./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_2542346e-ac4d-434b-befb-3eaea7b1c85f/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/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_2542346e-ac4d-434b-befb-3eaea7b1c85f/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/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_2542346e-ac4d-434b-befb-3eaea7b1c85f/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 9cfe95aaca007f6467395901a9efc89e5ad27f0fc32ae7ae8a1fe4e27a1f35c1 --- 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 20:17:36,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:17:36,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:17:37,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:17:37,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:17:37,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:17:37,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:17:37,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:17:37,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:17:37,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:17:37,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:17:37,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:17:37,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:17:37,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:17:37,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:17:37,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:17:37,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:17:37,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:17:37,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:17:37,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:17:37,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:17:37,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:17:37,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:17:37,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:17:37,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:17:37,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:17:37,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:17:37,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:17:37,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:17:37,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:17:37,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:17:37,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:17:37,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:17:37,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:17:37,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:17:37,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:17:37,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:17:37,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:17:37,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:17:37,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:17:37,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:17:37,102 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:17:37,129 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:17:37,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:17:37,130 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:17:37,131 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:17:37,132 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:17:37,132 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:17:37,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:17:37,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:17:37,134 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:17:37,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:17:37,135 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:17:37,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:17:37,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:17:37,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:17:37,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:17:37,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:17:37,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:17:37,137 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:17:37,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:17:37,138 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:17:37,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:17:37,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:17:37,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:17:37,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:17:37,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:17:37,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:17:37,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:17:37,141 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:17:37,141 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:17:37,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:17:37,142 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:17:37,142 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:17:37,142 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:17:37,143 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_2542346e-ac4d-434b-befb-3eaea7b1c85f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cfe95aaca007f6467395901a9efc89e5ad27f0fc32ae7ae8a1fe4e27a1f35c1 [2022-11-02 20:17:37,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:17:37,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:17:37,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:17:37,472 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:17:37,473 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:17:37,475 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2022-11-02 20:17:37,586 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/bin/uautomizer-Dbtcem3rbc/data/99597d474/1640d187eb624093a3b870da4d6ec220/FLAGb4dca3744 [2022-11-02 20:17:38,199 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:17:38,200 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2022-11-02 20:17:38,214 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/bin/uautomizer-Dbtcem3rbc/data/99597d474/1640d187eb624093a3b870da4d6ec220/FLAGb4dca3744 [2022-11-02 20:17:38,469 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/bin/uautomizer-Dbtcem3rbc/data/99597d474/1640d187eb624093a3b870da4d6ec220 [2022-11-02 20:17:38,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:17:38,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:17:38,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:17:38,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:17:38,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:17:38,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:17:38" (1/1) ... [2022-11-02 20:17:38,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20832690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:38, skipping insertion in model container [2022-11-02 20:17:38,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:17:38" (1/1) ... [2022-11-02 20:17:38,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:17:38,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:17:38,835 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_2542346e-ac4d-434b-befb-3eaea7b1c85f/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c[1605,1618] [2022-11-02 20:17:39,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:17:39,092 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:17:39,115 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_2542346e-ac4d-434b-befb-3eaea7b1c85f/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c[1605,1618] [2022-11-02 20:17:39,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:17:39,235 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:17:39,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:39 WrapperNode [2022-11-02 20:17:39,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:17:39,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:17:39,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:17:39,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:17:39,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:39" (1/1) ... [2022-11-02 20:17:39,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:39" (1/1) ... [2022-11-02 20:17:39,318 INFO L138 Inliner]: procedures = 58, calls = 158, calls flagged for inlining = 26, calls inlined = 22, statements flattened = 265 [2022-11-02 20:17:39,319 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:17:39,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:17:39,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:17:39,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:17:39,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:39" (1/1) ... [2022-11-02 20:17:39,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:39" (1/1) ... [2022-11-02 20:17:39,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:39" (1/1) ... [2022-11-02 20:17:39,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:39" (1/1) ... [2022-11-02 20:17:39,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:39" (1/1) ... [2022-11-02 20:17:39,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:39" (1/1) ... [2022-11-02 20:17:39,365 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:39" (1/1) ... [2022-11-02 20:17:39,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:39" (1/1) ... [2022-11-02 20:17:39,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:17:39,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:17:39,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:17:39,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:17:39,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:39" (1/1) ... [2022-11-02 20:17:39,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:17:39,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:17:39,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:17:39,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:17:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:17:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-02 20:17:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-02 20:17:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-02 20:17:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-02 20:17:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-02 20:17:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-02 20:17:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-02 20:17:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-02 20:17:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-02 20:17:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-02 20:17:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-02 20:17:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-02 20:17:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:17:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-02 20:17:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-02 20:17:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:17:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:17:39,652 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:17:39,655 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:17:40,104 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:17:40,113 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:17:40,113 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:17:40,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:17:40 BoogieIcfgContainer [2022-11-02 20:17:40,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:17:40,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:17:40,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:17:40,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:17:40,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:17:38" (1/3) ... [2022-11-02 20:17:40,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e28db1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:17:40, skipping insertion in model container [2022-11-02 20:17:40,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:39" (2/3) ... [2022-11-02 20:17:40,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e28db1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:17:40, skipping insertion in model container [2022-11-02 20:17:40,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:17:40" (3/3) ... [2022-11-02 20:17:40,127 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2022-11-02 20:17:40,151 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:17:40,151 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:17:40,220 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:17:40,231 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;@39ada107, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:17:40,231 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:17:40,237 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 72 states have (on average 1.375) internal successors, (99), 80 states have internal predecessors, (99), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-02 20:17:40,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-02 20:17:40,252 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:17:40,253 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:17:40,254 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:17:40,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:40,261 INFO L85 PathProgramCache]: Analyzing trace with hash 58300630, now seen corresponding path program 1 times [2022-11-02 20:17:40,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:40,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375385478] [2022-11-02 20:17:40,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:40,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:40,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-02 20:17:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:40,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:17:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:40,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:17:40,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:40,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375385478] [2022-11-02 20:17:40,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375385478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:40,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:40,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:17:40,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804112406] [2022-11-02 20:17:40,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:40,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:17:40,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:40,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:17:40,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:17:40,745 INFO L87 Difference]: Start difference. First operand has 93 states, 72 states have (on average 1.375) internal successors, (99), 80 states have internal predecessors, (99), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:17:40,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:17:40,789 INFO L93 Difference]: Finished difference Result 177 states and 240 transitions. [2022-11-02 20:17:40,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:17:40,792 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-02 20:17:40,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:17:40,804 INFO L225 Difference]: With dead ends: 177 [2022-11-02 20:17:40,804 INFO L226 Difference]: Without dead ends: 84 [2022-11-02 20:17:40,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:17:40,813 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:17:40,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:17:40,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-02 20:17:40,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-11-02 20:17:40,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 72 states have internal predecessors, (85), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-02 20:17:40,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2022-11-02 20:17:40,877 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 32 [2022-11-02 20:17:40,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:17:40,878 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2022-11-02 20:17:40,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:17:40,879 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2022-11-02 20:17:40,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-02 20:17:40,902 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:17:40,902 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:17:40,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:17:40,903 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:17:40,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:40,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1182453555, now seen corresponding path program 1 times [2022-11-02 20:17:40,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:40,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414041106] [2022-11-02 20:17:40,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:40,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:41,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:17:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:41,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:17:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:41,154 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:17:41,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:41,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414041106] [2022-11-02 20:17:41,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414041106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:41,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:41,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:17:41,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929290241] [2022-11-02 20:17:41,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:41,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:17:41,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:41,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:17:41,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:17:41,160 INFO L87 Difference]: Start difference. First operand 84 states and 108 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:17:41,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:17:41,183 INFO L93 Difference]: Finished difference Result 132 states and 170 transitions. [2022-11-02 20:17:41,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:17:41,184 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-02 20:17:41,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:17:41,186 INFO L225 Difference]: With dead ends: 132 [2022-11-02 20:17:41,186 INFO L226 Difference]: Without dead ends: 75 [2022-11-02 20:17:41,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:17:41,189 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 13 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:17:41,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 173 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:17:41,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-02 20:17:41,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-11-02 20:17:41,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 66 states have internal predecessors, (78), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-02 20:17:41,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions. [2022-11-02 20:17:41,205 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 33 [2022-11-02 20:17:41,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:17:41,205 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 96 transitions. [2022-11-02 20:17:41,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:17:41,206 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2022-11-02 20:17:41,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-02 20:17:41,207 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:17:41,208 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:17:41,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:17:41,208 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:17:41,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:41,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1082286122, now seen corresponding path program 1 times [2022-11-02 20:17:41,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:41,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203896934] [2022-11-02 20:17:41,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:41,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:41,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:17:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:41,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-02 20:17:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:41,401 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:17:41,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:41,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203896934] [2022-11-02 20:17:41,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203896934] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:41,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:41,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:17:41,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641228392] [2022-11-02 20:17:41,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:41,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:17:41,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:41,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:17:41,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:17:41,415 INFO L87 Difference]: Start difference. First operand 75 states and 96 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:17:41,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:17:41,494 INFO L93 Difference]: Finished difference Result 142 states and 185 transitions. [2022-11-02 20:17:41,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:17:41,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-11-02 20:17:41,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:17:41,497 INFO L225 Difference]: With dead ends: 142 [2022-11-02 20:17:41,497 INFO L226 Difference]: Without dead ends: 75 [2022-11-02 20:17:41,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:17:41,500 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 86 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:17:41,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 94 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:17:41,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-02 20:17:41,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-11-02 20:17:41,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.305084745762712) internal successors, (77), 66 states have internal predecessors, (77), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-02 20:17:41,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 95 transitions. [2022-11-02 20:17:41,519 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 95 transitions. Word has length 38 [2022-11-02 20:17:41,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:17:41,521 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 95 transitions. [2022-11-02 20:17:41,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:17:41,521 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 95 transitions. [2022-11-02 20:17:41,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-02 20:17:41,523 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:17:41,524 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:17:41,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:17:41,524 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:17:41,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:41,525 INFO L85 PathProgramCache]: Analyzing trace with hash 605778703, now seen corresponding path program 1 times [2022-11-02 20:17:41,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:41,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850211967] [2022-11-02 20:17:41,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:41,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:41,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:17:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:41,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:17:41,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:41,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:17:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:41,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:17:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:41,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:17:41,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:41,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850211967] [2022-11-02 20:17:41,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850211967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:41,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:41,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:17:41,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702153538] [2022-11-02 20:17:41,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:41,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:17:41,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:41,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:17:41,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:17:41,688 INFO L87 Difference]: Start difference. First operand 75 states and 95 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 20:17:41,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:17:41,958 INFO L93 Difference]: Finished difference Result 221 states and 282 transitions. [2022-11-02 20:17:41,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:17:41,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 48 [2022-11-02 20:17:41,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:17:41,961 INFO L225 Difference]: With dead ends: 221 [2022-11-02 20:17:41,961 INFO L226 Difference]: Without dead ends: 154 [2022-11-02 20:17:41,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:17:41,964 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 195 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:17:42,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 318 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:17:42,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-11-02 20:17:42,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 148. [2022-11-02 20:17:42,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 115 states have (on average 1.2695652173913043) internal successors, (146), 122 states have internal predecessors, (146), 16 states have call successors, (16), 13 states have call predecessors, (16), 16 states have return successors, (21), 17 states have call predecessors, (21), 16 states have call successors, (21) [2022-11-02 20:17:42,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 183 transitions. [2022-11-02 20:17:42,051 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 183 transitions. Word has length 48 [2022-11-02 20:17:42,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:17:42,058 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 183 transitions. [2022-11-02 20:17:42,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 20:17:42,058 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 183 transitions. [2022-11-02 20:17:42,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-02 20:17:42,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:17:42,064 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:17:42,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:17:42,065 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:17:42,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:42,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1075912719, now seen corresponding path program 1 times [2022-11-02 20:17:42,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:42,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929346002] [2022-11-02 20:17:42,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:42,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:42,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:17:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:42,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:17:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:42,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:17:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:42,393 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:17:42,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:42,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929346002] [2022-11-02 20:17:42,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929346002] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:42,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:42,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:17:42,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795302157] [2022-11-02 20:17:42,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:42,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:17:42,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:42,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:17:42,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:17:42,404 INFO L87 Difference]: Start difference. First operand 148 states and 183 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:17:42,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:17:42,665 INFO L93 Difference]: Finished difference Result 296 states and 370 transitions. [2022-11-02 20:17:42,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:17:42,666 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2022-11-02 20:17:42,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:17:42,677 INFO L225 Difference]: With dead ends: 296 [2022-11-02 20:17:42,677 INFO L226 Difference]: Without dead ends: 156 [2022-11-02 20:17:42,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:17:42,686 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 66 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:17:42,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 392 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:17:42,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-11-02 20:17:42,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 151. [2022-11-02 20:17:42,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 125 states have internal predecessors, (149), 16 states have call successors, (16), 13 states have call predecessors, (16), 16 states have return successors, (21), 17 states have call predecessors, (21), 16 states have call successors, (21) [2022-11-02 20:17:42,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 186 transitions. [2022-11-02 20:17:42,747 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 186 transitions. Word has length 52 [2022-11-02 20:17:42,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:17:42,747 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 186 transitions. [2022-11-02 20:17:42,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:17:42,748 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 186 transitions. [2022-11-02 20:17:42,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-02 20:17:42,749 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:17:42,750 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:17:42,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:17:42,750 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:17:42,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:42,751 INFO L85 PathProgramCache]: Analyzing trace with hash -613031023, now seen corresponding path program 1 times [2022-11-02 20:17:42,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:42,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361897737] [2022-11-02 20:17:42,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:42,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:42,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:17:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:42,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:17:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:42,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:17:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:42,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:17:42,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:42,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361897737] [2022-11-02 20:17:42,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361897737] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:42,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:42,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:17:42,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10550960] [2022-11-02 20:17:42,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:42,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:17:42,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:42,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:17:42,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:17:42,962 INFO L87 Difference]: Start difference. First operand 151 states and 186 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:17:43,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:17:43,138 INFO L93 Difference]: Finished difference Result 304 states and 381 transitions. [2022-11-02 20:17:43,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:17:43,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2022-11-02 20:17:43,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:17:43,141 INFO L225 Difference]: With dead ends: 304 [2022-11-02 20:17:43,141 INFO L226 Difference]: Without dead ends: 161 [2022-11-02 20:17:43,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:17:43,144 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 67 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:17:43,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 309 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:17:43,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-11-02 20:17:43,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 153. [2022-11-02 20:17:43,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 120 states have (on average 1.2583333333333333) internal successors, (151), 127 states have internal predecessors, (151), 16 states have call successors, (16), 13 states have call predecessors, (16), 16 states have return successors, (21), 17 states have call predecessors, (21), 16 states have call successors, (21) [2022-11-02 20:17:43,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 188 transitions. [2022-11-02 20:17:43,174 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 188 transitions. Word has length 52 [2022-11-02 20:17:43,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:17:43,175 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 188 transitions. [2022-11-02 20:17:43,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:17:43,175 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 188 transitions. [2022-11-02 20:17:43,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-02 20:17:43,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:17:43,177 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:17:43,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:17:43,178 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:17:43,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:43,179 INFO L85 PathProgramCache]: Analyzing trace with hash -190329197, now seen corresponding path program 1 times [2022-11-02 20:17:43,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:43,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951894716] [2022-11-02 20:17:43,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:43,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:43,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:17:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:43,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:17:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:43,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:17:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:43,322 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:17:43,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:43,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951894716] [2022-11-02 20:17:43,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951894716] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:43,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:43,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:17:43,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049645954] [2022-11-02 20:17:43,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:43,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:17:43,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:43,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:17:43,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:17:43,326 INFO L87 Difference]: Start difference. First operand 153 states and 188 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:17:43,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:17:43,658 INFO L93 Difference]: Finished difference Result 438 states and 558 transitions. [2022-11-02 20:17:43,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:17:43,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2022-11-02 20:17:43,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:17:43,661 INFO L225 Difference]: With dead ends: 438 [2022-11-02 20:17:43,662 INFO L226 Difference]: Without dead ends: 293 [2022-11-02 20:17:43,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:17:43,664 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 211 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:17:43,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 324 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:17:43,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2022-11-02 20:17:43,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 285. [2022-11-02 20:17:43,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 220 states have (on average 1.240909090909091) internal successors, (273), 231 states have internal predecessors, (273), 34 states have call successors, (34), 29 states have call predecessors, (34), 30 states have return successors, (49), 34 states have call predecessors, (49), 34 states have call successors, (49) [2022-11-02 20:17:43,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 356 transitions. [2022-11-02 20:17:43,705 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 356 transitions. Word has length 52 [2022-11-02 20:17:43,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:17:43,706 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 356 transitions. [2022-11-02 20:17:43,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:17:43,706 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 356 transitions. [2022-11-02 20:17:43,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-02 20:17:43,708 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:17:43,708 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:17:43,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:17:43,708 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:17:43,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:43,709 INFO L85 PathProgramCache]: Analyzing trace with hash 2088078071, now seen corresponding path program 1 times [2022-11-02 20:17:43,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:43,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164574151] [2022-11-02 20:17:43,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:43,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:43,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:17:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:43,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:17:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:43,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:17:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:43,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 20:17:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:43,912 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:17:43,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:43,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164574151] [2022-11-02 20:17:43,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164574151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:43,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:43,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:17:43,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523525174] [2022-11-02 20:17:43,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:43,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:17:43,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:43,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:17:43,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:17:43,916 INFO L87 Difference]: Start difference. First operand 285 states and 356 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:17:44,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:17:44,302 INFO L93 Difference]: Finished difference Result 578 states and 733 transitions. [2022-11-02 20:17:44,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-02 20:17:44,303 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-11-02 20:17:44,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:17:44,310 INFO L225 Difference]: With dead ends: 578 [2022-11-02 20:17:44,310 INFO L226 Difference]: Without dead ends: 301 [2022-11-02 20:17:44,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-02 20:17:44,312 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 126 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:17:44,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 444 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:17:44,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2022-11-02 20:17:44,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 281. [2022-11-02 20:17:44,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 216 states have (on average 1.2083333333333333) internal successors, (261), 227 states have internal predecessors, (261), 34 states have call successors, (34), 29 states have call predecessors, (34), 30 states have return successors, (49), 34 states have call predecessors, (49), 34 states have call successors, (49) [2022-11-02 20:17:44,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 344 transitions. [2022-11-02 20:17:44,376 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 344 transitions. Word has length 54 [2022-11-02 20:17:44,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:17:44,379 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 344 transitions. [2022-11-02 20:17:44,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:17:44,380 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 344 transitions. [2022-11-02 20:17:44,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-02 20:17:44,384 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:17:44,385 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:17:44,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:17:44,385 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:17:44,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:44,387 INFO L85 PathProgramCache]: Analyzing trace with hash -312737299, now seen corresponding path program 1 times [2022-11-02 20:17:44,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:44,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581973901] [2022-11-02 20:17:44,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:44,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:44,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:17:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:44,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:17:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:44,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:17:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:44,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:17:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:44,816 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:17:44,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:44,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581973901] [2022-11-02 20:17:44,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581973901] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:44,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:44,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-02 20:17:44,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141206156] [2022-11-02 20:17:44,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:44,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-02 20:17:44,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:44,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-02 20:17:44,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:17:44,822 INFO L87 Difference]: Start difference. First operand 281 states and 344 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-02 20:17:45,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:17:45,930 INFO L93 Difference]: Finished difference Result 833 states and 1056 transitions. [2022-11-02 20:17:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-02 20:17:45,931 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2022-11-02 20:17:45,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:17:45,936 INFO L225 Difference]: With dead ends: 833 [2022-11-02 20:17:45,936 INFO L226 Difference]: Without dead ends: 611 [2022-11-02 20:17:45,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=187, Invalid=743, Unknown=0, NotChecked=0, Total=930 [2022-11-02 20:17:45,944 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 500 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:17:45,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 792 Invalid, 824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-02 20:17:45,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2022-11-02 20:17:46,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 522. [2022-11-02 20:17:46,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 403 states have (on average 1.2034739454094292) internal successors, (485), 425 states have internal predecessors, (485), 61 states have call successors, (61), 51 states have call predecessors, (61), 57 states have return successors, (85), 61 states have call predecessors, (85), 61 states have call successors, (85) [2022-11-02 20:17:46,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 631 transitions. [2022-11-02 20:17:46,038 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 631 transitions. Word has length 56 [2022-11-02 20:17:46,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:17:46,039 INFO L495 AbstractCegarLoop]: Abstraction has 522 states and 631 transitions. [2022-11-02 20:17:46,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-02 20:17:46,039 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 631 transitions. [2022-11-02 20:17:46,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-02 20:17:46,041 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:17:46,041 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:17:46,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 20:17:46,041 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:17:46,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:46,042 INFO L85 PathProgramCache]: Analyzing trace with hash -514851068, now seen corresponding path program 1 times [2022-11-02 20:17:46,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:46,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562225157] [2022-11-02 20:17:46,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:46,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:46,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:17:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:46,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:17:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:46,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:17:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:46,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:17:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:46,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-02 20:17:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:46,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:17:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:46,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:17:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:46,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-02 20:17:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:46,237 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-02 20:17:46,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:46,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562225157] [2022-11-02 20:17:46,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562225157] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:17:46,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833086205] [2022-11-02 20:17:46,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:46,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:17:46,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:17:46,241 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:17:46,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:17:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:46,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:17:46,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:17:46,749 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:17:46,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:17:47,115 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-02 20:17:47,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833086205] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:17:47,116 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:17:47,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 14 [2022-11-02 20:17:47,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069855162] [2022-11-02 20:17:47,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:17:47,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-02 20:17:47,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:47,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-02 20:17:47,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:17:47,119 INFO L87 Difference]: Start difference. First operand 522 states and 631 transitions. Second operand has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 10 states have internal predecessors, (116), 5 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2022-11-02 20:17:48,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:17:48,984 INFO L93 Difference]: Finished difference Result 1195 states and 1490 transitions. [2022-11-02 20:17:48,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-02 20:17:48,985 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 10 states have internal predecessors, (116), 5 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 98 [2022-11-02 20:17:48,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:17:48,990 INFO L225 Difference]: With dead ends: 1195 [2022-11-02 20:17:48,990 INFO L226 Difference]: Without dead ends: 730 [2022-11-02 20:17:48,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 223 SyntacticMatches, 4 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 573 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=471, Invalid=1881, Unknown=0, NotChecked=0, Total=2352 [2022-11-02 20:17:48,994 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 475 mSDsluCounter, 1351 mSDsCounter, 0 mSdLazyCounter, 1083 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 1562 SdHoareTripleChecker+Invalid, 1260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 1083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:17:48,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 1562 Invalid, 1260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 1083 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-02 20:17:48,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2022-11-02 20:17:49,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 592. [2022-11-02 20:17:49,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 454 states have (on average 1.198237885462555) internal successors, (544), 483 states have internal predecessors, (544), 71 states have call successors, (71), 61 states have call predecessors, (71), 66 states have return successors, (91), 68 states have call predecessors, (91), 71 states have call successors, (91) [2022-11-02 20:17:49,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 706 transitions. [2022-11-02 20:17:49,102 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 706 transitions. Word has length 98 [2022-11-02 20:17:49,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:17:49,104 INFO L495 AbstractCegarLoop]: Abstraction has 592 states and 706 transitions. [2022-11-02 20:17:49,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 10 states have internal predecessors, (116), 5 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2022-11-02 20:17:49,104 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 706 transitions. [2022-11-02 20:17:49,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-11-02 20:17:49,116 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:17:49,116 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:17:49,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:17:49,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-02 20:17:49,331 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:17:49,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:49,332 INFO L85 PathProgramCache]: Analyzing trace with hash 2133918754, now seen corresponding path program 1 times [2022-11-02 20:17:49,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:49,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339754481] [2022-11-02 20:17:49,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:49,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:49,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:17:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:49,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:17:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:49,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:17:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:49,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:17:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:49,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-02 20:17:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:49,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:17:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:49,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:17:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:49,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:17:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:49,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:17:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:49,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:17:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:49,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-02 20:17:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:49,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-02 20:17:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:49,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-02 20:17:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:49,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-02 20:17:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:49,806 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 72 proven. 5 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2022-11-02 20:17:49,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:49,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339754481] [2022-11-02 20:17:49,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339754481] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:17:49,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921349841] [2022-11-02 20:17:49,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:49,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:17:49,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:17:49,809 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:17:49,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 20:17:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:50,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-02 20:17:50,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:17:50,334 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 144 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-02 20:17:50,334 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:17:51,094 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 82 proven. 44 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-02 20:17:51,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921349841] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:17:51,094 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:17:51,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 25 [2022-11-02 20:17:51,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671748492] [2022-11-02 20:17:51,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:17:51,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-02 20:17:51,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:51,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-02 20:17:51,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2022-11-02 20:17:51,101 INFO L87 Difference]: Start difference. First operand 592 states and 706 transitions. Second operand has 25 states, 25 states have (on average 8.76) internal successors, (219), 22 states have internal predecessors, (219), 9 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 8 states have call predecessors, (32), 9 states have call successors, (32) [2022-11-02 20:17:52,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:17:52,859 INFO L93 Difference]: Finished difference Result 1257 states and 1548 transitions. [2022-11-02 20:17:52,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-02 20:17:52,860 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.76) internal successors, (219), 22 states have internal predecessors, (219), 9 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 8 states have call predecessors, (32), 9 states have call successors, (32) Word has length 176 [2022-11-02 20:17:52,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:17:52,861 INFO L225 Difference]: With dead ends: 1257 [2022-11-02 20:17:52,862 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:17:52,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 368 SyntacticMatches, 5 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=483, Invalid=1773, Unknown=0, NotChecked=0, Total=2256 [2022-11-02 20:17:52,874 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 550 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 1058 SdHoareTripleChecker+Invalid, 1340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:17:52,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 1058 Invalid, 1340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 1174 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-02 20:17:52,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:17:52,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:17:52,877 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 20:17:52,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:17:52,877 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2022-11-02 20:17:52,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:17:52,878 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:17:52,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.76) internal successors, (219), 22 states have internal predecessors, (219), 9 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 8 states have call predecessors, (32), 9 states have call successors, (32) [2022-11-02 20:17:52,879 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:17:52,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:17:52,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:17:52,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:17:53,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-02 20:17:53,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:18:01,846 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 102 108) no Hoare annotation was computed. [2022-11-02 20:18:01,846 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 102 108) the Hoare annotation is: true [2022-11-02 20:18:01,847 INFO L899 garLoopResultBuilder]: For program point L381-1(lines 377 388) no Hoare annotation was computed. [2022-11-02 20:18:01,847 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 377 388) the Hoare annotation is: true [2022-11-02 20:18:01,847 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 377 388) no Hoare annotation was computed. [2022-11-02 20:18:01,847 INFO L899 garLoopResultBuilder]: For program point L929(line 929) no Hoare annotation was computed. [2022-11-02 20:18:01,847 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 908 937) no Hoare annotation was computed. [2022-11-02 20:18:01,847 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 908 937) the Hoare annotation is: true [2022-11-02 20:18:01,847 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 926) no Hoare annotation was computed. [2022-11-02 20:18:01,848 INFO L902 garLoopResultBuilder]: At program point L922-1(lines 922 926) the Hoare annotation is: true [2022-11-02 20:18:01,848 INFO L899 garLoopResultBuilder]: For program point L919(line 919) no Hoare annotation was computed. [2022-11-02 20:18:01,848 INFO L902 garLoopResultBuilder]: At program point L918-2(lines 918 932) the Hoare annotation is: true [2022-11-02 20:18:01,848 INFO L902 garLoopResultBuilder]: At program point L914(line 914) the Hoare annotation is: true [2022-11-02 20:18:01,848 INFO L899 garLoopResultBuilder]: For program point L914-1(line 914) no Hoare annotation was computed. [2022-11-02 20:18:01,848 INFO L902 garLoopResultBuilder]: At program point L933(lines 908 937) the Hoare annotation is: true [2022-11-02 20:18:01,849 INFO L895 garLoopResultBuilder]: At program point L155(line 155) the Hoare annotation is: (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse2 (not (< 1 |old(~waterLevel~0)|)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-02 20:18:01,850 INFO L895 garLoopResultBuilder]: At program point L155-1(lines 136 160) the Hoare annotation is: (let ((.cse13 (<= 1 ~pumpRunning~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse15 (<= ~waterLevel~0 1)) (.cse14 (= 1 ~systemActive~0)) (.cse16 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse8 (and .cse11 .cse1 .cse2 .cse15 .cse14 .cse16 .cse4)) (.cse0 (not .cse14)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (and .cse13 .cse6 .cse15 .cse14 .cse16 .cse4)) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (let ((.cse3 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 (not (< 1 |old(~waterLevel~0)|)) (and .cse6 .cse3 .cse4) .cse7)) (or (not (= |old(~waterLevel~0)| 1)) .cse8 .cse0 .cse5 .cse9 .cse10) (or .cse11 (and .cse1 .cse12) .cse0 .cse7 (and .cse13 (= 2 ~waterLevel~0) .cse12)) (or (and .cse6 .cse12 .cse4) .cse8 .cse0 .cse5 (and .cse11 .cse1 .cse2 .cse14 .cse12 .cse4) .cse9 .cse7 .cse10)))) [2022-11-02 20:18:01,850 INFO L899 garLoopResultBuilder]: For program point L89-1(lines 89 95) no Hoare annotation was computed. [2022-11-02 20:18:01,850 INFO L895 garLoopResultBuilder]: At program point L849(line 849) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse13 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse17 (<= ~waterLevel~0 1)) (.cse16 (= 1 ~systemActive~0)) (.cse18 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse14 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| ~waterLevel~0)) (.cse11 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse2 (and .cse5 .cse6 .cse7 .cse13 .cse17 .cse16 .cse18 .cse14 .cse11)) (.cse3 (and (<= 1 ~pumpRunning~0) .cse9 .cse7 .cse17 .cse16 .cse18 .cse14 .cse11)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not .cse16)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse5 .cse0 (and .cse6 .cse7 (< |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| 2) .cse8)) (let ((.cse10 (not (<= 2 |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1|)))) (or .cse0 .cse1 .cse2 (and .cse9 .cse7 .cse8 .cse10 .cse11) .cse3 .cse12 (and .cse6 .cse7 .cse13 .cse8 .cse10 .cse11) .cse4)) (or .cse5 .cse0 .cse12 (not (<= 2 |old(~waterLevel~0)|))) (let ((.cse15 (= ~waterLevel~0 1))) (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (and .cse6 .cse7 .cse13 .cse14 .cse15 .cse11) .cse12 (and .cse9 .cse7 .cse14 .cse15 .cse11)))))) [2022-11-02 20:18:01,850 INFO L899 garLoopResultBuilder]: For program point L849-1(line 849) no Hoare annotation was computed. [2022-11-02 20:18:01,851 INFO L895 garLoopResultBuilder]: At program point L267(lines 252 270) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (and (<= 1 ~pumpRunning~0) .cse2 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not .cse7)) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse0 .cse1 .cse5 .cse6) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse5 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse4)))) [2022-11-02 20:18:01,851 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 75 101) no Hoare annotation was computed. [2022-11-02 20:18:01,851 INFO L895 garLoopResultBuilder]: At program point L449(lines 444 452) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5)))) [2022-11-02 20:18:01,852 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 88) no Hoare annotation was computed. [2022-11-02 20:18:01,852 INFO L899 garLoopResultBuilder]: For program point L82-2(lines 78 100) no Hoare annotation was computed. [2022-11-02 20:18:01,852 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 152) no Hoare annotation was computed. [2022-11-02 20:18:01,852 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 157) no Hoare annotation was computed. [2022-11-02 20:18:01,852 INFO L895 garLoopResultBuilder]: At program point L834(line 834) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse4 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse3 .cse5)))) [2022-11-02 20:18:01,853 INFO L899 garLoopResultBuilder]: For program point L834-1(line 834) no Hoare annotation was computed. [2022-11-02 20:18:01,853 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-11-02 20:18:01,853 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 861) no Hoare annotation was computed. [2022-11-02 20:18:01,853 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 864) no Hoare annotation was computed. [2022-11-02 20:18:01,853 INFO L895 garLoopResultBuilder]: At program point L174(lines 169 176) the Hoare annotation is: (let ((.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse9 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse6 (and .cse8 .cse1 .cse2 (<= ~waterLevel~0 1) .cse9 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not .cse9)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2 (= ~waterLevel~0 1) .cse3) .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse6 .cse0 .cse4 .cse7) (or (and .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse6 .cse0 .cse4 .cse5 .cse7) (or .cse8 .cse0 .cse5)))) [2022-11-02 20:18:01,854 INFO L895 garLoopResultBuilder]: At program point L847-1(lines 839 867) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse14 (<= 1 ~pumpRunning~0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse20 (<= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse21 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse18 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| ~waterLevel~0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse8 (and .cse14 .cse12 .cse0 .cse2 .cse20 .cse4 .cse21 .cse18 .cse7)) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (and .cse0 .cse1 .cse2 .cse3 .cse20 .cse4 .cse21 .cse18 .cse7)) (.cse13 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse9 (not .cse4)) (.cse6 (not (<= 2 |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1|))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse17 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (not (<= |old(~waterLevel~0)| 1)) .cse8 .cse9 .cse10 .cse11 (and .cse12 .cse0 .cse2 .cse4 .cse5 .cse6 .cse7) .cse13) (let ((.cse15 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| 2)) (.cse16 (= 2 |timeShift_getWaterLevel_#res#1|))) (or .cse0 .cse9 (and .cse14 .cse15 .cse16) (and .cse1 .cse15 .cse16) .cse17 (not (<= 2 |old(~waterLevel~0)|)))) (let ((.cse19 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse18 .cse19 .cse7) .cse9 .cse10 (not (< 1 |old(~waterLevel~0)|)) (and .cse12 .cse0 .cse2 .cse4 .cse18 .cse19 .cse7) .cse17)) (or .cse8 (not (= |old(~waterLevel~0)| 1)) .cse9 .cse10 .cse11 .cse13) (or .cse0 .cse9 (and .cse1 .cse2 .cse5 .cse6) (and (<= 2 ~waterLevel~0) .cse5) .cse17)))) [2022-11-02 20:18:01,854 INFO L895 garLoopResultBuilder]: At program point L426(lines 421 429) the Hoare annotation is: (let ((.cse6 (<= 1 ~pumpRunning~0)) (.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse10 (not (= |timeShift_processEnvironment_~tmp~1#1| 0))) (.cse15 (<= ~waterLevel~0 1)) (.cse11 (= 1 ~systemActive~0)) (.cse16 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse12 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (and .cse0 .cse2 .cse3 .cse10 .cse15 .cse11 .cse16 .cse12)) (.cse9 (and .cse6 .cse13 .cse3 .cse15 .cse11 .cse16 .cse12)) (.cse14 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not .cse11)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5 (and .cse6 (= 2 ~waterLevel~0) (= 2 |timeShift_getWaterLevel_#res#1|) .cse4)) (or .cse1 .cse7 .cse8 (not (= |old(~waterLevel~0)| 2)) .cse9) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 .cse7 .cse8 (and .cse0 .cse2 .cse3 .cse10 .cse11 .cse4 .cse12) (and .cse13 .cse3 .cse4 .cse12) .cse9 .cse14) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse7 .cse8 .cse9 .cse14) (or .cse1 .cse7 (not (< 1 |old(~waterLevel~0)|)) (= ~waterLevel~0 1) .cse5)))) [2022-11-02 20:18:01,855 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 265) no Hoare annotation was computed. [2022-11-02 20:18:01,855 INFO L899 garLoopResultBuilder]: For program point L261-2(lines 261 265) no Hoare annotation was computed. [2022-11-02 20:18:01,855 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse2))) [2022-11-02 20:18:01,855 INFO L895 garLoopResultBuilder]: At program point L150(line 150) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5)))) [2022-11-02 20:18:01,856 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 858) no Hoare annotation was computed. [2022-11-02 20:18:01,856 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 75 101) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse4 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse2 .cse4 (not (< 1 |old(~waterLevel~0)|)) .cse3 .cse5)))) [2022-11-02 20:18:01,856 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 75 101) no Hoare annotation was computed. [2022-11-02 20:18:01,856 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-11-02 20:18:01,856 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 361) no Hoare annotation was computed. [2022-11-02 20:18:01,857 INFO L895 garLoopResultBuilder]: At program point L836(lines 829 838) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) .cse1 .cse2) (or .cse3 .cse1 .cse4 (not (= |old(~waterLevel~0)| 2))) (or .cse3 .cse1 .cse4 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-11-02 20:18:01,857 INFO L895 garLoopResultBuilder]: At program point L357-2(lines 353 364) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5)))) [2022-11-02 20:18:01,857 INFO L895 garLoopResultBuilder]: At program point L894(lines 890 896) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-02 20:18:01,857 INFO L895 garLoopResultBuilder]: At program point L341(lines 292 342) the Hoare annotation is: false [2022-11-02 20:18:01,858 INFO L902 garLoopResultBuilder]: At program point L977(lines 969 979) the Hoare annotation is: true [2022-11-02 20:18:01,858 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:18:01,859 INFO L899 garLoopResultBuilder]: For program point L990(lines 990 997) no Hoare annotation was computed. [2022-11-02 20:18:01,859 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:18:01,859 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:18:01,859 INFO L899 garLoopResultBuilder]: For program point L990-2(lines 990 997) no Hoare annotation was computed. [2022-11-02 20:18:01,859 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 319) no Hoare annotation was computed. [2022-11-02 20:18:01,859 INFO L899 garLoopResultBuilder]: For program point L313-1(lines 313 319) no Hoare annotation was computed. [2022-11-02 20:18:01,859 INFO L895 garLoopResultBuilder]: At program point L887(lines 883 889) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-02 20:18:01,860 INFO L895 garLoopResultBuilder]: At program point L276(lines 271 278) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2022-11-02 20:18:01,860 INFO L895 garLoopResultBuilder]: At program point L338(lines 293 340) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2022-11-02 20:18:01,860 INFO L895 garLoopResultBuilder]: At program point L305(line 305) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2022-11-02 20:18:01,860 INFO L902 garLoopResultBuilder]: At program point L999(lines 980 1002) the Hoare annotation is: true [2022-11-02 20:18:01,860 INFO L895 garLoopResultBuilder]: At program point L966(lines 962 968) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-02 20:18:01,861 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:18:01,861 INFO L895 garLoopResultBuilder]: At program point L826(lines 821 828) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-02 20:18:01,861 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 335) no Hoare annotation was computed. [2022-11-02 20:18:01,861 INFO L895 garLoopResultBuilder]: At program point L331-2(lines 323 336) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2022-11-02 20:18:01,861 INFO L899 garLoopResultBuilder]: For program point L294(lines 293 340) no Hoare annotation was computed. [2022-11-02 20:18:01,861 INFO L899 garLoopResultBuilder]: For program point L323(lines 323 336) no Hoare annotation was computed. [2022-11-02 20:18:01,862 INFO L895 garLoopResultBuilder]: At program point L315(line 315) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2) (and .cse3 (= 2 ~waterLevel~0) .cse0 .cse1) (and .cse3 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2022-11-02 20:18:01,862 INFO L902 garLoopResultBuilder]: At program point L344(lines 283 348) the Hoare annotation is: true [2022-11-02 20:18:01,862 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 309) no Hoare annotation was computed. [2022-11-02 20:18:01,862 INFO L899 garLoopResultBuilder]: For program point L303-1(lines 303 309) no Hoare annotation was computed. [2022-11-02 20:18:01,862 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 299) no Hoare annotation was computed. [2022-11-02 20:18:01,862 INFO L895 garLoopResultBuilder]: At program point L902(lines 897 905) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-02 20:18:01,863 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 110 134) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse2 .cse3 .cse0 .cse1) (or .cse2 .cse3 .cse0 (not (= 2 ~waterLevel~0))))) [2022-11-02 20:18:01,863 INFO L895 garLoopResultBuilder]: At program point L124(line 124) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) (not (<= ~waterLevel~0 2))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-02 20:18:01,863 INFO L895 garLoopResultBuilder]: At program point L248(lines 233 251) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 1)))) (and (or (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0)) .cse0 .cse1 .cse2) (or .cse0 (= ~pumpRunning~0 0) .cse1 (not (<= ~waterLevel~0 2))) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-02 20:18:01,863 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 126) no Hoare annotation was computed. [2022-11-02 20:18:01,863 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 131) no Hoare annotation was computed. [2022-11-02 20:18:01,864 INFO L899 garLoopResultBuilder]: For program point L434(lines 434 440) no Hoare annotation was computed. [2022-11-02 20:18:01,864 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 246) no Hoare annotation was computed. [2022-11-02 20:18:01,864 INFO L899 garLoopResultBuilder]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2022-11-02 20:18:01,864 INFO L895 garLoopResultBuilder]: At program point L166(lines 161 168) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-02 20:18:01,864 INFO L895 garLoopResultBuilder]: At program point L129(line 129) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-02 20:18:01,864 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 110 134) no Hoare annotation was computed. [2022-11-02 20:18:01,865 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 110 134) no Hoare annotation was computed. [2022-11-02 20:18:01,865 INFO L895 garLoopResultBuilder]: At program point L439(lines 430 443) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (let ((.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)) (and .cse1 (= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-02 20:18:01,865 INFO L899 garLoopResultBuilder]: For program point L369-1(lines 365 376) no Hoare annotation was computed. [2022-11-02 20:18:01,865 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 365 376) no Hoare annotation was computed. [2022-11-02 20:18:01,865 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 365 376) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= ~pumpRunning~0 0)) .cse0 .cse2 (not (<= |old(~waterLevel~0)| 2))))) [2022-11-02 20:18:01,866 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 188 196) no Hoare annotation was computed. [2022-11-02 20:18:01,866 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 188 196) the Hoare annotation is: true [2022-11-02 20:18:01,866 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 188 196) no Hoare annotation was computed. [2022-11-02 20:18:01,869 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:18:01,872 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:18:01,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:18:01 BoogieIcfgContainer [2022-11-02 20:18:01,916 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:18:01,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:18:01,916 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:18:01,917 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:18:01,917 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:17:40" (3/4) ... [2022-11-02 20:18:01,920 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:18:01,927 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-02 20:18:01,928 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-02 20:18:01,928 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-02 20:18:01,928 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-02 20:18:01,929 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-02 20:18:01,929 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-02 20:18:01,929 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-02 20:18:01,937 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2022-11-02 20:18:01,938 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-02 20:18:01,938 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-02 20:18:01,939 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-02 20:18:01,939 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:18:01,940 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:18:01,941 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:18:01,972 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-02 20:18:01,972 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-02 20:18:01,973 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && !(2 <= tmp)) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) <= 1)) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && !(\old(pumpRunning) == 0)) && waterLevel == \result) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && waterLevel == \result) && 1 == systemActive) && \old(waterLevel) == waterLevel) && !(2 <= tmp)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((1 <= pumpRunning && tmp == 2) && 2 == \result)) || ((pumpRunning == 0 && tmp == 2) && 2 == \result)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && 1 == systemActive) && tmp <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((((((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && waterLevel == \result) && 1 == systemActive) && tmp <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && !(\old(pumpRunning) == 0)) && waterLevel == \result) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel) && !(2 <= tmp))) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) [2022-11-02 20:18:01,974 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || (((pumpRunning == 0 && !(tmp == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) == 1) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel))) && (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-02 20:18:01,974 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-02 20:18:01,974 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == \old(pumpRunning) && waterLevel == \result) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) [2022-11-02 20:18:01,975 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-02 20:18:01,975 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || (pumpRunning == 0 && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2022-11-02 20:18:01,976 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-02 20:18:01,976 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && tmp___0 == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(waterLevel <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2022-11-02 20:18:01,976 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || (((pumpRunning == 0 && !(tmp == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) == 1) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == 0 && !(tmp == 0)) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-02 20:18:01,977 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2022-11-02 20:18:02,006 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:18:02,007 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:18:02,008 INFO L158 Benchmark]: Toolchain (without parser) took 23533.97ms. Allocated memory was 123.7MB in the beginning and 224.4MB in the end (delta: 100.7MB). Free memory was 92.0MB in the beginning and 113.7MB in the end (delta: -21.6MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. [2022-11-02 20:18:02,008 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 88.1MB. Free memory was 45.0MB in the beginning and 45.0MB in the end (delta: 47.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:18:02,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 756.02ms. Allocated memory is still 123.7MB. Free memory was 92.0MB in the beginning and 92.9MB in the end (delta: -861.3kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:18:02,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.98ms. Allocated memory is still 123.7MB. Free memory was 92.4MB in the beginning and 90.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:18:02,009 INFO L158 Benchmark]: Boogie Preprocessor took 49.89ms. Allocated memory is still 123.7MB. Free memory was 90.0MB in the beginning and 88.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:18:02,010 INFO L158 Benchmark]: RCFGBuilder took 745.82ms. Allocated memory is still 123.7MB. Free memory was 88.2MB in the beginning and 69.1MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-02 20:18:02,010 INFO L158 Benchmark]: TraceAbstraction took 21796.87ms. Allocated memory was 123.7MB in the beginning and 224.4MB in the end (delta: 100.7MB). Free memory was 68.6MB in the beginning and 119.9MB in the end (delta: -51.4MB). Peak memory consumption was 103.2MB. Max. memory is 16.1GB. [2022-11-02 20:18:02,010 INFO L158 Benchmark]: Witness Printer took 90.63ms. Allocated memory is still 224.4MB. Free memory was 119.9MB in the beginning and 113.7MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:18:02,012 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 88.1MB. Free memory was 45.0MB in the beginning and 45.0MB in the end (delta: 47.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 756.02ms. Allocated memory is still 123.7MB. Free memory was 92.0MB in the beginning and 92.9MB in the end (delta: -861.3kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.98ms. Allocated memory is still 123.7MB. Free memory was 92.4MB in the beginning and 90.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.89ms. Allocated memory is still 123.7MB. Free memory was 90.0MB in the beginning and 88.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 745.82ms. Allocated memory is still 123.7MB. Free memory was 88.2MB in the beginning and 69.1MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 21796.87ms. Allocated memory was 123.7MB in the beginning and 224.4MB in the end (delta: 100.7MB). Free memory was 68.6MB in the beginning and 119.9MB in the end (delta: -51.4MB). Peak memory consumption was 103.2MB. Max. memory is 16.1GB. * Witness Printer took 90.63ms. Allocated memory is still 224.4MB. Free memory was 119.9MB in the beginning and 113.7MB in the end (delta: 6.3MB). 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: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.7s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2330 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2289 mSDsluCounter, 5583 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4196 mSDsCounter, 678 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3533 IncrementalHoareTripleChecker+Invalid, 4211 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 678 mSolverCounterUnsat, 1387 mSDtfsCounter, 3533 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 838 GetRequests, 667 SyntacticMatches, 10 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1239 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=592occurred in iteration=10, InterpolantAutomatonStates: 142, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 274 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 1363 PreInvPairs, 1644 NumberOfFragments, 2770 HoareAnnotationTreeSize, 1363 FomulaSimplifications, 2367 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 43 FomulaSimplificationsInter, 25091 FormulaSimplificationTreeSizeReductionInter, 7.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 965 NumberOfCodeBlocks, 965 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1224 ConstructedInterpolants, 0 QuantifiedInterpolants, 2388 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1163 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 644/717 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || (((pumpRunning == 0 && !(tmp == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) == 1) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel))) && (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) || (((pumpRunning == 0 && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || (((pumpRunning == 0 && !(tmp == 0)) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) == 1) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((pumpRunning == 0 && !(tmp == 0)) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == \old(pumpRunning) && waterLevel == \result) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: (((((\result == 0 && tmp___0 == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(waterLevel <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: (((((((((((((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && !(2 <= tmp)) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) <= 1)) || ((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && !(\old(pumpRunning) == 0)) && waterLevel == \result) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && waterLevel == \result) && 1 == systemActive) && \old(waterLevel) == waterLevel) && !(2 <= tmp)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((1 <= pumpRunning && tmp == 2) && 2 == \result)) || ((pumpRunning == 0 && tmp == 2) && 2 == \result)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && 1 == systemActive) && tmp <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((((((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && waterLevel == \result) && 1 == systemActive) && tmp <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && !(\old(pumpRunning) == 0)) && waterLevel == \result) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel == \result) && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel) && !(2 <= tmp))) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 1)) || (pumpRunning == 0 && 2 == waterLevel)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) RESULT: Ultimate proved your program to be correct! [2022-11-02 20:18:02,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2542346e-ac4d-434b-befb-3eaea7b1c85f/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