./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa --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 9cfe95aaca007f6467395901a9efc89e5ad27f0fc32ae7ae8a1fe4e27a1f35c1 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:12:52,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:12:52,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:12:52,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:12:52,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:12:52,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:12:52,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:12:52,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:12:52,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:12:52,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:12:52,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:12:52,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:12:52,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:12:52,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:12:52,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:12:52,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:12:52,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:12:52,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:12:52,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:12:52,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:12:52,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:12:52,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:12:52,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:12:52,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:12:52,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:12:52,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:12:52,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:12:52,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:12:52,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:12:52,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:12:52,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:12:52,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:12:52,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:12:52,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:12:52,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:12:52,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:12:52,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:12:52,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:12:52,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:12:52,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:12:52,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:12:52,635 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 19:12:52,667 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:12:52,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:12:52,668 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:12:52,668 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:12:52,669 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:12:52,669 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:12:52,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:12:52,670 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:12:52,670 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:12:52,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:12:52,670 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 19:12:52,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:12:52,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 19:12:52,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:12:52,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 19:12:52,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:12:52,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 19:12:52,672 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 19:12:52,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:12:52,672 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:12:52,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 19:12:52,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:12:52,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:12:52,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:12:52,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:12:52,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:12:52,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:12:52,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 19:12:52,674 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:12:52,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 19:12:52,674 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 19:12:52,674 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 19:12:52,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 19:12:52,674 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:12:52,675 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_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cfe95aaca007f6467395901a9efc89e5ad27f0fc32ae7ae8a1fe4e27a1f35c1 [2021-12-06 19:12:52,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:12:52,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:12:52,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:12:52,863 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:12:52,863 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:12:52,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2021-12-06 19:12:52,913 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/data/e1c352622/2f1a69dd5fb0433592458119685dddf3/FLAG5f4a7f700 [2021-12-06 19:12:53,347 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:12:53,347 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2021-12-06 19:12:53,358 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/data/e1c352622/2f1a69dd5fb0433592458119685dddf3/FLAG5f4a7f700 [2021-12-06 19:12:53,368 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/data/e1c352622/2f1a69dd5fb0433592458119685dddf3 [2021-12-06 19:12:53,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:12:53,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:12:53,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:12:53,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:12:53,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:12:53,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:12:53" (1/1) ... [2021-12-06 19:12:53,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e12e62f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:53, skipping insertion in model container [2021-12-06 19:12:53,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:12:53" (1/1) ... [2021-12-06 19:12:53,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:12:53,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:12:53,524 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_a3a19c75-db7a-481f-bc07-d1f65a50b91c/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c[1605,1618] [2021-12-06 19:12:53,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:12:53,609 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:12:53,619 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_a3a19c75-db7a-481f-bc07-d1f65a50b91c/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c[1605,1618] [2021-12-06 19:12:53,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:12:53,677 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:12:53,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:53 WrapperNode [2021-12-06 19:12:53,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:12:53,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:12:53,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:12:53,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:12:53,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:53" (1/1) ... [2021-12-06 19:12:53,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:53" (1/1) ... [2021-12-06 19:12:53,726 INFO L137 Inliner]: procedures = 58, calls = 158, calls flagged for inlining = 26, calls inlined = 22, statements flattened = 265 [2021-12-06 19:12:53,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:12:53,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:12:53,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:12:53,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:12:53,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:53" (1/1) ... [2021-12-06 19:12:53,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:53" (1/1) ... [2021-12-06 19:12:53,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:53" (1/1) ... [2021-12-06 19:12:53,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:53" (1/1) ... [2021-12-06 19:12:53,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:53" (1/1) ... [2021-12-06 19:12:53,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:53" (1/1) ... [2021-12-06 19:12:53,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:53" (1/1) ... [2021-12-06 19:12:53,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:12:53,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:12:53,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:12:53,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:12:53,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:53" (1/1) ... [2021-12-06 19:12:53,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:12:53,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:53,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 19:12:53,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 19:12:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:12:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-06 19:12:53,818 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-06 19:12:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-06 19:12:53,818 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-06 19:12:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-06 19:12:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-06 19:12:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-06 19:12:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-06 19:12:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-06 19:12:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-06 19:12:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-12-06 19:12:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-12-06 19:12:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 19:12:53,820 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-06 19:12:53,820 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-06 19:12:53,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:12:53,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:12:53,885 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:12:53,886 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:12:54,130 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:12:54,135 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:12:54,136 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 19:12:54,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:12:54 BoogieIcfgContainer [2021-12-06 19:12:54,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:12:54,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 19:12:54,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 19:12:54,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 19:12:54,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:12:53" (1/3) ... [2021-12-06 19:12:54,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@efc063f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:12:54, skipping insertion in model container [2021-12-06 19:12:54,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:12:53" (2/3) ... [2021-12-06 19:12:54,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@efc063f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:12:54, skipping insertion in model container [2021-12-06 19:12:54,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:12:54" (3/3) ... [2021-12-06 19:12:54,144 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2021-12-06 19:12:54,148 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 19:12:54,148 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 19:12:54,186 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:12:54,191 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 19:12:54,191 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 19:12:54,206 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 72 states have (on average 1.375) internal successors, (99), 80 states have internal predecessors, (99), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-06 19:12:54,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-06 19:12:54,213 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:54,214 INFO L514 BasicCegarLoop]: 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] [2021-12-06 19:12:54,214 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:12:54,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:54,219 INFO L85 PathProgramCache]: Analyzing trace with hash 58300630, now seen corresponding path program 1 times [2021-12-06 19:12:54,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:54,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575033132] [2021-12-06 19:12:54,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:54,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:54,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 19:12:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:54,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 19:12:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:54,390 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:12:54,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:54,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575033132] [2021-12-06 19:12:54,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575033132] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:54,392 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:54,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 19:12:54,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872635299] [2021-12-06 19:12:54,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:54,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 19:12:54,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:54,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 19:12:54,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 19:12:54,422 INFO L87 Difference]: Start difference. First operand has 93 states, 72 states have (on average 1.375) internal successors, (99), 80 states have internal predecessors, (99), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 19:12:54,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:54,455 INFO L93 Difference]: Finished difference Result 177 states and 240 transitions. [2021-12-06 19:12:54,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 19:12:54,457 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-12-06 19:12:54,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:54,464 INFO L225 Difference]: With dead ends: 177 [2021-12-06 19:12:54,470 INFO L226 Difference]: Without dead ends: 84 [2021-12-06 19:12:54,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 19:12:54,476 INFO L933 BasicCegarLoop]: 117 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, 117 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 [2021-12-06 19:12:54,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:12:54,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-12-06 19:12:54,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2021-12-06 19:12:54,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 72 states have internal predecessors, (85), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-06 19:12:54,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2021-12-06 19:12:54,512 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 32 [2021-12-06 19:12:54,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:54,512 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2021-12-06 19:12:54,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 19:12:54,513 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2021-12-06 19:12:54,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-06 19:12:54,515 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:54,515 INFO L514 BasicCegarLoop]: 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] [2021-12-06 19:12:54,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 19:12:54,516 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:12:54,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:54,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1182453555, now seen corresponding path program 1 times [2021-12-06 19:12:54,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:54,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222892388] [2021-12-06 19:12:54,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:54,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:54,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:12:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:54,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:12:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:54,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:12:54,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:54,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222892388] [2021-12-06 19:12:54,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222892388] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:54,581 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:54,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:12:54,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616160056] [2021-12-06 19:12:54,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:54,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:12:54,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:54,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:12:54,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:12:54,583 INFO L87 Difference]: Start difference. First operand 84 states and 108 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 19:12:54,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:54,596 INFO L93 Difference]: Finished difference Result 132 states and 170 transitions. [2021-12-06 19:12:54,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:12:54,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-12-06 19:12:54,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:54,598 INFO L225 Difference]: With dead ends: 132 [2021-12-06 19:12:54,598 INFO L226 Difference]: Without dead ends: 75 [2021-12-06 19:12:54,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:12:54,600 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 13 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 173 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 [2021-12-06 19:12:54,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 173 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:12:54,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-12-06 19:12:54,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-12-06 19:12:54,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 66 states have internal predecessors, (78), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-06 19:12:54,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions. [2021-12-06 19:12:54,609 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 33 [2021-12-06 19:12:54,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:54,610 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 96 transitions. [2021-12-06 19:12:54,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 19:12:54,610 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2021-12-06 19:12:54,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-06 19:12:54,611 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:54,611 INFO L514 BasicCegarLoop]: 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] [2021-12-06 19:12:54,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 19:12:54,612 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:12:54,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:54,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1082286122, now seen corresponding path program 1 times [2021-12-06 19:12:54,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:54,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071483305] [2021-12-06 19:12:54,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:54,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:54,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 19:12:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:54,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 19:12:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:54,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:12:54,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:54,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071483305] [2021-12-06 19:12:54,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071483305] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:54,671 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:54,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:12:54,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431336396] [2021-12-06 19:12:54,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:54,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:12:54,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:54,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:12:54,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:12:54,673 INFO L87 Difference]: Start difference. First operand 75 states and 96 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 19:12:54,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:54,697 INFO L93 Difference]: Finished difference Result 142 states and 185 transitions. [2021-12-06 19:12:54,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:12:54,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2021-12-06 19:12:54,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:54,699 INFO L225 Difference]: With dead ends: 142 [2021-12-06 19:12:54,699 INFO L226 Difference]: Without dead ends: 75 [2021-12-06 19:12:54,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:12:54,701 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 86 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:54,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 94 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:12:54,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-12-06 19:12:54,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-12-06 19:12:54,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.305084745762712) internal successors, (77), 66 states have internal predecessors, (77), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-06 19:12:54,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 95 transitions. [2021-12-06 19:12:54,711 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 95 transitions. Word has length 38 [2021-12-06 19:12:54,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:54,712 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 95 transitions. [2021-12-06 19:12:54,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-06 19:12:54,712 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 95 transitions. [2021-12-06 19:12:54,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-06 19:12:54,713 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:54,714 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:54,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 19:12:54,714 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:12:54,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:54,714 INFO L85 PathProgramCache]: Analyzing trace with hash 605778703, now seen corresponding path program 1 times [2021-12-06 19:12:54,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:54,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160122234] [2021-12-06 19:12:54,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:54,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:54,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 19:12:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:54,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 19:12:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:54,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:12:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:54,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-06 19:12:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:54,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:12:54,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:54,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160122234] [2021-12-06 19:12:54,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160122234] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:54,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:54,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:12:54,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67074754] [2021-12-06 19:12:54,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:54,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:12:54,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:54,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:12:54,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:12:54,799 INFO L87 Difference]: Start difference. First operand 75 states and 95 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-06 19:12:54,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:54,936 INFO L93 Difference]: Finished difference Result 221 states and 282 transitions. [2021-12-06 19:12:54,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:12:54,936 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 48 [2021-12-06 19:12:54,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:54,939 INFO L225 Difference]: With dead ends: 221 [2021-12-06 19:12:54,939 INFO L226 Difference]: Without dead ends: 154 [2021-12-06 19:12:54,940 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:12:54,941 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 195 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:54,942 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 321 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:12:54,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-12-06 19:12:54,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 148. [2021-12-06 19:12:54,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 115 states have (on average 1.2695652173913043) internal successors, (146), 122 states have internal predecessors, (146), 16 states have call successors, (16), 13 states have call predecessors, (16), 16 states have return successors, (21), 17 states have call predecessors, (21), 16 states have call successors, (21) [2021-12-06 19:12:54,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 183 transitions. [2021-12-06 19:12:54,965 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 183 transitions. Word has length 48 [2021-12-06 19:12:54,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:54,965 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 183 transitions. [2021-12-06 19:12:54,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-06 19:12:54,966 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 183 transitions. [2021-12-06 19:12:54,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-06 19:12:54,967 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:54,968 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:54,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 19:12:54,968 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:12:54,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:54,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1075912719, now seen corresponding path program 1 times [2021-12-06 19:12:54,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:54,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336120405] [2021-12-06 19:12:54,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:54,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:55,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 19:12:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:55,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 19:12:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:55,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 19:12:55,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:55,041 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:12:55,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:55,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336120405] [2021-12-06 19:12:55,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336120405] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:55,042 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:55,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:12:55,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529793047] [2021-12-06 19:12:55,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:55,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:12:55,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:55,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:12:55,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:12:55,043 INFO L87 Difference]: Start difference. First operand 148 states and 183 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 19:12:55,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:55,140 INFO L93 Difference]: Finished difference Result 296 states and 370 transitions. [2021-12-06 19:12:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:12:55,140 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2021-12-06 19:12:55,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:55,142 INFO L225 Difference]: With dead ends: 296 [2021-12-06 19:12:55,143 INFO L226 Difference]: Without dead ends: 156 [2021-12-06 19:12:55,144 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:12:55,145 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 66 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:55,145 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 401 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:12:55,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-12-06 19:12:55,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 151. [2021-12-06 19:12:55,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 125 states have internal predecessors, (149), 16 states have call successors, (16), 13 states have call predecessors, (16), 16 states have return successors, (21), 17 states have call predecessors, (21), 16 states have call successors, (21) [2021-12-06 19:12:55,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 186 transitions. [2021-12-06 19:12:55,164 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 186 transitions. Word has length 52 [2021-12-06 19:12:55,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:55,165 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 186 transitions. [2021-12-06 19:12:55,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 19:12:55,170 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 186 transitions. [2021-12-06 19:12:55,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-06 19:12:55,172 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:55,173 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:55,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 19:12:55,173 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:12:55,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:55,174 INFO L85 PathProgramCache]: Analyzing trace with hash -613031023, now seen corresponding path program 1 times [2021-12-06 19:12:55,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:55,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820908978] [2021-12-06 19:12:55,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:55,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:55,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 19:12:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:55,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 19:12:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:55,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 19:12:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:55,248 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:12:55,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:55,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820908978] [2021-12-06 19:12:55,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820908978] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:55,249 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:55,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:12:55,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722875467] [2021-12-06 19:12:55,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:55,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:12:55,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:55,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:12:55,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:12:55,251 INFO L87 Difference]: Start difference. First operand 151 states and 186 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 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) [2021-12-06 19:12:55,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:55,339 INFO L93 Difference]: Finished difference Result 307 states and 385 transitions. [2021-12-06 19:12:55,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:12:55,340 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 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 52 [2021-12-06 19:12:55,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:55,341 INFO L225 Difference]: With dead ends: 307 [2021-12-06 19:12:55,341 INFO L226 Difference]: Without dead ends: 164 [2021-12-06 19:12:55,342 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:12:55,343 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 159 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:55,343 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 308 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:12:55,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-12-06 19:12:55,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 153. [2021-12-06 19:12:55,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 120 states have (on average 1.2583333333333333) internal successors, (151), 127 states have internal predecessors, (151), 16 states have call successors, (16), 13 states have call predecessors, (16), 16 states have return successors, (21), 17 states have call predecessors, (21), 16 states have call successors, (21) [2021-12-06 19:12:55,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 188 transitions. [2021-12-06 19:12:55,354 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 188 transitions. Word has length 52 [2021-12-06 19:12:55,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:55,354 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 188 transitions. [2021-12-06 19:12:55,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 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) [2021-12-06 19:12:55,355 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 188 transitions. [2021-12-06 19:12:55,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-06 19:12:55,355 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:55,356 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:55,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 19:12:55,356 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:12:55,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:55,356 INFO L85 PathProgramCache]: Analyzing trace with hash -190329197, now seen corresponding path program 1 times [2021-12-06 19:12:55,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:55,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049704496] [2021-12-06 19:12:55,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:55,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:55,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 19:12:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:55,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 19:12:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:55,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 19:12:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:55,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:12:55,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:55,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049704496] [2021-12-06 19:12:55,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049704496] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:55,409 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:55,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:12:55,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19442527] [2021-12-06 19:12:55,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:55,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:12:55,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:55,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:12:55,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:12:55,410 INFO L87 Difference]: Start difference. First operand 153 states and 188 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 19:12:55,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:55,541 INFO L93 Difference]: Finished difference Result 438 states and 558 transitions. [2021-12-06 19:12:55,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:12:55,542 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2021-12-06 19:12:55,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:55,544 INFO L225 Difference]: With dead ends: 438 [2021-12-06 19:12:55,544 INFO L226 Difference]: Without dead ends: 293 [2021-12-06 19:12:55,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:12:55,545 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 211 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:55,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 330 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:12:55,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-12-06 19:12:55,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 285. [2021-12-06 19:12:55,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 220 states have (on average 1.240909090909091) internal successors, (273), 231 states have internal predecessors, (273), 34 states have call successors, (34), 29 states have call predecessors, (34), 30 states have return successors, (49), 34 states have call predecessors, (49), 34 states have call successors, (49) [2021-12-06 19:12:55,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 356 transitions. [2021-12-06 19:12:55,564 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 356 transitions. Word has length 52 [2021-12-06 19:12:55,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:55,564 INFO L470 AbstractCegarLoop]: Abstraction has 285 states and 356 transitions. [2021-12-06 19:12:55,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 19:12:55,564 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 356 transitions. [2021-12-06 19:12:55,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-06 19:12:55,565 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:55,565 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:55,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 19:12:55,565 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:12:55,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:55,566 INFO L85 PathProgramCache]: Analyzing trace with hash 2088078071, now seen corresponding path program 1 times [2021-12-06 19:12:55,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:55,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775772582] [2021-12-06 19:12:55,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:55,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:55,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 19:12:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:55,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 19:12:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:55,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 19:12:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:55,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-06 19:12:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:55,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 19:12:55,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:55,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775772582] [2021-12-06 19:12:55,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775772582] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:55,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:55,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 19:12:55,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661365196] [2021-12-06 19:12:55,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:55,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 19:12:55,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:55,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 19:12:55,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:12:55,619 INFO L87 Difference]: Start difference. First operand 285 states and 356 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 19:12:55,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:55,758 INFO L93 Difference]: Finished difference Result 578 states and 733 transitions. [2021-12-06 19:12:55,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 19:12:55,759 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2021-12-06 19:12:55,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:55,761 INFO L225 Difference]: With dead ends: 578 [2021-12-06 19:12:55,761 INFO L226 Difference]: Without dead ends: 301 [2021-12-06 19:12:55,769 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-12-06 19:12:55,769 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 126 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:55,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 449 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:12:55,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2021-12-06 19:12:55,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 281. [2021-12-06 19:12:55,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 216 states have (on average 1.2083333333333333) internal successors, (261), 227 states have internal predecessors, (261), 34 states have call successors, (34), 29 states have call predecessors, (34), 30 states have return successors, (49), 34 states have call predecessors, (49), 34 states have call successors, (49) [2021-12-06 19:12:55,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 344 transitions. [2021-12-06 19:12:55,788 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 344 transitions. Word has length 54 [2021-12-06 19:12:55,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:55,789 INFO L470 AbstractCegarLoop]: Abstraction has 281 states and 344 transitions. [2021-12-06 19:12:55,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 19:12:55,789 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 344 transitions. [2021-12-06 19:12:55,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-06 19:12:55,789 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:55,790 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:55,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 19:12:55,790 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:12:55,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:55,790 INFO L85 PathProgramCache]: Analyzing trace with hash -312737299, now seen corresponding path program 1 times [2021-12-06 19:12:55,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:55,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56794312] [2021-12-06 19:12:55,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:55,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:55,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 19:12:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:55,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 19:12:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:55,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 19:12:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:55,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-06 19:12:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:55,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:12:55,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:55,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56794312] [2021-12-06 19:12:55,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56794312] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:55,888 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:55,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 19:12:55,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483052568] [2021-12-06 19:12:55,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:55,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 19:12:55,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:55,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 19:12:55,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:12:55,889 INFO L87 Difference]: Start difference. First operand 281 states and 344 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-06 19:12:56,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:56,392 INFO L93 Difference]: Finished difference Result 833 states and 1056 transitions. [2021-12-06 19:12:56,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-12-06 19:12:56,393 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2021-12-06 19:12:56,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:56,397 INFO L225 Difference]: With dead ends: 833 [2021-12-06 19:12:56,397 INFO L226 Difference]: Without dead ends: 611 [2021-12-06 19:12:56,399 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=187, Invalid=743, Unknown=0, NotChecked=0, Total=930 [2021-12-06 19:12:56,400 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 476 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:56,400 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [482 Valid, 867 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 19:12:56,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2021-12-06 19:12:56,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 522. [2021-12-06 19:12:56,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 403 states have (on average 1.2034739454094292) internal successors, (485), 425 states have internal predecessors, (485), 61 states have call successors, (61), 51 states have call predecessors, (61), 57 states have return successors, (85), 61 states have call predecessors, (85), 61 states have call successors, (85) [2021-12-06 19:12:56,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 631 transitions. [2021-12-06 19:12:56,444 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 631 transitions. Word has length 56 [2021-12-06 19:12:56,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:56,444 INFO L470 AbstractCegarLoop]: Abstraction has 522 states and 631 transitions. [2021-12-06 19:12:56,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-06 19:12:56,445 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 631 transitions. [2021-12-06 19:12:56,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-12-06 19:12:56,446 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:56,446 INFO L514 BasicCegarLoop]: 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] [2021-12-06 19:12:56,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 19:12:56,447 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:12:56,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:56,447 INFO L85 PathProgramCache]: Analyzing trace with hash -514851068, now seen corresponding path program 1 times [2021-12-06 19:12:56,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:56,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903409105] [2021-12-06 19:12:56,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:56,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:56,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 19:12:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:56,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-06 19:12:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:56,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:12:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:56,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:12:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:56,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 19:12:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:56,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 19:12:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:56,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:12:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:56,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 19:12:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:56,551 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-06 19:12:56,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:56,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903409105] [2021-12-06 19:12:56,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903409105] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:12:56,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319005444] [2021-12-06 19:12:56,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:56,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:12:56,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:56,553 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:12:56,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 19:12:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:56,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 19:12:56,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:56,835 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:12:56,836 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:12:57,003 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-06 19:12:57,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319005444] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:12:57,003 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:12:57,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 14 [2021-12-06 19:12:57,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369801548] [2021-12-06 19:12:57,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:12:57,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-06 19:12:57,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:57,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-06 19:12:57,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-12-06 19:12:57,005 INFO L87 Difference]: Start difference. First operand 522 states and 631 transitions. Second operand has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 10 states have internal predecessors, (116), 5 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2021-12-06 19:12:57,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:57,692 INFO L93 Difference]: Finished difference Result 1165 states and 1447 transitions. [2021-12-06 19:12:57,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-12-06 19:12:57,693 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 10 states have internal predecessors, (116), 5 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 98 [2021-12-06 19:12:57,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:57,698 INFO L225 Difference]: With dead ends: 1165 [2021-12-06 19:12:57,698 INFO L226 Difference]: Without dead ends: 700 [2021-12-06 19:12:57,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 221 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=421, Invalid=1559, Unknown=0, NotChecked=0, Total=1980 [2021-12-06 19:12:57,702 INFO L933 BasicCegarLoop]: 209 mSDtfsCounter, 488 mSDsluCounter, 1112 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 1321 SdHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:57,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [493 Valid, 1321 Invalid, 1073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 875 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 19:12:57,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2021-12-06 19:12:57,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 592. [2021-12-06 19:12:57,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 454 states have (on average 1.198237885462555) internal successors, (544), 483 states have internal predecessors, (544), 71 states have call successors, (71), 61 states have call predecessors, (71), 66 states have return successors, (91), 68 states have call predecessors, (91), 71 states have call successors, (91) [2021-12-06 19:12:57,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 706 transitions. [2021-12-06 19:12:57,751 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 706 transitions. Word has length 98 [2021-12-06 19:12:57,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:57,751 INFO L470 AbstractCegarLoop]: Abstraction has 592 states and 706 transitions. [2021-12-06 19:12:57,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 10 states have internal predecessors, (116), 5 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2021-12-06 19:12:57,752 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 706 transitions. [2021-12-06 19:12:57,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-12-06 19:12:57,755 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:57,756 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:57,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 19:12:57,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-06 19:12:57,957 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:12:57,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:57,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1096172742, now seen corresponding path program 1 times [2021-12-06 19:12:57,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:57,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096517547] [2021-12-06 19:12:57,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:57,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:58,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 19:12:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:58,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-06 19:12:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:58,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:12:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:58,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:12:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:58,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-06 19:12:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:58,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:12:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:58,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 19:12:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:58,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:12:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:58,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:12:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:58,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:12:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:58,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-06 19:12:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:58,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 19:12:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:58,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-06 19:12:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:58,101 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 69 proven. 5 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-12-06 19:12:58,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:58,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096517547] [2021-12-06 19:12:58,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096517547] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:12:58,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810489253] [2021-12-06 19:12:58,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:58,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:12:58,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:12:58,102 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:12:58,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 19:12:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:58,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-06 19:12:58,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:12:58,399 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 140 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-12-06 19:12:58,399 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:12:58,720 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 81 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-12-06 19:12:58,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810489253] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:12:58,721 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:12:58,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 25 [2021-12-06 19:12:58,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612817426] [2021-12-06 19:12:58,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:12:58,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-12-06 19:12:58,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:58,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-12-06 19:12:58,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2021-12-06 19:12:58,723 INFO L87 Difference]: Start difference. First operand 592 states and 706 transitions. Second operand has 25 states, 25 states have (on average 8.52) internal successors, (213), 21 states have internal predecessors, (213), 9 states have call successors, (27), 9 states have call predecessors, (27), 9 states have return successors, (29), 8 states have call predecessors, (29), 9 states have call successors, (29) [2021-12-06 19:12:59,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:59,395 INFO L93 Difference]: Finished difference Result 1257 states and 1548 transitions. [2021-12-06 19:12:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-06 19:12:59,396 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.52) internal successors, (213), 21 states have internal predecessors, (213), 9 states have call successors, (27), 9 states have call predecessors, (27), 9 states have return successors, (29), 8 states have call predecessors, (29), 9 states have call successors, (29) Word has length 172 [2021-12-06 19:12:59,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:59,397 INFO L225 Difference]: With dead ends: 1257 [2021-12-06 19:12:59,397 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 19:12:59,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 359 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=487, Invalid=1769, Unknown=0, NotChecked=0, Total=2256 [2021-12-06 19:12:59,402 INFO L933 BasicCegarLoop]: 136 mSDtfsCounter, 763 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 766 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 1226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:59,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [766 Valid, 909 Invalid, 1226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 986 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 19:12:59,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 19:12:59,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 19:12:59,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 19:12:59,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 19:12:59,403 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2021-12-06 19:12:59,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:59,403 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:12:59,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.52) internal successors, (213), 21 states have internal predecessors, (213), 9 states have call successors, (27), 9 states have call predecessors, (27), 9 states have return successors, (29), 8 states have call predecessors, (29), 9 states have call successors, (29) [2021-12-06 19:12:59,404 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 19:12:59,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 19:12:59,406 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 19:12:59,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 19:12:59,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-06 19:12:59,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 19:13:03,537 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 102 108) no Hoare annotation was computed. [2021-12-06 19:13:03,537 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 102 108) the Hoare annotation is: true [2021-12-06 19:13:03,537 INFO L858 garLoopResultBuilder]: For program point L381-1(lines 377 388) no Hoare annotation was computed. [2021-12-06 19:13:03,537 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 377 388) the Hoare annotation is: true [2021-12-06 19:13:03,537 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 377 388) no Hoare annotation was computed. [2021-12-06 19:13:03,537 INFO L858 garLoopResultBuilder]: For program point L929(line 929) no Hoare annotation was computed. [2021-12-06 19:13:03,537 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 908 937) no Hoare annotation was computed. [2021-12-06 19:13:03,538 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 908 937) the Hoare annotation is: true [2021-12-06 19:13:03,538 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 926) no Hoare annotation was computed. [2021-12-06 19:13:03,538 INFO L861 garLoopResultBuilder]: At program point L922-1(lines 922 926) the Hoare annotation is: true [2021-12-06 19:13:03,538 INFO L858 garLoopResultBuilder]: For program point L919(line 919) no Hoare annotation was computed. [2021-12-06 19:13:03,538 INFO L861 garLoopResultBuilder]: At program point L918-2(lines 918 932) the Hoare annotation is: true [2021-12-06 19:13:03,538 INFO L861 garLoopResultBuilder]: At program point L914(line 914) the Hoare annotation is: true [2021-12-06 19:13:03,538 INFO L858 garLoopResultBuilder]: For program point L914-1(line 914) no Hoare annotation was computed. [2021-12-06 19:13:03,538 INFO L861 garLoopResultBuilder]: At program point L933(lines 908 937) the Hoare annotation is: true [2021-12-06 19:13:03,538 INFO L854 garLoopResultBuilder]: At program point L155(line 155) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse2 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse2 (not (< 1 |old(~waterLevel~0)|)) .cse1))) [2021-12-06 19:13:03,538 INFO L854 garLoopResultBuilder]: At program point L155-1(lines 136 160) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (= ~pumpRunning~0 0)) (.cse10 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse16 (<= ~waterLevel~0 1)) (.cse15 (= 1 ~systemActive~0)) (.cse17 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse8 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse14 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse11 (and .cse0 .cse9 .cse10 .cse16 .cse15 .cse17 .cse8)) (.cse13 (and .cse3 .cse7 .cse16 .cse15 .cse17 .cse8)) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (and .cse9 .cse4)) (.cse2 (not .cse15)) (.cse12 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4) .cse5) (or .cse6 (and .cse7 .cse4 .cse8) (and .cse9 .cse10 .cse4 .cse8) .cse11 .cse2 .cse12 .cse13 .cse14) (or (not (= |old(~waterLevel~0)| 1)) .cse11 .cse2 .cse12 .cse13 .cse14) (or .cse11 .cse2 .cse12 (not (= |old(~waterLevel~0)| 2)) .cse13) (or .cse6 .cse0 .cse1 .cse2) (or .cse2 .cse12 (not (< 1 |old(~waterLevel~0)|)) (= ~waterLevel~0 1) .cse5)))) [2021-12-06 19:13:03,538 INFO L858 garLoopResultBuilder]: For program point L89-1(lines 89 95) no Hoare annotation was computed. [2021-12-06 19:13:03,539 INFO L854 garLoopResultBuilder]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse10 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse14 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse16 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse19 (<= ~waterLevel~0 1)) (.cse20 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse17 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| ~waterLevel~0)) (.cse12 (<= 1 ~switchedOnBeforeTS~0)) (.cse11 (= 1 ~systemActive~0))) (let ((.cse3 (< |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| 2)) (.cse4 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (< 1 |old(~waterLevel~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not .cse11)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (and (<= 1 ~pumpRunning~0) .cse14 .cse16 .cse19 .cse11 .cse20 .cse17 .cse12)) (.cse13 (and .cse16 .cse0 .cse2 .cse10 .cse19 .cse11 .cse20 .cse17 .cse12)) (.cse15 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5)) (or .cse0 .cse1 .cse6 .cse7) (or .cse1 .cse8 .cse9 (and .cse0 .cse2 .cse10 .cse3 .cse4 .cse11 .cse5 .cse12) .cse7 .cse13 (and .cse14 .cse3 .cse4 .cse5 .cse12) .cse15) (let ((.cse18 (= ~waterLevel~0 1))) (or (and .cse14 .cse16 .cse17 .cse18 .cse12) .cse1 .cse8 .cse6 .cse7 (and .cse16 .cse2 .cse10 .cse17 .cse18 .cse12))) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse8 .cse9 .cse13 .cse15)))) [2021-12-06 19:13:03,539 INFO L858 garLoopResultBuilder]: For program point L849-1(line 849) no Hoare annotation was computed. [2021-12-06 19:13:03,539 INFO L854 garLoopResultBuilder]: At program point L267(lines 252 270) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and (<= 1 ~pumpRunning~0) .cse2 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not .cse7)) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse0 .cse1 .cse5 .cse6) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse5 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse4)))) [2021-12-06 19:13:03,539 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 75 101) no Hoare annotation was computed. [2021-12-06 19:13:03,539 INFO L854 garLoopResultBuilder]: At program point L449(lines 444 452) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5)))) [2021-12-06 19:13:03,539 INFO L858 garLoopResultBuilder]: For program point L82(lines 82 88) no Hoare annotation was computed. [2021-12-06 19:13:03,539 INFO L858 garLoopResultBuilder]: For program point L82-2(lines 78 100) no Hoare annotation was computed. [2021-12-06 19:13:03,539 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 152) no Hoare annotation was computed. [2021-12-06 19:13:03,539 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 157) no Hoare annotation was computed. [2021-12-06 19:13:03,539 INFO L854 garLoopResultBuilder]: At program point L834(line 834) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse7)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 .cse0 (not (< 1 |old(~waterLevel~0)|)) (and .cse5 .cse6 (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse3) (or (and .cse5 .cse6 .cse7) (not (<= |old(~waterLevel~0)| 1)) .cse4 .cse0)))) [2021-12-06 19:13:03,539 INFO L858 garLoopResultBuilder]: For program point L834-1(line 834) no Hoare annotation was computed. [2021-12-06 19:13:03,539 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-12-06 19:13:03,540 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 861) no Hoare annotation was computed. [2021-12-06 19:13:03,540 INFO L858 garLoopResultBuilder]: For program point L847(lines 847 864) no Hoare annotation was computed. [2021-12-06 19:13:03,540 INFO L854 garLoopResultBuilder]: At program point L174(lines 169 176) the Hoare annotation is: (let ((.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse9 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse6 (and .cse8 .cse1 .cse2 (<= ~waterLevel~0 1) .cse9 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not .cse9)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2 (= ~waterLevel~0 1) .cse3) .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse5) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse6 .cse0 .cse4 .cse7) (or (not (= |old(~waterLevel~0)| 1)) .cse6 .cse0 .cse4 .cse7) (or .cse8 .cse0 .cse5)))) [2021-12-06 19:13:03,540 INFO L854 garLoopResultBuilder]: At program point L847-1(lines 839 867) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse22 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse7 (<= 1 ~pumpRunning~0)) (.cse16 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse17 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse23 (<= ~waterLevel~0 1)) (.cse24 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse19 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| ~waterLevel~0)) (.cse21 (<= 1 ~switchedOnBeforeTS~0)) (.cse18 (= 1 ~systemActive~0))) (let ((.cse10 (not (< 1 |old(~waterLevel~0)|))) (.cse11 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not .cse18)) (.cse12 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (< |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| 2)) (.cse5 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (and .cse7 .cse16 .cse17 .cse1 .cse23 .cse18 .cse24 .cse19 .cse21)) (.cse14 (and .cse17 .cse1 .cse3 .cse22 .cse23 .cse18 .cse24 .cse19 .cse21)) (.cse15 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6)) (let ((.cse8 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| 2)) (.cse9 (= 2 |timeShift_getWaterLevel_#res#1|))) (or .cse1 .cse2 (and .cse7 .cse8 .cse9 .cse6) .cse10 (and .cse3 .cse8 .cse9 .cse6) .cse11)) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse12 .cse13 .cse14 .cse15) (let ((.cse20 (= ~waterLevel~0 1))) (or (and .cse16 .cse17 .cse1 .cse18 .cse19 .cse20 .cse21) .cse2 .cse12 .cse10 (and .cse17 .cse1 .cse3 .cse22 .cse18 .cse19 .cse20 .cse21) .cse11)) (or .cse0 .cse2 .cse12 (and .cse16 .cse1 .cse4 .cse5 .cse18 .cse6 .cse21) (and .cse1 .cse3 .cse22 .cse4 .cse5 .cse18 .cse6 .cse21) .cse13 .cse14 .cse15)))) [2021-12-06 19:13:03,540 INFO L854 garLoopResultBuilder]: At program point L426(lines 421 429) the Hoare annotation is: (let ((.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse19 (<= 1 ~pumpRunning~0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse16 (<= ~waterLevel~0 1)) (.cse11 (= 1 ~systemActive~0)) (.cse20 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse13 (and .cse19 .cse7 .cse0 .cse16 .cse11 .cse20 .cse4)) (.cse14 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse15 (and .cse0 .cse9 .cse1 .cse2 .cse16 .cse11 .cse20 .cse4)) (.cse5 (not .cse11)) (.cse10 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5 .cse6 (not (< 1 |old(~waterLevel~0)|)) (and .cse7 .cse0 .cse3 .cse4) .cse8)) (or (and .cse9 .cse1 .cse2 .cse10 .cse11 .cse12 .cse4) (not (<= |old(~waterLevel~0)| 1)) .cse5 .cse6 .cse13 (and .cse7 .cse10 .cse12 .cse4) .cse14 .cse15) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse6 .cse13 .cse14 .cse15) (let ((.cse17 (= 2 ~waterLevel~0)) (.cse18 (= 2 |timeShift_getWaterLevel_#res#1|))) (or .cse9 .cse5 (and .cse1 .cse10 .cse16 .cse12) (and .cse1 .cse17 .cse18 .cse12) .cse8 (and .cse19 .cse17 .cse18 .cse12)))))) [2021-12-06 19:13:03,540 INFO L858 garLoopResultBuilder]: For program point L261(lines 261 265) no Hoare annotation was computed. [2021-12-06 19:13:03,540 INFO L858 garLoopResultBuilder]: For program point L261-2(lines 261 265) no Hoare annotation was computed. [2021-12-06 19:13:03,540 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse2))) [2021-12-06 19:13:03,540 INFO L854 garLoopResultBuilder]: At program point L150(line 150) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5)))) [2021-12-06 19:13:03,540 INFO L858 garLoopResultBuilder]: For program point L852(lines 852 858) no Hoare annotation was computed. [2021-12-06 19:13:03,541 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 75 101) the Hoare annotation is: (let ((.cse6 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse7)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 .cse0 (not (< 1 |old(~waterLevel~0)|)) (and .cse5 .cse6 (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse3) (or (and .cse5 .cse6 .cse7) (not (<= |old(~waterLevel~0)| 1)) .cse4 .cse0)))) [2021-12-06 19:13:03,541 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 75 101) no Hoare annotation was computed. [2021-12-06 19:13:03,541 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-12-06 19:13:03,541 INFO L858 garLoopResultBuilder]: For program point L357(lines 357 361) no Hoare annotation was computed. [2021-12-06 19:13:03,541 INFO L854 garLoopResultBuilder]: At program point L836(lines 829 838) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) .cse1 .cse2) (or .cse3 .cse1 .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse2) (or .cse3 .cse1 .cse4 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2021-12-06 19:13:03,541 INFO L854 garLoopResultBuilder]: At program point L357-2(lines 353 364) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5)))) [2021-12-06 19:13:03,541 INFO L854 garLoopResultBuilder]: At program point L894(lines 890 896) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 19:13:03,541 INFO L854 garLoopResultBuilder]: At program point L341(lines 292 342) the Hoare annotation is: false [2021-12-06 19:13:03,541 INFO L861 garLoopResultBuilder]: At program point L977(lines 969 979) the Hoare annotation is: true [2021-12-06 19:13:03,541 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 19:13:03,541 INFO L858 garLoopResultBuilder]: For program point L990(lines 990 997) no Hoare annotation was computed. [2021-12-06 19:13:03,541 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 19:13:03,541 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 19:13:03,542 INFO L858 garLoopResultBuilder]: For program point L990-2(lines 990 997) no Hoare annotation was computed. [2021-12-06 19:13:03,542 INFO L858 garLoopResultBuilder]: For program point L313(lines 313 319) no Hoare annotation was computed. [2021-12-06 19:13:03,542 INFO L858 garLoopResultBuilder]: For program point L313-1(lines 313 319) no Hoare annotation was computed. [2021-12-06 19:13:03,542 INFO L854 garLoopResultBuilder]: At program point L887(lines 883 889) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 19:13:03,542 INFO L854 garLoopResultBuilder]: At program point L276(lines 271 278) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2021-12-06 19:13:03,542 INFO L854 garLoopResultBuilder]: At program point L338(lines 293 340) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2021-12-06 19:13:03,542 INFO L854 garLoopResultBuilder]: At program point L305(line 305) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2021-12-06 19:13:03,542 INFO L861 garLoopResultBuilder]: At program point L999(lines 980 1002) the Hoare annotation is: true [2021-12-06 19:13:03,542 INFO L854 garLoopResultBuilder]: At program point L966(lines 962 968) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 19:13:03,542 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 19:13:03,542 INFO L854 garLoopResultBuilder]: At program point L826(lines 821 828) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 19:13:03,542 INFO L858 garLoopResultBuilder]: For program point L331(lines 331 335) no Hoare annotation was computed. [2021-12-06 19:13:03,542 INFO L854 garLoopResultBuilder]: At program point L331-2(lines 323 336) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2021-12-06 19:13:03,542 INFO L858 garLoopResultBuilder]: For program point L294(lines 293 340) no Hoare annotation was computed. [2021-12-06 19:13:03,543 INFO L858 garLoopResultBuilder]: For program point L323(lines 323 336) no Hoare annotation was computed. [2021-12-06 19:13:03,543 INFO L854 garLoopResultBuilder]: At program point L315(line 315) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2021-12-06 19:13:03,543 INFO L861 garLoopResultBuilder]: At program point L344(lines 283 348) the Hoare annotation is: true [2021-12-06 19:13:03,543 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 309) no Hoare annotation was computed. [2021-12-06 19:13:03,543 INFO L858 garLoopResultBuilder]: For program point L303-1(lines 303 309) no Hoare annotation was computed. [2021-12-06 19:13:03,543 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 299) no Hoare annotation was computed. [2021-12-06 19:13:03,543 INFO L854 garLoopResultBuilder]: At program point L902(lines 897 905) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 19:13:03,543 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 110 134) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))))) [2021-12-06 19:13:03,543 INFO L854 garLoopResultBuilder]: At program point L124(line 124) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) (not (<= ~waterLevel~0 2))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2021-12-06 19:13:03,543 INFO L854 garLoopResultBuilder]: At program point L248(lines 233 251) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (let ((.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~2#1| 0)) .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0)) (and .cse1 (= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2021-12-06 19:13:03,543 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 126) no Hoare annotation was computed. [2021-12-06 19:13:03,543 INFO L858 garLoopResultBuilder]: For program point L114(lines 114 131) no Hoare annotation was computed. [2021-12-06 19:13:03,543 INFO L858 garLoopResultBuilder]: For program point L434(lines 434 440) no Hoare annotation was computed. [2021-12-06 19:13:03,543 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 246) no Hoare annotation was computed. [2021-12-06 19:13:03,543 INFO L858 garLoopResultBuilder]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2021-12-06 19:13:03,544 INFO L854 garLoopResultBuilder]: At program point L166(lines 161 168) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 1)))) (and (or (<= 1 ~pumpRunning~0) .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse1 .cse2))) [2021-12-06 19:13:03,544 INFO L854 garLoopResultBuilder]: At program point L129(line 129) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2021-12-06 19:13:03,544 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 110 134) no Hoare annotation was computed. [2021-12-06 19:13:03,544 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 110 134) no Hoare annotation was computed. [2021-12-06 19:13:03,544 INFO L854 garLoopResultBuilder]: At program point L439(lines 430 443) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (let ((.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (and .cse1 (= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2021-12-06 19:13:03,544 INFO L858 garLoopResultBuilder]: For program point L369-1(lines 365 376) no Hoare annotation was computed. [2021-12-06 19:13:03,544 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 365 376) no Hoare annotation was computed. [2021-12-06 19:13:03,544 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 365 376) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= ~pumpRunning~0 0)) .cse0 .cse2 (not (<= |old(~waterLevel~0)| 2))))) [2021-12-06 19:13:03,544 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 188 196) no Hoare annotation was computed. [2021-12-06 19:13:03,544 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 188 196) the Hoare annotation is: true [2021-12-06 19:13:03,544 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 188 196) no Hoare annotation was computed. [2021-12-06 19:13:03,547 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:13:03,548 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 19:13:03,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 07:13:03 BoogieIcfgContainer [2021-12-06 19:13:03,578 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 19:13:03,578 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 19:13:03,578 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 19:13:03,578 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 19:13:03,579 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:12:54" (3/4) ... [2021-12-06 19:13:03,581 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 19:13:03,586 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-06 19:13:03,586 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-06 19:13:03,586 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-06 19:13:03,586 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-06 19:13:03,587 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-06 19:13:03,587 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-06 19:13:03,587 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-12-06 19:13:03,593 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2021-12-06 19:13:03,594 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-06 19:13:03,594 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 19:13:03,595 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 19:13:03,595 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 19:13:03,596 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 19:13:03,596 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 19:13:03,614 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2021-12-06 19:13:03,615 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2021-12-06 19:13:03,615 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((pumpRunning == 0 && tmp < 2) && \result < 2) && \old(waterLevel) == waterLevel)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((1 <= pumpRunning && tmp == 2) && 2 == \result) && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || (((pumpRunning == 0 && tmp == 2) && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && !(\old(pumpRunning) == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && !(\old(pumpRunning) == 0)) && 1 == systemActive) && tmp <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && 1 == systemActive) && tmp <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && tmp < 2) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && tmp < 2) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && !(\old(pumpRunning) == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2021-12-06 19:13:03,615 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == 0 && !(tmp == 0)) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) [2021-12-06 19:13:03,616 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2021-12-06 19:13:03,616 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\result <= waterLevel && pumpRunning == 0) && !(tmp == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((((((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == \old(pumpRunning) && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) || (((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) || (((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && \result < 2) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || (((pumpRunning == 0 && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) [2021-12-06 19:13:03,616 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2021-12-06 19:13:03,616 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || (pumpRunning == 0 && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2021-12-06 19:13:03,616 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2021-12-06 19:13:03,617 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((!(tmp == 0) && pumpRunning == 0) && \result == 0) && tmp___0 == 0)) || (pumpRunning == 0 && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2021-12-06 19:13:03,617 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || (((pumpRunning == 0 && !(tmp == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || (((pumpRunning == 0 && !(tmp == 0)) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(waterLevel) == 1) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2021-12-06 19:13:03,617 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(2 == waterLevel)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 1)) [2021-12-06 19:13:03,638 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 19:13:03,639 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 19:13:03,639 INFO L158 Benchmark]: Toolchain (without parser) took 10268.05ms. Allocated memory was 119.5MB in the beginning and 220.2MB in the end (delta: 100.7MB). Free memory was 72.4MB in the beginning and 142.3MB in the end (delta: -69.9MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2021-12-06 19:13:03,639 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 119.5MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:13:03,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.52ms. Allocated memory is still 119.5MB. Free memory was 72.2MB in the beginning and 85.5MB in the end (delta: -13.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 19:13:03,640 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.59ms. Allocated memory is still 119.5MB. Free memory was 85.5MB in the beginning and 83.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 19:13:03,640 INFO L158 Benchmark]: Boogie Preprocessor took 29.06ms. Allocated memory is still 119.5MB. Free memory was 83.0MB in the beginning and 81.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:13:03,640 INFO L158 Benchmark]: RCFGBuilder took 380.18ms. Allocated memory is still 119.5MB. Free memory was 81.3MB in the beginning and 64.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-06 19:13:03,641 INFO L158 Benchmark]: TraceAbstraction took 9438.92ms. Allocated memory was 119.5MB in the beginning and 220.2MB in the end (delta: 100.7MB). Free memory was 64.1MB in the beginning and 148.6MB in the end (delta: -84.5MB). Peak memory consumption was 102.6MB. Max. memory is 16.1GB. [2021-12-06 19:13:03,641 INFO L158 Benchmark]: Witness Printer took 60.56ms. Allocated memory is still 220.2MB. Free memory was 148.6MB in the beginning and 142.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 19:13:03,643 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 119.5MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.52ms. Allocated memory is still 119.5MB. Free memory was 72.2MB in the beginning and 85.5MB in the end (delta: -13.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.59ms. Allocated memory is still 119.5MB. Free memory was 85.5MB in the beginning and 83.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.06ms. Allocated memory is still 119.5MB. Free memory was 83.0MB in the beginning and 81.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 380.18ms. Allocated memory is still 119.5MB. Free memory was 81.3MB in the beginning and 64.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9438.92ms. Allocated memory was 119.5MB in the beginning and 220.2MB in the end (delta: 100.7MB). Free memory was 64.1MB in the beginning and 148.6MB in the end (delta: -84.5MB). Peak memory consumption was 102.6MB. Max. memory is 16.1GB. * Witness Printer took 60.56ms. Allocated memory is still 220.2MB. Free memory was 148.6MB in the beginning and 142.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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 8 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.4s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2622 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2583 mSDsluCounter, 5290 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3908 mSDsCounter, 787 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3162 IncrementalHoareTripleChecker+Invalid, 3949 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 787 mSolverCounterUnsat, 1382 mSDtfsCounter, 3162 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 823 GetRequests, 658 SyntacticMatches, 5 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1097 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=592occurred in iteration=10, InterpolantAutomatonStates: 140, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 247 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 1363 PreInvPairs, 1644 NumberOfFragments, 2845 HoareAnnotationTreeSize, 1363 FomulaSimplifications, 2162 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 43 FomulaSimplificationsInter, 24291 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 957 NumberOfCodeBlocks, 957 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1212 ConstructedInterpolants, 0 QuantifiedInterpolants, 2380 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1156 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 635/705 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: 969]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == 0 && !(tmp == 0)) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(2 == waterLevel)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 1)) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) || (((pumpRunning == 0 && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || (((pumpRunning == 0 && !(tmp == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || (((pumpRunning == 0 && !(tmp == 0)) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(waterLevel) == 1) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: (((((((((((\result <= waterLevel && pumpRunning == 0) && !(tmp == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((((((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == \old(pumpRunning) && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) || (((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) || (((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && \result < 2) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || (((pumpRunning == 0 && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((!(tmp == 0) && pumpRunning == 0) && \result == 0) && tmp___0 == 0)) || (pumpRunning == 0 && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((pumpRunning == 0 && tmp < 2) && \result < 2) && \old(waterLevel) == waterLevel)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((1 <= pumpRunning && tmp == 2) && 2 == \result) && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || (((pumpRunning == 0 && tmp == 2) && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && !(\old(pumpRunning) == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && !(\old(pumpRunning) == 0)) && 1 == systemActive) && tmp <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && 1 == systemActive) && tmp <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && tmp < 2) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && tmp < 2) && \result < 2) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && !(\old(pumpRunning) == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((((\result <= waterLevel && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || (pumpRunning == 0 && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) RESULT: Ultimate proved your program to be correct! [2021-12-06 19:13:03,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3a19c75-db7a-481f-bc07-d1f65a50b91c/bin/uautomizer-DrprNOufMa/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