-10-17 10:23:57,522 INFO L899 garLoopResultBuilder]: For program point L546-1(lines 545 564) no Hoare annotation was computed. [2022-10-17 10:23:57,522 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 616) no Hoare annotation was computed. [2022-10-17 10:23:57,522 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 621) no Hoare annotation was computed. [2022-10-17 10:23:57,522 INFO L899 garLoopResultBuilder]: For program point L951(lines 951 957) no Hoare annotation was computed. [2022-10-17 10:23:57,523 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 542 565) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse7 (<= 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse6 .cse2 .cse5) (or .cse6 .cse2 .cse3) (or .cse2 .cse7 .cse3 .cse8) (or .cse2 .cse7 .cse5 .cse8))) [2022-10-17 10:23:57,523 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 542 565) no Hoare annotation was computed. [2022-10-17 10:23:57,523 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2022-10-17 10:23:57,523 INFO L899 garLoopResultBuilder]: For program point L448(line 448) no Hoare annotation was computed. [2022-10-17 10:23:57,523 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 427 456) no Hoare annotation was computed. [2022-10-17 10:23:57,523 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 427 456) the Hoare annotation is: true [2022-10-17 10:23:57,524 INFO L899 garLoopResultBuilder]: For program point L441(lines 441 445) no Hoare annotation was computed. [2022-10-17 10:23:57,524 INFO L902 garLoopResultBuilder]: At program point L441-1(lines 441 445) the Hoare annotation is: true [2022-10-17 10:23:57,524 INFO L899 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2022-10-17 10:23:57,524 INFO L902 garLoopResultBuilder]: At program point L437-2(lines 437 451) the Hoare annotation is: true [2022-10-17 10:23:57,524 INFO L902 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: true [2022-10-17 10:23:57,524 INFO L899 garLoopResultBuilder]: For program point L433-1(line 433) no Hoare annotation was computed. [2022-10-17 10:23:57,524 INFO L902 garLoopResultBuilder]: At program point L452(lines 427 456) the Hoare annotation is: true [2022-10-17 10:23:57,525 INFO L895 garLoopResultBuilder]: At program point L766(line 766) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1))) [2022-10-17 10:23:57,525 INFO L895 garLoopResultBuilder]: At program point L787(lines 744 789) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1))) [2022-10-17 10:23:57,525 INFO L899 garLoopResultBuilder]: For program point L754(lines 754 760) no Hoare annotation was computed. [2022-10-17 10:23:57,525 INFO L899 garLoopResultBuilder]: For program point L754-1(lines 754 760) no Hoare annotation was computed. [2022-10-17 10:23:57,525 INFO L899 garLoopResultBuilder]: For program point L746(lines 746 750) no Hoare annotation was computed. [2022-10-17 10:23:57,525 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-17 10:23:57,525 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-17 10:23:57,526 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-17 10:23:57,526 INFO L895 garLoopResultBuilder]: At program point L924(lines 919 927) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-10-17 10:23:57,526 INFO L895 garLoopResultBuilder]: At program point L916(lines 912 918) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-10-17 10:23:57,526 INFO L899 garLoopResultBuilder]: For program point L780(lines 780 784) no Hoare annotation was computed. [2022-10-17 10:23:57,526 INFO L895 garLoopResultBuilder]: At program point L780-2(lines 774 785) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2022-10-17 10:23:57,526 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-17 10:23:57,526 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 770) no Hoare annotation was computed. [2022-10-17 10:23:57,527 INFO L899 garLoopResultBuilder]: For program point L764-1(lines 764 770) no Hoare annotation was computed. [2022-10-17 10:23:57,527 INFO L902 garLoopResultBuilder]: At program point L793(lines 734 797) the Hoare annotation is: true [2022-10-17 10:23:57,527 INFO L895 garLoopResultBuilder]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1))) [2022-10-17 10:23:57,527 INFO L895 garLoopResultBuilder]: At program point L909(lines 905 911) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-10-17 10:23:57,527 INFO L895 garLoopResultBuilder]: At program point L488(lines 484 490) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-10-17 10:23:57,527 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 524) no Hoare annotation was computed. [2022-10-17 10:23:57,528 INFO L899 garLoopResultBuilder]: For program point L517-2(lines 517 524) no Hoare annotation was computed. [2022-10-17 10:23:57,528 INFO L895 garLoopResultBuilder]: At program point L790(lines 743 791) the Hoare annotation is: false [2022-10-17 10:23:57,528 INFO L902 garLoopResultBuilder]: At program point L501(lines 493 503) the Hoare annotation is: true [2022-10-17 10:23:57,528 INFO L902 garLoopResultBuilder]: At program point L526(lines 507 529) the Hoare annotation is: true [2022-10-17 10:23:57,528 INFO L899 garLoopResultBuilder]: For program point L745(lines 744 789) no Hoare annotation was computed. [2022-10-17 10:23:57,528 INFO L895 garLoopResultBuilder]: At program point L935(lines 930 937) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-10-17 10:23:57,529 INFO L899 garLoopResultBuilder]: For program point L774(lines 774 785) no Hoare annotation was computed. [2022-10-17 10:23:57,529 INFO L899 garLoopResultBuilder]: For program point L818-1(lines 814 825) no Hoare annotation was computed. [2022-10-17 10:23:57,529 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 814 825) no Hoare annotation was computed. [2022-10-17 10:23:57,529 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 814 825) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~waterLevel~0 1)) (.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse2 .cse6 .cse5 .cse7) (or .cse2 .cse6 .cse3 .cse7))) [2022-10-17 10:23:57,529 INFO L899 garLoopResultBuilder]: For program point L640(lines 640 646) no Hoare annotation was computed. [2022-10-17 10:23:57,529 INFO L895 garLoopResultBuilder]: At program point L638(line 638) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and .cse1 .cse2)) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (not (= ~methaneLevelCritical~0 0))))) [2022-10-17 10:23:57,530 INFO L895 garLoopResultBuilder]: At program point L640-2(lines 633 649) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not .cse1) .cse0 (and (= ~pumpRunning~0 0) .cse3 (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~6#1|)) (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 .cse3 .cse2))) [2022-10-17 10:23:57,530 INFO L899 garLoopResultBuilder]: For program point L638-1(line 638) no Hoare annotation was computed. [2022-10-17 10:23:57,530 INFO L895 garLoopResultBuilder]: At program point L729(lines 714 732) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse3 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~0#1| 0)) (.cse5 (not (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~7#1| 0))) (.cse6 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0))) (and (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse0 (and .cse1 .cse2 .cse3) (not (= ~methaneLevelCritical~0 0)) (and .cse1 .cse2 .cse4 .cse5 .cse6))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and .cse2 .cse3) (and .cse2 .cse4 .cse5 .cse6)))) [2022-10-17 10:23:57,530 INFO L895 garLoopResultBuilder]: At program point L888(lines 879 892) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and .cse5 (<= 2 ~waterLevel~0))) (.cse4 (and .cse5 (not (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0))))) (and (or .cse0 .cse1 .cse2) (or (not .cse1) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse4)))) [2022-10-17 10:23:57,531 INFO L895 garLoopResultBuilder]: At program point L630(lines 625 632) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not .cse1) .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (<= 2 ~waterLevel~0) .cse2))) [2022-10-17 10:23:57,531 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 727) no Hoare annotation was computed. [2022-10-17 10:23:57,531 INFO L899 garLoopResultBuilder]: For program point L723-2(lines 723 727) no Hoare annotation was computed. [2022-10-17 10:23:57,531 INFO L895 garLoopResultBuilder]: At program point L593(line 593) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse2 .cse0 .cse1))) [2022-10-17 10:23:57,531 INFO L899 garLoopResultBuilder]: For program point L593-1(lines 574 598) no Hoare annotation was computed. [2022-10-17 10:23:57,531 INFO L899 garLoopResultBuilder]: For program point L883(lines 883 889) no Hoare annotation was computed. [2022-10-17 10:23:57,532 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 574 598) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= 1 ~methaneLevelCritical~0))))) [2022-10-17 10:23:57,532 INFO L895 garLoopResultBuilder]: At program point L588(line 588) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |processEnvironment__wrappee__methaneQuery_~tmp~4#1| 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 .cse2) (not (<= 1 ~methaneLevelCritical~0))))) [2022-10-17 10:23:57,532 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 574 598) no Hoare annotation was computed. [2022-10-17 10:23:57,532 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 590) no Hoare annotation was computed. [2022-10-17 10:23:57,532 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 595) no Hoare annotation was computed. [2022-10-17 10:23:57,532 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 658 668) the Hoare annotation is: true [2022-10-17 10:23:57,533 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 658 668) no Hoare annotation was computed. [2022-10-17 10:23:57,533 INFO L902 garLoopResultBuilder]: At program point L663(line 663) the Hoare annotation is: true [2022-10-17 10:23:57,533 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 658 668) no Hoare annotation was computed. [2022-10-17 10:23:57,533 INFO L899 garLoopResultBuilder]: For program point L663-1(line 663) no Hoare annotation was computed. [2022-10-17 10:23:57,536 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:23:57,538 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 10:23:57,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 10:23:57 BoogieIcfgContainer [2022-10-17 10:23:57,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 10:23:57,565 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:23:57,565 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:23:57,565 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:23:57,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:23:46" (3/4) ... [2022-10-17 10:23:57,568 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 10:23:57,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-10-17 10:23:57,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 10:23:57,574 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-10-17 10:23:57,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 10:23:57,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 10:23:57,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 10:23:57,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-10-17 10:23:57,575 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-10-17 10:23:57,584 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-10-17 10:23:57,585 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-10-17 10:23:57,586 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-10-17 10:23:57,586 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 10:23:57,587 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 10:23:57,588 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 10:23:57,588 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 10:23:57,614 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0))) && ((!(1 == systemActive) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0))) || !(methaneLevelCritical == 0)) [2022-10-17 10:23:57,615 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || waterLevel == 1) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && ((((1 <= tmp && pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel))) [2022-10-17 10:23:57,616 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || waterLevel == 1) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((methaneLevelCritical == 0 && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) || !(2 <= \old(waterLevel)))) && (((((pumpRunning == 0 && tmp == 0) || !(1 == systemActive)) || (pumpRunning == \old(pumpRunning) && tmp == 0)) || !(methaneLevelCritical == 0)) || (((methaneLevelCritical == 0 && 2 <= waterLevel) && 1 == systemActive) && tmp == 0))) && ((((1 <= tmp && pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) [2022-10-17 10:23:57,616 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= tmp && pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((pumpRunning == 0 || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-10-17 10:23:57,617 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || waterLevel == 1) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((((1 <= tmp && pumpRunning == 0) && \result == 0) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0)) || !(1 <= methaneLevelCritical))) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) [2022-10-17 10:23:57,617 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= tmp)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) [2022-10-17 10:23:57,617 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) [2022-10-17 10:23:57,617 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0)))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) [2022-10-17 10:23:57,618 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && !(tmp == 0)) && \result == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || (((pumpRunning == 0 && tmp___0 == 0) && !(tmp == 0)) && \result == 0)) [2022-10-17 10:23:57,643 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/witness.graphml [2022-10-17 10:23:57,643 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:23:57,643 INFO L158 Benchmark]: Toolchain (without parser) took 12176.95ms. Allocated memory was 107.0MB in the beginning and 188.7MB in the end (delta: 81.8MB). Free memory was 65.7MB in the beginning and 135.6MB in the end (delta: -69.9MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2022-10-17 10:23:57,644 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:23:57,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 653.27ms. Allocated memory is still 107.0MB. Free memory was 65.6MB in the beginning and 71.6MB in the end (delta: -6.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 10:23:57,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.44ms. Allocated memory is still 107.0MB. Free memory was 71.6MB in the beginning and 69.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:23:57,645 INFO L158 Benchmark]: Boogie Preprocessor took 62.37ms. Allocated memory is still 107.0MB. Free memory was 69.2MB in the beginning and 67.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:23:57,645 INFO L158 Benchmark]: RCFGBuilder took 599.15ms. Allocated memory is still 107.0MB. Free memory was 67.6MB in the beginning and 48.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 10:23:57,646 INFO L158 Benchmark]: TraceAbstraction took 10690.24ms. Allocated memory was 107.0MB in the beginning and 188.7MB in the end (delta: 81.8MB). Free memory was 48.2MB in the beginning and 140.9MB in the end (delta: -92.6MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2022-10-17 10:23:57,646 INFO L158 Benchmark]: Witness Printer took 78.23ms. Allocated memory is still 188.7MB. Free memory was 140.9MB in the beginning and 135.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 10:23:57,648 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 653.27ms. Allocated memory is still 107.0MB. Free memory was 65.6MB in the beginning and 71.6MB in the end (delta: -6.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.44ms. Allocated memory is still 107.0MB. Free memory was 71.6MB in the beginning and 69.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.37ms. Allocated memory is still 107.0MB. Free memory was 69.2MB in the beginning and 67.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 599.15ms. Allocated memory is still 107.0MB. Free memory was 67.6MB in the beginning and 48.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 10690.24ms. Allocated memory was 107.0MB in the beginning and 188.7MB in the end (delta: 81.8MB). Free memory was 48.2MB in the beginning and 140.9MB in the end (delta: -92.6MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. * Witness Printer took 78.23ms. Allocated memory is still 188.7MB. Free memory was 140.9MB in the beginning and 135.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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: 420]: 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 9 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.6s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1392 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1363 mSDsluCounter, 3353 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2049 mSDsCounter, 455 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1790 IncrementalHoareTripleChecker+Invalid, 2245 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 455 mSolverCounterUnsat, 1304 mSDtfsCounter, 1790 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 372 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=508occurred in iteration=9, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 70 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 1303 PreInvPairs, 1482 NumberOfFragments, 1485 HoareAnnotationTreeSize, 1303 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 43 FomulaSimplificationsInter, 6973 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 741 NumberOfCodeBlocks, 741 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 728 ConstructedInterpolants, 0 QuantifiedInterpolants, 1428 SizeOfPredicates, 6 NumberOfNonLiveVariables, 887 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 89/103 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: 669]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || waterLevel == 1) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((((1 <= tmp && pumpRunning == 0) && \result == 0) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0)) || !(1 <= methaneLevelCritical))) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || waterLevel == 1) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((methaneLevelCritical == 0 && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) || !(2 <= \old(waterLevel)))) && (((((pumpRunning == 0 && tmp == 0) || !(1 == systemActive)) || (pumpRunning == \old(pumpRunning) && tmp == 0)) || !(methaneLevelCritical == 0)) || (((methaneLevelCritical == 0 && 2 <= waterLevel) && 1 == systemActive) && tmp == 0))) && ((((1 <= tmp && pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) || (((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= tmp)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (((((1 <= tmp && pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((pumpRunning == 0 || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0))) && ((!(1 == systemActive) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0))) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || waterLevel == 1) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && ((((1 <= tmp && pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && !(tmp == 0)) && \result == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || (((pumpRunning == 0 && tmp___0 == 0) && !(tmp == 0)) && \result == 0)) - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (!(1 == systemActive) || !(1 <= methaneLevelCritical)) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0)))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) RESULT: Ultimate proved your program to be correct! [2022-10-17 10:23:57,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b7c0b36-329a-4d28-8f7c-d396e90fba85/bin/uautomizer-J5u9QxTXDZ/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