./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product53.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_f4fc6adc-0108-4232-8cad-3818a2c78880/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/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_f4fc6adc-0108-4232-8cad-3818a2c78880/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/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_f4fc6adc-0108-4232-8cad-3818a2c78880/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 1f55fffdfb523946c08e4798dfd7a981dcf70594f408e958cce4b1b6e97bd924 --- 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 10:40:32,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:40:32,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:40:32,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:40:32,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:40:32,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:40:32,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:40:32,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:40:32,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:40:32,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:40:32,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:40:32,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:40:32,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:40:32,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:40:32,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:40:32,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:40:32,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:40:32,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:40:32,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:40:32,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:40:32,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:40:32,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:40:32,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:40:32,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:40:32,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:40:32,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:40:32,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:40:32,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:40:32,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:40:32,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:40:32,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:40:32,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:40:32,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:40:32,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:40:32,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:40:32,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:40:32,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:40:32,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:40:32,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:40:32,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:40:32,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:40:32,521 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-10-17 10:40:32,566 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:40:32,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:40:32,567 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:40:32,567 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:40:32,568 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:40:32,568 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:40:32,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:40:32,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:40:32,570 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:40:32,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:40:32,571 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:40:32,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:40:32,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:40:32,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:40:32,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:40:32,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:40:32,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:40:32,573 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:40:32,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:40:32,573 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:40:32,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:40:32,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:40:32,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:40:32,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:40:32,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:40:32,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:40:32,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:40:32,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:40:32,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:40:32,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:40:32,576 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:40:32,576 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:40:32,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:40:32,577 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_f4fc6adc-0108-4232-8cad-3818a2c78880/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f55fffdfb523946c08e4798dfd7a981dcf70594f408e958cce4b1b6e97bd924 [2022-10-17 10:40:32,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:40:32,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:40:32,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:40:32,916 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:40:32,917 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:40:32,919 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2022-10-17 10:40:33,014 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/bin/uautomizer-J5u9QxTXDZ/data/258435422/e9e23449345b45e8ad5ad19a5782cd31/FLAGdbe5f34fe [2022-10-17 10:40:33,598 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:40:33,599 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c [2022-10-17 10:40:33,627 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/bin/uautomizer-J5u9QxTXDZ/data/258435422/e9e23449345b45e8ad5ad19a5782cd31/FLAGdbe5f34fe [2022-10-17 10:40:33,904 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/bin/uautomizer-J5u9QxTXDZ/data/258435422/e9e23449345b45e8ad5ad19a5782cd31 [2022-10-17 10:40:33,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:40:33,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:40:33,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:40:33,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:40:33,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:40:33,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:40:33" (1/1) ... [2022-10-17 10:40:33,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5585adf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:33, skipping insertion in model container [2022-10-17 10:40:33,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:40:33" (1/1) ... [2022-10-17 10:40:33,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:40:33,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:40:34,232 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_f4fc6adc-0108-4232-8cad-3818a2c78880/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c[1605,1618] [2022-10-17 10:40:34,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:40:34,476 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:40:34,497 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_f4fc6adc-0108-4232-8cad-3818a2c78880/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c[1605,1618] [2022-10-17 10:40:34,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:40:34,610 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:40:34,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:34 WrapperNode [2022-10-17 10:40:34,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:40:34,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:40:34,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:40:34,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:40:34,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:34" (1/1) ... [2022-10-17 10:40:34,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:34" (1/1) ... [2022-10-17 10:40:34,684 INFO L138 Inliner]: procedures = 57, calls = 159, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 277 [2022-10-17 10:40:34,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:40:34,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:40:34,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:40:34,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:40:34,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:34" (1/1) ... [2022-10-17 10:40:34,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:34" (1/1) ... [2022-10-17 10:40:34,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:34" (1/1) ... [2022-10-17 10:40:34,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:34" (1/1) ... [2022-10-17 10:40:34,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:34" (1/1) ... [2022-10-17 10:40:34,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:34" (1/1) ... [2022-10-17 10:40:34,748 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:34" (1/1) ... [2022-10-17 10:40:34,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:34" (1/1) ... [2022-10-17 10:40:34,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:40:34,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:40:34,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:40:34,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:40:34,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:34" (1/1) ... [2022-10-17 10:40:34,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:40:34,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:40:34,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:40:34,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:40:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:40:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 10:40:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 10:40:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 10:40:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 10:40:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 10:40:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 10:40:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 10:40:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 10:40:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-10-17 10:40:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-10-17 10:40:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 10:40:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 10:40:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-10-17 10:40:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-10-17 10:40:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-10-17 10:40:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-10-17 10:40:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:40:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 10:40:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 10:40:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:40:34,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:40:34,935 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:40:34,938 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:40:35,558 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:40:35,567 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:40:35,567 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 10:40:35,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:40:35 BoogieIcfgContainer [2022-10-17 10:40:35,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:40:35,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:40:35,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:40:35,579 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:40:35,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:40:33" (1/3) ... [2022-10-17 10:40:35,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@733ac94e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:40:35, skipping insertion in model container [2022-10-17 10:40:35,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:40:34" (2/3) ... [2022-10-17 10:40:35,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@733ac94e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:40:35, skipping insertion in model container [2022-10-17 10:40:35,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:40:35" (3/3) ... [2022-10-17 10:40:35,583 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53.cil.c [2022-10-17 10:40:35,607 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:40:35,607 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:40:35,674 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:40:35,682 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;@186fd63b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:40:35,683 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:40:35,688 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-10-17 10:40:35,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 10:40:35,700 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:40:35,701 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 10:40:35,702 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:40:35,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:40:35,708 INFO L85 PathProgramCache]: Analyzing trace with hash 270425168, now seen corresponding path program 1 times [2022-10-17 10:40:35,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:40:35,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142390362] [2022-10-17 10:40:35,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:40:35,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:40:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:36,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-17 10:40:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:36,038 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 10:40:36,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:40:36,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142390362] [2022-10-17 10:40:36,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142390362] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:40:36,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:40:36,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:40:36,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890283196] [2022-10-17 10:40:36,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:40:36,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-17 10:40:36,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:40:36,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-17 10:40:36,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:40:36,080 INFO L87 Difference]: Start difference. First operand has 102 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) 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 10:40:36,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:40:36,155 INFO L93 Difference]: Finished difference Result 195 states and 266 transitions. [2022-10-17 10:40:36,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 10:40:36,157 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 10:40:36,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:40:36,169 INFO L225 Difference]: With dead ends: 195 [2022-10-17 10:40:36,169 INFO L226 Difference]: Without dead ends: 93 [2022-10-17 10:40:36,176 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 10:40:36,181 INFO L413 NwaCegarLoop]: 130 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, 130 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 10:40:36,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:40:36,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-10-17 10:40:36,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-10-17 10:40:36,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 68 states have (on average 1.3235294117647058) internal successors, (90), 77 states have internal predecessors, (90), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-10-17 10:40:36,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 121 transitions. [2022-10-17 10:40:36,311 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 121 transitions. Word has length 25 [2022-10-17 10:40:36,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:40:36,312 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 121 transitions. [2022-10-17 10:40:36,312 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 10:40:36,313 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2022-10-17 10:40:36,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 10:40:36,317 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:40:36,317 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 10:40:36,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:40:36,323 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:40:36,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:40:36,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1281530714, now seen corresponding path program 1 times [2022-10-17 10:40:36,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:40:36,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731021656] [2022-10-17 10:40:36,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:40:36,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:40:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:36,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-17 10:40:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:36,537 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 10:40:36,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:40:36,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731021656] [2022-10-17 10:40:36,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731021656] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:40:36,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:40:36,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:40:36,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173590388] [2022-10-17 10:40:36,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:40:36,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:40:36,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:40:36,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:40:36,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:40:36,542 INFO L87 Difference]: Start difference. First operand 93 states and 121 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 10:40:36,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:40:36,565 INFO L93 Difference]: Finished difference Result 151 states and 197 transitions. [2022-10-17 10:40:36,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:40:36,566 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 10:40:36,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:40:36,568 INFO L225 Difference]: With dead ends: 151 [2022-10-17 10:40:36,568 INFO L226 Difference]: Without dead ends: 84 [2022-10-17 10:40:36,570 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 10:40:36,572 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 12 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 200 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 10:40:36,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 200 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:40:36,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-10-17 10:40:36,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-10-17 10:40:36,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 71 states have internal predecessors, (83), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-10-17 10:40:36,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 109 transitions. [2022-10-17 10:40:36,594 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 109 transitions. Word has length 26 [2022-10-17 10:40:36,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:40:36,595 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 109 transitions. [2022-10-17 10:40:36,595 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 10:40:36,595 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2022-10-17 10:40:36,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 10:40:36,598 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:40:36,598 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 10:40:36,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:40:36,598 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:40:36,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:40:36,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1565936952, now seen corresponding path program 1 times [2022-10-17 10:40:36,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:40:36,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504958462] [2022-10-17 10:40:36,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:40:36,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:40:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:36,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:40:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:36,842 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 10:40:36,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:40:36,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504958462] [2022-10-17 10:40:36,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504958462] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:40:36,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:40:36,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:40:36,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941510023] [2022-10-17 10:40:36,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:40:36,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:40:36,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:40:36,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:40:36,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:40:36,847 INFO L87 Difference]: Start difference. First operand 84 states and 109 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 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 10:40:37,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:40:37,084 INFO L93 Difference]: Finished difference Result 160 states and 211 transitions. [2022-10-17 10:40:37,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:40:37,085 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 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 10:40:37,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:40:37,087 INFO L225 Difference]: With dead ends: 160 [2022-10-17 10:40:37,087 INFO L226 Difference]: Without dead ends: 84 [2022-10-17 10:40:37,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-17 10:40:37,094 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 204 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:40:37,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 226 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:40:37,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-10-17 10:40:37,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-10-17 10:40:37,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 71 states have internal predecessors, (82), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-10-17 10:40:37,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2022-10-17 10:40:37,115 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 30 [2022-10-17 10:40:37,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:40:37,115 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2022-10-17 10:40:37,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 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 10:40:37,116 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2022-10-17 10:40:37,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 10:40:37,125 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:40:37,126 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] [2022-10-17 10:40:37,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 10:40:37,126 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:40:37,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:40:37,127 INFO L85 PathProgramCache]: Analyzing trace with hash -2059110199, now seen corresponding path program 1 times [2022-10-17 10:40:37,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:40:37,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581794058] [2022-10-17 10:40:37,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:40:37,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:40:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:37,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:40:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:37,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-17 10:40:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:37,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:40:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:37,259 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 10:40:37,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:40:37,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581794058] [2022-10-17 10:40:37,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581794058] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:40:37,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:40:37,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:40:37,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473292481] [2022-10-17 10:40:37,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:40:37,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:40:37,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:40:37,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:40:37,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:40:37,271 INFO L87 Difference]: Start difference. First operand 84 states and 108 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-17 10:40:37,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:40:37,493 INFO L93 Difference]: Finished difference Result 239 states and 313 transitions. [2022-10-17 10:40:37,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:40:37,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2022-10-17 10:40:37,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:40:37,505 INFO L225 Difference]: With dead ends: 239 [2022-10-17 10:40:37,506 INFO L226 Difference]: Without dead ends: 163 [2022-10-17 10:40:37,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:40:37,513 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 150 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:40:37,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 231 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:40:37,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2022-10-17 10:40:37,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 157. [2022-10-17 10:40:37,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 117 states have (on average 1.2991452991452992) internal successors, (152), 125 states have internal predecessors, (152), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2022-10-17 10:40:37,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 201 transitions. [2022-10-17 10:40:37,561 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 201 transitions. Word has length 43 [2022-10-17 10:40:37,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:40:37,562 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 201 transitions. [2022-10-17 10:40:37,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-17 10:40:37,562 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 201 transitions. [2022-10-17 10:40:37,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 10:40:37,564 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:40:37,564 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] [2022-10-17 10:40:37,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 10:40:37,564 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:40:37,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:40:37,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1486842068, now seen corresponding path program 1 times [2022-10-17 10:40:37,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:40:37,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680871201] [2022-10-17 10:40:37,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:40:37,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:40:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:37,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:40:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:37,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:40:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:37,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-17 10:40:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:37,776 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 10:40:37,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:40:37,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680871201] [2022-10-17 10:40:37,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680871201] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:40:37,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:40:37,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:40:37,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113121947] [2022-10-17 10:40:37,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:40:37,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:40:37,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:40:37,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:40:37,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:40:37,784 INFO L87 Difference]: Start difference. First operand 157 states and 201 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-17 10:40:38,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:40:38,034 INFO L93 Difference]: Finished difference Result 314 states and 410 transitions. [2022-10-17 10:40:38,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:40:38,035 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2022-10-17 10:40:38,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:40:38,041 INFO L225 Difference]: With dead ends: 314 [2022-10-17 10:40:38,041 INFO L226 Difference]: Without dead ends: 165 [2022-10-17 10:40:38,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-10-17 10:40:38,052 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 70 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:40:38,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 433 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:40:38,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-10-17 10:40:38,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 160. [2022-10-17 10:40:38,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 120 states have (on average 1.2916666666666667) internal successors, (155), 128 states have internal predecessors, (155), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2022-10-17 10:40:38,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 204 transitions. [2022-10-17 10:40:38,100 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 204 transitions. Word has length 49 [2022-10-17 10:40:38,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:40:38,102 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 204 transitions. [2022-10-17 10:40:38,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-17 10:40:38,102 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 204 transitions. [2022-10-17 10:40:38,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 10:40:38,107 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:40:38,107 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] [2022-10-17 10:40:38,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-17 10:40:38,108 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:40:38,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:40:38,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1909543894, now seen corresponding path program 1 times [2022-10-17 10:40:38,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:40:38,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229292544] [2022-10-17 10:40:38,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:40:38,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:40:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:38,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:40:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:38,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:40:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:38,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-17 10:40:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:38,285 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 10:40:38,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:40:38,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229292544] [2022-10-17 10:40:38,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229292544] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:40:38,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:40:38,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:40:38,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041198060] [2022-10-17 10:40:38,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:40:38,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:40:38,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:40:38,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:40:38,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:40:38,288 INFO L87 Difference]: Start difference. First operand 160 states and 204 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-17 10:40:38,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:40:38,439 INFO L93 Difference]: Finished difference Result 322 states and 424 transitions. [2022-10-17 10:40:38,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:40:38,440 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2022-10-17 10:40:38,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:40:38,442 INFO L225 Difference]: With dead ends: 322 [2022-10-17 10:40:38,442 INFO L226 Difference]: Without dead ends: 170 [2022-10-17 10:40:38,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:40:38,444 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 74 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:40:38,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 338 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:40:38,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2022-10-17 10:40:38,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 162. [2022-10-17 10:40:38,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 122 states have (on average 1.2868852459016393) internal successors, (157), 130 states have internal predecessors, (157), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2022-10-17 10:40:38,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 206 transitions. [2022-10-17 10:40:38,469 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 206 transitions. Word has length 49 [2022-10-17 10:40:38,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:40:38,470 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 206 transitions. [2022-10-17 10:40:38,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-17 10:40:38,471 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 206 transitions. [2022-10-17 10:40:38,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 10:40:38,473 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:40:38,474 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] [2022-10-17 10:40:38,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-17 10:40:38,474 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:40:38,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:40:38,475 INFO L85 PathProgramCache]: Analyzing trace with hash 104105560, now seen corresponding path program 1 times [2022-10-17 10:40:38,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:40:38,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900212036] [2022-10-17 10:40:38,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:40:38,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:40:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:38,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:40:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:38,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:40:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:38,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-17 10:40:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:38,684 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 10:40:38,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:40:38,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900212036] [2022-10-17 10:40:38,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900212036] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:40:38,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:40:38,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:40:38,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652056837] [2022-10-17 10:40:38,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:40:38,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:40:38,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:40:38,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:40:38,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:40:38,689 INFO L87 Difference]: Start difference. First operand 162 states and 206 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 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 10:40:39,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:40:39,012 INFO L93 Difference]: Finished difference Result 451 states and 595 transitions. [2022-10-17 10:40:39,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:40:39,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 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 49 [2022-10-17 10:40:39,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:40:39,016 INFO L225 Difference]: With dead ends: 451 [2022-10-17 10:40:39,016 INFO L226 Difference]: Without dead ends: 297 [2022-10-17 10:40:39,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:40:39,018 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 220 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-17 10:40:39,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 354 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-17 10:40:39,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2022-10-17 10:40:39,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 289. [2022-10-17 10:40:39,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 216 states have (on average 1.2638888888888888) internal successors, (273), 228 states have internal predecessors, (273), 36 states have call successors, (36), 33 states have call predecessors, (36), 36 states have return successors, (62), 37 states have call predecessors, (62), 36 states have call successors, (62) [2022-10-17 10:40:39,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 371 transitions. [2022-10-17 10:40:39,073 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 371 transitions. Word has length 49 [2022-10-17 10:40:39,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:40:39,073 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 371 transitions. [2022-10-17 10:40:39,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 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 10:40:39,074 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 371 transitions. [2022-10-17 10:40:39,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 10:40:39,075 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:40:39,075 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, 1] [2022-10-17 10:40:39,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-17 10:40:39,076 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:40:39,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:40:39,076 INFO L85 PathProgramCache]: Analyzing trace with hash 528797415, now seen corresponding path program 1 times [2022-10-17 10:40:39,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:40:39,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401189460] [2022-10-17 10:40:39,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:40:39,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:40:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:39,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:40:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:39,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:40:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:39,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:40:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:39,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-17 10:40:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:39,253 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 10:40:39,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:40:39,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401189460] [2022-10-17 10:40:39,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401189460] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:40:39,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:40:39,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-17 10:40:39,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273067760] [2022-10-17 10:40:39,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:40:39,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 10:40:39,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:40:39,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:40:39,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:40:39,259 INFO L87 Difference]: Start difference. First operand 289 states and 371 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-17 10:40:39,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:40:39,618 INFO L93 Difference]: Finished difference Result 851 states and 1121 transitions. [2022-10-17 10:40:39,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-17 10:40:39,619 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-10-17 10:40:39,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:40:39,626 INFO L225 Difference]: With dead ends: 851 [2022-10-17 10:40:39,626 INFO L226 Difference]: Without dead ends: 570 [2022-10-17 10:40:39,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-10-17 10:40:39,629 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 179 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:40:39,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 419 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:40:39,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2022-10-17 10:40:39,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 550. [2022-10-17 10:40:39,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 405 states have (on average 1.2246913580246914) internal successors, (496), 428 states have internal predecessors, (496), 72 states have call successors, (72), 66 states have call predecessors, (72), 72 states have return successors, (129), 74 states have call predecessors, (129), 72 states have call successors, (129) [2022-10-17 10:40:39,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 697 transitions. [2022-10-17 10:40:39,714 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 697 transitions. Word has length 51 [2022-10-17 10:40:39,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:40:39,716 INFO L495 AbstractCegarLoop]: Abstraction has 550 states and 697 transitions. [2022-10-17 10:40:39,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-17 10:40:39,717 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 697 transitions. [2022-10-17 10:40:39,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 10:40:39,718 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:40:39,719 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, 1, 1, 1, 1, 1] [2022-10-17 10:40:39,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-17 10:40:39,719 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:40:39,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:40:39,720 INFO L85 PathProgramCache]: Analyzing trace with hash 412611307, now seen corresponding path program 1 times [2022-10-17 10:40:39,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:40:39,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414877810] [2022-10-17 10:40:39,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:40:39,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:40:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:39,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:40:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:39,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-17 10:40:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:39,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:40:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:39,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:40:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:39,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-17 10:40:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:39,924 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 10:40:39,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:40:39,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414877810] [2022-10-17 10:40:39,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414877810] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:40:39,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:40:39,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-17 10:40:39,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489967688] [2022-10-17 10:40:39,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:40:39,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 10:40:39,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:40:39,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:40:39,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:40:39,927 INFO L87 Difference]: Start difference. First operand 550 states and 697 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-17 10:40:40,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:40:40,452 INFO L93 Difference]: Finished difference Result 1108 states and 1417 transitions. [2022-10-17 10:40:40,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-17 10:40:40,453 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2022-10-17 10:40:40,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:40:40,458 INFO L225 Difference]: With dead ends: 1108 [2022-10-17 10:40:40,458 INFO L226 Difference]: Without dead ends: 566 [2022-10-17 10:40:40,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2022-10-17 10:40:40,461 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 205 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-17 10:40:40,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 198 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-17 10:40:40,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2022-10-17 10:40:40,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 546. [2022-10-17 10:40:40,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 401 states have (on average 1.2069825436408979) internal successors, (484), 424 states have internal predecessors, (484), 72 states have call successors, (72), 66 states have call predecessors, (72), 72 states have return successors, (129), 74 states have call predecessors, (129), 72 states have call successors, (129) [2022-10-17 10:40:40,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 685 transitions. [2022-10-17 10:40:40,527 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 685 transitions. Word has length 55 [2022-10-17 10:40:40,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:40:40,527 INFO L495 AbstractCegarLoop]: Abstraction has 546 states and 685 transitions. [2022-10-17 10:40:40,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-17 10:40:40,528 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 685 transitions. [2022-10-17 10:40:40,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 10:40:40,529 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:40:40,529 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, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:40:40,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-17 10:40:40,530 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:40:40,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:40:40,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1762581378, now seen corresponding path program 1 times [2022-10-17 10:40:40,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:40:40,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763792879] [2022-10-17 10:40:40,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:40:40,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:40:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:40,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-17 10:40:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:40,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:40:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:40,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-17 10:40:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:40,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:40:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:40,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-17 10:40:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:40,625 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 10:40:40,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:40:40,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763792879] [2022-10-17 10:40:40,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763792879] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:40:40,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:40:40,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:40:40,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804025705] [2022-10-17 10:40:40,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:40:40,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:40:40,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:40:40,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:40:40,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:40:40,627 INFO L87 Difference]: Start difference. First operand 546 states and 685 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-17 10:40:41,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:40:41,264 INFO L93 Difference]: Finished difference Result 1070 states and 1414 transitions. [2022-10-17 10:40:41,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-17 10:40:41,265 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 57 [2022-10-17 10:40:41,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:40:41,274 INFO L225 Difference]: With dead ends: 1070 [2022-10-17 10:40:41,274 INFO L226 Difference]: Without dead ends: 1068 [2022-10-17 10:40:41,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2022-10-17 10:40:41,276 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 455 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-17 10:40:41,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 176 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-17 10:40:41,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2022-10-17 10:40:41,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 830. [2022-10-17 10:40:41,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 608 states have (on average 1.2105263157894737) internal successors, (736), 652 states have internal predecessors, (736), 114 states have call successors, (114), 84 states have call predecessors, (114), 107 states have return successors, (244), 116 states have call predecessors, (244), 114 states have call successors, (244) [2022-10-17 10:40:41,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1094 transitions. [2022-10-17 10:40:41,386 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1094 transitions. Word has length 57 [2022-10-17 10:40:41,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:40:41,388 INFO L495 AbstractCegarLoop]: Abstraction has 830 states and 1094 transitions. [2022-10-17 10:40:41,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (6), 5 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-17 10:40:41,388 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1094 transitions. [2022-10-17 10:40:41,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-17 10:40:41,394 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:40:41,394 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:40:41,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-17 10:40:41,395 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:40:41,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:40:41,396 INFO L85 PathProgramCache]: Analyzing trace with hash -664407980, now seen corresponding path program 1 times [2022-10-17 10:40:41,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:40:41,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116763577] [2022-10-17 10:40:41,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:40:41,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:40:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:41,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-17 10:40:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:41,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:40:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:41,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-17 10:40:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:41,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:40:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:41,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:40:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:41,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-17 10:40:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:41,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-17 10:40:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:41,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:40:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:41,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-10-17 10:40:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:41,655 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 10:40:41,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:40:41,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116763577] [2022-10-17 10:40:41,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116763577] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:40:41,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038049430] [2022-10-17 10:40:41,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:40:41,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:40:41,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:40:41,662 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:40:41,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-17 10:40:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:41,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:40:41,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:40:41,990 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:40:41,990 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:40:41,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038049430] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:40:41,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-17 10:40:41,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 10 [2022-10-17 10:40:41,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726150337] [2022-10-17 10:40:41,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:40:41,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:40:41,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:40:41,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:40:42,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-10-17 10:40:42,012 INFO L87 Difference]: Start difference. First operand 830 states and 1094 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-17 10:40:42,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:40:42,145 INFO L93 Difference]: Finished difference Result 1436 states and 1934 transitions. [2022-10-17 10:40:42,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:40:42,146 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 100 [2022-10-17 10:40:42,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:40:42,152 INFO L225 Difference]: With dead ends: 1436 [2022-10-17 10:40:42,153 INFO L226 Difference]: Without dead ends: 718 [2022-10-17 10:40:42,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-10-17 10:40:42,158 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 51 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:40:42,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 219 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:40:42,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2022-10-17 10:40:42,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 718. [2022-10-17 10:40:42,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 718 states, 525 states have (on average 1.1866666666666668) internal successors, (623), 564 states have internal predecessors, (623), 99 states have call successors, (99), 77 states have call predecessors, (99), 93 states have return successors, (155), 99 states have call predecessors, (155), 99 states have call successors, (155) [2022-10-17 10:40:42,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 877 transitions. [2022-10-17 10:40:42,248 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 877 transitions. Word has length 100 [2022-10-17 10:40:42,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:40:42,249 INFO L495 AbstractCegarLoop]: Abstraction has 718 states and 877 transitions. [2022-10-17 10:40:42,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-17 10:40:42,249 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 877 transitions. [2022-10-17 10:40:42,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-17 10:40:42,259 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:40:42,260 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:40:42,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:40:42,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-10-17 10:40:42,474 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:40:42,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:40:42,474 INFO L85 PathProgramCache]: Analyzing trace with hash -2099189228, now seen corresponding path program 1 times [2022-10-17 10:40:42,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:40:42,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321405573] [2022-10-17 10:40:42,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:40:42,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:40:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:42,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-17 10:40:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:42,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:40:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:42,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-17 10:40:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:42,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:40:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:42,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:40:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:42,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-17 10:40:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:42,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-17 10:40:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:42,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-17 10:40:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:42,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-17 10:40:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:42,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:40:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:42,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-17 10:40:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:42,769 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 10:40:42,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:40:42,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321405573] [2022-10-17 10:40:42,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321405573] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:40:42,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600934990] [2022-10-17 10:40:42,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:40:42,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:40:42,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:40:42,774 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:40:42,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-17 10:40:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:40:42,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 10:40:42,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:40:43,134 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 10:40:43,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:40:43,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600934990] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:40:43,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-17 10:40:43,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 18 [2022-10-17 10:40:43,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750040378] [2022-10-17 10:40:43,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:40:43,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 10:40:43,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:40:43,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:40:43,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2022-10-17 10:40:43,139 INFO L87 Difference]: Start difference. First operand 718 states and 877 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2022-10-17 10:40:43,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:40:43,355 INFO L93 Difference]: Finished difference Result 1292 states and 1573 transitions. [2022-10-17 10:40:43,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:40:43,356 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) Word has length 110 [2022-10-17 10:40:43,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:40:43,358 INFO L225 Difference]: With dead ends: 1292 [2022-10-17 10:40:43,358 INFO L226 Difference]: Without dead ends: 0 [2022-10-17 10:40:43,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2022-10-17 10:40:43,364 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 46 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:40:43,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 862 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:40:43,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-17 10:40:43,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-17 10:40:43,366 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 10:40:43,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-17 10:40:43,366 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2022-10-17 10:40:43,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:40:43,367 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:40:43,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2022-10-17 10:40:43,367 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:40:43,368 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 10:40:43,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-10-17 10:40:43,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:40:43,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-10-17 10:40:43,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-17 10:40:49,509 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 624 631) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0))))) [2022-10-17 10:40:49,513 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 624 631) no Hoare annotation was computed. [2022-10-17 10:40:49,514 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 624 631) no Hoare annotation was computed. [2022-10-17 10:40:49,514 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 531 537) no Hoare annotation was computed. [2022-10-17 10:40:49,514 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 531 537) the Hoare annotation is: true [2022-10-17 10:40:49,514 INFO L899 garLoopResultBuilder]: For program point L897-1(lines 893 904) no Hoare annotation was computed. [2022-10-17 10:40:49,516 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 893 904) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse6 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse3 .cse6))) [2022-10-17 10:40:49,516 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 893 904) no Hoare annotation was computed. [2022-10-17 10:40:49,516 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 905 913) the Hoare annotation is: true [2022-10-17 10:40:49,516 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 905 913) no Hoare annotation was computed. [2022-10-17 10:40:49,517 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 905 913) no Hoare annotation was computed. [2022-10-17 10:40:49,517 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 767 796) no Hoare annotation was computed. [2022-10-17 10:40:49,517 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 767 796) the Hoare annotation is: true [2022-10-17 10:40:49,518 INFO L902 garLoopResultBuilder]: At program point L792(lines 767 796) the Hoare annotation is: true [2022-10-17 10:40:49,518 INFO L899 garLoopResultBuilder]: For program point L788(line 788) no Hoare annotation was computed. [2022-10-17 10:40:49,518 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 785) no Hoare annotation was computed. [2022-10-17 10:40:49,518 INFO L902 garLoopResultBuilder]: At program point L781-1(lines 781 785) the Hoare annotation is: true [2022-10-17 10:40:49,518 INFO L899 garLoopResultBuilder]: For program point L778(line 778) no Hoare annotation was computed. [2022-10-17 10:40:49,519 INFO L902 garLoopResultBuilder]: At program point L777-2(lines 777 791) the Hoare annotation is: true [2022-10-17 10:40:49,519 INFO L902 garLoopResultBuilder]: At program point L773(line 773) the Hoare annotation is: true [2022-10-17 10:40:49,519 INFO L899 garLoopResultBuilder]: For program point L773-1(line 773) no Hoare annotation was computed. [2022-10-17 10:40:49,520 INFO L895 garLoopResultBuilder]: At program point L605(line 605) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse2 .cse4 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse5))) [2022-10-17 10:40:49,524 INFO L895 garLoopResultBuilder]: At program point L601(line 601) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse7 (<= 1 |timeShift_processEnvironment_~tmp~6#1|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 (and .cse5 (= ~methAndRunningLastTime~0 0) .cse6 .cse7) .cse3) (or .cse5 .cse2 .cse4 .cse8) (or .cse0 .cse1 .cse2 .cse8) (or .cse2 .cse4 .cse3 (and .cse5 .cse6 .cse7) (not (<= 2 |old(~waterLevel~0)|))))) [2022-10-17 10:40:49,524 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 507 530) no Hoare annotation was computed. [2022-10-17 10:40:49,525 INFO L895 garLoopResultBuilder]: At program point L742(line 742) the Hoare annotation is: (let ((.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (= ~pumpRunning~0 0)) (.cse15 (<= 1 ~methaneLevelCritical~0)) (.cse14 (= 1 ~systemActive~0))) (let ((.cse8 (and .cse13 .cse15 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|) .cse14)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse7 (not .cse15)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (and .cse13 .cse12)) (.cse4 (not .cse14)) (.cse10 (<= 1 ~pumpRunning~0)) (.cse11 (<= 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse4 .cse6 .cse7 (not (<= 2 |old(~waterLevel~0)|)) .cse8) (or .cse1 .cse4 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse7) (or .cse0 .cse1 .cse9 .cse4 (and .cse10 .cse2 .cse11 .cse12) .cse7) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse13 .cse4 .cse6 .cse5) (or .cse0 .cse1 .cse9 .cse4 (and .cse10 .cse11 .cse12) .cse5)))) [2022-10-17 10:40:49,525 INFO L899 garLoopResultBuilder]: For program point L742-1(line 742) no Hoare annotation was computed. [2022-10-17 10:40:49,525 INFO L895 garLoopResultBuilder]: At program point L610(line 610) the Hoare annotation is: (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4) (or .cse1 .cse3 .cse5 .cse6) (or .cse3 .cse5 .cse4) (or .cse3 .cse5 .cse6 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse3 (and .cse7 .cse2 .cse8) .cse6) (or .cse0 .cse1 (and .cse7 .cse8) .cse3 .cse4))) [2022-10-17 10:40:49,526 INFO L895 garLoopResultBuilder]: At program point L610-1(lines 591 615) the Hoare annotation is: (let ((.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (= ~pumpRunning~0 0)) (.cse15 (<= 1 ~methaneLevelCritical~0)) (.cse14 (= 1 ~systemActive~0))) (let ((.cse8 (and .cse13 .cse15 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|) .cse14)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse7 (not .cse15)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (and .cse13 .cse12)) (.cse4 (not .cse14)) (.cse10 (<= 1 ~pumpRunning~0)) (.cse11 (<= 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse4 .cse6 .cse7 (not (<= 2 |old(~waterLevel~0)|)) .cse8) (or .cse1 .cse4 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse7) (or .cse0 .cse1 .cse9 .cse4 (and .cse10 .cse2 .cse11 .cse12) .cse7) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse13 .cse4 .cse6 .cse5) (or .cse0 .cse1 .cse9 .cse4 (and .cse10 .cse11 .cse12) .cse5)))) [2022-10-17 10:40:49,526 INFO L895 garLoopResultBuilder]: At program point L639(lines 632 642) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (<= 1 |timeShift_isMethaneAlarm_#res#1|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse6) (or .cse1 .cse2 .cse5 .cse3 (and .cse4 (= ~methAndRunningLastTime~0 0) .cse7)) (or .cse2 .cse5 .cse3 (and .cse4 .cse7) (not (<= 2 |old(~waterLevel~0)|))))) [2022-10-17 10:40:49,527 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 510 529) no Hoare annotation was computed. [2022-10-17 10:40:49,528 INFO L895 garLoopResultBuilder]: At program point L648(lines 643 651) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0)) (.cse10 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse11 (= 1 ~systemActive~0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse7 (and .cse9 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse10 (<= 1 |timeShift_processEnvironment_~tmp~6#1|) .cse11)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not .cse11)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse2) (or .cse3 .cse4 .cse5 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse6) (or .cse7 .cse0 .cse1 .cse6 (not (<= 2 |old(~waterLevel~0)|))) (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse3 .cse4 .cse0 (and (<= 1 ~pumpRunning~0) .cse5 (<= 2 ~waterLevel~0) .cse8) .cse6 (and .cse9 .cse10 .cse8))) (or .cse7 .cse4 .cse0 .cse1 .cse6)))) [2022-10-17 10:40:49,528 INFO L899 garLoopResultBuilder]: For program point L599(lines 599 607) no Hoare annotation was computed. [2022-10-17 10:40:49,528 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-10-17 10:40:49,528 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 612) no Hoare annotation was computed. [2022-10-17 10:40:49,529 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 758) no Hoare annotation was computed. [2022-10-17 10:40:49,529 INFO L899 garLoopResultBuilder]: For program point L744(lines 744 761) no Hoare annotation was computed. [2022-10-17 10:40:49,529 INFO L895 garLoopResultBuilder]: At program point L744-1(lines 736 764) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ~methAndRunningLastTime~0 0))) (let ((.cse0 (and .cse6 .cse7 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse9 (<= 1 ~pumpRunning~0)) (.cse10 (<= 2 ~waterLevel~0)) (.cse11 (not (= ~methaneLevelCritical~0 0))) (.cse12 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~9#1| 0)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse5 .cse1 (and .cse6 .cse7 .cse8) (and .cse9 .cse10 .cse8) .cse3) (or .cse5 .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse11 (and .cse6 .cse7 .cse12) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7 .cse12)) (or .cse4 .cse5 .cse1 (and .cse9 .cse7 .cse10 .cse12 .cse8) .cse11 (and .cse6 .cse7 .cse12 .cse8))))) [2022-10-17 10:40:49,529 INFO L895 garLoopResultBuilder]: At program point L637(line 637) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse2 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse6) (or .cse1 .cse2 .cse5 (and .cse4 (= ~methAndRunningLastTime~0 0)) .cse3))) [2022-10-17 10:40:49,530 INFO L899 garLoopResultBuilder]: For program point L637-1(line 637) no Hoare annotation was computed. [2022-10-17 10:40:49,530 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse2 .cse4 .cse5) (or .cse2 .cse4 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 .cse5))) [2022-10-17 10:40:49,530 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 507 530) the Hoare annotation is: (let ((.cse9 (= ~methAndRunningLastTime~0 0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and .cse8 .cse10)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and (= ~pumpRunning~0 0) .cse9 .cse10)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6 .cse2) (or .cse0 .cse1 .cse7 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse5 .cse0 .cse6 .cse7) (or (and .cse8 .cse9 .cse10) .cse5 .cse0 .cse1 .cse7)))) [2022-10-17 10:40:49,530 INFO L899 garLoopResultBuilder]: For program point L749(lines 749 755) no Hoare annotation was computed. [2022-10-17 10:40:49,531 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 507 530) no Hoare annotation was computed. [2022-10-17 10:40:49,531 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 877) no Hoare annotation was computed. [2022-10-17 10:40:49,531 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-10-17 10:40:49,531 INFO L895 garLoopResultBuilder]: At program point L873-2(lines 869 880) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse2 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse6) (or .cse1 .cse2 .cse5 (and .cse4 (= ~methAndRunningLastTime~0 0)) .cse3))) [2022-10-17 10:40:49,532 INFO L899 garLoopResultBuilder]: For program point L518-1(lines 518 524) no Hoare annotation was computed. [2022-10-17 10:40:49,532 INFO L895 garLoopResultBuilder]: At program point L733(lines 728 735) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_main_~tmp~10#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-10-17 10:40:49,532 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-10-17 10:40:49,532 INFO L902 garLoopResultBuilder]: At program point L861(lines 842 864) the Hoare annotation is: true [2022-10-17 10:40:49,533 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 93 99) no Hoare annotation was computed. [2022-10-17 10:40:49,533 INFO L902 garLoopResultBuilder]: At program point L122(lines 63 126) the Hoare annotation is: true [2022-10-17 10:40:49,533 INFO L895 garLoopResultBuilder]: At program point L985(lines 981 987) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-10-17 10:40:49,533 INFO L895 garLoopResultBuilder]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_main_~tmp~10#1| ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse7 .cse8 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-10-17 10:40:49,533 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-17 10:40:49,534 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-17 10:40:49,534 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-17 10:40:49,534 INFO L895 garLoopResultBuilder]: At program point L825(lines 821 827) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_main_~tmp~10#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-10-17 10:40:49,535 INFO L895 garLoopResultBuilder]: At program point L119(lines 72 120) the Hoare annotation is: false [2022-10-17 10:40:49,536 INFO L899 garLoopResultBuilder]: For program point L74(lines 73 118) no Hoare annotation was computed. [2022-10-17 10:40:49,536 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 114) no Hoare annotation was computed. [2022-10-17 10:40:49,536 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-17 10:40:49,536 INFO L895 garLoopResultBuilder]: At program point L95(line 95) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_main_~tmp~10#1| ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse7 .cse8 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-10-17 10:40:49,537 INFO L895 garLoopResultBuilder]: At program point L116(lines 73 118) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_main_~tmp~10#1| ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse7 .cse8 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-10-17 10:40:49,537 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 89) no Hoare annotation was computed. [2022-10-17 10:40:49,537 INFO L899 garLoopResultBuilder]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2022-10-17 10:40:49,537 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2022-10-17 10:40:49,538 INFO L895 garLoopResultBuilder]: At program point L1000(lines 995 1003) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-10-17 10:40:49,538 INFO L895 garLoopResultBuilder]: At program point L992(lines 988 994) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-10-17 10:40:49,538 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 859) no Hoare annotation was computed. [2022-10-17 10:40:49,539 INFO L899 garLoopResultBuilder]: For program point L852-2(lines 852 859) no Hoare annotation was computed. [2022-10-17 10:40:49,539 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 113) no Hoare annotation was computed. [2022-10-17 10:40:49,541 INFO L895 garLoopResultBuilder]: At program point L109-2(lines 103 114) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse8 (= ~methAndRunningLastTime~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_main_~tmp~10#1| ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse8 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse8 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse8 .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-10-17 10:40:49,541 INFO L902 garLoopResultBuilder]: At program point L836(lines 828 838) the Hoare annotation is: true [2022-10-17 10:40:49,541 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 539 563) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 .cse0 .cse1) (or .cse2 .cse3 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))))) [2022-10-17 10:40:49,541 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 560) no Hoare annotation was computed. [2022-10-17 10:40:49,542 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 956) no Hoare annotation was computed. [2022-10-17 10:40:49,542 INFO L895 garLoopResultBuilder]: At program point L558(line 558) 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 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse0 .cse1))) [2022-10-17 10:40:49,542 INFO L899 garLoopResultBuilder]: For program point L558-1(lines 539 563) no Hoare annotation was computed. [2022-10-17 10:40:49,542 INFO L895 garLoopResultBuilder]: At program point L703(lines 688 706) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse6 (= 1 ~systemActive~0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse6)) (.cse3 (and .cse5 (<= 2 ~waterLevel~0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) .cse6 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 .cse1 .cse3 .cse4) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0)))))) [2022-10-17 10:40:49,542 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 539 563) no Hoare annotation was computed. [2022-10-17 10:40:49,543 INFO L895 garLoopResultBuilder]: At program point L955(lines 946 959) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (and .cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1))) (.cse4 (and .cse5 (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 .cse3 .cse1 .cse4) (or .cse2 .cse0 .cse3 (not (<= 1 ~methaneLevelCritical~0)) .cse4 (not (= ~methAndRunningLastTime~0 0)))))) [2022-10-17 10:40:49,543 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 701) no Hoare annotation was computed. [2022-10-17 10:40:49,543 INFO L899 garLoopResultBuilder]: For program point L697-2(lines 697 701) no Hoare annotation was computed. [2022-10-17 10:40:49,543 INFO L895 garLoopResultBuilder]: At program point L621(lines 616 623) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse3 .cse0 .cse1))) [2022-10-17 10:40:49,544 INFO L895 garLoopResultBuilder]: At program point L553(line 553) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse4)) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~4#1| 0) .cse4))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 .cse1 .cse3) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 (not (= ~methAndRunningLastTime~0 0)))))) [2022-10-17 10:40:49,545 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 555) no Hoare annotation was computed. [2022-10-17 10:40:49,545 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 881 892) no Hoare annotation was computed. [2022-10-17 10:40:49,545 INFO L899 garLoopResultBuilder]: For program point L885-1(lines 881 892) no Hoare annotation was computed. [2022-10-17 10:40:49,545 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 881 892) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse0 .cse1 .cse3 .cse5) (or .cse0 .cse6 .cse2 .cse3 .cse5) (or .cse4 .cse0 .cse6 .cse3 .cse5))) [2022-10-17 10:40:49,546 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 565 589) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 .cse0 .cse1) (or .cse2 .cse3 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))))) [2022-10-17 10:40:49,547 INFO L895 garLoopResultBuilder]: At program point L965(lines 960 968) 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 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse0 .cse1))) [2022-10-17 10:40:49,547 INFO L895 garLoopResultBuilder]: At program point L579(line 579) 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 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse0 .cse1))) [2022-10-17 10:40:49,547 INFO L895 garLoopResultBuilder]: At program point L575(line 575) 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 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse0 .cse1))) [2022-10-17 10:40:49,547 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 565 589) no Hoare annotation was computed. [2022-10-17 10:40:49,548 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 581) no Hoare annotation was computed. [2022-10-17 10:40:49,548 INFO L899 garLoopResultBuilder]: For program point L569(lines 569 586) no Hoare annotation was computed. [2022-10-17 10:40:49,548 INFO L895 garLoopResultBuilder]: At program point L722(lines 707 725) 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 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse0 .cse1))) [2022-10-17 10:40:49,548 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 720) no Hoare annotation was computed. [2022-10-17 10:40:49,548 INFO L899 garLoopResultBuilder]: For program point L716-2(lines 716 720) no Hoare annotation was computed. [2022-10-17 10:40:49,549 INFO L895 garLoopResultBuilder]: At program point L584(line 584) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 .cse0 .cse1) (or .cse2 .cse3 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))))) [2022-10-17 10:40:49,549 INFO L899 garLoopResultBuilder]: For program point L584-1(lines 565 589) no Hoare annotation was computed. [2022-10-17 10:40:49,553 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:40:49,556 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 10:40:49,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 10:40:49 BoogieIcfgContainer [2022-10-17 10:40:49,618 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 10:40:49,625 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:40:49,625 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:40:49,626 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:40:49,626 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:40:35" (3/4) ... [2022-10-17 10:40:49,629 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 10:40:49,635 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-10-17 10:40:49,636 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-10-17 10:40:49,636 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 10:40:49,636 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-10-17 10:40:49,636 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 10:40:49,636 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 10:40:49,637 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-10-17 10:40:49,637 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 10:40:49,637 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-10-17 10:40:49,652 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2022-10-17 10:40:49,653 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-10-17 10:40:49,654 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-10-17 10:40:49,655 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 10:40:49,655 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 10:40:49,656 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 10:40:49,656 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 10:40:49,685 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-10-17 10:40:49,685 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-10-17 10:40:49,686 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-10-17 10:40:49,686 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0)) || ((((((1 <= pumpRunning && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0)) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) [2022-10-17 10:40:49,688 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0)) || !(1 <= methaneLevelCritical)) [2022-10-17 10:40:49,689 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= tmp) && 1 == systemActive))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= tmp) && 1 == systemActive))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) [2022-10-17 10:40:49,691 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= \result) && 1 <= tmp) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical))) && ((((!(\old(methAndRunningLastTime) == 0) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= \result) && 1 <= tmp)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && tmp == 0))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) [2022-10-17 10:40:49,691 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && 1 <= \result))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= \result)) || !(2 <= \old(waterLevel))) [2022-10-17 10:40:49,692 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((((((((pumpRunning == 0 && 1 <= \result) && \result == 0) && 1 <= tmp) && 1 == systemActive) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel))) && ((((((((pumpRunning == 0 && 1 <= \result) && \result == 0) && 1 <= tmp) && 1 == systemActive) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) [2022-10-17 10:40:49,692 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-10-17 10:40:49,693 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || !(methAndRunningLastTime == 0)) [2022-10-17 10:40:49,693 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-10-17 10:40:49,693 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-10-17 10:40:49,694 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0)) || !(methAndRunningLastTime == 0)) [2022-10-17 10:40:49,698 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-10-17 10:40:49,750 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/bin/uautomizer-J5u9QxTXDZ/witness.graphml [2022-10-17 10:40:49,751 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:40:49,751 INFO L158 Benchmark]: Toolchain (without parser) took 15842.99ms. Allocated memory was 130.0MB in the beginning and 245.4MB in the end (delta: 115.3MB). Free memory was 87.2MB in the beginning and 166.0MB in the end (delta: -78.8MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2022-10-17 10:40:49,752 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:40:49,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 699.30ms. Allocated memory is still 130.0MB. Free memory was 87.1MB in the beginning and 92.7MB in the end (delta: -5.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 10:40:49,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.43ms. Allocated memory is still 130.0MB. Free memory was 92.7MB in the beginning and 90.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 10:40:49,753 INFO L158 Benchmark]: Boogie Preprocessor took 68.83ms. Allocated memory is still 130.0MB. Free memory was 90.1MB in the beginning and 88.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:40:49,754 INFO L158 Benchmark]: RCFGBuilder took 815.84ms. Allocated memory is still 130.0MB. Free memory was 88.0MB in the beginning and 68.6MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 10:40:49,754 INFO L158 Benchmark]: TraceAbstraction took 14051.80ms. Allocated memory was 130.0MB in the beginning and 245.4MB in the end (delta: 115.3MB). Free memory was 67.5MB in the beginning and 172.3MB in the end (delta: -104.7MB). Peak memory consumption was 112.6MB. Max. memory is 16.1GB. [2022-10-17 10:40:49,756 INFO L158 Benchmark]: Witness Printer took 125.62ms. Allocated memory is still 245.4MB. Free memory was 172.3MB in the beginning and 166.0MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 10:40:49,758 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 699.30ms. Allocated memory is still 130.0MB. Free memory was 87.1MB in the beginning and 92.7MB in the end (delta: -5.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.43ms. Allocated memory is still 130.0MB. Free memory was 92.7MB in the beginning and 90.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.83ms. Allocated memory is still 130.0MB. Free memory was 90.1MB in the beginning and 88.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 815.84ms. Allocated memory is still 130.0MB. Free memory was 88.0MB in the beginning and 68.6MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 14051.80ms. Allocated memory was 130.0MB in the beginning and 245.4MB in the end (delta: 115.3MB). Free memory was 67.5MB in the beginning and 172.3MB in the end (delta: -104.7MB). Peak memory consumption was 112.6MB. Max. memory is 16.1GB. * Witness Printer took 125.62ms. Allocated memory is still 245.4MB. Free memory was 172.3MB in the beginning and 166.0MB in the end (delta: 6.3MB). 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: 54]: 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 10 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.9s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1701 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1666 mSDsluCounter, 3786 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2332 mSDsCounter, 582 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1551 IncrementalHoareTripleChecker+Invalid, 2133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 582 mSolverCounterUnsat, 1454 mSDtfsCounter, 1551 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 428 GetRequests, 331 SyntacticMatches, 1 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=830occurred in iteration=10, InterpolantAutomatonStates: 85, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 305 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 1749 PreInvPairs, 1937 NumberOfFragments, 2921 HoareAnnotationTreeSize, 1749 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 47 FomulaSimplificationsInter, 12070 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 854 NumberOfCodeBlocks, 854 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 840 ConstructedInterpolants, 0 QuantifiedInterpolants, 1582 SizeOfPredicates, 5 NumberOfNonLiveVariables, 995 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 148/157 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: 632]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && 1 <= \result))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= \result)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 707]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0)) || !(1 <= methaneLevelCritical)) - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((((((((pumpRunning == 0 && 1 <= \result) && \result == 0) && 1 <= tmp) && 1 == systemActive) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel))) && ((((((((pumpRunning == 0 && 1 <= \result) && \result == 0) && 1 <= tmp) && 1 == systemActive) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= tmp) && 1 == systemActive))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= tmp) && 1 == systemActive))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: ((((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= \result) && 1 <= tmp) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical))) && ((((!(\old(methAndRunningLastTime) == 0) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= \result) && 1 <= tmp)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && tmp == 0))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0)) || ((((((1 <= pumpRunning && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0)) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 988]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 995]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-10-17 10:40:49,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4fc6adc-0108-4232-8cad-3818a2c78880/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