./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8 --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 a5df7e7a530538a677becf014bfb990c6b0570c5e1058d85d7e78cec25f53253 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:02:04,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:02:04,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:02:05,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:02:05,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:02:05,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:02:05,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:02:05,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:02:05,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:02:05,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:02:05,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:02:05,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:02:05,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:02:05,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:02:05,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:02:05,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:02:05,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:02:05,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:02:05,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:02:05,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:02:05,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:02:05,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:02:05,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:02:05,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:02:05,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:02:05,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:02:05,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:02:05,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:02:05,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:02:05,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:02:05,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:02:05,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:02:05,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:02:05,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:02:05,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:02:05,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:02:05,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:02:05,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:02:05,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:02:05,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:02:05,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:02:05,066 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:02:05,113 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:02:05,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:02:05,115 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:02:05,115 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:02:05,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:02:05,117 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:02:05,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:02:05,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:02:05,118 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:02:05,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:02:05,120 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:02:05,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:02:05,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:02:05,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:02:05,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:02:05,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:02:05,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:02:05,122 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:02:05,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:02:05,122 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:02:05,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:02:05,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:02:05,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:02:05,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:02:05,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:02:05,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:02:05,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:02:05,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:02:05,125 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:02:05,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:02:05,125 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:02:05,125 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:02:05,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:02:05,126 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_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5df7e7a530538a677becf014bfb990c6b0570c5e1058d85d7e78cec25f53253 [2022-11-16 11:02:05,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:02:05,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:02:05,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:02:05,480 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:02:05,481 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:02:05,483 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2022-11-16 11:02:05,571 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/data/9411ef1f8/de0ef05f107a44f890b2dcd3b9449ca3/FLAGe88235ce0 [2022-11-16 11:02:06,284 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:02:06,291 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2022-11-16 11:02:06,314 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/data/9411ef1f8/de0ef05f107a44f890b2dcd3b9449ca3/FLAGe88235ce0 [2022-11-16 11:02:06,566 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/data/9411ef1f8/de0ef05f107a44f890b2dcd3b9449ca3 [2022-11-16 11:02:06,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:02:06,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:02:06,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:02:06,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:02:06,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:02:06,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:02:06" (1/1) ... [2022-11-16 11:02:06,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d3e903b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:02:06, skipping insertion in model container [2022-11-16 11:02:06,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:02:06" (1/1) ... [2022-11-16 11:02:06,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:02:06,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:02:06,964 WARN L229 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_74e08319-e7b4-4e53-ba65-cbfefc255aef/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c[19170,19183] [2022-11-16 11:02:06,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:02:06,978 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:02:07,088 WARN L229 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_74e08319-e7b4-4e53-ba65-cbfefc255aef/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c[19170,19183] [2022-11-16 11:02:07,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:02:07,117 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:02:07,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:02:07 WrapperNode [2022-11-16 11:02:07,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:02:07,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:02:07,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:02:07,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:02:07,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:02:07" (1/1) ... [2022-11-16 11:02:07,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:02:07" (1/1) ... [2022-11-16 11:02:07,203 INFO L138 Inliner]: procedures = 58, calls = 158, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 279 [2022-11-16 11:02:07,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:02:07,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:02:07,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:02:07,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:02:07,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:02:07" (1/1) ... [2022-11-16 11:02:07,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:02:07" (1/1) ... [2022-11-16 11:02:07,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:02:07" (1/1) ... [2022-11-16 11:02:07,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:02:07" (1/1) ... [2022-11-16 11:02:07,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:02:07" (1/1) ... [2022-11-16 11:02:07,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:02:07" (1/1) ... [2022-11-16 11:02:07,232 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:02:07" (1/1) ... [2022-11-16 11:02:07,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:02:07" (1/1) ... [2022-11-16 11:02:07,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:02:07,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:02:07,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:02:07,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:02:07,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:02:07" (1/1) ... [2022-11-16 11:02:07,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:02:07,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:02:07,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:02:07,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:02:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:02:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-16 11:02:07,315 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-16 11:02:07,315 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 11:02:07,315 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 11:02:07,316 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 11:02:07,316 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 11:02:07,318 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-16 11:02:07,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-16 11:02:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 11:02:07,319 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 11:02:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 11:02:07,320 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 11:02:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:02:07,321 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 11:02:07,321 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 11:02:07,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:02:07,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:02:07,457 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:02:07,459 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:02:07,903 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:02:07,911 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:02:07,911 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:02:07,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:02:07 BoogieIcfgContainer [2022-11-16 11:02:07,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:02:07,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:02:07,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:02:07,922 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:02:07,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:02:06" (1/3) ... [2022-11-16 11:02:07,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68da3f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:02:07, skipping insertion in model container [2022-11-16 11:02:07,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:02:07" (2/3) ... [2022-11-16 11:02:07,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68da3f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:02:07, skipping insertion in model container [2022-11-16 11:02:07,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:02:07" (3/3) ... [2022-11-16 11:02:07,925 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58.cil.c [2022-11-16 11:02:07,946 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:02:07,946 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:02:08,006 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:02:08,024 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@11447498, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:02:08,026 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:02:08,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 81 states have internal predecessors, (101), 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) [2022-11-16 11:02:08,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 11:02:08,043 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:02:08,044 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:02:08,044 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:02:08,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:08,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1936540556, now seen corresponding path program 1 times [2022-11-16 11:02:08,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:02:08,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695226951] [2022-11-16 11:02:08,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:08,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:02:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:08,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 11:02:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:08,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:02:08,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:02:08,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695226951] [2022-11-16 11:02:08,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695226951] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:02:08,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:02:08,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:02:08,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128857363] [2022-11-16 11:02:08,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:02:08,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:02:08,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:02:08,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:02:08,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:02:08,463 INFO L87 Difference]: Start difference. First operand has 94 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 81 states have internal predecessors, (101), 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) [2022-11-16 11:02:08,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:02:08,549 INFO L93 Difference]: Finished difference Result 179 states and 244 transitions. [2022-11-16 11:02:08,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:02:08,552 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-16 11:02:08,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:02:08,573 INFO L225 Difference]: With dead ends: 179 [2022-11-16 11:02:08,574 INFO L226 Difference]: Without dead ends: 85 [2022-11-16 11:02:08,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:02:08,584 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:02:08,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:02:08,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-16 11:02:08,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-11-16 11:02:08,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 66 states have (on average 1.3181818181818181) internal successors, (87), 73 states have internal predecessors, (87), 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) [2022-11-16 11:02:08,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 110 transitions. [2022-11-16 11:02:08,653 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 110 transitions. Word has length 25 [2022-11-16 11:02:08,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:02:08,654 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 110 transitions. [2022-11-16 11:02:08,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:02:08,656 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2022-11-16 11:02:08,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-16 11:02:08,662 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:02:08,662 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:02:08,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:02:08,663 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:02:08,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:08,666 INFO L85 PathProgramCache]: Analyzing trace with hash -433728910, now seen corresponding path program 1 times [2022-11-16 11:02:08,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:02:08,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148609579] [2022-11-16 11:02:08,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:08,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:02:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:08,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:02:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:08,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:02:08,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:02:08,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148609579] [2022-11-16 11:02:08,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148609579] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:02:08,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:02:08,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:02:08,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235446664] [2022-11-16 11:02:08,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:02:08,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:02:08,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:02:08,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:02:08,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:02:08,832 INFO L87 Difference]: Start difference. First operand 85 states and 110 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:02:08,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:02:08,848 INFO L93 Difference]: Finished difference Result 134 states and 174 transitions. [2022-11-16 11:02:08,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:02:08,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-11-16 11:02:08,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:02:08,851 INFO L225 Difference]: With dead ends: 134 [2022-11-16 11:02:08,851 INFO L226 Difference]: Without dead ends: 76 [2022-11-16 11:02:08,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:02:08,853 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 13 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:02:08,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 177 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:02:08,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-16 11:02:08,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-16 11:02:08,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 67 states have internal predecessors, (80), 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) [2022-11-16 11:02:08,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2022-11-16 11:02:08,863 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 26 [2022-11-16 11:02:08,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:02:08,864 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2022-11-16 11:02:08,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:02:08,864 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2022-11-16 11:02:08,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-16 11:02:08,865 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:02:08,866 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:02:08,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:02:08,866 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:02:08,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:08,867 INFO L85 PathProgramCache]: Analyzing trace with hash -960870689, now seen corresponding path program 1 times [2022-11-16 11:02:08,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:02:08,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257064190] [2022-11-16 11:02:08,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:08,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:02:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:09,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-16 11:02:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:09,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:02:09,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:02:09,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257064190] [2022-11-16 11:02:09,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257064190] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:02:09,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:02:09,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:02:09,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260950209] [2022-11-16 11:02:09,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:02:09,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:02:09,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:02:09,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:02:09,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:02:09,098 INFO L87 Difference]: Start difference. First operand 76 states and 98 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:02:09,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:02:09,165 INFO L93 Difference]: Finished difference Result 144 states and 189 transitions. [2022-11-16 11:02:09,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:02:09,166 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 31 [2022-11-16 11:02:09,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:02:09,167 INFO L225 Difference]: With dead ends: 144 [2022-11-16 11:02:09,168 INFO L226 Difference]: Without dead ends: 76 [2022-11-16 11:02:09,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:02:09,170 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 125 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:02:09,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 239 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:02:09,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-16 11:02:09,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-16 11:02:09,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 67 states have internal predecessors, (79), 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) [2022-11-16 11:02:09,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 97 transitions. [2022-11-16 11:02:09,184 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 97 transitions. Word has length 31 [2022-11-16 11:02:09,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:02:09,184 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 97 transitions. [2022-11-16 11:02:09,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:02:09,185 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 97 transitions. [2022-11-16 11:02:09,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-16 11:02:09,189 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:02:09,189 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:02:09,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:02:09,190 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:02:09,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:09,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1051649323, now seen corresponding path program 1 times [2022-11-16 11:02:09,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:02:09,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155554046] [2022-11-16 11:02:09,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:09,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:02:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:09,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 11:02:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:09,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:02:09,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:02:09,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155554046] [2022-11-16 11:02:09,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155554046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:02:09,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:02:09,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:02:09,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149391524] [2022-11-16 11:02:09,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:02:09,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:02:09,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:02:09,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:02:09,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:02:09,393 INFO L87 Difference]: Start difference. First operand 76 states and 97 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:02:09,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:02:09,461 INFO L93 Difference]: Finished difference Result 189 states and 247 transitions. [2022-11-16 11:02:09,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:02:09,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 39 [2022-11-16 11:02:09,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:02:09,463 INFO L225 Difference]: With dead ends: 189 [2022-11-16 11:02:09,463 INFO L226 Difference]: Without dead ends: 121 [2022-11-16 11:02:09,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:02:09,465 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 60 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:02:09,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 173 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:02:09,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2022-11-16 11:02:09,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2022-11-16 11:02:09,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 93 states have (on average 1.3010752688172043) internal successors, (121), 101 states have internal predecessors, (121), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (17), 13 states have call predecessors, (17), 13 states have call successors, (17) [2022-11-16 11:02:09,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 151 transitions. [2022-11-16 11:02:09,484 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 151 transitions. Word has length 39 [2022-11-16 11:02:09,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:02:09,485 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 151 transitions. [2022-11-16 11:02:09,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:02:09,485 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 151 transitions. [2022-11-16 11:02:09,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-16 11:02:09,487 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:02:09,487 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:02:09,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:02:09,487 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:02:09,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:09,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1776043399, now seen corresponding path program 1 times [2022-11-16 11:02:09,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:02:09,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380646480] [2022-11-16 11:02:09,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:09,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:02:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:09,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-16 11:02:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:09,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:02:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:09,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-16 11:02:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:09,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:02:09,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:02:09,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380646480] [2022-11-16 11:02:09,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380646480] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:02:09,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:02:09,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:02:09,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867433848] [2022-11-16 11:02:09,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:02:09,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:02:09,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:02:09,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:02:09,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:02:09,599 INFO L87 Difference]: Start difference. First operand 119 states and 151 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:02:09,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:02:09,742 INFO L93 Difference]: Finished difference Result 273 states and 359 transitions. [2022-11-16 11:02:09,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:02:09,743 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2022-11-16 11:02:09,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:02:09,745 INFO L225 Difference]: With dead ends: 273 [2022-11-16 11:02:09,745 INFO L226 Difference]: Without dead ends: 162 [2022-11-16 11:02:09,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:02:09,747 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 92 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:02:09,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 289 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:02:09,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-11-16 11:02:09,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 145. [2022-11-16 11:02:09,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 114 states have (on average 1.2982456140350878) internal successors, (148), 122 states have internal predecessors, (148), 15 states have call successors, (15), 12 states have call predecessors, (15), 15 states have return successors, (22), 16 states have call predecessors, (22), 15 states have call successors, (22) [2022-11-16 11:02:09,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 185 transitions. [2022-11-16 11:02:09,768 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 185 transitions. Word has length 47 [2022-11-16 11:02:09,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:02:09,769 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 185 transitions. [2022-11-16 11:02:09,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:02:09,769 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 185 transitions. [2022-11-16 11:02:09,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-16 11:02:09,771 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:02:09,771 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:02:09,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:02:09,783 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:02:09,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:09,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1353341573, now seen corresponding path program 1 times [2022-11-16 11:02:09,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:02:09,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504175529] [2022-11-16 11:02:09,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:09,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:02:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:09,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-16 11:02:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:09,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:02:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:09,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-16 11:02:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:09,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:02:09,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:02:09,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504175529] [2022-11-16 11:02:09,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504175529] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:02:09,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:02:09,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:02:09,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804486246] [2022-11-16 11:02:09,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:02:09,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:02:09,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:02:09,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:02:09,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:02:09,950 INFO L87 Difference]: Start difference. First operand 145 states and 185 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:02:10,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:02:10,240 INFO L93 Difference]: Finished difference Result 419 states and 543 transitions. [2022-11-16 11:02:10,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 11:02:10,241 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 5 states have internal predecessors, (40), 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 47 [2022-11-16 11:02:10,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:02:10,243 INFO L225 Difference]: With dead ends: 419 [2022-11-16 11:02:10,243 INFO L226 Difference]: Without dead ends: 282 [2022-11-16 11:02:10,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-16 11:02:10,245 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 158 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:02:10,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 437 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:02:10,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-11-16 11:02:10,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 268. [2022-11-16 11:02:10,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 207 states have (on average 1.2608695652173914) internal successors, (261), 222 states have internal predecessors, (261), 30 states have call successors, (30), 24 states have call predecessors, (30), 30 states have return successors, (46), 32 states have call predecessors, (46), 30 states have call successors, (46) [2022-11-16 11:02:10,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 337 transitions. [2022-11-16 11:02:10,282 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 337 transitions. Word has length 47 [2022-11-16 11:02:10,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:02:10,283 INFO L495 AbstractCegarLoop]: Abstraction has 268 states and 337 transitions. [2022-11-16 11:02:10,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:02:10,283 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 337 transitions. [2022-11-16 11:02:10,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-16 11:02:10,285 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:02:10,285 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:02:10,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:02:10,285 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:02:10,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:10,286 INFO L85 PathProgramCache]: Analyzing trace with hash -767183671, now seen corresponding path program 1 times [2022-11-16 11:02:10,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:02:10,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620018810] [2022-11-16 11:02:10,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:10,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:02:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:10,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:02:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:10,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:02:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:10,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:02:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:10,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:02:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:10,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:02:10,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:02:10,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620018810] [2022-11-16 11:02:10,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620018810] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:02:10,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:02:10,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:02:10,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158691221] [2022-11-16 11:02:10,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:02:10,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:02:10,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:02:10,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:02:10,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:02:10,442 INFO L87 Difference]: Start difference. First operand 268 states and 337 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-16 11:02:10,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:02:10,944 INFO L93 Difference]: Finished difference Result 540 states and 680 transitions. [2022-11-16 11:02:10,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 11:02:10,945 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 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 51 [2022-11-16 11:02:10,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:02:10,947 INFO L225 Difference]: With dead ends: 540 [2022-11-16 11:02:10,947 INFO L226 Difference]: Without dead ends: 280 [2022-11-16 11:02:10,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2022-11-16 11:02:10,952 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 190 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:02:10,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 144 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 11:02:10,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2022-11-16 11:02:11,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 266. [2022-11-16 11:02:11,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 205 states have (on average 1.2439024390243902) internal successors, (255), 220 states have internal predecessors, (255), 30 states have call successors, (30), 24 states have call predecessors, (30), 30 states have return successors, (46), 32 states have call predecessors, (46), 30 states have call successors, (46) [2022-11-16 11:02:11,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 331 transitions. [2022-11-16 11:02:11,004 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 331 transitions. Word has length 51 [2022-11-16 11:02:11,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:02:11,004 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 331 transitions. [2022-11-16 11:02:11,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-16 11:02:11,005 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 331 transitions. [2022-11-16 11:02:11,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-16 11:02:11,007 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:02:11,007 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:02:11,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:02:11,008 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:02:11,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:11,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1398170692, now seen corresponding path program 1 times [2022-11-16 11:02:11,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:02:11,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344324002] [2022-11-16 11:02:11,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:11,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:02:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:11,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:02:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:11,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:02:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:11,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:02:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:11,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:02:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:11,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:02:11,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:02:11,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344324002] [2022-11-16 11:02:11,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344324002] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:02:11,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:02:11,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:02:11,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197645157] [2022-11-16 11:02:11,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:02:11,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:02:11,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:02:11,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:02:11,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:02:11,151 INFO L87 Difference]: Start difference. First operand 266 states and 331 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:02:11,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:02:11,524 INFO L93 Difference]: Finished difference Result 542 states and 695 transitions. [2022-11-16 11:02:11,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:02:11,524 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2022-11-16 11:02:11,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:02:11,526 INFO L225 Difference]: With dead ends: 542 [2022-11-16 11:02:11,526 INFO L226 Difference]: Without dead ends: 284 [2022-11-16 11:02:11,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:02:11,528 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 132 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:02:11,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 146 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 11:02:11,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2022-11-16 11:02:11,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 272. [2022-11-16 11:02:11,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 211 states have (on average 1.2369668246445498) internal successors, (261), 226 states have internal predecessors, (261), 30 states have call successors, (30), 24 states have call predecessors, (30), 30 states have return successors, (46), 32 states have call predecessors, (46), 30 states have call successors, (46) [2022-11-16 11:02:11,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 337 transitions. [2022-11-16 11:02:11,578 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 337 transitions. Word has length 57 [2022-11-16 11:02:11,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:02:11,579 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 337 transitions. [2022-11-16 11:02:11,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:02:11,580 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 337 transitions. [2022-11-16 11:02:11,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-16 11:02:11,586 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:02:11,587 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:02:11,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:02:11,587 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:02:11,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:11,588 INFO L85 PathProgramCache]: Analyzing trace with hash 412634824, now seen corresponding path program 1 times [2022-11-16 11:02:11,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:02:11,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171227108] [2022-11-16 11:02:11,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:11,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:02:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:11,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:02:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:11,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:02:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:11,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:02:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:11,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:02:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:11,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:02:11,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:02:11,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171227108] [2022-11-16 11:02:11,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171227108] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:02:11,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:02:11,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:02:11,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261311415] [2022-11-16 11:02:11,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:02:11,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:02:11,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:02:11,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:02:11,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:02:11,733 INFO L87 Difference]: Start difference. First operand 272 states and 337 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-16 11:02:12,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:02:12,196 INFO L93 Difference]: Finished difference Result 770 states and 997 transitions. [2022-11-16 11:02:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 11:02:12,197 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 57 [2022-11-16 11:02:12,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:02:12,200 INFO L225 Difference]: With dead ends: 770 [2022-11-16 11:02:12,200 INFO L226 Difference]: Without dead ends: 506 [2022-11-16 11:02:12,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:02:12,202 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 301 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:02:12,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 160 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 11:02:12,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2022-11-16 11:02:12,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 504. [2022-11-16 11:02:12,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 385 states have (on average 1.2103896103896103) internal successors, (466), 408 states have internal predecessors, (466), 60 states have call successors, (60), 56 states have call predecessors, (60), 58 states have return successors, (103), 60 states have call predecessors, (103), 60 states have call successors, (103) [2022-11-16 11:02:12,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 629 transitions. [2022-11-16 11:02:12,280 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 629 transitions. Word has length 57 [2022-11-16 11:02:12,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:02:12,281 INFO L495 AbstractCegarLoop]: Abstraction has 504 states and 629 transitions. [2022-11-16 11:02:12,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-16 11:02:12,281 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 629 transitions. [2022-11-16 11:02:12,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-16 11:02:12,283 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:02:12,284 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:02:12,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:02:12,284 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:02:12,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:12,285 INFO L85 PathProgramCache]: Analyzing trace with hash -166866194, now seen corresponding path program 1 times [2022-11-16 11:02:12,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:02:12,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562041236] [2022-11-16 11:02:12,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:12,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:02:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:12,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 11:02:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:12,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:02:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:12,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 11:02:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:12,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:02:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:12,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 11:02:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:12,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:02:12,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:02:12,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562041236] [2022-11-16 11:02:12,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562041236] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:02:12,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259577953] [2022-11-16 11:02:12,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:12,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:02:12,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:02:12,567 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:02:12,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 11:02:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:12,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 11:02:12,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:02:12,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:02:12,965 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:02:12,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259577953] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:02:12,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:02:12,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 18 [2022-11-16 11:02:12,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736667652] [2022-11-16 11:02:12,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:02:12,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:02:12,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:02:12,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:02:12,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2022-11-16 11:02:12,968 INFO L87 Difference]: Start difference. First operand 504 states and 629 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-16 11:02:13,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:02:13,161 INFO L93 Difference]: Finished difference Result 978 states and 1227 transitions. [2022-11-16 11:02:13,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:02:13,161 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 61 [2022-11-16 11:02:13,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:02:13,165 INFO L225 Difference]: With dead ends: 978 [2022-11-16 11:02:13,165 INFO L226 Difference]: Without dead ends: 482 [2022-11-16 11:02:13,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2022-11-16 11:02:13,168 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 68 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 673 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:02:13,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 673 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:02:13,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2022-11-16 11:02:13,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 480. [2022-11-16 11:02:13,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 366 states have (on average 1.1939890710382515) internal successors, (437), 388 states have internal predecessors, (437), 58 states have call successors, (58), 54 states have call predecessors, (58), 55 states have return successors, (89), 57 states have call predecessors, (89), 58 states have call successors, (89) [2022-11-16 11:02:13,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 584 transitions. [2022-11-16 11:02:13,251 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 584 transitions. Word has length 61 [2022-11-16 11:02:13,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:02:13,251 INFO L495 AbstractCegarLoop]: Abstraction has 480 states and 584 transitions. [2022-11-16 11:02:13,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-16 11:02:13,252 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 584 transitions. [2022-11-16 11:02:13,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-16 11:02:13,255 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:02:13,255 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:02:13,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:02:13,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:02:13,463 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:02:13,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:13,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1972813179, now seen corresponding path program 1 times [2022-11-16 11:02:13,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:02:13,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768099216] [2022-11-16 11:02:13,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:13,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:02:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:13,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 11:02:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:13,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-16 11:02:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:13,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:02:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:13,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:02:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:13,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:02:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:13,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:02:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:13,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:02:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:13,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:02:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:13,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-16 11:02:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:13,626 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-16 11:02:13,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:02:13,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768099216] [2022-11-16 11:02:13,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768099216] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:02:13,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515678002] [2022-11-16 11:02:13,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:13,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:02:13,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:02:13,629 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:02:13,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 11:02:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:13,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 11:02:13,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:02:13,867 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:02:13,867 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:02:13,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515678002] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:02:13,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:02:13,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2022-11-16 11:02:13,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784429146] [2022-11-16 11:02:13,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:02:13,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:02:13,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:02:13,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:02:13,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:02:13,872 INFO L87 Difference]: Start difference. First operand 480 states and 584 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 11:02:13,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:02:13,971 INFO L93 Difference]: Finished difference Result 728 states and 903 transitions. [2022-11-16 11:02:13,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:02:13,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 100 [2022-11-16 11:02:13,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:02:13,976 INFO L225 Difference]: With dead ends: 728 [2022-11-16 11:02:13,976 INFO L226 Difference]: Without dead ends: 726 [2022-11-16 11:02:13,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:02:13,978 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 45 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:02:13,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 190 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:02:13,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2022-11-16 11:02:14,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 584. [2022-11-16 11:02:14,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 447 states have (on average 1.203579418344519) internal successors, (538), 473 states have internal predecessors, (538), 70 states have call successors, (70), 65 states have call predecessors, (70), 66 states have return successors, (115), 67 states have call predecessors, (115), 70 states have call successors, (115) [2022-11-16 11:02:14,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 723 transitions. [2022-11-16 11:02:14,053 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 723 transitions. Word has length 100 [2022-11-16 11:02:14,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:02:14,055 INFO L495 AbstractCegarLoop]: Abstraction has 584 states and 723 transitions. [2022-11-16 11:02:14,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 11:02:14,055 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 723 transitions. [2022-11-16 11:02:14,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-16 11:02:14,065 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:02:14,065 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-16 11:02:14,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:02:14,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-16 11:02:14,271 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:02:14,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:14,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1133837867, now seen corresponding path program 1 times [2022-11-16 11:02:14,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:02:14,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76491683] [2022-11-16 11:02:14,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:14,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:02:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:14,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 11:02:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:14,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-16 11:02:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:14,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:02:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:14,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:02:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:14,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:02:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:14,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:02:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:14,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:02:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:14,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:02:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:14,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:02:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:14,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:02:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:14,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 11:02:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:14,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:02:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:14,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-16 11:02:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:14,742 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 59 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-16 11:02:14,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:02:14,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76491683] [2022-11-16 11:02:14,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76491683] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:02:14,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503867319] [2022-11-16 11:02:14,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:14,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:02:14,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:02:14,744 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:02:14,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 11:02:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:14,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 11:02:14,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:02:15,253 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:02:15,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:02:15,560 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 12 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-16 11:02:15,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503867319] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:02:15,560 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:02:15,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 8] total 18 [2022-11-16 11:02:15,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481284238] [2022-11-16 11:02:15,561 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:02:15,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-16 11:02:15,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:02:15,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-16 11:02:15,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2022-11-16 11:02:15,563 INFO L87 Difference]: Start difference. First operand 584 states and 723 transitions. Second operand has 18 states, 18 states have (on average 8.11111111111111) internal successors, (146), 15 states have internal predecessors, (146), 6 states have call successors, (30), 10 states have call predecessors, (30), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2022-11-16 11:02:19,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:02:19,001 INFO L93 Difference]: Finished difference Result 2158 states and 3302 transitions. [2022-11-16 11:02:19,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-16 11:02:19,007 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 8.11111111111111) internal successors, (146), 15 states have internal predecessors, (146), 6 states have call successors, (30), 10 states have call predecessors, (30), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 142 [2022-11-16 11:02:19,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:02:19,023 INFO L225 Difference]: With dead ends: 2158 [2022-11-16 11:02:19,023 INFO L226 Difference]: Without dead ends: 1674 [2022-11-16 11:02:19,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 308 SyntacticMatches, 5 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 621 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=616, Invalid=1934, Unknown=0, NotChecked=0, Total=2550 [2022-11-16 11:02:19,030 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 1113 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 2182 mSolverCounterSat, 613 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1126 SdHoareTripleChecker+Valid, 798 SdHoareTripleChecker+Invalid, 2795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 613 IncrementalHoareTripleChecker+Valid, 2182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:02:19,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1126 Valid, 798 Invalid, 2795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [613 Valid, 2182 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-16 11:02:19,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2022-11-16 11:02:19,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1075. [2022-11-16 11:02:19,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1075 states, 822 states have (on average 1.1922141119221412) internal successors, (980), 870 states have internal predecessors, (980), 132 states have call successors, (132), 110 states have call predecessors, (132), 120 states have return successors, (227), 128 states have call predecessors, (227), 132 states have call successors, (227) [2022-11-16 11:02:19,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1339 transitions. [2022-11-16 11:02:19,210 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1339 transitions. Word has length 142 [2022-11-16 11:02:19,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:02:19,211 INFO L495 AbstractCegarLoop]: Abstraction has 1075 states and 1339 transitions. [2022-11-16 11:02:19,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.11111111111111) internal successors, (146), 15 states have internal predecessors, (146), 6 states have call successors, (30), 10 states have call predecessors, (30), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2022-11-16 11:02:19,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1339 transitions. [2022-11-16 11:02:19,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-16 11:02:19,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:02:19,217 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-16 11:02:19,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-16 11:02:19,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-16 11:02:19,424 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:02:19,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:19,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1788073835, now seen corresponding path program 1 times [2022-11-16 11:02:19,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:02:19,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764267256] [2022-11-16 11:02:19,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:19,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:02:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:19,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 11:02:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:19,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-16 11:02:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:19,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:02:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:19,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:02:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:19,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:02:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:19,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:02:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:19,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:02:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:19,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:02:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:19,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:02:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:19,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:02:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:19,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-16 11:02:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:19,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:02:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:19,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-16 11:02:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:19,679 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-16 11:02:19,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:02:19,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764267256] [2022-11-16 11:02:19,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764267256] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:02:19,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:02:19,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-16 11:02:19,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635776755] [2022-11-16 11:02:19,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:02:19,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-16 11:02:19,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:02:19,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-16 11:02:19,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-16 11:02:19,682 INFO L87 Difference]: Start difference. First operand 1075 states and 1339 transitions. Second operand has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 7 states have internal predecessors, (89), 2 states have call successors, (10), 6 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-16 11:02:20,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:02:20,237 INFO L93 Difference]: Finished difference Result 1530 states and 1872 transitions. [2022-11-16 11:02:20,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 11:02:20,238 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 7 states have internal predecessors, (89), 2 states have call successors, (10), 6 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 142 [2022-11-16 11:02:20,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:02:20,239 INFO L225 Difference]: With dead ends: 1530 [2022-11-16 11:02:20,239 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:02:20,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2022-11-16 11:02:20,244 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 285 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:02:20,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 166 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 11:02:20,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:02:20,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:02:20,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:02:20,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:02:20,246 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 142 [2022-11-16 11:02:20,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:02:20,246 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:02:20,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 7 states have internal predecessors, (89), 2 states have call successors, (10), 6 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-16 11:02:20,247 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:02:20,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:02:20,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:02:20,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 11:02:20,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 11:02:27,562 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 629 635) no Hoare annotation was computed. [2022-11-16 11:02:27,562 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 629 635) the Hoare annotation is: true [2022-11-16 11:02:27,563 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 84 95) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3))) [2022-11-16 11:02:27,563 INFO L899 garLoopResultBuilder]: For program point L88-1(lines 84 95) no Hoare annotation was computed. [2022-11-16 11:02:27,563 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 84 95) no Hoare annotation was computed. [2022-11-16 11:02:27,563 INFO L902 garLoopResultBuilder]: At program point L929(lines 904 933) the Hoare annotation is: true [2022-11-16 11:02:27,563 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 904 933) no Hoare annotation was computed. [2022-11-16 11:02:27,563 INFO L899 garLoopResultBuilder]: For program point L925(line 925) no Hoare annotation was computed. [2022-11-16 11:02:27,564 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 904 933) the Hoare annotation is: true [2022-11-16 11:02:27,564 INFO L899 garLoopResultBuilder]: For program point L918(lines 918 922) no Hoare annotation was computed. [2022-11-16 11:02:27,564 INFO L902 garLoopResultBuilder]: At program point L918-1(lines 918 922) the Hoare annotation is: true [2022-11-16 11:02:27,564 INFO L899 garLoopResultBuilder]: For program point L915(line 915) no Hoare annotation was computed. [2022-11-16 11:02:27,564 INFO L902 garLoopResultBuilder]: At program point L914-2(lines 914 928) the Hoare annotation is: true [2022-11-16 11:02:27,564 INFO L902 garLoopResultBuilder]: At program point L910(line 910) the Hoare annotation is: true [2022-11-16 11:02:27,565 INFO L899 garLoopResultBuilder]: For program point L910-1(line 910) no Hoare annotation was computed. [2022-11-16 11:02:27,565 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2022-11-16 11:02:27,565 INFO L899 garLoopResultBuilder]: For program point L609-1(lines 608 627) no Hoare annotation was computed. [2022-11-16 11:02:27,565 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 679) no Hoare annotation was computed. [2022-11-16 11:02:27,565 INFO L895 garLoopResultBuilder]: At program point L64-2(lines 60 71) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4) (or (and .cse2 (= ~methAndRunningLastTime~0 0) .cse3) .cse5 .cse6 .cse1 .cse4) (or .cse7 .cse5 .cse6 .cse1) (or .cse7 .cse5 .cse0 .cse1))) [2022-11-16 11:02:27,566 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 684) no Hoare annotation was computed. [2022-11-16 11:02:27,566 INFO L895 garLoopResultBuilder]: At program point L812(lines 797 815) the Hoare annotation is: (let ((.cse11 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse3 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse4 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse5 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (.cse6 (let ((.cse12 (= ~waterLevel~0 0))) (or (and (= |timeShift_isLowWaterLevel_~tmp~8#1| 1) .cse12) (and (not .cse12) (= |timeShift_isLowWaterLevel_~tmp~8#1| 0))))) (.cse8 (not (<= 2 |old(~waterLevel~0)|))) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8) (or .cse9 .cse10 .cse11 .cse7) (or .cse10 .cse11 (and .cse1 .cse2 (= ~methAndRunningLastTime~0 0) .cse3 .cse4 .cse5 .cse6) .cse7 .cse8) (or .cse9 .cse10 .cse0 .cse7))) [2022-11-16 11:02:27,566 INFO L895 garLoopResultBuilder]: At program point L841(line 841) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0)) (.cse12 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~methaneLevelCritical~0 0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse10 (<= 2 ~waterLevel~0)) (.cse2 (not .cse5)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse13 (<= 1 |timeShift_processEnvironment_~tmp~5#1|)) (.cse14 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse15 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (.cse11 (not .cse12)) (.cse18 (not (<= 2 |old(~waterLevel~0)|))) (.cse19 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse20 (let ((.cse22 (= ~waterLevel~0 0))) (or (and (= |timeShift_isLowWaterLevel_~tmp~8#1| 1) .cse22) (and (not .cse22) (= |timeShift_isLowWaterLevel_~tmp~8#1| 0))))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse17 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse8 (not .cse9))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 (and .cse5 .cse10 .cse6 .cse8)) (or .cse0 .cse1 .cse11 (and .cse3 .cse4 .cse12 .cse6 .cse7 .cse8) .cse9) (let ((.cse16 (or (and .cse19 .cse4 .cse5 .cse17 .cse8 .cse20) (and .cse3 .cse4 .cse5 .cse17 .cse8)))) (or (and .cse13 .cse14 .cse15 .cse16) (and .cse5 .cse10 .cse17 .cse8) .cse2 (and .cse3 .cse16) .cse9 .cse18)) (let ((.cse21 (or (and .cse19 .cse4 .cse12 .cse17 .cse20) (and .cse3 .cse4 .cse12 .cse17 .cse8)))) (or .cse1 (and .cse13 .cse21 .cse14 .cse15) .cse11 (and .cse3 .cse21) .cse9 .cse18))))) [2022-11-16 11:02:27,567 INFO L899 garLoopResultBuilder]: For program point L841-1(line 841) no Hoare annotation was computed. [2022-11-16 11:02:27,567 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 605 628) no Hoare annotation was computed. [2022-11-16 11:02:27,567 INFO L895 garLoopResultBuilder]: At program point L738(lines 733 741) the Hoare annotation is: (let ((.cse4 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) .cse5) (or .cse6 .cse5 .cse7) (or (and (<= 1 |timeShift_processEnvironment_~tmp~5#1|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse3 .cse4 (= |timeShift_isLowWaterLevel_~tmp~8#1| 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) .cse1 .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3) .cse5 .cse7) (or .cse0 .cse1 .cse6 .cse5))) [2022-11-16 11:02:27,567 INFO L895 garLoopResultBuilder]: At program point L156(lines 151 159) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse4 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= ~methAndRunningLastTime~0 0) .cse4) .cse5 .cse6) (or .cse7 .cse5 (and .cse2 .cse3 .cse4) .cse6) (or .cse8 .cse0 .cse1 .cse5) (or .cse8 .cse0 .cse7 .cse5))) [2022-11-16 11:02:27,568 INFO L895 garLoopResultBuilder]: At program point L677(line 677) the Hoare annotation is: (let ((.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse2) (or .cse5 .cse3 .cse4 .cse1) (or .cse5 .cse3 .cse0 .cse1))) [2022-11-16 11:02:27,568 INFO L895 garLoopResultBuilder]: At program point L719(lines 714 721) the Hoare annotation is: (let ((.cse1 (and (<= 1 |timeShift_processEnvironment_~tmp~5#1|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (= ~pumpRunning~0 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|) (let ((.cse7 (= ~waterLevel~0 0))) (or (and (= |timeShift_isLowWaterLevel_~tmp~8#1| 1) .cse7) (and (not .cse7) (= |timeShift_isLowWaterLevel_~tmp~8#1| 0)))))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2 .cse3) (or .cse6 .cse4 .cse5 .cse2) (or .cse6 .cse4 .cse0 .cse2))) [2022-11-16 11:02:27,568 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 857) no Hoare annotation was computed. [2022-11-16 11:02:27,568 INFO L899 garLoopResultBuilder]: For program point L1004(line 1004) no Hoare annotation was computed. [2022-11-16 11:02:27,568 INFO L899 garLoopResultBuilder]: For program point L843(lines 843 860) no Hoare annotation was computed. [2022-11-16 11:02:27,569 INFO L895 garLoopResultBuilder]: At program point L682(line 682) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 0))) (let ((.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not .cse3)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~pumpRunning~0 0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse4 (not .cse5))) (and (or .cse0 (and .cse1 .cse2 .cse3 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse4) .cse5 .cse6) (or .cse7 .cse8 (and .cse1 .cse2) .cse5 .cse6) (or .cse9 .cse7 .cse8 .cse5 (and .cse2 .cse10 .cse11)) (or .cse9 .cse7 .cse0 (and .cse1 .cse2 .cse3 .cse10 .cse11 .cse4) .cse5)))) [2022-11-16 11:02:27,569 INFO L895 garLoopResultBuilder]: At program point L843-1(lines 835 863) the Hoare annotation is: (let ((.cse17 (= ~methaneLevelCritical~0 0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse2 (not .cse17)) (.cse5 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~9#1| 0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse13 (<= 1 |timeShift_processEnvironment_~tmp~5#1|)) (.cse19 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse14 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse11 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse15 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (.cse20 (let ((.cse21 (= ~waterLevel~0 0))) (or (and (= |timeShift_isLowWaterLevel_~tmp~8#1| 1) .cse21) (and (not .cse21) (= |timeShift_isLowWaterLevel_~tmp~8#1| 0))))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse8 (= 0 ~systemActive~0)) (.cse16 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse6) .cse8) (or .cse0 .cse1 .cse9 (and .cse10 .cse3 .cse4 .cse6) .cse8) (let ((.cse12 (let ((.cse18 (not .cse8))) (or (and .cse10 .cse3 .cse4 .cse17 .cse5 .cse11 .cse18) (and .cse19 .cse3 .cse4 .cse17 .cse5 .cse11 .cse18 .cse20))))) (or (and .cse4 .cse7 .cse5 .cse11) (and .cse10 .cse12) (and .cse13 .cse12 .cse14 .cse15) .cse2 .cse8 .cse16)) (or .cse1 (and .cse13 .cse19 .cse3 .cse4 .cse14 .cse11 .cse15 .cse20) .cse9 (and .cse10 .cse3) .cse8 .cse16)))) [2022-11-16 11:02:27,570 INFO L895 garLoopResultBuilder]: At program point L682-1(lines 663 687) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0)) (.cse12 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~methaneLevelCritical~0 0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse10 (<= 2 ~waterLevel~0)) (.cse2 (not .cse5)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse13 (<= 1 |timeShift_processEnvironment_~tmp~5#1|)) (.cse14 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse15 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (.cse11 (not .cse12)) (.cse18 (not (<= 2 |old(~waterLevel~0)|))) (.cse19 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse20 (let ((.cse22 (= ~waterLevel~0 0))) (or (and (= |timeShift_isLowWaterLevel_~tmp~8#1| 1) .cse22) (and (not .cse22) (= |timeShift_isLowWaterLevel_~tmp~8#1| 0))))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse17 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse8 (not .cse9))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 (and .cse5 .cse10 .cse6 .cse8)) (or .cse0 .cse1 .cse11 (and .cse3 .cse4 .cse12 .cse6 .cse7 .cse8) .cse9) (let ((.cse16 (or (and .cse19 .cse4 .cse5 .cse17 .cse8 .cse20) (and .cse3 .cse4 .cse5 .cse17 .cse8)))) (or (and .cse13 .cse14 .cse15 .cse16) (and .cse5 .cse10 .cse17 .cse8) .cse2 (and .cse3 .cse16) .cse9 .cse18)) (let ((.cse21 (or (and .cse19 .cse4 .cse12 .cse17 .cse20) (and .cse3 .cse4 .cse12 .cse17 .cse8)))) (or .cse1 (and .cse13 .cse21 .cse14 .cse15) .cse11 (and .cse3 .cse21) .cse9 .cse18))))) [2022-11-16 11:02:27,570 INFO L899 garLoopResultBuilder]: For program point L616-1(lines 616 622) no Hoare annotation was computed. [2022-11-16 11:02:27,570 INFO L899 garLoopResultBuilder]: For program point L806(lines 806 810) no Hoare annotation was computed. [2022-11-16 11:02:27,570 INFO L899 garLoopResultBuilder]: For program point L806-2(lines 806 810) no Hoare annotation was computed. [2022-11-16 11:02:27,570 INFO L899 garLoopResultBuilder]: For program point L848(lines 848 854) no Hoare annotation was computed. [2022-11-16 11:02:27,571 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 605 628) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and (= ~pumpRunning~0 0) .cse8 .cse9)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 .cse9)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2 .cse6) (or .cse4 .cse5 .cse7 .cse2 .cse6) (or .cse5 .cse7 .cse0 .cse2 .cse3)))) [2022-11-16 11:02:27,571 INFO L895 garLoopResultBuilder]: At program point L1005(lines 1000 1007) the Hoare annotation is: (let ((.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse2) (or .cse5 .cse3 .cse4 .cse1) (or .cse5 .cse3 .cse0 .cse1))) [2022-11-16 11:02:27,571 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 605 628) no Hoare annotation was computed. [2022-11-16 11:02:27,571 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2022-11-16 11:02:27,572 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 96 104) the Hoare annotation is: true [2022-11-16 11:02:27,572 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 96 104) no Hoare annotation was computed. [2022-11-16 11:02:27,572 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 96 104) no Hoare annotation was computed. [2022-11-16 11:02:27,572 INFO L895 garLoopResultBuilder]: At program point L832(lines 827 834) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~10#1| 1) (not (= 0 ~systemActive~0))) [2022-11-16 11:02:27,572 INFO L895 garLoopResultBuilder]: At program point L890(lines 886 892) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-16 11:02:27,572 INFO L899 garLoopResultBuilder]: For program point L560(lines 560 566) no Hoare annotation was computed. [2022-11-16 11:02:27,573 INFO L899 garLoopResultBuilder]: For program point L560-1(lines 560 566) no Hoare annotation was computed. [2022-11-16 11:02:27,573 INFO L902 garLoopResultBuilder]: At program point L973(lines 965 975) the Hoare annotation is: true [2022-11-16 11:02:27,573 INFO L895 garLoopResultBuilder]: At program point L585(lines 540 587) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse4 .cse5))) [2022-11-16 11:02:27,573 INFO L895 garLoopResultBuilder]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse4 .cse5))) [2022-11-16 11:02:27,573 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 11:02:27,574 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 11:02:27,574 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:02:27,574 INFO L899 garLoopResultBuilder]: For program point L986(lines 986 993) no Hoare annotation was computed. [2022-11-16 11:02:27,574 INFO L899 garLoopResultBuilder]: For program point L986-2(lines 986 993) no Hoare annotation was computed. [2022-11-16 11:02:27,574 INFO L895 garLoopResultBuilder]: At program point L821(lines 816 823) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse8 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse3 .cse8 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse3 .cse8 .cse4 .cse5 .cse6))) [2022-11-16 11:02:27,574 INFO L895 garLoopResultBuilder]: At program point L883(lines 879 885) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-16 11:02:27,575 INFO L902 garLoopResultBuilder]: At program point L995(lines 976 998) the Hoare annotation is: true [2022-11-16 11:02:27,575 INFO L895 garLoopResultBuilder]: At program point L962(lines 958 964) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~10#1| 1) (not (= 0 ~systemActive~0))) [2022-11-16 11:02:27,575 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 582) no Hoare annotation was computed. [2022-11-16 11:02:27,575 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:02:27,575 INFO L895 garLoopResultBuilder]: At program point L578-2(lines 570 583) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse8 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse3 .cse8 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse3 .cse8 .cse4 .cse5 .cse6))) [2022-11-16 11:02:27,576 INFO L899 garLoopResultBuilder]: For program point L541(lines 540 587) no Hoare annotation was computed. [2022-11-16 11:02:27,576 INFO L899 garLoopResultBuilder]: For program point L570(lines 570 583) no Hoare annotation was computed. [2022-11-16 11:02:27,576 INFO L895 garLoopResultBuilder]: At program point L562(line 562) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse4 .cse5))) [2022-11-16 11:02:27,576 INFO L902 garLoopResultBuilder]: At program point L591(lines 530 595) the Hoare annotation is: true [2022-11-16 11:02:27,576 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 556) no Hoare annotation was computed. [2022-11-16 11:02:27,576 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 550 556) no Hoare annotation was computed. [2022-11-16 11:02:27,577 INFO L899 garLoopResultBuilder]: For program point L542(lines 542 546) no Hoare annotation was computed. [2022-11-16 11:02:27,577 INFO L895 garLoopResultBuilder]: At program point L588(lines 539 589) the Hoare annotation is: false [2022-11-16 11:02:27,577 INFO L895 garLoopResultBuilder]: At program point L898(lines 893 901) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-16 11:02:27,577 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 637 661) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~waterLevel~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= ~pumpRunning~0 0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= 0 ~systemActive~0)) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3 .cse5) (or .cse6 .cse7 .cse2 .cse3) (or .cse6 .cse7 .cse4 .cse3 .cse5))) [2022-11-16 11:02:27,577 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 710) no Hoare annotation was computed. [2022-11-16 11:02:27,578 INFO L895 garLoopResultBuilder]: At program point L704-2(lines 697 713) the Hoare annotation is: (let ((.cse0 (not (= ~waterLevel~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or .cse5 .cse6 .cse1 .cse2) (or (and (= ~pumpRunning~0 0) .cse6 (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~6#1|) (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|)) .cse5 .cse3 .cse2 .cse4))) [2022-11-16 11:02:27,578 INFO L895 garLoopResultBuilder]: At program point L793(lines 778 796) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= ~pumpRunning~0 0)) (.cse11 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse12 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) (.cse6 (not .cse3))) (let ((.cse1 (not (= ~waterLevel~0 0))) (.cse0 (and .cse4 .cse5 .cse11 .cse13 .cse12 .cse6)) (.cse2 (not .cse13)) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (and .cse4 .cse5 (<= 2 ~waterLevel~0) .cse6)) (.cse8 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5 .cse6) .cse1 .cse7 .cse3 .cse8) (or .cse9 .cse0 .cse2 .cse10 .cse3) (or .cse9 (and .cse4 .cse5 .cse11 .cse12 .cse6) .cse7 .cse10 .cse3 .cse8))))) [2022-11-16 11:02:27,578 INFO L895 garLoopResultBuilder]: At program point L729(lines 722 732) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (not (= ~waterLevel~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse9 (not .cse2)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or .cse5 .cse1 (and .cse6 .cse7 .cse8 .cse9) .cse2) (or .cse5 (and .cse6 .cse7 .cse8 (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|) .cse9) .cse3 .cse2 .cse4)))) [2022-11-16 11:02:27,578 INFO L895 garLoopResultBuilder]: At program point L727(line 727) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (not (= ~waterLevel~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (not .cse2))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or .cse5 .cse1 .cse6 .cse2) (or .cse5 .cse3 .cse6 .cse2 .cse4)))) [2022-11-16 11:02:27,579 INFO L899 garLoopResultBuilder]: For program point L727-1(line 727) no Hoare annotation was computed. [2022-11-16 11:02:27,579 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 791) no Hoare annotation was computed. [2022-11-16 11:02:27,579 INFO L899 garLoopResultBuilder]: For program point L787-2(lines 787 791) no Hoare annotation was computed. [2022-11-16 11:02:27,579 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2022-11-16 11:02:27,579 INFO L895 garLoopResultBuilder]: At program point L651(line 651) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse8 (= ~methaneLevelCritical~0 0)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= ~pumpRunning~0 0)) (.cse11 (= |processEnvironment__wrappee__highWaterSensor_~tmp~4#1| 0)) (.cse12 (not .cse3))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and .cse9 .cse10 .cse11 .cse12)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (and .cse9 .cse10 .cse11 .cse8 .cse12)) (.cse7 (not (= ~waterLevel~0 0))) (.cse2 (not .cse8))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3 .cse6) (or .cse7 .cse4 .cse5 .cse3 .cse6) (or .cse1 .cse7 .cse2 .cse3))))) [2022-11-16 11:02:27,580 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 653) no Hoare annotation was computed. [2022-11-16 11:02:27,580 INFO L899 garLoopResultBuilder]: For program point L641(lines 641 658) no Hoare annotation was computed. [2022-11-16 11:02:27,580 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 637 661) no Hoare annotation was computed. [2022-11-16 11:02:27,580 INFO L895 garLoopResultBuilder]: At program point L693(lines 688 695) the Hoare annotation is: (let ((.cse0 (not (= ~waterLevel~0 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or .cse5 .cse3 .cse2 .cse4) (or .cse5 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2022-11-16 11:02:27,580 INFO L895 garLoopResultBuilder]: At program point L146(lines 137 150) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~systemActive~0)) (.cse10 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)) (.cse11 (= ~methaneLevelCritical~0 0))) (let ((.cse0 (not (= ~waterLevel~0 0))) (.cse7 (not .cse11)) (.cse9 (and .cse2 .cse3 .cse11 (not .cse4) .cse10)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (and .cse3 (<= 2 ~waterLevel~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse4 .cse9) (or .cse0 .cse7 .cse4 .cse9) (or .cse6 (and .cse3 .cse10) .cse1 .cse8 .cse4 .cse5)))) [2022-11-16 11:02:27,581 INFO L895 garLoopResultBuilder]: At program point L656(line 656) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (= ~waterLevel~0 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or .cse5 .cse6 .cse1 .cse2) (or .cse5 .cse6 .cse3 .cse2 .cse4))) [2022-11-16 11:02:27,581 INFO L899 garLoopResultBuilder]: For program point L656-1(lines 637 661) no Hoare annotation was computed. [2022-11-16 11:02:27,581 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 72 83) no Hoare annotation was computed. [2022-11-16 11:02:27,581 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2022-11-16 11:02:27,581 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 72 83) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or .cse4 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2022-11-16 11:02:27,585 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:02:27,588 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:02:27,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:02:27 BoogieIcfgContainer [2022-11-16 11:02:27,652 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:02:27,652 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:02:27,652 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:02:27,653 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:02:27,653 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:02:07" (3/4) ... [2022-11-16 11:02:27,656 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:02:27,664 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-16 11:02:27,664 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 11:02:27,664 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 11:02:27,664 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 11:02:27,664 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-16 11:02:27,665 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 11:02:27,665 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 11:02:27,681 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2022-11-16 11:02:27,682 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 11:02:27,683 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 11:02:27,683 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 11:02:27,684 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:02:27,684 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:02:27,685 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:02:27,720 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-16 11:02:27,721 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) [2022-11-16 11:02:27,721 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) [2022-11-16 11:02:27,721 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || ((((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) [2022-11-16 11:02:27,722 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(methaneLevelCritical == 0) || 0 == systemActive) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel))) && ((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-16 11:02:27,723 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime) && !(0 == systemActive))) || 0 == systemActive) || (((methaneLevelCritical == 0 && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime) && !(0 == systemActive))) || 0 == systemActive)) && ((((((((1 <= tmp && 1 <= \result) && 1 <= tmp___0) && ((((((\result == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)))) || (((methaneLevelCritical == 0 && 2 <= waterLevel) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && ((((((\result == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive))))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || (((1 <= tmp && (((((\result == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && \old(waterLevel) <= waterLevel + 1) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)))) && 1 <= \result) && 1 <= tmp___0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && (((((\result == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && \old(waterLevel) <= waterLevel + 1) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive))))) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-16 11:02:27,723 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || (((((methaneLevelCritical == 0 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) [2022-11-16 11:02:27,724 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || 0 == systemActive)) && ((((((((methAndRunningLastTime == 0 && 2 <= waterLevel) && tmp == 0) && \old(waterLevel) <= waterLevel + 1) || (pumpRunning == \old(pumpRunning) && (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) || (((((((\result == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))))) || (((1 <= tmp && (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) || (((((((\result == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))))) && 1 <= \result) && 1 <= tmp___0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || (((((((1 <= tmp && \result == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-16 11:02:27,724 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(waterLevel == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((!(waterLevel == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && !(0 == systemActive))) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && methaneLevelCritical <= \result) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) [2022-11-16 11:02:27,724 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || 0 == systemActive) && ((!(methaneLevelCritical == 0) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((((((((((((1 <= tmp && \result == 0) && pumpRunning == 0) && \result == 0) && tmp == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-16 11:02:27,725 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && \result == 0) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(methaneLevelCritical == 0) || 0 == systemActive) || ((pumpRunning == \old(pumpRunning) && \result == 0) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-16 11:02:27,725 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(waterLevel == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((!(waterLevel == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && (((((((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= tmp) && methaneLevelCritical <= \result) || !(\old(pumpRunning) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) [2022-11-16 11:02:27,726 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(waterLevel == 0) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) && ((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 1))) && (((!(waterLevel == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 1))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) [2022-11-16 11:02:27,726 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(waterLevel == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((!(waterLevel == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-16 11:02:27,727 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(methaneLevelCritical == 0) || (((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= methaneLevelCritical)) || ((((((pumpRunning == \old(pumpRunning) && \result == 0) && methAndRunningLastTime == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-16 11:02:27,727 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(methaneLevelCritical == 0) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(methAndRunningLastTime) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-16 11:02:27,727 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && \result == 0) && !(0 == systemActive)) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive)) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && ((((!(\old(pumpRunning) == 0) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && \result == 0) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && !(0 == systemActive))) || 0 == systemActive)) && (((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && !(0 == systemActive))) || 0 == systemActive) || !(methAndRunningLastTime == 0)) [2022-11-16 11:02:27,727 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(methaneLevelCritical == 0) || ((((((1 <= tmp && \result == 0) && pumpRunning == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= methaneLevelCritical)) || ((((((1 <= tmp && \result == 0) && pumpRunning == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-16 11:02:27,759 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:02:27,766 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:02:27,767 INFO L158 Benchmark]: Toolchain (without parser) took 21197.07ms. Allocated memory was 100.7MB in the beginning and 226.5MB in the end (delta: 125.8MB). Free memory was 59.5MB in the beginning and 103.4MB in the end (delta: -43.9MB). Peak memory consumption was 81.3MB. Max. memory is 16.1GB. [2022-11-16 11:02:27,768 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:02:27,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 546.58ms. Allocated memory is still 100.7MB. Free memory was 59.3MB in the beginning and 67.5MB in the end (delta: -8.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:02:27,768 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.72ms. Allocated memory is still 100.7MB. Free memory was 67.5MB in the beginning and 64.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:02:27,769 INFO L158 Benchmark]: Boogie Preprocessor took 32.00ms. Allocated memory is still 100.7MB. Free memory was 64.9MB in the beginning and 63.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:02:27,769 INFO L158 Benchmark]: RCFGBuilder took 676.19ms. Allocated memory is still 100.7MB. Free memory was 63.1MB in the beginning and 43.6MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 11:02:27,770 INFO L158 Benchmark]: TraceAbstraction took 19736.23ms. Allocated memory was 100.7MB in the beginning and 226.5MB in the end (delta: 125.8MB). Free memory was 42.9MB in the beginning and 109.7MB in the end (delta: -66.8MB). Peak memory consumption was 102.6MB. Max. memory is 16.1GB. [2022-11-16 11:02:27,771 INFO L158 Benchmark]: Witness Printer took 114.31ms. Allocated memory is still 226.5MB. Free memory was 109.7MB in the beginning and 103.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 11:02:27,773 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 546.58ms. Allocated memory is still 100.7MB. Free memory was 59.3MB in the beginning and 67.5MB in the end (delta: -8.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.72ms. Allocated memory is still 100.7MB. Free memory was 67.5MB in the beginning and 64.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.00ms. Allocated memory is still 100.7MB. Free memory was 64.9MB in the beginning and 63.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 676.19ms. Allocated memory is still 100.7MB. Free memory was 63.1MB in the beginning and 43.6MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 19736.23ms. Allocated memory was 100.7MB in the beginning and 226.5MB in the end (delta: 125.8MB). Free memory was 42.9MB in the beginning and 109.7MB in the end (delta: -66.8MB). Peak memory consumption was 102.6MB. Max. memory is 16.1GB. * Witness Printer took 114.31ms. Allocated memory is still 226.5MB. Free memory was 109.7MB in the beginning and 103.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1004]: 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, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.6s, OverallIterations: 13, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2617 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2582 mSDsluCounter, 3711 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2583 mSDsCounter, 985 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4407 IncrementalHoareTripleChecker+Invalid, 5392 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 985 mSolverCounterUnsat, 1128 mSDtfsCounter, 4407 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 743 GetRequests, 588 SyntacticMatches, 5 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 751 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1075occurred in iteration=12, InterpolantAutomatonStates: 133, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 13 MinimizatonAttempts, 804 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 1831 PreInvPairs, 2107 NumberOfFragments, 3377 HoareAnnotationTreeSize, 1831 FomulaSimplifications, 264 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 44 FomulaSimplificationsInter, 18064 FormulaSimplificationTreeSizeReductionInter, 6.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1128 NumberOfCodeBlocks, 1128 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1253 ConstructedInterpolants, 0 QuantifiedInterpolants, 2449 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1471 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 435/478 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: 827]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: ((((!(waterLevel == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((!(waterLevel == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 663]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime) && !(0 == systemActive))) || 0 == systemActive) || (((methaneLevelCritical == 0 && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime) && !(0 == systemActive))) || 0 == systemActive)) && ((((((((1 <= tmp && 1 <= \result) && 1 <= tmp___0) && ((((((\result == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)))) || (((methaneLevelCritical == 0 && 2 <= waterLevel) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && ((((((\result == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive))))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || (((1 <= tmp && (((((\result == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && \old(waterLevel) <= waterLevel + 1) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)))) && 1 <= \result) && 1 <= tmp___0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && (((((\result == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && \old(waterLevel) <= waterLevel + 1) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= methaneLevelCritical) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive))))) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: ((((!(waterLevel == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((!(waterLevel == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && (((((((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= tmp) && methaneLevelCritical <= \result) || !(\old(pumpRunning) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || ((((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || 0 == systemActive)) && ((((((((methAndRunningLastTime == 0 && 2 <= waterLevel) && tmp == 0) && \old(waterLevel) <= waterLevel + 1) || (pumpRunning == \old(pumpRunning) && (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) || (((((((\result == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))))) || (((1 <= tmp && (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) || (((((((\result == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 0) && \old(waterLevel) <= waterLevel + 1) && !(0 == systemActive)) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))))) && 1 <= \result) && 1 <= tmp___0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((((!(\old(methAndRunningLastTime) == 0) || (((((((1 <= tmp && \result == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 1000]: Loop Invariant Derived loop invariant: ((((!(methaneLevelCritical == 0) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(methAndRunningLastTime) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || 0 == systemActive) && ((!(methaneLevelCritical == 0) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((((((((((((1 <= tmp && \result == 0) && pumpRunning == 0) && \result == 0) && tmp == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: (((((!(methaneLevelCritical == 0) || ((((((1 <= tmp && \result == 0) && pumpRunning == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= methaneLevelCritical)) || ((((((1 <= tmp && \result == 0) && pumpRunning == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: ((((!(waterLevel == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && (((!(waterLevel == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && !(0 == systemActive))) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && methaneLevelCritical <= \result) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: (((((!(methaneLevelCritical == 0) || (((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= methaneLevelCritical)) || ((((((pumpRunning == \old(pumpRunning) && \result == 0) && methAndRunningLastTime == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || (((((methaneLevelCritical == 0 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: (((((!(methaneLevelCritical == 0) || 0 == systemActive) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel))) && ((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && \result == 0) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(methaneLevelCritical == 0) || 0 == systemActive) || ((pumpRunning == \old(pumpRunning) && \result == 0) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((!(waterLevel == 0) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) && ((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 1))) && (((!(waterLevel == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 1))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 965]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: ((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && \result == 0) && !(0 == systemActive)) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive)) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0))) && ((((!(\old(pumpRunning) == 0) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && \result == 0) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && !(0 == systemActive))) || 0 == systemActive)) && (((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && !(0 == systemActive))) || 0 == systemActive) || !(methAndRunningLastTime == 0)) RESULT: Ultimate proved your program to be correct! [2022-11-16 11:02:27,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e08319-e7b4-4e53-ba65-cbfefc255aef/bin/uautomizer-tPACEb0tL8/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