./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro --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 af2afe79961dd67a52df68c35bd4350c760cf29ba0bba6313951f2194d2dea76 --- 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-8393723 [2022-11-18 19:57:47,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:57:47,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:57:47,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:57:47,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:57:47,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:57:47,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:57:47,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:57:47,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:57:47,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:57:47,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:57:47,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:57:47,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:57:47,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:57:47,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:57:47,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:57:47,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:57:47,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:57:47,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:57:47,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:57:47,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:57:47,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:57:47,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:57:47,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:57:47,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:57:47,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:57:47,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:57:47,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:57:47,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:57:47,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:57:47,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:57:47,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:57:47,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:57:47,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:57:47,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:57:47,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:57:47,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:57:47,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:57:47,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:57:47,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:57:47,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:57:47,688 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 19:57:47,726 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:57:47,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:57:47,726 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:57:47,726 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:57:47,731 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:57:47,731 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:57:47,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:57:47,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:57:47,732 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:57:47,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:57:47,733 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:57:47,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:57:47,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:57:47,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:57:47,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:57:47,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:57:47,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:57:47,734 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:57:47,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:57:47,735 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:57:47,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:57:47,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:57:47,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:57:47,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:57:47,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:57:47,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:57:47,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:57:47,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:57:47,738 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:57:47,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:57:47,738 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:57:47,739 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:57:47,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:57:47,739 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_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af2afe79961dd67a52df68c35bd4350c760cf29ba0bba6313951f2194d2dea76 [2022-11-18 19:57:48,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:57:48,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:57:48,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:57:48,062 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:57:48,063 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:57:48,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c [2022-11-18 19:57:48,132 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/data/af057386e/9682e11b8cd045b8b649555858caa547/FLAG31d2dc3b3 [2022-11-18 19:57:48,755 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:57:48,759 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c [2022-11-18 19:57:48,777 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/data/af057386e/9682e11b8cd045b8b649555858caa547/FLAG31d2dc3b3 [2022-11-18 19:57:49,041 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/data/af057386e/9682e11b8cd045b8b649555858caa547 [2022-11-18 19:57:49,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:57:49,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:57:49,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:57:49,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:57:49,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:57:49,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:57:49" (1/1) ... [2022-11-18 19:57:49,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@362e6bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:49, skipping insertion in model container [2022-11-18 19:57:49,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:57:49" (1/1) ... [2022-11-18 19:57:49,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:57:49,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:57:49,483 WARN L234 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_27bd76d7-1269-4763-b314-2858c164339f/sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c[19335,19348] [2022-11-18 19:57:49,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:57:49,504 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:57:49,614 WARN L234 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_27bd76d7-1269-4763-b314-2858c164339f/sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c[19335,19348] [2022-11-18 19:57:49,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:57:49,632 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:57:49,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:49 WrapperNode [2022-11-18 19:57:49,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:57:49,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:57:49,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:57:49,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:57:49,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:49" (1/1) ... [2022-11-18 19:57:49,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:49" (1/1) ... [2022-11-18 19:57:49,693 INFO L138 Inliner]: procedures = 58, calls = 104, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 224 [2022-11-18 19:57:49,693 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:57:49,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:57:49,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:57:49,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:57:49,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:49" (1/1) ... [2022-11-18 19:57:49,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:49" (1/1) ... [2022-11-18 19:57:49,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:49" (1/1) ... [2022-11-18 19:57:49,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:49" (1/1) ... [2022-11-18 19:57:49,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:49" (1/1) ... [2022-11-18 19:57:49,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:49" (1/1) ... [2022-11-18 19:57:49,718 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:49" (1/1) ... [2022-11-18 19:57:49,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:49" (1/1) ... [2022-11-18 19:57:49,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:57:49,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:57:49,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:57:49,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:57:49,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:49" (1/1) ... [2022-11-18 19:57:49,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:57:49,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:57:49,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:57:49,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:57:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:57:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-18 19:57:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-18 19:57:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-18 19:57:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-18 19:57:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-18 19:57:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-18 19:57:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-18 19:57:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-18 19:57:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-18 19:57:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-18 19:57:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-18 19:57:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-18 19:57:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-18 19:57:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-18 19:57:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-18 19:57:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-18 19:57:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:57:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-18 19:57:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-18 19:57:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:57:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:57:49,948 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:57:49,951 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:57:50,418 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:57:50,426 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:57:50,426 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 19:57:50,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:57:50 BoogieIcfgContainer [2022-11-18 19:57:50,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:57:50,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:57:50,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:57:50,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:57:50,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:57:49" (1/3) ... [2022-11-18 19:57:50,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ca2921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:57:50, skipping insertion in model container [2022-11-18 19:57:50,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:57:49" (2/3) ... [2022-11-18 19:57:50,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ca2921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:57:50, skipping insertion in model container [2022-11-18 19:57:50,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:57:50" (3/3) ... [2022-11-18 19:57:50,441 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54.cil.c [2022-11-18 19:57:50,464 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:57:50,464 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:57:50,535 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:57:50,555 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;@69dbefd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:57:50,556 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:57:50,561 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 76 states have (on average 1.381578947368421) internal successors, (105), 86 states have internal predecessors, (105), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-18 19:57:50,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-18 19:57:50,575 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:50,583 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] [2022-11-18 19:57:50,584 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:50,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:50,592 INFO L85 PathProgramCache]: Analyzing trace with hash 244440816, now seen corresponding path program 1 times [2022-11-18 19:57:50,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:50,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8547597] [2022-11-18 19:57:50,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:50,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:50,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 19:57:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:50,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:57:50,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:50,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8547597] [2022-11-18 19:57:50,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8547597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:50,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:50,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:57:50,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47053472] [2022-11-18 19:57:50,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:50,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 19:57:50,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:50,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 19:57:50,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 19:57:50,905 INFO L87 Difference]: Start difference. First operand has 103 states, 76 states have (on average 1.381578947368421) internal successors, (105), 86 states have internal predecessors, (105), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:57:50,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:50,950 INFO L93 Difference]: Finished difference Result 197 states and 268 transitions. [2022-11-18 19:57:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 19:57:50,952 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 [2022-11-18 19:57:50,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:50,961 INFO L225 Difference]: With dead ends: 197 [2022-11-18 19:57:50,962 INFO L226 Difference]: Without dead ends: 94 [2022-11-18 19:57:50,966 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 [2022-11-18 19:57:50,971 INFO L413 NwaCegarLoop]: 131 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, 131 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 [2022-11-18 19:57:50,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:57:50,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-18 19:57:51,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2022-11-18 19:57:51,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 69 states have (on average 1.318840579710145) internal successors, (91), 78 states have internal predecessors, (91), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-18 19:57:51,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2022-11-18 19:57:51,055 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 25 [2022-11-18 19:57:51,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:51,055 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2022-11-18 19:57:51,056 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) [2022-11-18 19:57:51,056 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2022-11-18 19:57:51,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-18 19:57:51,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:51,064 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] [2022-11-18 19:57:51,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:57:51,065 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:51,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:51,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1307515066, now seen corresponding path program 1 times [2022-11-18 19:57:51,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:51,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415092867] [2022-11-18 19:57:51,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:51,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:51,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 19:57:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:51,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:57:51,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:51,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415092867] [2022-11-18 19:57:51,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415092867] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:51,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:51,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:57:51,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47575800] [2022-11-18 19:57:51,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:51,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:57:51,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:51,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:57:51,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:57:51,210 INFO L87 Difference]: Start difference. First operand 94 states and 122 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) [2022-11-18 19:57:51,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:51,245 INFO L93 Difference]: Finished difference Result 152 states and 198 transitions. [2022-11-18 19:57:51,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:57:51,249 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 [2022-11-18 19:57:51,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:51,251 INFO L225 Difference]: With dead ends: 152 [2022-11-18 19:57:51,251 INFO L226 Difference]: Without dead ends: 85 [2022-11-18 19:57:51,252 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 [2022-11-18 19:57:51,255 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 13 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 201 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 [2022-11-18 19:57:51,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 201 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:57:51,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-18 19:57:51,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-11-18 19:57:51,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 72 states have internal predecessors, (84), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-18 19:57:51,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 110 transitions. [2022-11-18 19:57:51,278 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 110 transitions. Word has length 26 [2022-11-18 19:57:51,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:51,278 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 110 transitions. [2022-11-18 19:57:51,280 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) [2022-11-18 19:57:51,280 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2022-11-18 19:57:51,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-18 19:57:51,284 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:51,285 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] [2022-11-18 19:57:51,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:57:51,285 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:51,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:51,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1771610293, now seen corresponding path program 1 times [2022-11-18 19:57:51,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:51,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31548422] [2022-11-18 19:57:51,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:51,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:51,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 19:57:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:51,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:57:51,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:51,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31548422] [2022-11-18 19:57:51,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31548422] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:51,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:51,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:57:51,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004027731] [2022-11-18 19:57:51,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:51,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:57:51,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:51,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:57:51,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:57:51,506 INFO L87 Difference]: Start difference. First operand 85 states and 110 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) [2022-11-18 19:57:51,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:51,574 INFO L93 Difference]: Finished difference Result 162 states and 213 transitions. [2022-11-18 19:57:51,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:57:51,575 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 [2022-11-18 19:57:51,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:51,576 INFO L225 Difference]: With dead ends: 162 [2022-11-18 19:57:51,577 INFO L226 Difference]: Without dead ends: 85 [2022-11-18 19:57:51,577 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 [2022-11-18 19:57:51,579 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 137 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 275 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 [2022-11-18 19:57:51,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 275 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:57:51,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-18 19:57:51,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-11-18 19:57:51,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 72 states have internal predecessors, (83), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-18 19:57:51,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 109 transitions. [2022-11-18 19:57:51,591 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 109 transitions. Word has length 31 [2022-11-18 19:57:51,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:51,592 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 109 transitions. [2022-11-18 19:57:51,592 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) [2022-11-18 19:57:51,592 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 109 transitions. [2022-11-18 19:57:51,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-18 19:57:51,594 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:51,594 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] [2022-11-18 19:57:51,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:57:51,595 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:51,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:51,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1359704802, now seen corresponding path program 1 times [2022-11-18 19:57:51,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:51,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115260450] [2022-11-18 19:57:51,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:51,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:51,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 19:57:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:51,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-18 19:57:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:51,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 19:57:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:51,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 19:57:51,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:51,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115260450] [2022-11-18 19:57:51,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115260450] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:51,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:51,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 19:57:51,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998928418] [2022-11-18 19:57:51,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:51,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 19:57:51,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:51,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 19:57:51,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 19:57:51,692 INFO L87 Difference]: Start difference. First operand 85 states and 109 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-18 19:57:51,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:51,892 INFO L93 Difference]: Finished difference Result 242 states and 316 transitions. [2022-11-18 19:57:51,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:57:51,893 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2022-11-18 19:57:51,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:51,898 INFO L225 Difference]: With dead ends: 242 [2022-11-18 19:57:51,898 INFO L226 Difference]: Without dead ends: 165 [2022-11-18 19:57:51,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:57:51,908 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 167 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:51,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 223 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 19:57:51,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-18 19:57:51,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 159. [2022-11-18 19:57:51,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 119 states have (on average 1.2941176470588236) internal successors, (154), 127 states have internal predecessors, (154), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2022-11-18 19:57:51,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 203 transitions. [2022-11-18 19:57:51,956 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 203 transitions. Word has length 44 [2022-11-18 19:57:51,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:51,956 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 203 transitions. [2022-11-18 19:57:51,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-18 19:57:51,957 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 203 transitions. [2022-11-18 19:57:51,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-18 19:57:51,963 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:51,963 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:51,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:57:51,964 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:51,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:51,965 INFO L85 PathProgramCache]: Analyzing trace with hash 179521665, now seen corresponding path program 1 times [2022-11-18 19:57:51,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:51,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322281969] [2022-11-18 19:57:51,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:51,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:52,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 19:57:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:52,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:52,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 19:57:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:52,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:57:52,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:52,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322281969] [2022-11-18 19:57:52,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322281969] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:52,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:52,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:57:52,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689867964] [2022-11-18 19:57:52,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:52,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:57:52,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:52,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:57:52,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:57:52,214 INFO L87 Difference]: Start difference. First operand 159 states and 203 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 19:57:52,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:52,440 INFO L93 Difference]: Finished difference Result 318 states and 414 transitions. [2022-11-18 19:57:52,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:57:52,440 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2022-11-18 19:57:52,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:52,445 INFO L225 Difference]: With dead ends: 318 [2022-11-18 19:57:52,446 INFO L226 Difference]: Without dead ends: 167 [2022-11-18 19:57:52,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:57:52,450 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 70 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:52,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 429 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:57:52,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-11-18 19:57:52,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 162. [2022-11-18 19:57:52,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 122 states have (on average 1.2868852459016393) internal successors, (157), 130 states have internal predecessors, (157), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2022-11-18 19:57:52,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 206 transitions. [2022-11-18 19:57:52,495 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 206 transitions. Word has length 50 [2022-11-18 19:57:52,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:52,498 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 206 transitions. [2022-11-18 19:57:52,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 19:57:52,498 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 206 transitions. [2022-11-18 19:57:52,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-18 19:57:52,502 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:52,502 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:52,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:57:52,503 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:52,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:52,503 INFO L85 PathProgramCache]: Analyzing trace with hash 602223491, now seen corresponding path program 1 times [2022-11-18 19:57:52,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:52,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125794773] [2022-11-18 19:57:52,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:52,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:52,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 19:57:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:52,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:52,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 19:57:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:52,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:57:52,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:52,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125794773] [2022-11-18 19:57:52,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125794773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:52,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:52,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:57:52,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408330332] [2022-11-18 19:57:52,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:52,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:57:52,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:52,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:57:52,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:57:52,690 INFO L87 Difference]: Start difference. First operand 162 states and 206 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 19:57:52,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:52,847 INFO L93 Difference]: Finished difference Result 326 states and 428 transitions. [2022-11-18 19:57:52,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:57:52,848 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 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 50 [2022-11-18 19:57:52,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:52,851 INFO L225 Difference]: With dead ends: 326 [2022-11-18 19:57:52,851 INFO L226 Difference]: Without dead ends: 172 [2022-11-18 19:57:52,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:57:52,854 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 73 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:52,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 334 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:57:52,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-11-18 19:57:52,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 164. [2022-11-18 19:57:52,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 124 states have (on average 1.282258064516129) internal successors, (159), 132 states have internal predecessors, (159), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2022-11-18 19:57:52,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 208 transitions. [2022-11-18 19:57:52,890 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 208 transitions. Word has length 50 [2022-11-18 19:57:52,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:52,891 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 208 transitions. [2022-11-18 19:57:52,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 19:57:52,891 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 208 transitions. [2022-11-18 19:57:52,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-18 19:57:52,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:52,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:52,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 19:57:52,894 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:52,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:52,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1203214843, now seen corresponding path program 1 times [2022-11-18 19:57:52,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:52,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120856613] [2022-11-18 19:57:52,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:52,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:52,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 19:57:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:52,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:53,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 19:57:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:53,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:57:53,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:53,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120856613] [2022-11-18 19:57:53,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120856613] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:53,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:53,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:57:53,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852424776] [2022-11-18 19:57:53,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:53,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:57:53,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:53,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:57:53,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:57:53,012 INFO L87 Difference]: Start difference. First operand 164 states and 208 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-18 19:57:53,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:53,329 INFO L93 Difference]: Finished difference Result 458 states and 602 transitions. [2022-11-18 19:57:53,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:57:53,329 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 50 [2022-11-18 19:57:53,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:53,332 INFO L225 Difference]: With dead ends: 458 [2022-11-18 19:57:53,332 INFO L226 Difference]: Without dead ends: 302 [2022-11-18 19:57:53,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:57:53,333 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 223 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:53,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 347 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 19:57:53,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2022-11-18 19:57:53,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 294. [2022-11-18 19:57:53,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 221 states have (on average 1.257918552036199) internal successors, (278), 233 states have internal predecessors, (278), 36 states have call successors, (36), 33 states have call predecessors, (36), 36 states have return successors, (62), 37 states have call predecessors, (62), 36 states have call successors, (62) [2022-11-18 19:57:53,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 376 transitions. [2022-11-18 19:57:53,364 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 376 transitions. Word has length 50 [2022-11-18 19:57:53,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:53,365 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 376 transitions. [2022-11-18 19:57:53,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-18 19:57:53,365 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 376 transitions. [2022-11-18 19:57:53,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-18 19:57:53,366 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:53,366 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:53,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 19:57:53,367 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:53,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:53,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1971090006, now seen corresponding path program 1 times [2022-11-18 19:57:53,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:53,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490545058] [2022-11-18 19:57:53,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:53,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:53,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 19:57:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:53,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:53,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:57:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:53,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:57:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:53,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:57:53,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:53,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490545058] [2022-11-18 19:57:53,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490545058] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:53,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:53,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:57:53,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341600287] [2022-11-18 19:57:53,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:53,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:57:53,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:53,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:57:53,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:57:53,479 INFO L87 Difference]: Start difference. First operand 294 states and 376 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 19:57:53,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:53,766 INFO L93 Difference]: Finished difference Result 596 states and 775 transitions. [2022-11-18 19:57:53,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 19:57:53,767 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2022-11-18 19:57:53,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:53,769 INFO L225 Difference]: With dead ends: 596 [2022-11-18 19:57:53,769 INFO L226 Difference]: Without dead ends: 310 [2022-11-18 19:57:53,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:57:53,771 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 152 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:53,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 386 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 19:57:53,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2022-11-18 19:57:53,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 290. [2022-11-18 19:57:53,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 217 states have (on average 1.2258064516129032) internal successors, (266), 229 states have internal predecessors, (266), 36 states have call successors, (36), 33 states have call predecessors, (36), 36 states have return successors, (62), 37 states have call predecessors, (62), 36 states have call successors, (62) [2022-11-18 19:57:53,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 364 transitions. [2022-11-18 19:57:53,815 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 364 transitions. Word has length 52 [2022-11-18 19:57:53,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:53,816 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 364 transitions. [2022-11-18 19:57:53,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 19:57:53,816 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 364 transitions. [2022-11-18 19:57:53,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-18 19:57:53,817 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:53,817 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:53,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 19:57:53,818 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:53,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:53,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1743345695, now seen corresponding path program 1 times [2022-11-18 19:57:53,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:53,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911274291] [2022-11-18 19:57:53,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:53,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:53,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:57:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:53,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 19:57:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:53,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:53,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 19:57:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:53,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:57:53,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:53,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911274291] [2022-11-18 19:57:53,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911274291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:53,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:57:53,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:57:53,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756107714] [2022-11-18 19:57:53,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:53,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:57:53,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:53,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:57:53,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:57:53,907 INFO L87 Difference]: Start difference. First operand 290 states and 364 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 19:57:54,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:54,322 INFO L93 Difference]: Finished difference Result 594 states and 792 transitions. [2022-11-18 19:57:54,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:57:54,323 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-11-18 19:57:54,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:54,327 INFO L225 Difference]: With dead ends: 594 [2022-11-18 19:57:54,328 INFO L226 Difference]: Without dead ends: 592 [2022-11-18 19:57:54,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:57:54,331 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 328 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:54,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 225 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 19:57:54,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2022-11-18 19:57:54,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 528. [2022-11-18 19:57:54,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 393 states have (on average 1.2340966921119594) internal successors, (485), 420 states have internal predecessors, (485), 70 states have call successors, (70), 51 states have call predecessors, (70), 64 states have return successors, (156), 70 states have call predecessors, (156), 70 states have call successors, (156) [2022-11-18 19:57:54,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 711 transitions. [2022-11-18 19:57:54,407 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 711 transitions. Word has length 54 [2022-11-18 19:57:54,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:54,409 INFO L495 AbstractCegarLoop]: Abstraction has 528 states and 711 transitions. [2022-11-18 19:57:54,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 19:57:54,410 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 711 transitions. [2022-11-18 19:57:54,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-18 19:57:54,412 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:54,413 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:57:54,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 19:57:54,424 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:54,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:54,425 INFO L85 PathProgramCache]: Analyzing trace with hash 2104240770, now seen corresponding path program 1 times [2022-11-18 19:57:54,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:54,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129901924] [2022-11-18 19:57:54,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:54,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:57:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 19:57:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:57:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:57:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 19:57:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 19:57:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,622 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-18 19:57:54,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:54,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129901924] [2022-11-18 19:57:54,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129901924] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:57:54,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808869758] [2022-11-18 19:57:54,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:54,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:57:54,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:57:54,626 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:57:54,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 19:57:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:54,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:57:54,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:57:54,866 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:57:54,867 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:57:54,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808869758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:57:54,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:57:54,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9 [2022-11-18 19:57:54,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331167084] [2022-11-18 19:57:54,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:57:54,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:57:54,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:54,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:57:54,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:57:54,869 INFO L87 Difference]: Start difference. First operand 528 states and 711 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-18 19:57:54,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:57:54,934 INFO L93 Difference]: Finished difference Result 899 states and 1241 transitions. [2022-11-18 19:57:54,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:57:54,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 98 [2022-11-18 19:57:54,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:57:54,937 INFO L225 Difference]: With dead ends: 899 [2022-11-18 19:57:54,937 INFO L226 Difference]: Without dead ends: 433 [2022-11-18 19:57:54,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:57:54,940 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 51 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:57:54,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 222 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:57:54,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2022-11-18 19:57:55,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2022-11-18 19:57:55,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 322 states have (on average 1.2111801242236024) internal successors, (390), 345 states have internal predecessors, (390), 58 states have call successors, (58), 44 states have call predecessors, (58), 52 states have return successors, (90), 57 states have call predecessors, (90), 58 states have call successors, (90) [2022-11-18 19:57:55,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 538 transitions. [2022-11-18 19:57:55,057 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 538 transitions. Word has length 98 [2022-11-18 19:57:55,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:57:55,058 INFO L495 AbstractCegarLoop]: Abstraction has 433 states and 538 transitions. [2022-11-18 19:57:55,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-18 19:57:55,058 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 538 transitions. [2022-11-18 19:57:55,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-18 19:57:55,060 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:57:55,061 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-18 19:57:55,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-18 19:57:55,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:57:55,267 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:57:55,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:57:55,267 INFO L85 PathProgramCache]: Analyzing trace with hash 192141936, now seen corresponding path program 1 times [2022-11-18 19:57:55,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:57:55,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697058609] [2022-11-18 19:57:55,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:55,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:57:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:55,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:57:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:55,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 19:57:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:55,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:57:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:55,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:55,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:57:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:55,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-18 19:57:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:55,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-18 19:57:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:55,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:57:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:55,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:57:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:55,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 19:57:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:55,604 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-18 19:57:55,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:57:55,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697058609] [2022-11-18 19:57:55,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697058609] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:57:55,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796579791] [2022-11-18 19:57:55,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:57:55,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:57:55,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:57:55,607 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:57:55,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 19:57:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:57:55,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 19:57:55,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:57:55,909 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:57:55,909 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:57:56,229 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-18 19:57:56,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796579791] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:57:56,230 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:57:56,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 7] total 18 [2022-11-18 19:57:56,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635748709] [2022-11-18 19:57:56,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:57:56,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-18 19:57:56,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:57:56,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-18 19:57:56,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2022-11-18 19:57:56,232 INFO L87 Difference]: Start difference. First operand 433 states and 538 transitions. Second operand has 18 states, 18 states have (on average 9.38888888888889) internal successors, (169), 14 states have internal predecessors, (169), 7 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (24), 8 states have call predecessors, (24), 7 states have call successors, (24) [2022-11-18 19:58:01,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:58:01,118 INFO L93 Difference]: Finished difference Result 2106 states and 2835 transitions. [2022-11-18 19:58:01,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-11-18 19:58:01,119 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 9.38888888888889) internal successors, (169), 14 states have internal predecessors, (169), 7 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (24), 8 states have call predecessors, (24), 7 states have call successors, (24) Word has length 108 [2022-11-18 19:58:01,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:58:01,128 INFO L225 Difference]: With dead ends: 2106 [2022-11-18 19:58:01,128 INFO L226 Difference]: Without dead ends: 1681 [2022-11-18 19:58:01,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 253 SyntacticMatches, 3 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3648 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1232, Invalid=9070, Unknown=0, NotChecked=0, Total=10302 [2022-11-18 19:58:01,135 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 1849 mSDsluCounter, 1759 mSDsCounter, 0 mSdLazyCounter, 3622 mSolverCounterSat, 989 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1857 SdHoareTripleChecker+Valid, 2038 SdHoareTripleChecker+Invalid, 4611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 989 IncrementalHoareTripleChecker+Valid, 3622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:58:01,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1857 Valid, 2038 Invalid, 4611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [989 Valid, 3622 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-18 19:58:01,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2022-11-18 19:58:01,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 1402. [2022-11-18 19:58:01,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1402 states, 1031 states have (on average 1.1677982541222114) internal successors, (1204), 1096 states have internal predecessors, (1204), 192 states have call successors, (192), 149 states have call predecessors, (192), 178 states have return successors, (311), 190 states have call predecessors, (311), 192 states have call successors, (311) [2022-11-18 19:58:01,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1402 states and 1707 transitions. [2022-11-18 19:58:01,303 INFO L78 Accepts]: Start accepts. Automaton has 1402 states and 1707 transitions. Word has length 108 [2022-11-18 19:58:01,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:58:01,304 INFO L495 AbstractCegarLoop]: Abstraction has 1402 states and 1707 transitions. [2022-11-18 19:58:01,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.38888888888889) internal successors, (169), 14 states have internal predecessors, (169), 7 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (24), 8 states have call predecessors, (24), 7 states have call successors, (24) [2022-11-18 19:58:01,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 1707 transitions. [2022-11-18 19:58:01,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-18 19:58:01,307 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:58:01,307 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:58:01,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 19:58:01,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-18 19:58:01,513 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:58:01,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:01,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1625453290, now seen corresponding path program 1 times [2022-11-18 19:58:01,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:01,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488000593] [2022-11-18 19:58:01,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:01,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:01,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:58:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:01,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 19:58:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:01,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 19:58:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:01,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:58:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:01,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:58:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:01,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 19:58:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:01,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-18 19:58:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:01,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 19:58:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:01,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:58:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:01,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:58:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:01,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 19:58:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:01,717 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-18 19:58:01,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:01,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488000593] [2022-11-18 19:58:01,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488000593] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:58:01,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984735018] [2022-11-18 19:58:01,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:01,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:58:01,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:58:01,720 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:58:01,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 19:58:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:01,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 19:58:01,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:58:01,982 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-18 19:58:01,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:58:01,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984735018] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:01,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:58:01,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2022-11-18 19:58:01,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870673656] [2022-11-18 19:58:01,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:01,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:58:01,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:01,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:58:01,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-11-18 19:58:01,985 INFO L87 Difference]: Start difference. First operand 1402 states and 1707 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-18 19:58:02,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:58:02,187 INFO L93 Difference]: Finished difference Result 2311 states and 2812 transitions. [2022-11-18 19:58:02,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:58:02,187 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) Word has length 112 [2022-11-18 19:58:02,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:58:02,188 INFO L225 Difference]: With dead ends: 2311 [2022-11-18 19:58:02,189 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 19:58:02,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-11-18 19:58:02,193 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 47 mSDsluCounter, 784 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:58:02,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 969 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:58:02,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 19:58:02,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 19:58:02,194 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) [2022-11-18 19:58:02,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 19:58:02,195 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2022-11-18 19:58:02,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:58:02,195 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:58:02,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-18 19:58:02,196 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 19:58:02,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 19:58:02,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 19:58:02,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 19:58:02,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-18 19:58:02,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 19:58:11,875 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 758 765) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse3 .cse2) (or .cse0 .cse1 .cse3 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-18 19:58:11,876 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 758 765) no Hoare annotation was computed. [2022-11-18 19:58:11,876 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 758 765) no Hoare annotation was computed. [2022-11-18 19:58:11,876 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 665 671) no Hoare annotation was computed. [2022-11-18 19:58:11,876 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 665 671) the Hoare annotation is: true [2022-11-18 19:58:11,877 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 896 907) the Hoare annotation is: (let ((.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse0 (not (= ~pumpRunning~0 0))) (.cse8 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (<= |old(~methaneLevelCritical~0)| 0))) (.cse2 (and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 0 |old(~methaneLevelCritical~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 (< ~waterLevel~0 2) .cse4) (or .cse6 .cse0 .cse8 .cse4 .cse5) (or .cse7 .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-11-18 19:58:11,877 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 896 907) no Hoare annotation was computed. [2022-11-18 19:58:11,877 INFO L899 garLoopResultBuilder]: For program point L900-1(lines 896 907) no Hoare annotation was computed. [2022-11-18 19:58:11,877 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 908 916) the Hoare annotation is: true [2022-11-18 19:58:11,877 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 908 916) no Hoare annotation was computed. [2022-11-18 19:58:11,878 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 908 916) no Hoare annotation was computed. [2022-11-18 19:58:11,878 INFO L899 garLoopResultBuilder]: For program point L733(lines 733 741) no Hoare annotation was computed. [2022-11-18 19:58:11,878 INFO L899 garLoopResultBuilder]: For program point L729(lines 729 746) no Hoare annotation was computed. [2022-11-18 19:58:11,878 INFO L899 garLoopResultBuilder]: For program point L180(lines 180 190) no Hoare annotation was computed. [2022-11-18 19:58:11,878 INFO L899 garLoopResultBuilder]: For program point L176(lines 176 193) no Hoare annotation was computed. [2022-11-18 19:58:11,879 INFO L895 garLoopResultBuilder]: At program point L176-1(lines 168 196) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse14 (= ~pumpRunning~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse17 (not .cse3))) (let ((.cse4 (and .cse14 .cse6 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~8#1|) .cse17)) (.cse15 (not (= |old(~waterLevel~0)| 0))) (.cse16 (= ~waterLevel~0 0)) (.cse10 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (<= 1 ~pumpRunning~0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (not (<= ~methaneLevelCritical~0 0))) (.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~1#1| 0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (not (<= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and .cse5 .cse6 .cse7 .cse8 .cse9) .cse10 .cse0 .cse11 .cse12 .cse3 (and .cse13 .cse14 .cse6 .cse8 .cse9)) (or .cse1 (< |old(~waterLevel~0)| 2) .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse15 .cse3 .cse16) (or .cse1 .cse11 .cse12 .cse15 .cse3 .cse16) (or .cse10 .cse0 (and .cse5 .cse7 .cse8) .cse2 (and .cse13 .cse14 .cse6 .cse8) .cse3) (or .cse1 (and .cse14 .cse6 .cse17 .cse9) .cse11 (and .cse13 .cse6 .cse9) .cse12 .cse3) (or .cse1 (<= 1 ~waterLevel~0) .cse12 .cse3 (not (<= 2 |old(~waterLevel~0)|))))))) [2022-11-18 19:58:11,879 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 641 664) no Hoare annotation was computed. [2022-11-18 19:58:11,879 INFO L895 garLoopResultBuilder]: At program point L771(line 771) the Hoare annotation is: (let ((.cse5 (not (<= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= |old(~waterLevel~0)| 0))) (.cse8 (= ~waterLevel~0 0)) (.cse1 (not (<= 0 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse2) (or .cse0 .cse4 (and .cse3 (= ~methAndRunningLastTime~0 0)) .cse6 .cse2) (or .cse4 .cse5 .cse1 .cse7 .cse2 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse8)) (or .cse0 .cse4 .cse6 .cse7 .cse2 .cse8) (or .cse4 (<= 1 ~waterLevel~0) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse4 (< |old(~waterLevel~0)| 2) .cse6 .cse2))) [2022-11-18 19:58:11,879 INFO L899 garLoopResultBuilder]: For program point L771-1(line 771) no Hoare annotation was computed. [2022-11-18 19:58:11,879 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 187) no Hoare annotation was computed. [2022-11-18 19:58:11,880 INFO L899 garLoopResultBuilder]: For program point L652-1(lines 652 658) no Hoare annotation was computed. [2022-11-18 19:58:11,880 INFO L895 garLoopResultBuilder]: At program point L739(line 739) the Hoare annotation is: (let ((.cse4 (not (<= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= 0 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse4 .cse1 .cse2) (or .cse3 .cse4 .cse1 (not (= |old(~waterLevel~0)| 0)) .cse2 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= ~waterLevel~0 0))) (or .cse3 (< |old(~waterLevel~0)| 2) .cse5 .cse2) (or .cse0 .cse3 .cse5 .cse2) (or .cse3 (<= 1 ~waterLevel~0) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-18 19:58:11,880 INFO L895 garLoopResultBuilder]: At program point L735(line 735) the Hoare annotation is: (let ((.cse8 (not (<= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse5 (<= 1 |timeShift_processEnvironment_~tmp~8#1|)) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (= |old(~waterLevel~0)| 0))) (.cse10 (= ~waterLevel~0 0)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= 0 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2) (or (and .cse3 (= ~methAndRunningLastTime~0 0) .cse4 .cse5) .cse0 .cse6 .cse7 .cse2) (or .cse3 .cse6 .cse8 .cse1 .cse2) (or .cse6 .cse8 .cse1 .cse9 .cse2 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse10)) (or (and .cse3 .cse4 .cse5) .cse6 (< |old(~waterLevel~0)| 2) .cse7 .cse2) (or .cse0 .cse6 .cse7 .cse9 .cse2 .cse10) (or .cse6 (<= 1 ~waterLevel~0) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-18 19:58:11,881 INFO L899 garLoopResultBuilder]: For program point L1012(line 1012) no Hoare annotation was computed. [2022-11-18 19:58:11,881 INFO L895 garLoopResultBuilder]: At program point L174(line 174) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse12 (not .cse3))) (let ((.cse8 (and .cse4 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~8#1|) .cse12)) (.cse5 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (and .cse4 .cse1 .cse12)) (.cse11 (not (= |old(~waterLevel~0)| 0))) (.cse9 (not (<= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= 0 ~methaneLevelCritical~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (<= 1 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= 2 ~waterLevel~0) .cse1) .cse2 .cse3 (and .cse4 .cse1 .cse5)) (or .cse0 .cse6 .cse7 .cse8 .cse3) (or .cse6 (< |old(~waterLevel~0)| 2) .cse7 .cse8 .cse3) (or .cse6 .cse9 .cse10 .cse2 .cse11 .cse3 (and .cse5 (= ~waterLevel~0 0))) (or .cse0 .cse6 .cse7 .cse10 .cse11 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse9 (and .cse4 .cse12) .cse2 .cse3) (or .cse6 (<= 1 ~waterLevel~0) .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))))))) [2022-11-18 19:58:11,881 INFO L899 garLoopResultBuilder]: For program point L174-1(line 174) no Hoare annotation was computed. [2022-11-18 19:58:11,881 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 880) no Hoare annotation was computed. [2022-11-18 19:58:11,882 INFO L895 garLoopResultBuilder]: At program point L876-2(lines 872 883) the Hoare annotation is: (let ((.cse5 (not (<= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= |old(~waterLevel~0)| 0))) (.cse8 (= ~waterLevel~0 0)) (.cse1 (not (<= 0 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse2) (or .cse0 .cse4 (and .cse3 (= ~methAndRunningLastTime~0 0)) .cse6 .cse2) (or .cse4 .cse5 .cse1 .cse7 .cse2 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse8)) (or .cse0 .cse4 .cse6 .cse7 .cse2 .cse8) (or .cse4 (<= 1 ~waterLevel~0) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse4 (< |old(~waterLevel~0)| 2) .cse6 .cse2))) [2022-11-18 19:58:11,895 INFO L895 garLoopResultBuilder]: At program point L744(line 744) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (<= 0 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= ~methaneLevelCritical~0 0)) .cse1 .cse2) (or .cse0 (< |old(~waterLevel~0)| 2) .cse3 .cse2) (or .cse4 .cse0 .cse3 .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse4 .cse1 .cse2 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))))) [2022-11-18 19:58:11,895 INFO L895 garLoopResultBuilder]: At program point L744-1(lines 725 749) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse12 (not .cse3))) (let ((.cse8 (and .cse4 (<= 1 |timeShift_isMethaneAlarm_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~8#1|) .cse12)) (.cse5 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (and .cse4 .cse1 .cse12)) (.cse11 (not (= |old(~waterLevel~0)| 0))) (.cse9 (not (<= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= 0 ~methaneLevelCritical~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (<= 1 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= 2 ~waterLevel~0) .cse1) .cse2 .cse3 (and .cse4 .cse1 .cse5)) (or .cse0 .cse6 .cse7 .cse8 .cse3) (or .cse6 (< |old(~waterLevel~0)| 2) .cse7 .cse8 .cse3) (or .cse6 .cse9 .cse10 .cse2 .cse11 .cse3 (and .cse5 (= ~waterLevel~0 0))) (or .cse0 .cse6 .cse7 .cse10 .cse11 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse9 (and .cse4 .cse12) .cse2 .cse3) (or .cse6 (<= 1 ~waterLevel~0) .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))))))) [2022-11-18 19:58:11,896 INFO L895 garLoopResultBuilder]: At program point L773(lines 766 776) the Hoare annotation is: (let ((.cse5 (not (<= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= |old(~waterLevel~0)| 0))) (.cse9 (= ~waterLevel~0 0)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= 0 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse2) (or .cse4 (< |old(~waterLevel~0)| 2) .cse6 (and .cse3 .cse7) .cse2) (or .cse4 .cse5 .cse1 .cse8 .cse2 (and (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse9)) (or .cse0 .cse4 .cse6 (and .cse3 (= ~methAndRunningLastTime~0 0) .cse7) .cse2) (or .cse0 .cse4 .cse6 .cse8 .cse2 .cse9) (or .cse4 (<= 1 ~waterLevel~0) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-18 19:58:11,896 INFO L899 garLoopResultBuilder]: For program point L645-1(lines 644 663) no Hoare annotation was computed. [2022-11-18 19:58:11,896 INFO L895 garLoopResultBuilder]: At program point L1013(lines 1008 1015) the Hoare annotation is: (let ((.cse1 (not (<= 0 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2) (or .cse3 (not (<= ~methaneLevelCritical~0 0)) .cse1 .cse2) (or .cse3 (< |old(~waterLevel~0)| 2) .cse4 .cse2) (or .cse0 .cse3 .cse4 .cse2))) [2022-11-18 19:58:11,896 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 641 664) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse7)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (<= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1 .cse2 .cse3) (or .cse0 .cse2 (not (<= ~methaneLevelCritical~0 0)) .cse4 .cse3) (or .cse5 .cse0 .cse1 .cse2 .cse3) (or (not (= |old(~pumpRunning~0)| 0)) .cse5 .cse4 .cse3 (and (= ~pumpRunning~0 0) .cse6 .cse7))))) [2022-11-18 19:58:11,897 INFO L895 garLoopResultBuilder]: At program point L782(lines 777 785) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (not (<= ~methaneLevelCritical~0 0))) (.cse12 (not (<= 0 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse7 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse8 (<= 1 |timeShift_processEnvironment_~tmp~8#1|)) (.cse5 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse9 (not .cse6)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0)))) (and (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse1 (and (<= 1 ~pumpRunning~0) (= ~methAndRunningLastTime~0 0) (<= 2 ~waterLevel~0) .cse2) .cse3 (and .cse4 .cse5 .cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) .cse6)) (or .cse1 (and .cse4 .cse7 .cse8 .cse5 .cse9) .cse10 .cse3 .cse6) (or .cse0 .cse1 .cse11 .cse12 .cse6) (or .cse10 .cse11 .cse12 .cse6) (or (and .cse4 .cse7 .cse8 .cse5 (<= 1 ~waterLevel~0) .cse9) .cse10 (< |old(~waterLevel~0)| 2) .cse3 .cse6) (or .cse1 .cse10 .cse3 (not (= |old(~waterLevel~0)| 0)) .cse6 (= ~waterLevel~0 0))))) [2022-11-18 19:58:11,897 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 641 664) no Hoare annotation was computed. [2022-11-18 19:58:11,898 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1012) no Hoare annotation was computed. [2022-11-18 19:58:11,898 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-11-18 19:58:11,898 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-11-18 19:58:11,898 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-11-18 19:58:11,898 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-11-18 19:58:11,898 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-11-18 19:58:11,899 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-11-18 19:58:11,899 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-11-18 19:58:11,899 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-11-18 19:58:11,899 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-18 19:58:11,899 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-11-18 19:58:11,899 INFO L895 garLoopResultBuilder]: At program point L865(lines 860 867) the Hoare annotation is: (let ((.cse6 (<= 0 ~methaneLevelCritical~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (not (< ~waterLevel~0 2)) .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 (<= ~methaneLevelCritical~0 0) .cse4 .cse6 .cse5) (and (= ~pumpRunning~0 0) .cse7 .cse2 .cse3 .cse4 .cse6 .cse5) (and .cse0 .cse7 .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-11-18 19:58:11,900 INFO L899 garLoopResultBuilder]: For program point L576(lines 575 622) no Hoare annotation was computed. [2022-11-18 19:58:11,900 INFO L902 garLoopResultBuilder]: At program point L126(lines 118 128) the Hoare annotation is: true [2022-11-18 19:58:11,900 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 618) no Hoare annotation was computed. [2022-11-18 19:58:11,900 INFO L902 garLoopResultBuilder]: At program point L151(lines 132 154) the Hoare annotation is: true [2022-11-18 19:58:11,900 INFO L895 garLoopResultBuilder]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (<= 0 ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 (not (< ~waterLevel~0 2)) .cse2 .cse3 .cse4) (and (= ~pumpRunning~0 0) .cse5 .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse2 (<= ~methaneLevelCritical~0 0) .cse3 .cse6 .cse4))) [2022-11-18 19:58:11,902 INFO L902 garLoopResultBuilder]: At program point L626(lines 565 630) the Hoare annotation is: true [2022-11-18 19:58:11,902 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 591) no Hoare annotation was computed. [2022-11-18 19:58:11,902 INFO L899 garLoopResultBuilder]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2022-11-18 19:58:11,902 INFO L899 garLoopResultBuilder]: For program point L577(lines 577 581) no Hoare annotation was computed. [2022-11-18 19:58:11,903 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 19:58:11,903 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 19:58:11,903 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 19:58:11,903 INFO L895 garLoopResultBuilder]: At program point L623(lines 574 624) the Hoare annotation is: false [2022-11-18 19:58:11,903 INFO L895 garLoopResultBuilder]: At program point L1003(lines 998 1006) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-18 19:58:11,904 INFO L895 garLoopResultBuilder]: At program point L165(lines 160 167) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-18 19:58:11,904 INFO L895 garLoopResultBuilder]: At program point L995(lines 991 997) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-18 19:58:11,904 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 19:58:11,904 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 601) no Hoare annotation was computed. [2022-11-18 19:58:11,904 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 595 601) no Hoare annotation was computed. [2022-11-18 19:58:11,905 INFO L895 garLoopResultBuilder]: At program point L620(lines 575 622) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (<= 0 ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and (= ~pumpRunning~0 0) .cse5 .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse2 (<= ~methaneLevelCritical~0 0) .cse3 .cse6 .cse4))) [2022-11-18 19:58:11,905 INFO L895 garLoopResultBuilder]: At program point L587(line 587) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (<= 0 ~methaneLevelCritical~0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and (= ~pumpRunning~0 0) .cse5 .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse2 (<= ~methaneLevelCritical~0 0) .cse3 .cse6 .cse4))) [2022-11-18 19:58:11,905 INFO L895 garLoopResultBuilder]: At program point L988(lines 984 990) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-18 19:58:11,905 INFO L895 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-18 19:58:11,907 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 149) no Hoare annotation was computed. [2022-11-18 19:58:11,907 INFO L899 garLoopResultBuilder]: For program point L142-2(lines 142 149) no Hoare annotation was computed. [2022-11-18 19:58:11,907 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 617) no Hoare annotation was computed. [2022-11-18 19:58:11,908 INFO L895 garLoopResultBuilder]: At program point L613-2(lines 605 618) the Hoare annotation is: (let ((.cse6 (<= 0 ~methaneLevelCritical~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (not (< ~waterLevel~0 2)) .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 (<= ~methaneLevelCritical~0 0) .cse4 .cse6 .cse5) (and (= ~pumpRunning~0 0) .cse7 .cse2 .cse3 .cse4 .cse6 .cse5) (and .cse0 .cse7 .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-11-18 19:58:11,908 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 673 697) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-18 19:58:11,908 INFO L895 garLoopResultBuilder]: At program point L958(lines 949 962) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1) (let ((.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)) .cse0 (and .cse2 (<= 2 ~waterLevel~0)) .cse1 (not (= ~methAndRunningLastTime~0 0)))))) [2022-11-18 19:58:11,908 INFO L895 garLoopResultBuilder]: At program point L692(line 692) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-18 19:58:11,909 INFO L899 garLoopResultBuilder]: For program point L692-1(lines 673 697) no Hoare annotation was computed. [2022-11-18 19:58:11,910 INFO L895 garLoopResultBuilder]: At program point L837(lines 822 840) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0))) (and (let ((.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 (<= 2 ~waterLevel~0)) (and .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) .cse2 (not (= ~methAndRunningLastTime~0 0)))) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse2))) [2022-11-18 19:58:11,910 INFO L899 garLoopResultBuilder]: For program point L831(lines 831 835) no Hoare annotation was computed. [2022-11-18 19:58:11,910 INFO L899 garLoopResultBuilder]: For program point L831-2(lines 831 835) no Hoare annotation was computed. [2022-11-18 19:58:11,911 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 673 697) no Hoare annotation was computed. [2022-11-18 19:58:11,911 INFO L899 garLoopResultBuilder]: For program point L953(lines 953 959) no Hoare annotation was computed. [2022-11-18 19:58:11,911 INFO L895 garLoopResultBuilder]: At program point L755(lines 750 757) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1))) [2022-11-18 19:58:11,911 INFO L895 garLoopResultBuilder]: At program point L687(line 687) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0)) (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-18 19:58:11,912 INFO L899 garLoopResultBuilder]: For program point L681(lines 681 689) no Hoare annotation was computed. [2022-11-18 19:58:11,912 INFO L899 garLoopResultBuilder]: For program point L677(lines 677 694) no Hoare annotation was computed. [2022-11-18 19:58:11,912 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 884 895) no Hoare annotation was computed. [2022-11-18 19:58:11,912 INFO L899 garLoopResultBuilder]: For program point L888-1(lines 884 895) no Hoare annotation was computed. [2022-11-18 19:58:11,913 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 884 895) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (<= ~methaneLevelCritical~0 0)) .cse3 .cse1 .cse2 .cse4) (or (not (= ~pumpRunning~0 0)) .cse3 .cse1 .cse2 .cse4))) [2022-11-18 19:58:11,913 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 699 723) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-18 19:58:11,913 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1 (let ((.cse2 (= ~waterLevel~0 0))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp~10#1| 0) .cse2) (or (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0) .cse2)))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-18 19:58:11,913 INFO L895 garLoopResultBuilder]: At program point L709(line 709) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1 (let ((.cse2 (= ~waterLevel~0 0))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp~10#1| 0) .cse2) (or (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0) .cse2)))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-18 19:58:11,914 INFO L899 garLoopResultBuilder]: For program point L707(lines 707 715) no Hoare annotation was computed. [2022-11-18 19:58:11,914 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 720) no Hoare annotation was computed. [2022-11-18 19:58:11,914 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 699 723) no Hoare annotation was computed. [2022-11-18 19:58:11,914 INFO L895 garLoopResultBuilder]: At program point L856(lines 841 859) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1 (let ((.cse2 (= ~waterLevel~0 0))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp~10#1| 0) .cse2) (or (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0) .cse2)))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-18 19:58:11,914 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 854) no Hoare annotation was computed. [2022-11-18 19:58:11,914 INFO L899 garLoopResultBuilder]: For program point L850-2(lines 850 854) no Hoare annotation was computed. [2022-11-18 19:58:11,915 INFO L895 garLoopResultBuilder]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-18 19:58:11,915 INFO L899 garLoopResultBuilder]: For program point L718-1(lines 699 723) no Hoare annotation was computed. [2022-11-18 19:58:11,915 INFO L895 garLoopResultBuilder]: At program point L968(lines 963 971) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0) (= ~waterLevel~0 0))) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2022-11-18 19:58:11,918 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:58:11,921 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:58:11,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:58:11 BoogieIcfgContainer [2022-11-18 19:58:11,993 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:58:11,993 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:58:11,994 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:58:11,994 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:58:11,994 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:57:50" (3/4) ... [2022-11-18 19:58:11,997 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 19:58:12,003 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-18 19:58:12,004 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-18 19:58:12,004 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-18 19:58:12,004 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-18 19:58:12,004 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-18 19:58:12,005 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-18 19:58:12,005 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-18 19:58:12,005 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-18 19:58:12,005 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-11-18 19:58:12,021 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-18 19:58:12,021 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-18 19:58:12,022 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 19:58:12,022 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 19:58:12,022 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 19:58:12,058 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && \result == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) [2022-11-18 19:58:12,059 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && \result == 1) && tmp == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) [2022-11-18 19:58:12,059 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && \result == 1) && tmp == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) [2022-11-18 19:58:12,059 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive))) || (((((((1 <= pumpRunning && methAndRunningLastTime == 0) && \result == 1) && tmp == 1) && methaneLevelCritical <= 0) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive)) [2022-11-18 19:58:12,061 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((((pumpRunning == \old(pumpRunning) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || (pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || (\old(methAndRunningLastTime) == methAndRunningLastTime && waterLevel == 0))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || waterLevel == 0)) && ((((!(1 <= \old(pumpRunning)) || 1 <= waterLevel) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((((pumpRunning == \old(pumpRunning) || !(1 <= \old(pumpRunning))) || \old(waterLevel) < 2) || !(1 <= methaneLevelCritical)) || 0 == systemActive) [2022-11-18 19:58:12,062 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) && !(0 == systemActive))) || 0 == systemActive)) && ((((!(1 <= \old(pumpRunning)) || \old(waterLevel) < 2) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) && !(0 == systemActive))) || 0 == systemActive)) && ((((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || (\old(methAndRunningLastTime) == methAndRunningLastTime && waterLevel == 0))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) == 0)) || 0 == systemActive)) && (((((pumpRunning == \old(pumpRunning) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical <= 0)) || (pumpRunning == 0 && !(0 == systemActive))) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(1 <= \old(pumpRunning)) || 1 <= waterLevel) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-18 19:58:12,064 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && \result == 1) && !(waterLevel < 2)) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || ((((((1 <= pumpRunning && \result == 1) && tmp == 1) && methaneLevelCritical <= 0) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive))) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive))) || ((((((1 <= pumpRunning && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) [2022-11-18 19:58:12,064 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= \result) && 1 <= tmp) && !(0 == systemActive))) && ((((((((((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && tmp == 0) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel) && tmp == 0))) && ((((!(1 <= \old(pumpRunning)) || \old(waterLevel) < 2) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= \result) && 1 <= tmp) && !(0 == systemActive)))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || waterLevel == 0)) && (((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || waterLevel == 0)) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || 0 == systemActive)) && (((((!(1 <= \old(pumpRunning)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && !(0 == systemActive)) && tmp == 0)) || !(methaneLevelCritical <= 0)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && tmp == 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(1 <= \old(pumpRunning)) || 1 <= waterLevel) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-18 19:58:12,064 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((((pumpRunning == \old(pumpRunning) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(1 <= \old(pumpRunning)) || \old(waterLevel) < 2) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= \result)) || 0 == systemActive)) && (((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || (\old(methAndRunningLastTime) == methAndRunningLastTime && waterLevel == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && 1 <= \result)) || 0 == systemActive)) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || waterLevel == 0)) && ((((!(1 <= \old(pumpRunning)) || 1 <= waterLevel) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-18 19:58:12,065 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || 0 == systemActive) && ((((!(\old(methAndRunningLastTime) == 0) || ((((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) && \result == 0) && !(0 == systemActive))) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((((((((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) && \result == 0) && 1 <= waterLevel) && !(0 == systemActive)) || !(1 <= \old(pumpRunning))) || \old(waterLevel) < 2) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || waterLevel == 0) [2022-11-18 19:58:12,065 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == \old(pumpRunning) && (\result == 0 || waterLevel == 0)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) [2022-11-18 19:58:12,066 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || !(0 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) [2022-11-18 19:58:12,066 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(1 <= \old(pumpRunning)) || \old(waterLevel) < 2) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) [2022-11-18 19:58:12,066 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((pumpRunning == \old(pumpRunning) && (tmp == 0 || waterLevel == 0)) && (\result == 0 || waterLevel == 0))) && (((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) [2022-11-18 19:58:12,067 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) && (((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) [2022-11-18 19:58:12,071 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) && (((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) [2022-11-18 19:58:12,115 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 19:58:12,115 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:58:12,116 INFO L158 Benchmark]: Toolchain (without parser) took 23067.37ms. Allocated memory was 119.5MB in the beginning and 266.3MB in the end (delta: 146.8MB). Free memory was 88.6MB in the beginning and 226.6MB in the end (delta: -138.1MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2022-11-18 19:58:12,116 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 88.1MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:58:12,116 INFO L158 Benchmark]: CACSL2BoogieTranslator took 580.63ms. Allocated memory is still 119.5MB. Free memory was 88.3MB in the beginning and 87.2MB in the end (delta: 1.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 19:58:12,117 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.59ms. Allocated memory is still 119.5MB. Free memory was 87.2MB in the beginning and 85.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:58:12,118 INFO L158 Benchmark]: Boogie Preprocessor took 28.35ms. Allocated memory is still 119.5MB. Free memory was 84.7MB in the beginning and 83.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:58:12,118 INFO L158 Benchmark]: RCFGBuilder took 705.62ms. Allocated memory is still 119.5MB. Free memory was 83.0MB in the beginning and 66.1MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 19:58:12,118 INFO L158 Benchmark]: TraceAbstraction took 21561.68ms. Allocated memory was 119.5MB in the beginning and 266.3MB in the end (delta: 146.8MB). Free memory was 65.3MB in the beginning and 232.9MB in the end (delta: -167.6MB). Peak memory consumption was 138.1MB. Max. memory is 16.1GB. [2022-11-18 19:58:12,119 INFO L158 Benchmark]: Witness Printer took 121.48ms. Allocated memory is still 266.3MB. Free memory was 232.9MB in the beginning and 226.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 19:58:12,122 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 88.1MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 580.63ms. Allocated memory is still 119.5MB. Free memory was 88.3MB in the beginning and 87.2MB in the end (delta: 1.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.59ms. Allocated memory is still 119.5MB. Free memory was 87.2MB in the beginning and 85.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.35ms. Allocated memory is still 119.5MB. Free memory was 84.7MB in the beginning and 83.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 705.62ms. Allocated memory is still 119.5MB. Free memory was 83.0MB in the beginning and 66.1MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 21561.68ms. Allocated memory was 119.5MB in the beginning and 266.3MB in the end (delta: 146.8MB). Free memory was 65.3MB in the beginning and 232.9MB in the end (delta: -167.6MB). Peak memory consumption was 138.1MB. Max. memory is 16.1GB. * Witness Printer took 121.48ms. Allocated memory is still 266.3MB. Free memory was 232.9MB in the beginning and 226.6MB 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: 1012]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.4s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3151 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3110 mSDsluCounter, 5780 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4199 mSDsCounter, 1326 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4644 IncrementalHoareTripleChecker+Invalid, 5970 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1326 mSolverCounterUnsat, 1581 mSDtfsCounter, 4644 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 741 GetRequests, 569 SyntacticMatches, 4 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3701 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1402occurred in iteration=11, InterpolantAutomatonStates: 152, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 390 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 2016 PreInvPairs, 2366 NumberOfFragments, 3089 HoareAnnotationTreeSize, 2016 FomulaSimplifications, 1387 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 48 FomulaSimplificationsInter, 30935 FormulaSimplificationTreeSizeReductionInter, 8.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1018 NumberOfCodeBlocks, 1018 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1110 ConstructedInterpolants, 0 QuantifiedInterpolants, 2139 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1089 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 255/275 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: 860]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && \result == 1) && !(waterLevel < 2)) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || ((((((1 <= pumpRunning && \result == 1) && tmp == 1) && methaneLevelCritical <= 0) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive))) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive))) || ((((((1 <= pumpRunning && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 998]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && \result == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((((pumpRunning == \old(pumpRunning) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(1 <= \old(pumpRunning)) || \old(waterLevel) < 2) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= \result)) || 0 == systemActive)) && (((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || (\old(methAndRunningLastTime) == methAndRunningLastTime && waterLevel == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && 1 <= \result)) || 0 == systemActive)) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || waterLevel == 0)) && ((((!(1 <= \old(pumpRunning)) || 1 <= waterLevel) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive))) || (((((((1 <= pumpRunning && methAndRunningLastTime == 0) && \result == 1) && tmp == 1) && methaneLevelCritical <= 0) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive)) - InvariantResult [Line: 984]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((((((((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= \result) && 1 <= tmp) && !(0 == systemActive))) && ((((((((((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && tmp == 0) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel) && tmp == 0))) && ((((!(1 <= \old(pumpRunning)) || \old(waterLevel) < 2) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= \result) && 1 <= tmp) && !(0 == systemActive)))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || waterLevel == 0)) && (((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || waterLevel == 0)) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel)) || 0 == systemActive)) && (((((!(1 <= \old(pumpRunning)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && !(0 == systemActive)) && tmp == 0)) || !(methaneLevelCritical <= 0)) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && tmp == 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(1 <= \old(pumpRunning)) || 1 <= waterLevel) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((((pumpRunning == \old(pumpRunning) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || (pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || (\old(methAndRunningLastTime) == methAndRunningLastTime && waterLevel == 0))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || waterLevel == 0)) && ((((!(1 <= \old(pumpRunning)) || 1 <= waterLevel) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((((pumpRunning == \old(pumpRunning) || !(1 <= \old(pumpRunning))) || \old(waterLevel) < 2) || !(1 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: (((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || !(0 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: (((((pumpRunning == \old(pumpRunning) && (\result == 0 || waterLevel == 0)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 1008]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(1 <= \old(pumpRunning)) || \old(waterLevel) < 2) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) && !(0 == systemActive))) || 0 == systemActive)) && ((((!(1 <= \old(pumpRunning)) || \old(waterLevel) < 2) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) && !(0 == systemActive))) || 0 == systemActive)) && ((((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(0 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || (\old(methAndRunningLastTime) == methAndRunningLastTime && waterLevel == 0))) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) == 0)) || 0 == systemActive)) && (((((pumpRunning == \old(pumpRunning) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical <= 0)) || (pumpRunning == 0 && !(0 == systemActive))) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(1 <= \old(pumpRunning)) || 1 <= waterLevel) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && \result == 1) && tmp == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && \result == 1) && tmp == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) && (((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: ((((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((pumpRunning == \old(pumpRunning) && (tmp == 0 || waterLevel == 0)) && (\result == 0 || waterLevel == 0))) && (((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: (((((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (((1 <= pumpRunning && methAndRunningLastTime == 0) && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || 0 == systemActive) && ((((!(\old(methAndRunningLastTime) == 0) || ((((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) && \result == 0) && !(0 == systemActive))) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((((((((pumpRunning == 0 && 1 <= \result) && 1 <= tmp) && \result == 0) && 1 <= waterLevel) && !(0 == systemActive)) || !(1 <= \old(pumpRunning))) || \old(waterLevel) < 2) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((((!(\old(methAndRunningLastTime) == 0) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) == 0)) || 0 == systemActive) || waterLevel == 0) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || 0 == systemActive) || !(methAndRunningLastTime == 0)) && (((!(1 <= \old(pumpRunning)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-11-18 19:58:12,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27bd76d7-1269-4763-b314-2858c164339f/bin/uautomizer-TMbwUNV5ro/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