./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y --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 aad1ec08d8a193b38b6e11f9698a2d5cafe1e5bac6d0d3a9987fa93ed6006219 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:33:32,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:33:32,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:33:32,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:33:32,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:33:32,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:33:32,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:33:32,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:33:32,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:33:32,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:33:32,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:33:32,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:33:32,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:33:32,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:33:32,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:33:32,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:33:32,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:33:32,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:33:32,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:33:32,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:33:32,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:33:32,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:33:32,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:33:32,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:33:32,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:33:32,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:33:32,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:33:32,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:33:32,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:33:32,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:33:32,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:33:32,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:33:32,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:33:32,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:33:32,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:33:32,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:33:32,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:33:32,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:33:32,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:33:32,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:33:32,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:33:32,852 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-13 17:33:32,910 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:33:32,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:33:32,911 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:33:32,912 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:33:32,921 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:33:32,921 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:33:32,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:33:32,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:33:32,923 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:33:32,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:33:32,925 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 17:33:32,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:33:32,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 17:33:32,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:33:32,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 17:33:32,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:33:32,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 17:33:32,927 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 17:33:32,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:33:32,927 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:33:32,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 17:33:32,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:33:32,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:33:32,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:33:32,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:33:32,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:33:32,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:33:32,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 17:33:32,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:33:32,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 17:33:32,931 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 17:33:32,931 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 17:33:32,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 17:33:32,932 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:33:32,932 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_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aad1ec08d8a193b38b6e11f9698a2d5cafe1e5bac6d0d3a9987fa93ed6006219 [2021-11-13 17:33:33,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:33:33,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:33:33,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:33:33,297 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:33:33,298 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:33:33,300 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c [2021-11-13 17:33:33,376 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/data/9dd99ed1d/9afe6489d48a4ab39230eb7c393ae2eb/FLAG44a8c9bc2 [2021-11-13 17:33:34,044 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:33:34,045 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c [2021-11-13 17:33:34,066 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/data/9dd99ed1d/9afe6489d48a4ab39230eb7c393ae2eb/FLAG44a8c9bc2 [2021-11-13 17:33:34,301 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/data/9dd99ed1d/9afe6489d48a4ab39230eb7c393ae2eb [2021-11-13 17:33:34,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:33:34,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:33:34,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:33:34,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:33:34,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:33:34,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:33:34" (1/1) ... [2021-11-13 17:33:34,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6654de61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:33:34, skipping insertion in model container [2021-11-13 17:33:34,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:33:34" (1/1) ... [2021-11-13 17:33:34,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:33:34,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:33:34,735 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c[7021,7034] [2021-11-13 17:33:34,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:33:34,849 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:33:34,921 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c[7021,7034] [2021-11-13 17:33:34,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:33:35,025 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:33:35,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:33:35 WrapperNode [2021-11-13 17:33:35,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:33:35,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:33:35,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:33:35,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:33:35,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:33:35" (1/1) ... [2021-11-13 17:33:35,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:33:35" (1/1) ... [2021-11-13 17:33:35,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:33:35,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:33:35,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:33:35,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:33:35,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:33:35" (1/1) ... [2021-11-13 17:33:35,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:33:35" (1/1) ... [2021-11-13 17:33:35,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:33:35" (1/1) ... [2021-11-13 17:33:35,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:33:35" (1/1) ... [2021-11-13 17:33:35,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:33:35" (1/1) ... [2021-11-13 17:33:35,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:33:35" (1/1) ... [2021-11-13 17:33:35,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:33:35" (1/1) ... [2021-11-13 17:33:35,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:33:35,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:33:35,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:33:35,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:33:35,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:33:35" (1/1) ... [2021-11-13 17:33:35,162 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:33:35,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:33:35,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:33:35,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:33:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:33:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-13 17:33:35,259 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-13 17:33:35,260 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-13 17:33:35,260 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-13 17:33:35,260 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-13 17:33:35,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-13 17:33:35,262 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-13 17:33:35,263 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-13 17:33:35,263 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-11-13 17:33:35,263 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-11-13 17:33:35,263 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-13 17:33:35,264 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-13 17:33:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 17:33:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-13 17:33:35,264 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-13 17:33:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:33:35,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:33:36,248 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:33:36,248 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 17:33:36,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:33:36 BoogieIcfgContainer [2021-11-13 17:33:36,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:33:36,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:33:36,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:33:36,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:33:36,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:33:34" (1/3) ... [2021-11-13 17:33:36,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e59c8cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:33:36, skipping insertion in model container [2021-11-13 17:33:36,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:33:35" (2/3) ... [2021-11-13 17:33:36,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e59c8cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:33:36, skipping insertion in model container [2021-11-13 17:33:36,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:33:36" (3/3) ... [2021-11-13 17:33:36,265 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37.cil.c [2021-11-13 17:33:36,276 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:33:36,277 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 17:33:36,359 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 17:33:36,373 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 [2021-11-13 17:33:36,373 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 17:33:36,424 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 66 states have (on average 1.393939393939394) internal successors, (92), 74 states have internal predecessors, (92), 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) [2021-11-13 17:33:36,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 17:33:36,438 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:33:36,439 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:33:36,440 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:33:36,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:33:36,448 INFO L85 PathProgramCache]: Analyzing trace with hash -985804635, now seen corresponding path program 1 times [2021-11-13 17:33:36,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:33:36,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109115920] [2021-11-13 17:33:36,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:33:36,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:33:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:36,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-13 17:33:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:36,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:33:36,901 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:33:36,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109115920] [2021-11-13 17:33:36,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109115920] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:33:36,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:33:36,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 17:33:36,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275118306] [2021-11-13 17:33:36,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:33:36,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 17:33:36,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:33:36,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 17:33:36,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 17:33:36,968 INFO L87 Difference]: Start difference. First operand has 87 states, 66 states have (on average 1.393939393939394) internal successors, (92), 74 states have internal predecessors, (92), 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 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 17:33:37,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:33:37,041 INFO L93 Difference]: Finished difference Result 165 states and 226 transitions. [2021-11-13 17:33:37,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:33:37,044 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-11-13 17:33:37,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:33:37,069 INFO L225 Difference]: With dead ends: 165 [2021-11-13 17:33:37,069 INFO L226 Difference]: Without dead ends: 78 [2021-11-13 17:33:37,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 17:33:37,091 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.29ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-13 17:33:37,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 6.29ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-13 17:33:37,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-11-13 17:33:37,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-11-13 17:33:37,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 66 states have internal predecessors, (78), 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) [2021-11-13 17:33:37,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 101 transitions. [2021-11-13 17:33:37,143 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 101 transitions. Word has length 25 [2021-11-13 17:33:37,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:33:37,144 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 101 transitions. [2021-11-13 17:33:37,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 17:33:37,145 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 101 transitions. [2021-11-13 17:33:37,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 17:33:37,149 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:33:37,149 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:33:37,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 17:33:37,150 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:33:37,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:33:37,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1726186972, now seen corresponding path program 1 times [2021-11-13 17:33:37,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:33:37,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061756368] [2021-11-13 17:33:37,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:33:37,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:33:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:37,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-13 17:33:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:37,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:33:37,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:33:37,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061756368] [2021-11-13 17:33:37,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061756368] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:33:37,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:33:37,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:33:37,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118025043] [2021-11-13 17:33:37,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:33:37,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:33:37,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:33:37,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:33:37,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:33:37,312 INFO L87 Difference]: Start difference. First operand 78 states and 101 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 17:33:37,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:33:37,360 INFO L93 Difference]: Finished difference Result 121 states and 157 transitions. [2021-11-13 17:33:37,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:33:37,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-11-13 17:33:37,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:33:37,366 INFO L225 Difference]: With dead ends: 121 [2021-11-13 17:33:37,367 INFO L226 Difference]: Without dead ends: 69 [2021-11-13 17:33:37,375 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:33:37,379 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 12 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.98ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.76ms IncrementalHoareTripleChecker+Time [2021-11-13 17:33:37,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 160 Invalid, 1 Unknown, 0 Unchecked, 9.98ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 3.76ms Time] [2021-11-13 17:33:37,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-11-13 17:33:37,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-11-13 17:33:37,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 60 states have internal predecessors, (71), 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) [2021-11-13 17:33:37,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 89 transitions. [2021-11-13 17:33:37,406 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 89 transitions. Word has length 26 [2021-11-13 17:33:37,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:33:37,408 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 89 transitions. [2021-11-13 17:33:37,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 17:33:37,414 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2021-11-13 17:33:37,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 17:33:37,416 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:33:37,416 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:33:37,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 17:33:37,417 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:33:37,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:33:37,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1161832603, now seen corresponding path program 1 times [2021-11-13 17:33:37,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:33:37,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794916978] [2021-11-13 17:33:37,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:33:37,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:33:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:37,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:33:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:37,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:33:37,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:33:37,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794916978] [2021-11-13 17:33:37,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794916978] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:33:37,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:33:37,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:33:37,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947975456] [2021-11-13 17:33:37,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:33:37,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:33:37,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:33:37,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:33:37,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:33:37,540 INFO L87 Difference]: Start difference. First operand 69 states and 89 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 17:33:37,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:33:37,570 INFO L93 Difference]: Finished difference Result 130 states and 171 transitions. [2021-11-13 17:33:37,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:33:37,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2021-11-13 17:33:37,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:33:37,572 INFO L225 Difference]: With dead ends: 130 [2021-11-13 17:33:37,573 INFO L226 Difference]: Without dead ends: 69 [2021-11-13 17:33:37,573 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:33:37,575 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 70 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.53ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.07ms IncrementalHoareTripleChecker+Time [2021-11-13 17:33:37,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 87 Invalid, 1 Unknown, 0 Unchecked, 1.53ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 14.07ms Time] [2021-11-13 17:33:37,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-11-13 17:33:37,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-11-13 17:33:37,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 53 states have (on average 1.320754716981132) internal successors, (70), 60 states have internal predecessors, (70), 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) [2021-11-13 17:33:37,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 88 transitions. [2021-11-13 17:33:37,591 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 88 transitions. Word has length 30 [2021-11-13 17:33:37,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:33:37,592 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 88 transitions. [2021-11-13 17:33:37,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 17:33:37,592 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2021-11-13 17:33:37,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 17:33:37,594 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:33:37,595 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:33:37,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 17:33:37,595 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:33:37,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:33:37,596 INFO L85 PathProgramCache]: Analyzing trace with hash 202365907, now seen corresponding path program 1 times [2021-11-13 17:33:37,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:33:37,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903039817] [2021-11-13 17:33:37,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:33:37,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:33:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:37,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:33:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:37,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:33:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:37,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-13 17:33:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:37,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:33:37,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:33:37,809 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903039817] [2021-11-13 17:33:37,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903039817] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:33:37,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:33:37,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 17:33:37,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115136632] [2021-11-13 17:33:37,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:33:37,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 17:33:37,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:33:37,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 17:33:37,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 17:33:37,812 INFO L87 Difference]: Start difference. First operand 69 states and 88 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-13 17:33:38,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:33:38,206 INFO L93 Difference]: Finished difference Result 204 states and 262 transitions. [2021-11-13 17:33:38,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 17:33:38,207 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 40 [2021-11-13 17:33:38,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:33:38,209 INFO L225 Difference]: With dead ends: 204 [2021-11-13 17:33:38,210 INFO L226 Difference]: Without dead ends: 143 [2021-11-13 17:33:38,211 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-13 17:33:38,212 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 161 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 229.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.54ms SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 319.12ms IncrementalHoareTripleChecker+Time [2021-11-13 17:33:38,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 298 Invalid, 140 Unknown, 0 Unchecked, 7.54ms Time], IncrementalHoareTripleChecker [45 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 319.12ms Time] [2021-11-13 17:33:38,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-11-13 17:33:38,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 137. [2021-11-13 17:33:38,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 105 states have (on average 1.2857142857142858) internal successors, (135), 112 states have internal predecessors, (135), 15 states have call successors, (15), 13 states have call predecessors, (15), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2021-11-13 17:33:38,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 170 transitions. [2021-11-13 17:33:38,239 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 170 transitions. Word has length 40 [2021-11-13 17:33:38,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:33:38,239 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 170 transitions. [2021-11-13 17:33:38,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2021-11-13 17:33:38,240 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 170 transitions. [2021-11-13 17:33:38,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 17:33:38,242 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:33:38,242 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:33:38,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 17:33:38,242 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:33:38,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:33:38,243 INFO L85 PathProgramCache]: Analyzing trace with hash 886374373, now seen corresponding path program 1 times [2021-11-13 17:33:38,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:33:38,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147011135] [2021-11-13 17:33:38,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:33:38,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:33:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:38,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:33:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:38,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 17:33:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:38,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:33:38,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:33:38,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147011135] [2021-11-13 17:33:38,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147011135] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:33:38,375 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:33:38,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 17:33:38,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578997102] [2021-11-13 17:33:38,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:33:38,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 17:33:38,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:33:38,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 17:33:38,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:33:38,377 INFO L87 Difference]: Start difference. First operand 137 states and 170 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 17:33:38,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:33:38,819 INFO L93 Difference]: Finished difference Result 383 states and 498 transitions. [2021-11-13 17:33:38,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-13 17:33:38,820 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2021-11-13 17:33:38,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:33:38,824 INFO L225 Difference]: With dead ends: 383 [2021-11-13 17:33:38,825 INFO L226 Difference]: Without dead ends: 254 [2021-11-13 17:33:38,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-11-13 17:33:38,828 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 154 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 255.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.17ms SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 301.31ms IncrementalHoareTripleChecker+Time [2021-11-13 17:33:38,829 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 405 Invalid, 180 Unknown, 0 Unchecked, 8.17ms Time], IncrementalHoareTripleChecker [41 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 301.31ms Time] [2021-11-13 17:33:38,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-11-13 17:33:38,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 221. [2021-11-13 17:33:38,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 170 states have (on average 1.2882352941176471) internal successors, (219), 179 states have internal predecessors, (219), 25 states have call successors, (25), 23 states have call predecessors, (25), 25 states have return successors, (35), 25 states have call predecessors, (35), 25 states have call successors, (35) [2021-11-13 17:33:38,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 279 transitions. [2021-11-13 17:33:38,865 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 279 transitions. Word has length 44 [2021-11-13 17:33:38,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:33:38,866 INFO L470 AbstractCegarLoop]: Abstraction has 221 states and 279 transitions. [2021-11-13 17:33:38,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 17:33:38,866 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 279 transitions. [2021-11-13 17:33:38,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 17:33:38,873 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:33:38,873 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:33:38,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 17:33:38,873 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:33:38,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:33:38,874 INFO L85 PathProgramCache]: Analyzing trace with hash 463672547, now seen corresponding path program 1 times [2021-11-13 17:33:38,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:33:38,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828986802] [2021-11-13 17:33:38,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:33:38,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:33:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:38,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:33:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:39,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 17:33:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:39,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:33:39,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:33:39,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828986802] [2021-11-13 17:33:39,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828986802] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:33:39,032 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:33:39,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 17:33:39,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546774403] [2021-11-13 17:33:39,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:33:39,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 17:33:39,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:33:39,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 17:33:39,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:33:39,036 INFO L87 Difference]: Start difference. First operand 221 states and 279 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 17:33:39,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:33:39,344 INFO L93 Difference]: Finished difference Result 448 states and 573 transitions. [2021-11-13 17:33:39,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 17:33:39,345 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2021-11-13 17:33:39,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:33:39,348 INFO L225 Difference]: With dead ends: 448 [2021-11-13 17:33:39,348 INFO L226 Difference]: Without dead ends: 235 [2021-11-13 17:33:39,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-13 17:33:39,351 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 60 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 198.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.01ms SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 233.70ms IncrementalHoareTripleChecker+Time [2021-11-13 17:33:39,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 368 Invalid, 118 Unknown, 0 Unchecked, 4.01ms Time], IncrementalHoareTripleChecker [19 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 233.70ms Time] [2021-11-13 17:33:39,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2021-11-13 17:33:39,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 227. [2021-11-13 17:33:39,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 176 states have (on average 1.2784090909090908) internal successors, (225), 185 states have internal predecessors, (225), 25 states have call successors, (25), 23 states have call predecessors, (25), 25 states have return successors, (35), 25 states have call predecessors, (35), 25 states have call successors, (35) [2021-11-13 17:33:39,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 285 transitions. [2021-11-13 17:33:39,385 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 285 transitions. Word has length 44 [2021-11-13 17:33:39,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:33:39,385 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 285 transitions. [2021-11-13 17:33:39,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 17:33:39,386 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 285 transitions. [2021-11-13 17:33:39,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 17:33:39,388 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:33:39,388 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:33:39,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 17:33:39,389 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:33:39,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:33:39,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1225271195, now seen corresponding path program 1 times [2021-11-13 17:33:39,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:33:39,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431356685] [2021-11-13 17:33:39,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:33:39,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:33:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:39,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:33:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:39,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 17:33:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:39,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:33:39,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:33:39,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431356685] [2021-11-13 17:33:39,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431356685] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:33:39,477 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:33:39,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 17:33:39,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497752995] [2021-11-13 17:33:39,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:33:39,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 17:33:39,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:33:39,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 17:33:39,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:33:39,479 INFO L87 Difference]: Start difference. First operand 227 states and 285 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 17:33:39,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:33:39,787 INFO L93 Difference]: Finished difference Result 413 states and 524 transitions. [2021-11-13 17:33:39,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 17:33:39,788 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2021-11-13 17:33:39,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:33:39,794 INFO L225 Difference]: With dead ends: 413 [2021-11-13 17:33:39,794 INFO L226 Difference]: Without dead ends: 194 [2021-11-13 17:33:39,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-13 17:33:39,799 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 137 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 195.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.23ms SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 239.65ms IncrementalHoareTripleChecker+Time [2021-11-13 17:33:39,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 235 Invalid, 110 Unknown, 0 Unchecked, 5.23ms Time], IncrementalHoareTripleChecker [34 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 239.65ms Time] [2021-11-13 17:33:39,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-11-13 17:33:39,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 189. [2021-11-13 17:33:39,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 146 states have (on average 1.2534246575342465) internal successors, (183), 154 states have internal predecessors, (183), 21 states have call successors, (21), 19 states have call predecessors, (21), 21 states have return successors, (26), 21 states have call predecessors, (26), 21 states have call successors, (26) [2021-11-13 17:33:39,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 230 transitions. [2021-11-13 17:33:39,855 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 230 transitions. Word has length 44 [2021-11-13 17:33:39,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:33:39,855 INFO L470 AbstractCegarLoop]: Abstraction has 189 states and 230 transitions. [2021-11-13 17:33:39,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 17:33:39,856 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 230 transitions. [2021-11-13 17:33:39,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-13 17:33:39,858 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:33:39,859 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:33:39,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-13 17:33:39,859 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:33:39,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:33:39,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1754769083, now seen corresponding path program 1 times [2021-11-13 17:33:39,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:33:39,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823007487] [2021-11-13 17:33:39,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:33:39,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:33:39,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:39,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-13 17:33:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:39,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 17:33:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:40,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 17:33:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:40,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:33:40,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:33:40,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823007487] [2021-11-13 17:33:40,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823007487] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:33:40,026 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:33:40,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 17:33:40,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971667837] [2021-11-13 17:33:40,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:33:40,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 17:33:40,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:33:40,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 17:33:40,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:33:40,030 INFO L87 Difference]: Start difference. First operand 189 states and 230 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-13 17:33:40,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:33:40,478 INFO L93 Difference]: Finished difference Result 551 states and 679 transitions. [2021-11-13 17:33:40,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 17:33:40,479 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2021-11-13 17:33:40,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:33:40,483 INFO L225 Difference]: With dead ends: 551 [2021-11-13 17:33:40,484 INFO L226 Difference]: Without dead ends: 370 [2021-11-13 17:33:40,485 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-11-13 17:33:40,486 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 137 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 253.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.78ms SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 314.33ms IncrementalHoareTripleChecker+Time [2021-11-13 17:33:40,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 357 Invalid, 215 Unknown, 0 Unchecked, 8.78ms Time], IncrementalHoareTripleChecker [47 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 314.33ms Time] [2021-11-13 17:33:40,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-11-13 17:33:40,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 353. [2021-11-13 17:33:40,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 268 states have (on average 1.208955223880597) internal successors, (324), 283 states have internal predecessors, (324), 42 states have call successors, (42), 38 states have call predecessors, (42), 42 states have return successors, (55), 42 states have call predecessors, (55), 42 states have call successors, (55) [2021-11-13 17:33:40,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 421 transitions. [2021-11-13 17:33:40,521 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 421 transitions. Word has length 46 [2021-11-13 17:33:40,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:33:40,521 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 421 transitions. [2021-11-13 17:33:40,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-13 17:33:40,522 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 421 transitions. [2021-11-13 17:33:40,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 17:33:40,525 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:33:40,525 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:33:40,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-13 17:33:40,526 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:33:40,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:33:40,527 INFO L85 PathProgramCache]: Analyzing trace with hash 741728471, now seen corresponding path program 1 times [2021-11-13 17:33:40,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:33:40,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205066311] [2021-11-13 17:33:40,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:33:40,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:33:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:40,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 17:33:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:40,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-13 17:33:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:40,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 17:33:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:40,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-11-13 17:33:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:40,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:33:40,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:33:40,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205066311] [2021-11-13 17:33:40,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205066311] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:33:40,678 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:33:40,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 17:33:40,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86047736] [2021-11-13 17:33:40,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:33:40,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 17:33:40,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:33:40,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 17:33:40,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-13 17:33:40,681 INFO L87 Difference]: Start difference. First operand 353 states and 421 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-13 17:33:41,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:33:41,299 INFO L93 Difference]: Finished difference Result 712 states and 850 transitions. [2021-11-13 17:33:41,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-13 17:33:41,300 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 50 [2021-11-13 17:33:41,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:33:41,303 INFO L225 Difference]: With dead ends: 712 [2021-11-13 17:33:41,304 INFO L226 Difference]: Without dead ends: 367 [2021-11-13 17:33:41,305 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2021-11-13 17:33:41,306 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 169 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 387.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.33ms SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 470.04ms IncrementalHoareTripleChecker+Time [2021-11-13 17:33:41,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 218 Invalid, 351 Unknown, 0 Unchecked, 6.33ms Time], IncrementalHoareTripleChecker [55 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 470.04ms Time] [2021-11-13 17:33:41,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-11-13 17:33:41,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 350. [2021-11-13 17:33:41,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 265 states have (on average 1.1886792452830188) internal successors, (315), 280 states have internal predecessors, (315), 42 states have call successors, (42), 38 states have call predecessors, (42), 42 states have return successors, (55), 42 states have call predecessors, (55), 42 states have call successors, (55) [2021-11-13 17:33:41,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 412 transitions. [2021-11-13 17:33:41,344 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 412 transitions. Word has length 50 [2021-11-13 17:33:41,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:33:41,344 INFO L470 AbstractCegarLoop]: Abstraction has 350 states and 412 transitions. [2021-11-13 17:33:41,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-13 17:33:41,345 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 412 transitions. [2021-11-13 17:33:41,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 17:33:41,351 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:33:41,351 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:33:41,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-13 17:33:41,352 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:33:41,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:33:41,352 INFO L85 PathProgramCache]: Analyzing trace with hash 714856733, now seen corresponding path program 1 times [2021-11-13 17:33:41,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:33:41,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415633303] [2021-11-13 17:33:41,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:33:41,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:33:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:41,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-13 17:33:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:41,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 17:33:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:41,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-13 17:33:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:41,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-13 17:33:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:41,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:33:41,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:33:41,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415633303] [2021-11-13 17:33:41,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415633303] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:33:41,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:33:41,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 17:33:41,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652375289] [2021-11-13 17:33:41,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:33:41,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 17:33:41,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:33:41,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 17:33:41,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 17:33:41,495 INFO L87 Difference]: Start difference. First operand 350 states and 412 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-13 17:33:42,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:33:42,392 INFO L93 Difference]: Finished difference Result 649 states and 782 transitions. [2021-11-13 17:33:42,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 17:33:42,393 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 52 [2021-11-13 17:33:42,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:33:42,398 INFO L225 Difference]: With dead ends: 649 [2021-11-13 17:33:42,398 INFO L226 Difference]: Without dead ends: 647 [2021-11-13 17:33:42,399 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-11-13 17:33:42,400 INFO L933 BasicCegarLoop]: 78 mSDtfsCounter, 372 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 638.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.30ms SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 735.61ms IncrementalHoareTripleChecker+Time [2021-11-13 17:33:42,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [373 Valid, 177 Invalid, 389 Unknown, 0 Unchecked, 7.30ms Time], IncrementalHoareTripleChecker [169 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 735.61ms Time] [2021-11-13 17:33:42,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2021-11-13 17:33:42,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 443. [2021-11-13 17:33:42,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 334 states have (on average 1.1946107784431137) internal successors, (399), 356 states have internal predecessors, (399), 52 states have call successors, (52), 47 states have call predecessors, (52), 56 states have return successors, (77), 52 states have call predecessors, (77), 52 states have call successors, (77) [2021-11-13 17:33:42,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 528 transitions. [2021-11-13 17:33:42,451 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 528 transitions. Word has length 52 [2021-11-13 17:33:42,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:33:42,451 INFO L470 AbstractCegarLoop]: Abstraction has 443 states and 528 transitions. [2021-11-13 17:33:42,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (5), 5 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-13 17:33:42,452 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 528 transitions. [2021-11-13 17:33:42,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-13 17:33:42,455 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:33:42,455 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:33:42,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-13 17:33:42,456 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:33:42,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:33:42,457 INFO L85 PathProgramCache]: Analyzing trace with hash 2083083400, now seen corresponding path program 1 times [2021-11-13 17:33:42,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:33:42,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422505921] [2021-11-13 17:33:42,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:33:42,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:33:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:42,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-13 17:33:42,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:42,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 17:33:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:42,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-13 17:33:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:42,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:33:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:42,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-13 17:33:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:42,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-13 17:33:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:42,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 17:33:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:42,612 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 17:33:42,613 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:33:42,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422505921] [2021-11-13 17:33:42,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422505921] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:33:42,613 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514230915] [2021-11-13 17:33:42,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:33:42,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:33:42,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:33:42,616 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:33:42,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 17:33:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:42,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 17:33:42,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:33:43,175 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:33:43,175 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:33:43,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514230915] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:33:43,176 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 17:33:43,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9 [2021-11-13 17:33:43,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540372752] [2021-11-13 17:33:43,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:33:43,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:33:43,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:33:43,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:33:43,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-13 17:33:43,181 INFO L87 Difference]: Start difference. First operand 443 states and 528 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-11-13 17:33:43,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:33:43,304 INFO L93 Difference]: Finished difference Result 753 states and 905 transitions. [2021-11-13 17:33:43,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:33:43,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 90 [2021-11-13 17:33:43,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:33:43,308 INFO L225 Difference]: With dead ends: 753 [2021-11-13 17:33:43,308 INFO L226 Difference]: Without dead ends: 408 [2021-11-13 17:33:43,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-13 17:33:43,311 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 37 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.23ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83.71ms IncrementalHoareTripleChecker+Time [2021-11-13 17:33:43,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 190 Invalid, 10 Unknown, 0 Unchecked, 2.23ms Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 83.71ms Time] [2021-11-13 17:33:43,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2021-11-13 17:33:43,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2021-11-13 17:33:43,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 306 states have (on average 1.1862745098039216) internal successors, (363), 327 states have internal predecessors, (363), 49 states have call successors, (49), 44 states have call predecessors, (49), 52 states have return successors, (65), 49 states have call predecessors, (65), 49 states have call successors, (65) [2021-11-13 17:33:43,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 477 transitions. [2021-11-13 17:33:43,379 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 477 transitions. Word has length 90 [2021-11-13 17:33:43,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:33:43,380 INFO L470 AbstractCegarLoop]: Abstraction has 408 states and 477 transitions. [2021-11-13 17:33:43,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-11-13 17:33:43,381 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 477 transitions. [2021-11-13 17:33:43,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-13 17:33:43,392 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 17:33:43,392 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:33:43,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-13 17:33:43,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:33:43,603 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 17:33:43,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:33:43,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1820456588, now seen corresponding path program 1 times [2021-11-13 17:33:43,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:33:43,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071421065] [2021-11-13 17:33:43,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:33:43,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:33:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:43,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-13 17:33:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:43,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 17:33:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:43,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-13 17:33:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:43,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 17:33:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:43,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-13 17:33:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:43,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-13 17:33:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:43,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-13 17:33:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:43,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 17:33:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:43,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-13 17:33:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 17:33:43,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:33:43,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071421065] [2021-11-13 17:33:43,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071421065] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 17:33:43,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213618669] [2021-11-13 17:33:43,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:33:43,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 17:33:43,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:33:43,927 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 17:33:43,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 17:33:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:33:44,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 17:33:44,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:33:44,510 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 17:33:44,510 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 17:33:44,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213618669] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:33:44,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 17:33:44,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [16] total 21 [2021-11-13 17:33:44,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340371975] [2021-11-13 17:33:44,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:33:44,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 17:33:44,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:33:44,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 17:33:44,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-11-13 17:33:44,514 INFO L87 Difference]: Start difference. First operand 408 states and 477 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2021-11-13 17:33:44,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 17:33:44,832 INFO L93 Difference]: Finished difference Result 766 states and 901 transitions. [2021-11-13 17:33:44,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 17:33:44,833 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 95 [2021-11-13 17:33:44,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 17:33:44,834 INFO L225 Difference]: With dead ends: 766 [2021-11-13 17:33:44,834 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 17:33:44,836 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 101 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=482, Unknown=0, NotChecked=0, Total=552 [2021-11-13 17:33:44,837 INFO L933 BasicCegarLoop]: 156 mSDtfsCounter, 46 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 197.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.39ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 229.74ms IncrementalHoareTripleChecker+Time [2021-11-13 17:33:44,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 804 Invalid, 60 Unknown, 0 Unchecked, 4.39ms Time], IncrementalHoareTripleChecker [4 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 229.74ms Time] [2021-11-13 17:33:44,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 17:33:44,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 17:33:44,839 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) [2021-11-13 17:33:44,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 17:33:44,840 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 95 [2021-11-13 17:33:44,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 17:33:44,840 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 17:33:44,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2021-11-13 17:33:44,841 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 17:33:44,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 17:33:44,844 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 17:33:44,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 17:33:45,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-13 17:33:45,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-13 17:33:49,517 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 87 93) no Hoare annotation was computed. [2021-11-13 17:33:49,518 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 87 93) the Hoare annotation is: true [2021-11-13 17:33:49,518 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 373 384) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse6 .cse4) (or .cse1 .cse2 .cse3 .cse6) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2021-11-13 17:33:49,518 INFO L858 garLoopResultBuilder]: For program point L377-1(lines 373 384) no Hoare annotation was computed. [2021-11-13 17:33:49,518 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 373 384) no Hoare annotation was computed. [2021-11-13 17:33:49,519 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 817 846) no Hoare annotation was computed. [2021-11-13 17:33:49,519 INFO L858 garLoopResultBuilder]: For program point L831(lines 831 835) no Hoare annotation was computed. [2021-11-13 17:33:49,519 INFO L861 garLoopResultBuilder]: At program point L831-1(lines 831 835) the Hoare annotation is: true [2021-11-13 17:33:49,519 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 817 846) the Hoare annotation is: true [2021-11-13 17:33:49,519 INFO L858 garLoopResultBuilder]: For program point L828(line 828) no Hoare annotation was computed. [2021-11-13 17:33:49,520 INFO L861 garLoopResultBuilder]: At program point L827-2(lines 827 841) the Hoare annotation is: true [2021-11-13 17:33:49,520 INFO L861 garLoopResultBuilder]: At program point L823(line 823) the Hoare annotation is: true [2021-11-13 17:33:49,520 INFO L858 garLoopResultBuilder]: For program point L823-1(line 823) no Hoare annotation was computed. [2021-11-13 17:33:49,520 INFO L861 garLoopResultBuilder]: At program point L842(lines 817 846) the Hoare annotation is: true [2021-11-13 17:33:49,520 INFO L858 garLoopResultBuilder]: For program point L838(line 838) no Hoare annotation was computed. [2021-11-13 17:33:49,520 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 385 393) the Hoare annotation is: true [2021-11-13 17:33:49,521 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 385 393) no Hoare annotation was computed. [2021-11-13 17:33:49,521 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 385 393) no Hoare annotation was computed. [2021-11-13 17:33:49,521 INFO L858 garLoopResultBuilder]: For program point L353(lines 353 357) no Hoare annotation was computed. [2021-11-13 17:33:49,521 INFO L854 garLoopResultBuilder]: At program point L353-2(lines 349 360) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6) (or .cse4 .cse2 .cse5 .cse3) (or .cse0 .cse1 .cse2 .cse6) (or .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse5 .cse3))) [2021-11-13 17:33:49,522 INFO L854 garLoopResultBuilder]: At program point L159(lines 154 161) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse2 .cse6 .cse4) (or (and .cse5 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~1#1|)) .cse2 .cse6 .cse3))) [2021-11-13 17:33:49,522 INFO L858 garLoopResultBuilder]: For program point L329(lines 329 335) no Hoare annotation was computed. [2021-11-13 17:33:49,522 INFO L854 garLoopResultBuilder]: At program point L135(line 135) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse5) (or .cse2 .cse4 .cse3))) [2021-11-13 17:33:49,522 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 63 86) no Hoare annotation was computed. [2021-11-13 17:33:49,522 INFO L858 garLoopResultBuilder]: For program point L445(line 445) no Hoare annotation was computed. [2021-11-13 17:33:49,523 INFO L854 garLoopResultBuilder]: At program point L140(line 140) the Hoare annotation is: (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4) (or .cse3 .cse5 .cse4) (or .cse3 .cse5 .cse6) (or .cse0 .cse1 .cse3 (and .cse7 .cse2 .cse8) .cse6) (or .cse0 .cse1 (and .cse7 .cse8) .cse3 .cse4))) [2021-11-13 17:33:49,523 INFO L854 garLoopResultBuilder]: At program point L140-1(lines 121 145) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= ~pumpRunning~0 0)) (.cse12 (= ~methAndRunningLastTime~0 0))) (let ((.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse8 (and .cse10 .cse12)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (and .cse10 .cse6)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse11 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6)) (or .cse0 .cse1 .cse7 .cse3 .cse4 .cse8) (or .cse0 .cse1 .cse7 .cse3 .cse9 .cse8) (or (and .cse10 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~1#1|)) .cse3 .cse11 .cse9) (or .cse0 .cse1 .cse2 .cse3 (and .cse5 .cse12 .cse6) .cse9) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10 .cse3 .cse11 .cse4)))) [2021-11-13 17:33:49,523 INFO L854 garLoopResultBuilder]: At program point L169(lines 162 172) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse6) (or .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse5 .cse3) (or .cse2 .cse5 .cse3 (and .cse4 (<= 1 |timeShift_isMethaneAlarm_#res#1|))))) [2021-11-13 17:33:49,523 INFO L858 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2021-11-13 17:33:49,523 INFO L854 garLoopResultBuilder]: At program point L322(line 322) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= ~pumpRunning~0 0)) (.cse12 (= ~methAndRunningLastTime~0 0))) (let ((.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse8 (and .cse10 .cse12)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (and .cse10 .cse6)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse11 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6)) (or .cse0 .cse1 .cse7 .cse3 .cse4 .cse8) (or .cse0 .cse1 .cse7 .cse3 .cse9 .cse8) (or (and .cse10 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~1#1|)) .cse3 .cse11 .cse9) (or .cse0 .cse1 .cse2 .cse3 (and .cse5 .cse12 .cse6) .cse9) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10 .cse3 .cse11 .cse4)))) [2021-11-13 17:33:49,523 INFO L858 garLoopResultBuilder]: For program point L322-1(line 322) no Hoare annotation was computed. [2021-11-13 17:33:49,523 INFO L854 garLoopResultBuilder]: At program point L446(lines 441 448) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse5) (or .cse2 .cse4 .cse3))) [2021-11-13 17:33:49,524 INFO L854 garLoopResultBuilder]: At program point L178(lines 173 181) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse8 (= |timeShift_isPumpRunning_#res#1| 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse5 (and .cse6 .cse7)) (or .cse3 .cse4 .cse0 .cse2) (or .cse0 .cse1 .cse5 (and .cse6 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse8 (<= 1 |timeShift_processEnvironment_~tmp~1#1|))) (let ((.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse3 .cse4 .cse0 (and (<= 1 ~pumpRunning~0) .cse7 .cse9) .cse5 (and .cse6 .cse8 .cse9))))) [2021-11-13 17:33:49,524 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 66 85) no Hoare annotation was computed. [2021-11-13 17:33:49,524 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 137) no Hoare annotation was computed. [2021-11-13 17:33:49,524 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 142) no Hoare annotation was computed. [2021-11-13 17:33:49,524 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 63 86) the Hoare annotation is: (let ((.cse5 (= ~methAndRunningLastTime~0 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse9)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse8 (and (= ~pumpRunning~0 0) .cse5 .cse9)) (.cse6 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse1 .cse6) (or .cse0 .cse1 .cse6 .cse3) (or .cse7 .cse4 .cse0 .cse8 .cse2) (or .cse7 .cse4 .cse0 .cse8 .cse6)))) [2021-11-13 17:33:49,524 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 63 86) no Hoare annotation was computed. [2021-11-13 17:33:49,524 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 445) no Hoare annotation was computed. [2021-11-13 17:33:49,524 INFO L858 garLoopResultBuilder]: For program point L328(lines 328 338) no Hoare annotation was computed. [2021-11-13 17:33:49,525 INFO L854 garLoopResultBuilder]: At program point L167(line 167) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6) (or .cse4 .cse2 .cse5 .cse3) (or .cse0 .cse1 .cse2 .cse6) (or .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse5 .cse3))) [2021-11-13 17:33:49,525 INFO L858 garLoopResultBuilder]: For program point L167-1(line 167) no Hoare annotation was computed. [2021-11-13 17:33:49,525 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 341) no Hoare annotation was computed. [2021-11-13 17:33:49,525 INFO L854 garLoopResultBuilder]: At program point L324-1(lines 316 344) the Hoare annotation is: (let ((.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~4#1| 0)) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse8 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6) .cse7 (and .cse8 .cse4 .cse5 .cse6)) (or .cse2 .cse9 .cse10 (and .cse8 .cse4 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~1#1|))) (or .cse0 .cse8 .cse1 .cse11 .cse2 .cse7) (or .cse2 .cse9 (and .cse8 .cse4 .cse5) .cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 .cse5)) (or .cse0 .cse8 .cse1 .cse11 .cse2 .cse10) (or .cse0 .cse1 .cse2 (and .cse8 .cse4 .cse6) .cse10 (and .cse3 .cse6)))) [2021-11-13 17:33:49,525 INFO L858 garLoopResultBuilder]: For program point L287(lines 287 291) no Hoare annotation was computed. [2021-11-13 17:33:49,525 INFO L854 garLoopResultBuilder]: At program point L287-2(lines 281 292) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse6 .cse5 .cse3 .cse4) (and .cse6 .cse2 .cse3 .cse4))) [2021-11-13 17:33:49,529 INFO L861 garLoopResultBuilder]: At program point L886(lines 878 888) the Hoare annotation is: true [2021-11-13 17:33:49,529 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 277) no Hoare annotation was computed. [2021-11-13 17:33:49,531 INFO L861 garLoopResultBuilder]: At program point L911(lines 892 914) the Hoare annotation is: true [2021-11-13 17:33:49,531 INFO L858 garLoopResultBuilder]: For program point L271-1(lines 271 277) no Hoare annotation was computed. [2021-11-13 17:33:49,531 INFO L861 garLoopResultBuilder]: At program point L300(lines 241 304) the Hoare annotation is: true [2021-11-13 17:33:49,531 INFO L854 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse3 .cse4))) [2021-11-13 17:33:49,532 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-13 17:33:49,532 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-13 17:33:49,532 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-13 17:33:49,532 INFO L854 garLoopResultBuilder]: At program point L313(lines 308 315) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-11-13 17:33:49,533 INFO L854 garLoopResultBuilder]: At program point L875(lines 871 877) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-11-13 17:33:49,533 INFO L854 garLoopResultBuilder]: At program point L297(lines 250 298) the Hoare annotation is: false [2021-11-13 17:33:49,533 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-13 17:33:49,533 INFO L858 garLoopResultBuilder]: For program point L252(lines 251 296) no Hoare annotation was computed. [2021-11-13 17:33:49,533 INFO L858 garLoopResultBuilder]: For program point L281(lines 281 292) no Hoare annotation was computed. [2021-11-13 17:33:49,534 INFO L854 garLoopResultBuilder]: At program point L946(lines 941 949) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-11-13 17:33:49,534 INFO L854 garLoopResultBuilder]: At program point L273(line 273) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse3 .cse4))) [2021-11-13 17:33:49,534 INFO L854 garLoopResultBuilder]: At program point L938(lines 934 940) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-11-13 17:33:49,534 INFO L854 garLoopResultBuilder]: At program point L294(lines 251 296) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse3 .cse4))) [2021-11-13 17:33:49,535 INFO L858 garLoopResultBuilder]: For program point L261(lines 261 267) no Hoare annotation was computed. [2021-11-13 17:33:49,535 INFO L858 garLoopResultBuilder]: For program point L261-1(lines 261 267) no Hoare annotation was computed. [2021-11-13 17:33:49,535 INFO L858 garLoopResultBuilder]: For program point L253(lines 253 257) no Hoare annotation was computed. [2021-11-13 17:33:49,535 INFO L858 garLoopResultBuilder]: For program point L902(lines 902 909) no Hoare annotation was computed. [2021-11-13 17:33:49,535 INFO L858 garLoopResultBuilder]: For program point L902-2(lines 902 909) no Hoare annotation was computed. [2021-11-13 17:33:49,536 INFO L854 garLoopResultBuilder]: At program point L931(lines 927 933) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-11-13 17:33:49,536 INFO L858 garLoopResultBuilder]: For program point L227-2(lines 227 231) no Hoare annotation was computed. [2021-11-13 17:33:49,536 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 95 119) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 .cse0 .cse1) (or .cse2 .cse3 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))))) [2021-11-13 17:33:49,537 INFO L854 garLoopResultBuilder]: At program point L151(lines 146 153) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 .cse0 .cse4 .cse5) (or .cse6 .cse3 .cse0 .cse4 .cse5) (or .cse2 .cse3 .cse0 .cse1 .cse5) (or .cse6 .cse3 .cse0 .cse1))) [2021-11-13 17:33:49,537 INFO L854 garLoopResultBuilder]: At program point L114(line 114) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse0 .cse1))) [2021-11-13 17:33:49,537 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 95 119) no Hoare annotation was computed. [2021-11-13 17:33:49,537 INFO L858 garLoopResultBuilder]: For program point L430(lines 430 436) no Hoare annotation was computed. [2021-11-13 17:33:49,538 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 95 119) no Hoare annotation was computed. [2021-11-13 17:33:49,540 INFO L854 garLoopResultBuilder]: At program point L435(lines 426 439) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 .cse0 .cse1) (or .cse4 .cse2 .cse0 .cse5 .cse1 .cse6) (or .cse2 .cse3 .cse0 .cse7 .cse6) (or .cse4 .cse2 .cse0 .cse5 .cse7 .cse6))) [2021-11-13 17:33:49,541 INFO L854 garLoopResultBuilder]: At program point L109(line 109) the Hoare annotation is: (let ((.cse8 (= 1 ~systemActive~0))) (let ((.cse0 (not (= ~waterLevel~0 1))) (.cse3 (and (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~2#1| 0)) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0) .cse8)) (.cse2 (not .cse8)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 (not (<= 1 |old(~pumpRunning~0)|)) .cse4) (or .cse1 .cse6 .cse2 .cse7 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse7 .cse5) (or .cse1 .cse6 .cse2 .cse4)))) [2021-11-13 17:33:49,541 INFO L854 garLoopResultBuilder]: At program point L233(lines 218 236) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse5 (and (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~2#1| 0)) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 .cse0 .cse4 .cse5 .cse6) (or .cse2 .cse3 .cse0 .cse1 .cse5 .cse6) (or .cse3 .cse0 .cse4 .cse7 .cse6) (or .cse3 .cse0 .cse1 .cse7))) [2021-11-13 17:33:49,541 INFO L858 garLoopResultBuilder]: For program point L103(lines 103 111) no Hoare annotation was computed. [2021-11-13 17:33:49,541 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 116) no Hoare annotation was computed. [2021-11-13 17:33:49,541 INFO L858 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2021-11-13 17:33:49,542 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 361 372) no Hoare annotation was computed. [2021-11-13 17:33:49,542 INFO L858 garLoopResultBuilder]: For program point L365-1(lines 361 372) no Hoare annotation was computed. [2021-11-13 17:33:49,542 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 361 372) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse3) (or .cse1 .cse6 .cse5 .cse3 .cse4) (or .cse0 .cse1 .cse6 .cse3 .cse4))) [2021-11-13 17:33:49,546 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:33:49,549 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 17:33:49,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 05:33:49 BoogieIcfgContainer [2021-11-13 17:33:49,625 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 17:33:49,626 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 17:33:49,626 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 17:33:49,626 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 17:33:49,627 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:33:36" (3/4) ... [2021-11-13 17:33:49,629 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 17:33:49,638 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-13 17:33:49,638 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-13 17:33:49,638 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-13 17:33:49,639 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-13 17:33:49,639 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-13 17:33:49,639 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-11-13 17:33:49,639 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-13 17:33:49,659 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2021-11-13 17:33:49,660 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-13 17:33:49,661 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-13 17:33:49,661 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 17:33:49,662 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 17:33:49,663 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 17:33:49,663 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 17:33:49,698 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) [2021-11-13 17:33:49,699 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && methAndRunningLastTime == 0))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && methAndRunningLastTime == 0))) && (((((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) [2021-11-13 17:33:49,702 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= \result) && 1 <= tmp))) && (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0)) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && tmp == 0))) && (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) [2021-11-13 17:33:49,702 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= \result)) [2021-11-13 17:33:49,702 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && 1 <= \result) && \result == 0) && 1 <= tmp))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((1 <= pumpRunning && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) [2021-11-13 17:33:49,703 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((pumpRunning == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) [2021-11-13 17:33:49,703 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(\result == 0)) || !(methaneLevelCritical == 0)) || !(methAndRunningLastTime == 0))) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(\result == 0)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) [2021-11-13 17:33:49,704 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) [2021-11-13 17:33:49,704 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((!(tmp == 0) && !(\result == 0)) && \result == 0) && tmp___0 == 0)) || !(methAndRunningLastTime == 0))) && (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((!(tmp == 0) && !(\result == 0)) && \result == 0) && tmp___0 == 0)) || !(methAndRunningLastTime == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) [2021-11-13 17:33:49,705 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && ((((1 <= pumpRunning || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(methAndRunningLastTime == 0))) && (((1 <= pumpRunning || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2021-11-13 17:33:49,751 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/witness.graphml [2021-11-13 17:33:49,752 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 17:33:49,752 INFO L158 Benchmark]: Toolchain (without parser) took 15433.77ms. Allocated memory was 86.0MB in the beginning and 169.9MB in the end (delta: 83.9MB). Free memory was 65.4MB in the beginning and 106.5MB in the end (delta: -41.1MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2021-11-13 17:33:49,753 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 86.0MB. Free memory was 63.9MB in the beginning and 63.8MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:33:49,753 INFO L158 Benchmark]: CACSL2BoogieTranslator took 702.11ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 65.2MB in the beginning and 79.2MB in the end (delta: -13.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 17:33:49,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.11ms. Allocated memory is still 111.1MB. Free memory was 79.2MB in the beginning and 76.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 17:33:49,755 INFO L158 Benchmark]: Boogie Preprocessor took 48.93ms. Allocated memory is still 111.1MB. Free memory was 76.4MB in the beginning and 74.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 17:33:49,756 INFO L158 Benchmark]: RCFGBuilder took 1100.70ms. Allocated memory is still 111.1MB. Free memory was 74.7MB in the beginning and 84.5MB in the end (delta: -9.9MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2021-11-13 17:33:49,756 INFO L158 Benchmark]: TraceAbstraction took 13371.97ms. Allocated memory was 111.1MB in the beginning and 169.9MB in the end (delta: 58.7MB). Free memory was 84.5MB in the beginning and 113.8MB in the end (delta: -29.3MB). Peak memory consumption was 100.5MB. Max. memory is 16.1GB. [2021-11-13 17:33:49,756 INFO L158 Benchmark]: Witness Printer took 126.02ms. Allocated memory is still 169.9MB. Free memory was 113.8MB in the beginning and 106.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 17:33:49,760 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 86.0MB. Free memory was 63.9MB in the beginning and 63.8MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 702.11ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 65.2MB in the beginning and 79.2MB in the end (delta: -13.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.11ms. Allocated memory is still 111.1MB. Free memory was 79.2MB in the beginning and 76.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.93ms. Allocated memory is still 111.1MB. Free memory was 76.4MB in the beginning and 74.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1100.70ms. Allocated memory is still 111.1MB. Free memory was 74.7MB in the beginning and 84.5MB in the end (delta: -9.9MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * TraceAbstraction took 13371.97ms. Allocated memory was 111.1MB in the beginning and 169.9MB in the end (delta: 58.7MB). Free memory was 84.5MB in the beginning and 113.8MB in the end (delta: -29.3MB). Peak memory consumption was 100.5MB. Max. memory is 16.1GB. * Witness Printer took 126.02ms. Allocated memory is still 169.9MB. Free memory was 113.8MB in the beginning and 106.5MB in the end (delta: 7.3MB). 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: 445]: 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, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.2s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1385 SdHoareTripleChecker+Valid, 2945.05ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1355 mSDsluCounter, 3409 SdHoareTripleChecker+Invalid, 2442.34ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2200 mSDsCounter, 414 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1161 IncrementalHoareTripleChecker+Invalid, 1575 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 414 mSolverCounterUnsat, 1209 mSDtfsCounter, 1161 mSolverCounterSat, 71.79ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 384 GetRequests, 278 SyntacticMatches, 2 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=443occurred in iteration=10, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 290 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 1030 PreInvPairs, 1128 NumberOfFragments, 2358 HoareAnnotationTreeSize, 1030 FomulaSimplifications, 95 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 40 FomulaSimplificationsInter, 7094 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 771 NumberOfCodeBlocks, 771 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 757 ConstructedInterpolants, 0 QuantifiedInterpolants, 1594 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1047 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 109/136 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: 349]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(\result == 0)) || !(methaneLevelCritical == 0)) || !(methAndRunningLastTime == 0))) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(\result == 0)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: (((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && methAndRunningLastTime == 0))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && methAndRunningLastTime == 0))) && (((((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((1 <= pumpRunning && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || methAndRunningLastTime == 0) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= \result)) - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0)) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0)) || (((1 <= pumpRunning && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((!(tmp == 0) && !(\result == 0)) && \result == 0) && tmp___0 == 0)) || !(methAndRunningLastTime == 0))) && (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((!(tmp == 0) && !(\result == 0)) && \result == 0) && tmp___0 == 0)) || !(methAndRunningLastTime == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= \result) && 1 <= tmp))) && (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0)) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && tmp == 0))) && (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((pumpRunning == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0))) && (((((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && ((((1 <= pumpRunning || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(methAndRunningLastTime == 0))) && (((1 <= pumpRunning || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && 1 <= \result) && \result == 0) && 1 <= tmp))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || ((1 <= pumpRunning && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) RESULT: Ultimate proved your program to be correct! [2021-11-13 17:33:49,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f0c86bb-1cad-4bc4-8f33-f6ec7ab78697/bin/uautomizer-YU5uOKAj3y/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