./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/bin/uautomizer-Dbtcem3rbc --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 02f348a1765e9ec5744c77eeefa530e23dc9cfba8d17cca10f5e72556b3df984 --- 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-5e519f3 [2022-11-02 20:01:51,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:01:51,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:01:51,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:01:51,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:01:51,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:01:51,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:01:51,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:01:51,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:01:51,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:01:51,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:01:51,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:01:51,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:01:51,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:01:52,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:01:52,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:01:52,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:01:52,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:01:52,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:01:52,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:01:52,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:01:52,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:01:52,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:01:52,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:01:52,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:01:52,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:01:52,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:01:52,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:01:52,047 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:01:52,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:01:52,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:01:52,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:01:52,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:01:52,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:01:52,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:01:52,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:01:52,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:01:52,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:01:52,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:01:52,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:01:52,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:01:52,061 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:01:52,102 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:01:52,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:01:52,108 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:01:52,109 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:01:52,110 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:01:52,110 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:01:52,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:01:52,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:01:52,111 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:01:52,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:01:52,113 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:01:52,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:01:52,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:01:52,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:01:52,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:01:52,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:01:52,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:01:52,115 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:01:52,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:01:52,115 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:01:52,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:01:52,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:01:52,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:01:52,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:01:52,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:01:52,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:01:52,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:01:52,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:01:52,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:01:52,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:01:52,119 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:01:52,119 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:01:52,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:01:52,120 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_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02f348a1765e9ec5744c77eeefa530e23dc9cfba8d17cca10f5e72556b3df984 [2022-11-02 20:01:52,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:01:52,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:01:52,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:01:52,568 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:01:52,569 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:01:52,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2022-11-02 20:01:52,670 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/bin/uautomizer-Dbtcem3rbc/data/71b818af1/2870ab21327743dcaf6c2ef5ac3db0ef/FLAGaeaf9a968 [2022-11-02 20:01:53,440 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:01:53,441 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2022-11-02 20:01:53,458 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/bin/uautomizer-Dbtcem3rbc/data/71b818af1/2870ab21327743dcaf6c2ef5ac3db0ef/FLAGaeaf9a968 [2022-11-02 20:01:53,684 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/bin/uautomizer-Dbtcem3rbc/data/71b818af1/2870ab21327743dcaf6c2ef5ac3db0ef [2022-11-02 20:01:53,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:01:53,688 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:01:53,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:01:53,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:01:53,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:01:53,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:01:53" (1/1) ... [2022-11-02 20:01:53,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@111890f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:01:53, skipping insertion in model container [2022-11-02 20:01:53,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:01:53" (1/1) ... [2022-11-02 20:01:53,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:01:53,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:01:54,119 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c[17188,17201] [2022-11-02 20:01:54,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:01:54,135 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:01:54,220 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c[17188,17201] [2022-11-02 20:01:54,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:01:54,241 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:01:54,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:01:54 WrapperNode [2022-11-02 20:01:54,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:01:54,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:01:54,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:01:54,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:01:54,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:01:54" (1/1) ... [2022-11-02 20:01:54,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:01:54" (1/1) ... [2022-11-02 20:01:54,302 INFO L138 Inliner]: procedures = 51, calls = 149, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 216 [2022-11-02 20:01:54,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:01:54,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:01:54,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:01:54,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:01:54,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:01:54" (1/1) ... [2022-11-02 20:01:54,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:01:54" (1/1) ... [2022-11-02 20:01:54,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:01:54" (1/1) ... [2022-11-02 20:01:54,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:01:54" (1/1) ... [2022-11-02 20:01:54,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:01:54" (1/1) ... [2022-11-02 20:01:54,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:01:54" (1/1) ... [2022-11-02 20:01:54,333 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:01:54" (1/1) ... [2022-11-02 20:01:54,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:01:54" (1/1) ... [2022-11-02 20:01:54,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:01:54,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:01:54,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:01:54,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:01:54,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:01:54" (1/1) ... [2022-11-02 20:01:54,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:01:54,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:01:54,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:01:54,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:01:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:01:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-02 20:01:54,455 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-02 20:01:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-02 20:01:54,455 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-02 20:01:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-02 20:01:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-02 20:01:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-02 20:01:54,459 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-02 20:01:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:01:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-02 20:01:54,460 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-02 20:01:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:01:54,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:01:54,597 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:01:54,599 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:01:55,006 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:01:55,015 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:01:55,016 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:01:55,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:01:55 BoogieIcfgContainer [2022-11-02 20:01:55,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:01:55,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:01:55,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:01:55,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:01:55,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:01:53" (1/3) ... [2022-11-02 20:01:55,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@549174df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:01:55, skipping insertion in model container [2022-11-02 20:01:55,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:01:54" (2/3) ... [2022-11-02 20:01:55,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@549174df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:01:55, skipping insertion in model container [2022-11-02 20:01:55,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:01:55" (3/3) ... [2022-11-02 20:01:55,030 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product06.cil.c [2022-11-02 20:01:55,053 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:01:55,054 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:01:55,148 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:01:55,172 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;@553d7ac8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:01:55,177 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:01:55,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 59 states have internal predecessors, (74), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-02 20:01:55,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 20:01:55,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:01:55,203 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:01:55,204 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:01:55,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:01:55,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1379054688, now seen corresponding path program 1 times [2022-11-02 20:01:55,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:01:55,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430663228] [2022-11-02 20:01:55,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:01:55,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:01:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:01:55,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:01:55,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:01:55,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430663228] [2022-11-02 20:01:55,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430663228] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:01:55,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:01:55,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:01:55,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033616124] [2022-11-02 20:01:55,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:01:55,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:01:55,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:01:55,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:01:55,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:01:55,680 INFO L87 Difference]: Start difference. First operand has 68 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 59 states have internal predecessors, (74), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:01:55,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:01:55,717 INFO L93 Difference]: Finished difference Result 128 states and 175 transitions. [2022-11-02 20:01:55,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:01:55,720 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-02 20:01:55,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:01:55,732 INFO L225 Difference]: With dead ends: 128 [2022-11-02 20:01:55,733 INFO L226 Difference]: Without dead ends: 59 [2022-11-02 20:01:55,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:01:55,741 INFO L413 NwaCegarLoop]: 84 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, 84 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 [2022-11-02 20:01:55,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:01:55,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-02 20:01:55,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-11-02 20:01:55,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 51 states have internal predecessors, (60), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-02 20:01:55,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 75 transitions. [2022-11-02 20:01:55,813 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 75 transitions. Word has length 19 [2022-11-02 20:01:55,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:01:55,814 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 75 transitions. [2022-11-02 20:01:55,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:01:55,817 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2022-11-02 20:01:55,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-02 20:01:55,822 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:01:55,823 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] [2022-11-02 20:01:55,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:01:55,824 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:01:55,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:01:55,826 INFO L85 PathProgramCache]: Analyzing trace with hash -320924759, now seen corresponding path program 1 times [2022-11-02 20:01:55,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:01:55,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380288416] [2022-11-02 20:01:55,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:01:55,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:01:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:01:56,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:01:56,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:01:56,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380288416] [2022-11-02 20:01:56,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380288416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:01:56,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:01:56,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:01:56,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052585153] [2022-11-02 20:01:56,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:01:56,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:01:56,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:01:56,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:01:56,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:01:56,044 INFO L87 Difference]: Start difference. First operand 59 states and 75 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:01:56,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:01:56,062 INFO L93 Difference]: Finished difference Result 83 states and 105 transitions. [2022-11-02 20:01:56,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:01:56,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-02 20:01:56,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:01:56,065 INFO L225 Difference]: With dead ends: 83 [2022-11-02 20:01:56,065 INFO L226 Difference]: Without dead ends: 50 [2022-11-02 20:01:56,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:01:56,068 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 13 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 107 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 [2022-11-02 20:01:56,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:01:56,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-02 20:01:56,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-02 20:01:56,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 40 states have (on average 1.325) internal successors, (53), 45 states have internal predecessors, (53), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-02 20:01:56,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 63 transitions. [2022-11-02 20:01:56,079 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 63 transitions. Word has length 20 [2022-11-02 20:01:56,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:01:56,079 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 63 transitions. [2022-11-02 20:01:56,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:01:56,080 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2022-11-02 20:01:56,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-02 20:01:56,081 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:01:56,081 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] [2022-11-02 20:01:56,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:01:56,082 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:01:56,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:01:56,083 INFO L85 PathProgramCache]: Analyzing trace with hash -810441205, now seen corresponding path program 1 times [2022-11-02 20:01:56,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:01:56,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910940554] [2022-11-02 20:01:56,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:01:56,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:01:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:01:56,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:01:56,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:01:56,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910940554] [2022-11-02 20:01:56,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910940554] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:01:56,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:01:56,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:01:56,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100029539] [2022-11-02 20:01:56,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:01:56,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:01:56,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:01:56,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:01:56,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:01:56,255 INFO L87 Difference]: Start difference. First operand 50 states and 63 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:01:56,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:01:56,402 INFO L93 Difference]: Finished difference Result 93 states and 120 transitions. [2022-11-02 20:01:56,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:01:56,403 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-11-02 20:01:56,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:01:56,406 INFO L225 Difference]: With dead ends: 93 [2022-11-02 20:01:56,408 INFO L226 Difference]: Without dead ends: 50 [2022-11-02 20:01:56,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:01:56,411 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 88 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:01:56,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 136 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:01:56,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-02 20:01:56,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-02 20:01:56,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 40 states have (on average 1.3) internal successors, (52), 45 states have internal predecessors, (52), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-02 20:01:56,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2022-11-02 20:01:56,427 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 25 [2022-11-02 20:01:56,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:01:56,428 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2022-11-02 20:01:56,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:01:56,429 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-11-02 20:01:56,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-02 20:01:56,430 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:01:56,430 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:01:56,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:01:56,431 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:01:56,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:01:56,432 INFO L85 PathProgramCache]: Analyzing trace with hash 475641660, now seen corresponding path program 1 times [2022-11-02 20:01:56,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:01:56,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075886545] [2022-11-02 20:01:56,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:01:56,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:01:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:01:56,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:01:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:01:56,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:01:56,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:01:56,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075886545] [2022-11-02 20:01:56,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075886545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:01:56,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:01:56,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:01:56,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519759801] [2022-11-02 20:01:56,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:01:56,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 20:01:56,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:01:56,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 20:01:56,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:01:56,805 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 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) [2022-11-02 20:01:57,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:01:57,069 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2022-11-02 20:01:57,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-02 20:01:57,070 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-11-02 20:01:57,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:01:57,073 INFO L225 Difference]: With dead ends: 171 [2022-11-02 20:01:57,073 INFO L226 Difference]: Without dead ends: 128 [2022-11-02 20:01:57,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:01:57,076 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 147 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:01:57,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 383 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:01:57,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-02 20:01:57,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 123. [2022-11-02 20:01:57,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 97 states have (on average 1.2989690721649485) internal successors, (126), 109 states have internal predecessors, (126), 14 states have call successors, (14), 11 states have call predecessors, (14), 11 states have return successors, (17), 11 states have call predecessors, (17), 14 states have call successors, (17) [2022-11-02 20:01:57,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 157 transitions. [2022-11-02 20:01:57,111 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 157 transitions. Word has length 30 [2022-11-02 20:01:57,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:01:57,112 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 157 transitions. [2022-11-02 20:01:57,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 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) [2022-11-02 20:01:57,112 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 157 transitions. [2022-11-02 20:01:57,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-02 20:01:57,114 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:01:57,114 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] [2022-11-02 20:01:57,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:01:57,115 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:01:57,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:01:57,116 INFO L85 PathProgramCache]: Analyzing trace with hash 557208599, now seen corresponding path program 1 times [2022-11-02 20:01:57,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:01:57,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677915062] [2022-11-02 20:01:57,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:01:57,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:01:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:01:57,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 20:01:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:01:57,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:01:57,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:01:57,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677915062] [2022-11-02 20:01:57,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677915062] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:01:57,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:01:57,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:01:57,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358082557] [2022-11-02 20:01:57,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:01:57,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:01:57,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:01:57,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:01:57,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:01:57,217 INFO L87 Difference]: Start difference. First operand 123 states and 157 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-11-02 20:01:57,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:01:57,254 INFO L93 Difference]: Finished difference Result 219 states and 282 transitions. [2022-11-02 20:01:57,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:01:57,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 32 [2022-11-02 20:01:57,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:01:57,256 INFO L225 Difference]: With dead ends: 219 [2022-11-02 20:01:57,256 INFO L226 Difference]: Without dead ends: 103 [2022-11-02 20:01:57,258 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 [2022-11-02 20:01:57,259 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 33 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:01:57,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 47 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:01:57,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-11-02 20:01:57,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-11-02 20:01:57,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 80 states have (on average 1.225) internal successors, (98), 86 states have internal predecessors, (98), 11 states have call successors, (11), 11 states have call predecessors, (11), 11 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2022-11-02 20:01:57,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 121 transitions. [2022-11-02 20:01:57,282 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 121 transitions. Word has length 32 [2022-11-02 20:01:57,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:01:57,282 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 121 transitions. [2022-11-02 20:01:57,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2022-11-02 20:01:57,283 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 121 transitions. [2022-11-02 20:01:57,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-02 20:01:57,285 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:01:57,286 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:01:57,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:01:57,286 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:01:57,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:01:57,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1600959184, now seen corresponding path program 1 times [2022-11-02 20:01:57,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:01:57,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829554335] [2022-11-02 20:01:57,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:01:57,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:01:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:01:57,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:01:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:01:57,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:01:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:01:57,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:01:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:01:57,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:01:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:01:57,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 20:01:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:01:57,626 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-02 20:01:57,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:01:57,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829554335] [2022-11-02 20:01:57,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829554335] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:01:57,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165492196] [2022-11-02 20:01:57,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:01:57,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:01:57,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:01:57,635 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:01:57,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:01:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:01:57,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 20:01:57,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:01:58,131 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:01:58,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:01:58,625 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-02 20:01:58,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165492196] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:01:58,628 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:01:58,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 15 [2022-11-02 20:01:58,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578199423] [2022-11-02 20:01:58,629 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:01:58,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-02 20:01:58,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:01:58,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-02 20:01:58,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2022-11-02 20:01:58,634 INFO L87 Difference]: Start difference. First operand 103 states and 121 transitions. Second operand has 15 states, 15 states have (on average 6.2) internal successors, (93), 12 states have internal predecessors, (93), 6 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) [2022-11-02 20:01:58,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:01:58,968 INFO L93 Difference]: Finished difference Result 137 states and 161 transitions. [2022-11-02 20:01:58,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:01:58,970 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.2) internal successors, (93), 12 states have internal predecessors, (93), 6 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) Word has length 61 [2022-11-02 20:01:58,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:01:58,970 INFO L225 Difference]: With dead ends: 137 [2022-11-02 20:01:58,972 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:01:58,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 120 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2022-11-02 20:01:58,981 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 120 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:01:58,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 370 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:01:58,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:01:58,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:01:58,983 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) [2022-11-02 20:01:58,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:01:58,983 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2022-11-02 20:01:58,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:01:58,984 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:01:58,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.2) internal successors, (93), 12 states have internal predecessors, (93), 6 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) [2022-11-02 20:01:58,984 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:01:58,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:01:58,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:01:59,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:01:59,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:01:59,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:02:00,467 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 296 302) no Hoare annotation was computed. [2022-11-02 20:02:00,468 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 296 302) the Hoare annotation is: true [2022-11-02 20:02:00,468 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 184 195) the Hoare annotation is: true [2022-11-02 20:02:00,468 INFO L899 garLoopResultBuilder]: For program point L188-1(lines 184 195) no Hoare annotation was computed. [2022-11-02 20:02:00,468 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 184 195) no Hoare annotation was computed. [2022-11-02 20:02:00,469 INFO L899 garLoopResultBuilder]: For program point L283-1(lines 283 289) no Hoare annotation was computed. [2022-11-02 20:02:00,469 INFO L899 garLoopResultBuilder]: For program point L312(lines 312 320) no Hoare annotation was computed. [2022-11-02 20:02:00,469 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 325) no Hoare annotation was computed. [2022-11-02 20:02:00,469 INFO L899 garLoopResultBuilder]: For program point L882(line 882) no Hoare annotation was computed. [2022-11-02 20:02:00,470 INFO L895 garLoopResultBuilder]: At program point L201(lines 196 204) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-11-02 20:02:00,470 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 272 295) no Hoare annotation was computed. [2022-11-02 20:02:00,470 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 168) no Hoare annotation was computed. [2022-11-02 20:02:00,470 INFO L895 garLoopResultBuilder]: At program point L164-2(lines 160 171) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-11-02 20:02:00,470 INFO L895 garLoopResultBuilder]: At program point L342(lines 337 344) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-11-02 20:02:00,471 INFO L899 garLoopResultBuilder]: For program point L276-1(lines 275 294) no Hoare annotation was computed. [2022-11-02 20:02:00,471 INFO L895 garLoopResultBuilder]: At program point L883(lines 878 885) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-11-02 20:02:00,471 INFO L895 garLoopResultBuilder]: At program point L318(line 318) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-11-02 20:02:00,471 INFO L899 garLoopResultBuilder]: For program point L252(lines 252 258) no Hoare annotation was computed. [2022-11-02 20:02:00,471 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 261) no Hoare annotation was computed. [2022-11-02 20:02:00,472 INFO L895 garLoopResultBuilder]: At program point L248-1(lines 240 264) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_getWaterLevel_#res#1| 0))) (.cse3 (not (= |timeShift___utac_acc__Specification4_spec__1_~tmp~1#1| 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) .cse4) (or .cse0 (and .cse1 .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse4 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-02 20:02:00,472 INFO L895 garLoopResultBuilder]: At program point L323(line 323) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1)) .cse2))) [2022-11-02 20:02:00,472 INFO L895 garLoopResultBuilder]: At program point L323-1(lines 304 328) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1)) .cse2))) [2022-11-02 20:02:00,473 INFO L895 garLoopResultBuilder]: At program point L352(lines 345 355) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-11-02 20:02:00,473 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 272 295) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1)) .cse2))) [2022-11-02 20:02:00,473 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 272 295) no Hoare annotation was computed. [2022-11-02 20:02:00,473 INFO L895 garLoopResultBuilder]: At program point L233(lines 228 236) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_getWaterLevel_#res#1| 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 (= ~waterLevel~0 1)) .cse3))) [2022-11-02 20:02:00,474 INFO L895 garLoopResultBuilder]: At program point L361(lines 356 364) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-11-02 20:02:00,474 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 882) no Hoare annotation was computed. [2022-11-02 20:02:00,474 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-11-02 20:02:00,474 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-11-02 20:02:00,474 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-11-02 20:02:00,475 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-11-02 20:02:00,475 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-11-02 20:02:00,475 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-11-02 20:02:00,475 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-11-02 20:02:00,475 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-11-02 20:02:00,475 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-02 20:02:00,476 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-11-02 20:02:00,476 INFO L895 garLoopResultBuilder]: At program point L865(lines 861 867) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:02:00,476 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 446) no Hoare annotation was computed. [2022-11-02 20:02:00,476 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2022-11-02 20:02:00,477 INFO L895 garLoopResultBuilder]: At program point L465(lines 420 467) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~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)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2022-11-02 20:02:00,477 INFO L895 garLoopResultBuilder]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~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)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2022-11-02 20:02:00,477 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:02:00,477 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:02:00,477 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:02:00,478 INFO L895 garLoopResultBuilder]: At program point L858(lines 854 860) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:02:00,478 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-11-02 20:02:00,478 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 462) no Hoare annotation was computed. [2022-11-02 20:02:00,478 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2022-11-02 20:02:00,478 INFO L895 garLoopResultBuilder]: At program point L458-2(lines 450 463) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~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)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2022-11-02 20:02:00,479 INFO L899 garLoopResultBuilder]: For program point L421(lines 420 467) no Hoare annotation was computed. [2022-11-02 20:02:00,479 INFO L899 garLoopResultBuilder]: For program point L450(lines 450 463) no Hoare annotation was computed. [2022-11-02 20:02:00,479 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:02:00,479 INFO L902 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2022-11-02 20:02:00,479 INFO L895 garLoopResultBuilder]: At program point L442(line 442) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~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)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2022-11-02 20:02:00,480 INFO L902 garLoopResultBuilder]: At program point L471(lines 410 475) the Hoare annotation is: true [2022-11-02 20:02:00,480 INFO L902 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2022-11-02 20:02:00,480 INFO L899 garLoopResultBuilder]: For program point L430(lines 430 436) no Hoare annotation was computed. [2022-11-02 20:02:00,480 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2022-11-02 20:02:00,480 INFO L899 garLoopResultBuilder]: For program point L422(lines 422 426) no Hoare annotation was computed. [2022-11-02 20:02:00,481 INFO L895 garLoopResultBuilder]: At program point L406(lines 401 408) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~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)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2022-11-02 20:02:00,481 INFO L895 garLoopResultBuilder]: At program point L468(lines 419 469) the Hoare annotation is: false [2022-11-02 20:02:00,481 INFO L895 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:02:00,481 INFO L895 garLoopResultBuilder]: At program point L873(lines 868 876) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:02:00,481 INFO L899 garLoopResultBuilder]: For program point L176-1(lines 172 183) no Hoare annotation was computed. [2022-11-02 20:02:00,482 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 172 183) no Hoare annotation was computed. [2022-11-02 20:02:00,482 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 172 183) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)))) [2022-11-02 20:02:00,486 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-02 20:02:00,489 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:02:00,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:02:00 BoogieIcfgContainer [2022-11-02 20:02:00,517 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:02:00,517 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:02:00,517 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:02:00,518 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:02:00,518 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:01:55" (3/4) ... [2022-11-02 20:02:00,522 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:02:00,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-02 20:02:00,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-02 20:02:00,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-02 20:02:00,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-02 20:02:00,532 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-02 20:02:00,540 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-11-02 20:02:00,540 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-02 20:02:00,541 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-02 20:02:00,541 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-02 20:02:00,542 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:02:00,542 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:02:00,543 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:02:00,574 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-02 20:02:00,575 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-02 20:02:00,575 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive)) [2022-11-02 20:02:00,576 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive [2022-11-02 20:02:00,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) [2022-11-02 20:02:00,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive)) [2022-11-02 20:02:00,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && !(\result == 0)) && waterLevel == 1)) || 0 == systemActive) [2022-11-02 20:02:00,578 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive [2022-11-02 20:02:00,578 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(\result == 0)) && !(tmp == 0)) && waterLevel == 1)) || !(\old(waterLevel) == 1)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(\result == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-02 20:02:00,578 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive [2022-11-02 20:02:00,579 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive [2022-11-02 20:02:00,579 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive [2022-11-02 20:02:00,579 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive [2022-11-02 20:02:00,605 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:02:00,605 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:02:00,606 INFO L158 Benchmark]: Toolchain (without parser) took 6917.56ms. Allocated memory was 111.1MB in the beginning and 165.7MB in the end (delta: 54.5MB). Free memory was 72.4MB in the beginning and 97.3MB in the end (delta: -24.9MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2022-11-02 20:02:00,606 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 111.1MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:02:00,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 550.38ms. Allocated memory is still 111.1MB. Free memory was 72.2MB in the beginning and 78.3MB in the end (delta: -6.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:02:00,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.19ms. Allocated memory is still 111.1MB. Free memory was 78.3MB in the beginning and 75.7MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:02:00,607 INFO L158 Benchmark]: Boogie Preprocessor took 35.00ms. Allocated memory is still 111.1MB. Free memory was 75.7MB in the beginning and 74.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:02:00,608 INFO L158 Benchmark]: RCFGBuilder took 679.85ms. Allocated memory is still 111.1MB. Free memory was 74.2MB in the beginning and 57.3MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-02 20:02:00,608 INFO L158 Benchmark]: TraceAbstraction took 5494.98ms. Allocated memory was 111.1MB in the beginning and 165.7MB in the end (delta: 54.5MB). Free memory was 56.8MB in the beginning and 102.5MB in the end (delta: -45.7MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. [2022-11-02 20:02:00,609 INFO L158 Benchmark]: Witness Printer took 87.72ms. Allocated memory is still 165.7MB. Free memory was 102.5MB in the beginning and 97.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:02:00,611 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 111.1MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 550.38ms. Allocated memory is still 111.1MB. Free memory was 72.2MB in the beginning and 78.3MB in the end (delta: -6.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.19ms. Allocated memory is still 111.1MB. Free memory was 78.3MB in the beginning and 75.7MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.00ms. Allocated memory is still 111.1MB. Free memory was 75.7MB in the beginning and 74.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 679.85ms. Allocated memory is still 111.1MB. Free memory was 74.2MB in the beginning and 57.3MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5494.98ms. Allocated memory was 111.1MB in the beginning and 165.7MB in the end (delta: 54.5MB). Free memory was 56.8MB in the beginning and 102.5MB in the end (delta: -45.7MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. * Witness Printer took 87.72ms. Allocated memory is still 165.7MB. Free memory was 102.5MB in the beginning and 97.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 882]: 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 6 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 404 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 401 mSDsluCounter, 1127 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 748 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 291 IncrementalHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 379 mSDtfsCounter, 291 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 178 GetRequests, 136 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=4, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 227 PreInvPairs, 249 NumberOfFragments, 603 HoareAnnotationTreeSize, 227 FomulaSimplifications, 105 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 474 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 248 NumberOfCodeBlocks, 248 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 301 ConstructedInterpolants, 0 QuantifiedInterpolants, 760 SizeOfPredicates, 0 NumberOfNonLiveVariables, 372 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 66/72 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: 861]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(\result == 0)) && !(tmp == 0)) && waterLevel == 1)) || !(\old(waterLevel) == 1)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(\result == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && !(\result == 0)) && waterLevel == 1)) || 0 == systemActive) - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive RESULT: Ultimate proved your program to be correct! [2022-11-02 20:02:00,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a0d5a4-5d46-43eb-9ef0-aadd1c5af578/bin/uautomizer-Dbtcem3rbc/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