./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7573d0f26b9c64760f56bc1038037f99fa78fd69add5234955c16ce4082df45a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:14:18,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:14:18,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:14:18,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:14:18,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:14:18,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:14:18,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:14:18,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:14:18,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:14:18,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:14:18,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:14:18,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:14:18,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:14:18,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:14:18,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:14:18,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:14:18,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:14:18,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:14:18,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:14:18,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:14:18,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:14:18,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:14:18,543 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:14:18,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:14:18,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:14:18,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:14:18,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:14:18,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:14:18,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:14:18,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:14:18,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:14:18,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:14:18,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:14:18,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:14:18,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:14:18,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:14:18,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:14:18,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:14:18,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:14:18,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:14:18,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:14:18,572 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:14:18,609 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:14:18,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:14:18,614 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:14:18,615 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:14:18,615 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:14:18,615 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:14:18,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:14:18,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:14:18,617 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:14:18,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:14:18,617 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:14:18,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:14:18,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:14:18,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:14:18,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:14:18,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:14:18,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:14:18,618 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:14:18,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:14:18,619 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:14:18,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:14:18,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:14:18,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:14:18,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:14:18,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:14:18,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:14:18,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:14:18,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:14:18,623 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:14:18,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:14:18,623 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:14:18,623 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:14:18,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:14:18,624 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_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7573d0f26b9c64760f56bc1038037f99fa78fd69add5234955c16ce4082df45a [2022-11-16 12:14:18,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:14:18,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:14:18,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:14:18,912 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:14:18,913 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:14:18,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2022-11-16 12:14:18,996 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/data/f77a44dfc/257a6753b2894ef8a92b4b61afb2c8e2/FLAG451befa3e [2022-11-16 12:14:19,483 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:14:19,484 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2022-11-16 12:14:19,496 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/data/f77a44dfc/257a6753b2894ef8a92b4b61afb2c8e2/FLAG451befa3e [2022-11-16 12:14:19,818 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/data/f77a44dfc/257a6753b2894ef8a92b4b61afb2c8e2 [2022-11-16 12:14:19,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:14:19,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:14:19,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:14:19,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:14:19,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:14:19,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:14:19" (1/1) ... [2022-11-16 12:14:19,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee81ec1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:19, skipping insertion in model container [2022-11-16 12:14:19,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:14:19" (1/1) ... [2022-11-16 12:14:19,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:14:19,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:14:20,206 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c[18691,18704] [2022-11-16 12:14:20,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:14:20,232 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:14:20,346 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c[18691,18704] [2022-11-16 12:14:20,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:14:20,376 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:14:20,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:20 WrapperNode [2022-11-16 12:14:20,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:14:20,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:14:20,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:14:20,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:14:20,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:20" (1/1) ... [2022-11-16 12:14:20,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:20" (1/1) ... [2022-11-16 12:14:20,451 INFO L138 Inliner]: procedures = 56, calls = 156, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 280 [2022-11-16 12:14:20,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:14:20,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:14:20,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:14:20,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:14:20,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:20" (1/1) ... [2022-11-16 12:14:20,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:20" (1/1) ... [2022-11-16 12:14:20,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:20" (1/1) ... [2022-11-16 12:14:20,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:20" (1/1) ... [2022-11-16 12:14:20,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:20" (1/1) ... [2022-11-16 12:14:20,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:20" (1/1) ... [2022-11-16 12:14:20,484 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:20" (1/1) ... [2022-11-16 12:14:20,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:20" (1/1) ... [2022-11-16 12:14:20,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:14:20,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:14:20,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:14:20,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:14:20,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:20" (1/1) ... [2022-11-16 12:14:20,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:14:20,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:14:20,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:14:20,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:14:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:14:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-16 12:14:20,573 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-16 12:14:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 12:14:20,573 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 12:14:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 12:14:20,573 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 12:14:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 12:14:20,574 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 12:14:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 12:14:20,574 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 12:14:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:14:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 12:14:20,574 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 12:14:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:14:20,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:14:20,660 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:14:20,662 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:14:21,189 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:14:21,211 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:14:21,211 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:14:21,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:14:21 BoogieIcfgContainer [2022-11-16 12:14:21,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:14:21,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:14:21,217 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:14:21,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:14:21,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:14:19" (1/3) ... [2022-11-16 12:14:21,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eabca83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:14:21, skipping insertion in model container [2022-11-16 12:14:21,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:14:20" (2/3) ... [2022-11-16 12:14:21,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eabca83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:14:21, skipping insertion in model container [2022-11-16 12:14:21,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:14:21" (3/3) ... [2022-11-16 12:14:21,239 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product57.cil.c [2022-11-16 12:14:21,262 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:14:21,262 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:14:21,347 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:14:21,366 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;@31419077, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:14:21,367 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:14:21,377 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 68 states have (on average 1.3970588235294117) internal successors, (95), 76 states have internal predecessors, (95), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-16 12:14:21,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 12:14:21,387 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:14:21,388 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:14:21,389 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:14:21,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:14:21,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1290449034, now seen corresponding path program 1 times [2022-11-16 12:14:21,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:14:21,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652131612] [2022-11-16 12:14:21,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:14:21,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:14:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:21,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:14:21,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:14:21,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652131612] [2022-11-16 12:14:21,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652131612] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:14:21,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:14:21,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:14:21,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20440296] [2022-11-16 12:14:21,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:14:21,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 12:14:21,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:14:21,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 12:14:21,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:14:21,768 INFO L87 Difference]: Start difference. First operand has 86 states, 68 states have (on average 1.3970588235294117) internal successors, (95), 76 states have internal predecessors, (95), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:14:21,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:14:21,832 INFO L93 Difference]: Finished difference Result 164 states and 225 transitions. [2022-11-16 12:14:21,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 12:14:21,834 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-16 12:14:21,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:14:21,854 INFO L225 Difference]: With dead ends: 164 [2022-11-16 12:14:21,854 INFO L226 Difference]: Without dead ends: 77 [2022-11-16 12:14:21,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:14:21,862 INFO L413 NwaCegarLoop]: 109 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, 109 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:14:21,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:14:21,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-16 12:14:21,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-11-16 12:14:21,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 61 states have (on average 1.3278688524590163) internal successors, (81), 68 states have internal predecessors, (81), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-16 12:14:21,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 100 transitions. [2022-11-16 12:14:21,922 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 100 transitions. Word has length 19 [2022-11-16 12:14:21,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:14:21,923 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 100 transitions. [2022-11-16 12:14:21,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:14:21,925 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 100 transitions. [2022-11-16 12:14:21,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 12:14:21,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:14:21,931 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:14:21,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:14:21,932 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:14:21,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:14:21,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1967581778, now seen corresponding path program 1 times [2022-11-16 12:14:21,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:14:21,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544188572] [2022-11-16 12:14:21,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:14:21,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:14:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:22,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:14:22,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:14:22,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544188572] [2022-11-16 12:14:22,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544188572] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:14:22,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:14:22,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:14:22,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631570651] [2022-11-16 12:14:22,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:14:22,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:14:22,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:14:22,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:14:22,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:14:22,095 INFO L87 Difference]: Start difference. First operand 77 states and 100 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:14:22,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:14:22,120 INFO L93 Difference]: Finished difference Result 120 states and 156 transitions. [2022-11-16 12:14:22,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:14:22,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-16 12:14:22,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:14:22,123 INFO L225 Difference]: With dead ends: 120 [2022-11-16 12:14:22,123 INFO L226 Difference]: Without dead ends: 68 [2022-11-16 12:14:22,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:14:22,126 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 12 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:14:22,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 158 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:14:22,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-16 12:14:22,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-16 12:14:22,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 55 states have (on average 1.3454545454545455) internal successors, (74), 62 states have internal predecessors, (74), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-16 12:14:22,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 88 transitions. [2022-11-16 12:14:22,135 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 88 transitions. Word has length 20 [2022-11-16 12:14:22,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:14:22,136 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 88 transitions. [2022-11-16 12:14:22,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:14:22,136 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2022-11-16 12:14:22,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 12:14:22,137 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:14:22,137 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:14:22,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:14:22,138 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:14:22,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:14:22,138 INFO L85 PathProgramCache]: Analyzing trace with hash 764053852, now seen corresponding path program 1 times [2022-11-16 12:14:22,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:14:22,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229428822] [2022-11-16 12:14:22,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:14:22,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:14:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:22,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:14:22,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:14:22,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229428822] [2022-11-16 12:14:22,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229428822] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:14:22,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:14:22,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:14:22,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595783887] [2022-11-16 12:14:22,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:14:22,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:14:22,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:14:22,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:14:22,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:14:22,320 INFO L87 Difference]: Start difference. First operand 68 states and 88 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:14:22,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:14:22,482 INFO L93 Difference]: Finished difference Result 129 states and 170 transitions. [2022-11-16 12:14:22,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:14:22,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-16 12:14:22,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:14:22,485 INFO L225 Difference]: With dead ends: 129 [2022-11-16 12:14:22,485 INFO L226 Difference]: Without dead ends: 68 [2022-11-16 12:14:22,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:14:22,487 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 173 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:14:22,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 189 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:14:22,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-16 12:14:22,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-16 12:14:22,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 55 states have (on average 1.3272727272727274) internal successors, (73), 62 states have internal predecessors, (73), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-16 12:14:22,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2022-11-16 12:14:22,503 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 87 transitions. Word has length 24 [2022-11-16 12:14:22,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:14:22,503 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 87 transitions. [2022-11-16 12:14:22,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:14:22,504 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2022-11-16 12:14:22,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 12:14:22,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:14:22,511 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:14:22,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:14:22,511 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:14:22,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:14:22,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1882395024, now seen corresponding path program 1 times [2022-11-16 12:14:22,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:14:22,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273570946] [2022-11-16 12:14:22,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:14:22,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:14:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:22,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:14:22,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:14:22,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273570946] [2022-11-16 12:14:22,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273570946] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:14:22,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:14:22,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:14:22,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839471080] [2022-11-16 12:14:22,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:14:22,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:14:22,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:14:22,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:14:22,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:14:22,609 INFO L87 Difference]: Start difference. First operand 68 states and 87 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:14:22,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:14:22,660 INFO L93 Difference]: Finished difference Result 168 states and 221 transitions. [2022-11-16 12:14:22,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:14:22,661 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-16 12:14:22,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:14:22,666 INFO L225 Difference]: With dead ends: 168 [2022-11-16 12:14:22,666 INFO L226 Difference]: Without dead ends: 107 [2022-11-16 12:14:22,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:14:22,677 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 67 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:14:22,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 143 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:14:22,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-11-16 12:14:22,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2022-11-16 12:14:22,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 84 states have (on average 1.3095238095238095) internal successors, (110), 92 states have internal predecessors, (110), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (14), 10 states have call predecessors, (14), 10 states have call successors, (14) [2022-11-16 12:14:22,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 134 transitions. [2022-11-16 12:14:22,708 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 134 transitions. Word has length 32 [2022-11-16 12:14:22,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:14:22,708 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 134 transitions. [2022-11-16 12:14:22,708 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:14:22,709 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 134 transitions. [2022-11-16 12:14:22,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 12:14:22,710 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:14:22,710 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:14:22,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:14:22,711 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:14:22,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:14:22,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1383918710, now seen corresponding path program 1 times [2022-11-16 12:14:22,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:14:22,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435804337] [2022-11-16 12:14:22,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:14:22,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:14:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:22,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 12:14:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:22,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 12:14:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:22,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:14:22,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:14:22,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435804337] [2022-11-16 12:14:22,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435804337] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:14:22,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:14:22,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:14:22,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334261870] [2022-11-16 12:14:22,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:14:22,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:14:22,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:14:22,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:14:22,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:14:22,970 INFO L87 Difference]: Start difference. First operand 105 states and 134 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 12:14:23,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:14:23,216 INFO L93 Difference]: Finished difference Result 298 states and 395 transitions. [2022-11-16 12:14:23,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:14:23,220 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (3), 3 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 40 [2022-11-16 12:14:23,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:14:23,223 INFO L225 Difference]: With dead ends: 298 [2022-11-16 12:14:23,224 INFO L226 Difference]: Without dead ends: 200 [2022-11-16 12:14:23,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-16 12:14:23,232 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 135 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:14:23,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 281 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:14:23,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2022-11-16 12:14:23,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 198. [2022-11-16 12:14:23,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 159 states have (on average 1.2767295597484276) internal successors, (203), 170 states have internal predecessors, (203), 18 states have call successors, (18), 18 states have call predecessors, (18), 20 states have return successors, (32), 18 states have call predecessors, (32), 18 states have call successors, (32) [2022-11-16 12:14:23,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 253 transitions. [2022-11-16 12:14:23,264 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 253 transitions. Word has length 40 [2022-11-16 12:14:23,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:14:23,264 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 253 transitions. [2022-11-16 12:14:23,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 12:14:23,264 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 253 transitions. [2022-11-16 12:14:23,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-16 12:14:23,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:14:23,266 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:14:23,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:14:23,266 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:14:23,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:14:23,267 INFO L85 PathProgramCache]: Analyzing trace with hash 325624560, now seen corresponding path program 1 times [2022-11-16 12:14:23,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:14:23,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362474165] [2022-11-16 12:14:23,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:14:23,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:14:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:23,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:14:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:23,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 12:14:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:23,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 12:14:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:23,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:14:23,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:14:23,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362474165] [2022-11-16 12:14:23,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362474165] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:14:23,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:14:23,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:14:23,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627538829] [2022-11-16 12:14:23,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:14:23,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:14:23,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:14:23,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:14:23,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:14:23,411 INFO L87 Difference]: Start difference. First operand 198 states and 253 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 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) [2022-11-16 12:14:23,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:14:23,836 INFO L93 Difference]: Finished difference Result 281 states and 354 transitions. [2022-11-16 12:14:23,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-16 12:14:23,836 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 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 44 [2022-11-16 12:14:23,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:14:23,839 INFO L225 Difference]: With dead ends: 281 [2022-11-16 12:14:23,839 INFO L226 Difference]: Without dead ends: 279 [2022-11-16 12:14:23,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2022-11-16 12:14:23,840 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 215 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:14:23,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 386 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:14:23,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2022-11-16 12:14:23,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 231. [2022-11-16 12:14:23,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 186 states have (on average 1.2580645161290323) internal successors, (234), 202 states have internal predecessors, (234), 20 states have call successors, (20), 18 states have call predecessors, (20), 24 states have return successors, (39), 20 states have call predecessors, (39), 20 states have call successors, (39) [2022-11-16 12:14:23,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 293 transitions. [2022-11-16 12:14:23,885 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 293 transitions. Word has length 44 [2022-11-16 12:14:23,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:14:23,886 INFO L495 AbstractCegarLoop]: Abstraction has 231 states and 293 transitions. [2022-11-16 12:14:23,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 5 states have internal predecessors, (37), 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) [2022-11-16 12:14:23,886 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 293 transitions. [2022-11-16 12:14:23,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-16 12:14:23,887 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:14:23,887 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:14:23,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:14:23,888 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:14:23,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:14:23,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1024939841, now seen corresponding path program 1 times [2022-11-16 12:14:23,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:14:23,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355289022] [2022-11-16 12:14:23,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:14:23,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:14:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:23,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:14:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:23,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 12:14:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:24,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:14:24,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:14:24,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355289022] [2022-11-16 12:14:24,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355289022] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:14:24,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:14:24,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:14:24,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012623552] [2022-11-16 12:14:24,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:14:24,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:14:24,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:14:24,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:14:24,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:14:24,015 INFO L87 Difference]: Start difference. First operand 231 states and 293 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:14:24,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:14:24,310 INFO L93 Difference]: Finished difference Result 495 states and 653 transitions. [2022-11-16 12:14:24,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:14:24,311 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2022-11-16 12:14:24,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:14:24,317 INFO L225 Difference]: With dead ends: 495 [2022-11-16 12:14:24,317 INFO L226 Difference]: Without dead ends: 271 [2022-11-16 12:14:24,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:14:24,320 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 142 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:14:24,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 315 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:14:24,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2022-11-16 12:14:24,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 237. [2022-11-16 12:14:24,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 192 states have (on average 1.25) internal successors, (240), 208 states have internal predecessors, (240), 20 states have call successors, (20), 18 states have call predecessors, (20), 24 states have return successors, (39), 20 states have call predecessors, (39), 20 states have call successors, (39) [2022-11-16 12:14:24,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 299 transitions. [2022-11-16 12:14:24,368 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 299 transitions. Word has length 46 [2022-11-16 12:14:24,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:14:24,369 INFO L495 AbstractCegarLoop]: Abstraction has 237 states and 299 transitions. [2022-11-16 12:14:24,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:14:24,369 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 299 transitions. [2022-11-16 12:14:24,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-16 12:14:24,373 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:14:24,374 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:14:24,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 12:14:24,374 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:14:24,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:14:24,375 INFO L85 PathProgramCache]: Analyzing trace with hash -969204865, now seen corresponding path program 1 times [2022-11-16 12:14:24,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:14:24,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186103495] [2022-11-16 12:14:24,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:14:24,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:14:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:24,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:14:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:24,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 12:14:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:24,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:14:24,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:14:24,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186103495] [2022-11-16 12:14:24,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186103495] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:14:24,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:14:24,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 12:14:24,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238720910] [2022-11-16 12:14:24,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:14:24,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:14:24,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:14:24,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:14:24,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:14:24,570 INFO L87 Difference]: Start difference. First operand 237 states and 299 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:14:24,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:14:24,881 INFO L93 Difference]: Finished difference Result 463 states and 597 transitions. [2022-11-16 12:14:24,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:14:24,882 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2022-11-16 12:14:24,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:14:24,883 INFO L225 Difference]: With dead ends: 463 [2022-11-16 12:14:24,884 INFO L226 Difference]: Without dead ends: 233 [2022-11-16 12:14:24,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:14:24,886 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 176 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:14:24,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 328 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:14:24,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2022-11-16 12:14:24,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 182. [2022-11-16 12:14:24,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 146 states have (on average 1.2465753424657535) internal successors, (182), 158 states have internal predecessors, (182), 17 states have call successors, (17), 15 states have call predecessors, (17), 18 states have return successors, (28), 16 states have call predecessors, (28), 17 states have call successors, (28) [2022-11-16 12:14:24,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 227 transitions. [2022-11-16 12:14:24,913 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 227 transitions. Word has length 46 [2022-11-16 12:14:24,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:14:24,915 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 227 transitions. [2022-11-16 12:14:24,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:14:24,915 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 227 transitions. [2022-11-16 12:14:24,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-16 12:14:24,916 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:14:24,916 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:14:24,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 12:14:24,917 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:14:24,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:14:24,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1786853315, now seen corresponding path program 1 times [2022-11-16 12:14:24,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:14:24,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183014203] [2022-11-16 12:14:24,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:14:24,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:14:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:25,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:14:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:25,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 12:14:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:25,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:14:25,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:14:25,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183014203] [2022-11-16 12:14:25,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183014203] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:14:25,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:14:25,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:14:25,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822171632] [2022-11-16 12:14:25,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:14:25,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:14:25,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:14:25,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:14:25,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:14:25,053 INFO L87 Difference]: Start difference. First operand 182 states and 227 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:14:25,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:14:25,469 INFO L93 Difference]: Finished difference Result 417 states and 553 transitions. [2022-11-16 12:14:25,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 12:14:25,470 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2022-11-16 12:14:25,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:14:25,472 INFO L225 Difference]: With dead ends: 417 [2022-11-16 12:14:25,472 INFO L226 Difference]: Without dead ends: 282 [2022-11-16 12:14:25,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-11-16 12:14:25,474 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 209 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:14:25,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 403 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:14:25,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-11-16 12:14:25,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 271. [2022-11-16 12:14:25,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 217 states have (on average 1.2211981566820276) internal successors, (265), 232 states have internal predecessors, (265), 25 states have call successors, (25), 23 states have call predecessors, (25), 28 states have return successors, (54), 27 states have call predecessors, (54), 25 states have call successors, (54) [2022-11-16 12:14:25,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 344 transitions. [2022-11-16 12:14:25,527 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 344 transitions. Word has length 46 [2022-11-16 12:14:25,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:14:25,527 INFO L495 AbstractCegarLoop]: Abstraction has 271 states and 344 transitions. [2022-11-16 12:14:25,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:14:25,528 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 344 transitions. [2022-11-16 12:14:25,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-16 12:14:25,529 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:14:25,530 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 12:14:25,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 12:14:25,530 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:14:25,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:14:25,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1370841909, now seen corresponding path program 1 times [2022-11-16 12:14:25,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:14:25,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333535516] [2022-11-16 12:14:25,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:14:25,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:14:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:25,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:14:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:25,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 12:14:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:25,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:14:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:25,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-16 12:14:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:25,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:14:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:25,782 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 12:14:25,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:14:25,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333535516] [2022-11-16 12:14:25,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333535516] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:14:25,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091802797] [2022-11-16 12:14:25,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:14:25,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:14:25,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:14:25,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:14:25,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 12:14:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:25,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 12:14:25,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:14:26,140 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:14:26,141 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:14:26,342 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 12:14:26,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091802797] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:14:26,343 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:14:26,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 9 [2022-11-16 12:14:26,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536051082] [2022-11-16 12:14:26,343 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:14:26,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 12:14:26,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:14:26,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 12:14:26,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:14:26,344 INFO L87 Difference]: Start difference. First operand 271 states and 344 transitions. Second operand has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-16 12:14:27,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:14:27,091 INFO L93 Difference]: Finished difference Result 636 states and 856 transitions. [2022-11-16 12:14:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-16 12:14:27,092 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2022-11-16 12:14:27,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:14:27,095 INFO L225 Difference]: With dead ends: 636 [2022-11-16 12:14:27,095 INFO L226 Difference]: Without dead ends: 412 [2022-11-16 12:14:27,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 167 SyntacticMatches, 8 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=214, Invalid=542, Unknown=0, NotChecked=0, Total=756 [2022-11-16 12:14:27,097 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 252 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:14:27,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 543 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 12:14:27,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2022-11-16 12:14:27,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 365. [2022-11-16 12:14:27,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 289 states have (on average 1.2283737024221453) internal successors, (355), 310 states have internal predecessors, (355), 36 states have call successors, (36), 33 states have call predecessors, (36), 39 states have return successors, (82), 36 states have call predecessors, (82), 36 states have call successors, (82) [2022-11-16 12:14:27,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 473 transitions. [2022-11-16 12:14:27,140 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 473 transitions. Word has length 80 [2022-11-16 12:14:27,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:14:27,141 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 473 transitions. [2022-11-16 12:14:27,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (12), 6 states have call predecessors, (12), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-16 12:14:27,141 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 473 transitions. [2022-11-16 12:14:27,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-16 12:14:27,143 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:14:27,143 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:14:27,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:14:27,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-16 12:14:27,349 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:14:27,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:14:27,349 INFO L85 PathProgramCache]: Analyzing trace with hash -2051063763, now seen corresponding path program 2 times [2022-11-16 12:14:27,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:14:27,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086818799] [2022-11-16 12:14:27,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:14:27,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:14:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:27,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:14:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:27,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 12:14:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:27,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:14:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:27,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 12:14:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:27,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:14:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:27,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:14:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:27,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-16 12:14:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:27,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:14:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:27,783 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 51 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 12:14:27,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:14:27,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086818799] [2022-11-16 12:14:27,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086818799] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:14:27,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747908139] [2022-11-16 12:14:27,784 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 12:14:27,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:14:27,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:14:27,786 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:14:27,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 12:14:27,928 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 12:14:27,928 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:14:27,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 12:14:27,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:14:28,099 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 12:14:28,099 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:14:28,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747908139] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:14:28,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:14:28,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2022-11-16 12:14:28,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519574861] [2022-11-16 12:14:28,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:14:28,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:14:28,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:14:28,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:14:28,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-11-16 12:14:28,102 INFO L87 Difference]: Start difference. First operand 365 states and 473 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-16 12:14:28,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:14:28,513 INFO L93 Difference]: Finished difference Result 1004 states and 1357 transitions. [2022-11-16 12:14:28,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:14:28,514 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 114 [2022-11-16 12:14:28,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:14:28,519 INFO L225 Difference]: With dead ends: 1004 [2022-11-16 12:14:28,519 INFO L226 Difference]: Without dead ends: 685 [2022-11-16 12:14:28,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 127 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-11-16 12:14:28,523 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 203 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:14:28,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 570 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:14:28,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2022-11-16 12:14:28,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 616. [2022-11-16 12:14:28,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 489 states have (on average 1.2229038854805725) internal successors, (598), 518 states have internal predecessors, (598), 61 states have call successors, (61), 58 states have call predecessors, (61), 65 states have return successors, (123), 63 states have call predecessors, (123), 61 states have call successors, (123) [2022-11-16 12:14:28,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 782 transitions. [2022-11-16 12:14:28,607 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 782 transitions. Word has length 114 [2022-11-16 12:14:28,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:14:28,607 INFO L495 AbstractCegarLoop]: Abstraction has 616 states and 782 transitions. [2022-11-16 12:14:28,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-16 12:14:28,608 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 782 transitions. [2022-11-16 12:14:28,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-16 12:14:28,616 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:14:28,617 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:14:28,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:14:28,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-16 12:14:28,833 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:14:28,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:14:28,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1607163089, now seen corresponding path program 1 times [2022-11-16 12:14:28,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:14:28,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305937201] [2022-11-16 12:14:28,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:14:28,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:14:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:28,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 12:14:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:28,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 12:14:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:28,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:14:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:29,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-16 12:14:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:29,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:14:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:29,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:14:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:29,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-16 12:14:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:29,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:14:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:14:29,061 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-16 12:14:29,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:14:29,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305937201] [2022-11-16 12:14:29,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305937201] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:14:29,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:14:29,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 12:14:29,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138554555] [2022-11-16 12:14:29,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:14:29,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 12:14:29,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:14:29,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 12:14:29,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:14:29,088 INFO L87 Difference]: Start difference. First operand 616 states and 782 transitions. Second operand has 10 states, 10 states have (on average 8.0) internal successors, (80), 7 states have internal predecessors, (80), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-16 12:14:29,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:14:29,401 INFO L93 Difference]: Finished difference Result 857 states and 1071 transitions. [2022-11-16 12:14:29,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 12:14:29,402 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 7 states have internal predecessors, (80), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 114 [2022-11-16 12:14:29,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:14:29,403 INFO L225 Difference]: With dead ends: 857 [2022-11-16 12:14:29,403 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 12:14:29,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-11-16 12:14:29,406 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 152 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:14:29,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 342 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:14:29,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 12:14:29,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 12:14:29,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:14:29,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 12:14:29,408 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 114 [2022-11-16 12:14:29,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:14:29,408 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:14:29,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.0) internal successors, (80), 7 states have internal predecessors, (80), 2 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-16 12:14:29,409 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:14:29,409 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 12:14:29,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:14:29,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 12:14:29,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 12:14:32,622 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 156 162) no Hoare annotation was computed. [2022-11-16 12:14:32,623 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 156 162) the Hoare annotation is: true [2022-11-16 12:14:32,623 INFO L899 garLoopResultBuilder]: For program point L402-1(lines 398 409) no Hoare annotation was computed. [2022-11-16 12:14:32,623 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 398 409) the Hoare annotation is: true [2022-11-16 12:14:32,623 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 398 409) no Hoare annotation was computed. [2022-11-16 12:14:32,623 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 514 543) no Hoare annotation was computed. [2022-11-16 12:14:32,623 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 514 543) the Hoare annotation is: true [2022-11-16 12:14:32,623 INFO L902 garLoopResultBuilder]: At program point L539(lines 514 543) the Hoare annotation is: true [2022-11-16 12:14:32,623 INFO L899 garLoopResultBuilder]: For program point L535(line 535) no Hoare annotation was computed. [2022-11-16 12:14:32,623 INFO L899 garLoopResultBuilder]: For program point L528(lines 528 532) no Hoare annotation was computed. [2022-11-16 12:14:32,624 INFO L902 garLoopResultBuilder]: At program point L528-1(lines 528 532) the Hoare annotation is: true [2022-11-16 12:14:32,624 INFO L899 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2022-11-16 12:14:32,624 INFO L902 garLoopResultBuilder]: At program point L524-2(lines 524 538) the Hoare annotation is: true [2022-11-16 12:14:32,624 INFO L902 garLoopResultBuilder]: At program point L520(line 520) the Hoare annotation is: true [2022-11-16 12:14:32,624 INFO L899 garLoopResultBuilder]: For program point L520-1(line 520) no Hoare annotation was computed. [2022-11-16 12:14:32,624 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 382) no Hoare annotation was computed. [2022-11-16 12:14:32,624 INFO L895 garLoopResultBuilder]: At program point L378-2(lines 374 385) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 |old(~waterLevel~0)|))) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 12:14:32,625 INFO L895 garLoopResultBuilder]: At program point L246(lines 241 248) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 |old(~waterLevel~0)|))) (or .cse0 (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) (not (= |timeShift_isLowWaterLevel_#res#1| 0)) (= ~pumpRunning~0 0) (not (= |timeShift_processEnvironment_~tmp~2#1| 0)) (<= 1 ~waterLevel~0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|) (= |timeShift_isLowWaterLevel_~tmp~5#1| 0)) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 12:14:32,625 INFO L895 garLoopResultBuilder]: At program point L209(line 209) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 (not (<= 1 |old(~waterLevel~0)|))) (or .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 12:14:32,625 INFO L895 garLoopResultBuilder]: At program point L209-1(lines 190 214) the Hoare annotation is: (let ((.cse2 (not (= 1 ~systemActive~0))) (.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0))) (and (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1) .cse2 (not (<= 1 |old(~waterLevel~0)|)) (and .cse3 .cse1))) (or .cse2 .cse3 (and (not (= |timeShift_isLowWaterLevel_#res#1| 0)) .cse0 (not (= |timeShift_processEnvironment_~tmp~2#1| 0)) (<= 1 ~waterLevel~0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 12:14:32,625 INFO L899 garLoopResultBuilder]: For program point L143-1(lines 143 149) no Hoare annotation was computed. [2022-11-16 12:14:32,625 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 337) no Hoare annotation was computed. [2022-11-16 12:14:32,626 INFO L899 garLoopResultBuilder]: For program point L333-2(lines 333 337) no Hoare annotation was computed. [2022-11-16 12:14:32,626 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 132 155) no Hoare annotation was computed. [2022-11-16 12:14:32,626 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 364) no Hoare annotation was computed. [2022-11-16 12:14:32,626 INFO L899 garLoopResultBuilder]: For program point L354(lines 354 367) no Hoare annotation was computed. [2022-11-16 12:14:32,626 INFO L895 garLoopResultBuilder]: At program point L354-1(lines 346 370) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (<= 2 |timeShift___utac_acc__Specification4_spec__1_~tmp~6#1|)) (.cse3 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse4) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse5 (= |timeShift___utac_acc__Specification4_spec__1_~tmp~6#1| 1) (= ~waterLevel~0 1) (= |timeShift_getWaterLevel_#res#1| 1))) (or (and (<= 2 ~waterLevel~0) .cse2 .cse3) .cse1 (and (not (= |timeShift_isLowWaterLevel_#res#1| 0)) .cse5 (not (= |timeShift_processEnvironment_~tmp~2#1| 0)) (<= 1 |timeShift___utac_acc__Specification4_spec__1_~tmp~6#1|) (<= 1 ~waterLevel~0) (<= 1 |timeShift_getWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) .cse4))) [2022-11-16 12:14:32,626 INFO L895 garLoopResultBuilder]: At program point L470(lines 465 473) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 |old(~waterLevel~0)|))) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 12:14:32,627 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 135 154) no Hoare annotation was computed. [2022-11-16 12:14:32,627 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 206) no Hoare annotation was computed. [2022-11-16 12:14:32,627 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 211) no Hoare annotation was computed. [2022-11-16 12:14:32,627 INFO L895 garLoopResultBuilder]: At program point L339(lines 324 342) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (not (= |timeShift_isLowWaterLevel_#res#1| 0)) (<= 1 ~waterLevel~0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|) (= |timeShift_isLowWaterLevel_~tmp~5#1| 0)) (not (<= 2 |old(~waterLevel~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 |old(~waterLevel~0)|))))) [2022-11-16 12:14:32,627 INFO L899 garLoopResultBuilder]: For program point L979(line 979) no Hoare annotation was computed. [2022-11-16 12:14:32,627 INFO L895 garLoopResultBuilder]: At program point L265(lines 260 268) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 |old(~waterLevel~0)|))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 12:14:32,628 INFO L895 garLoopResultBuilder]: At program point L447(lines 442 450) the Hoare annotation is: (let ((.cse1 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 (and (<= 2 ~waterLevel~0) .cse1) (and (not (= |timeShift_isLowWaterLevel_#res#1| 0)) .cse2 (not (= |timeShift_processEnvironment_~tmp~2#1| 0)) (<= 1 ~waterLevel~0) (<= 1 |timeShift_getWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) .cse3) (or .cse4 .cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse3) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse0 (and .cse2 (= ~waterLevel~0 1) (= |timeShift_getWaterLevel_#res#1| 1))))) [2022-11-16 12:14:32,628 INFO L895 garLoopResultBuilder]: At program point L980(lines 975 982) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 |old(~waterLevel~0)|))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 12:14:32,628 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 132 155) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) .cse1 (not (<= 1 |old(~waterLevel~0)|))) (or .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 12:14:32,628 INFO L895 garLoopResultBuilder]: At program point L204(line 204) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 |old(~waterLevel~0)|))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 12:14:32,628 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 132 155) no Hoare annotation was computed. [2022-11-16 12:14:32,628 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 979) no Hoare annotation was computed. [2022-11-16 12:14:32,629 INFO L895 garLoopResultBuilder]: At program point L572(lines 568 574) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)) [2022-11-16 12:14:32,629 INFO L895 garLoopResultBuilder]: At program point L110(lines 63 111) the Hoare annotation is: false [2022-11-16 12:14:32,629 INFO L899 garLoopResultBuilder]: For program point L65(lines 64 109) no Hoare annotation was computed. [2022-11-16 12:14:32,629 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 12:14:32,629 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 105) no Hoare annotation was computed. [2022-11-16 12:14:32,629 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 12:14:32,629 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 12:14:32,629 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2022-11-16 12:14:32,630 INFO L895 garLoopResultBuilder]: At program point L107(lines 64 109) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2022-11-16 12:14:32,630 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 80) no Hoare annotation was computed. [2022-11-16 12:14:32,630 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2022-11-16 12:14:32,630 INFO L902 garLoopResultBuilder]: At program point L582(lines 575 584) the Hoare annotation is: true [2022-11-16 12:14:32,630 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-11-16 12:14:32,630 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 12:14:32,630 INFO L895 garLoopResultBuilder]: At program point L508(lines 503 511) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 12:14:32,630 INFO L895 garLoopResultBuilder]: At program point L500(lines 496 502) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 12:14:32,631 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 602) no Hoare annotation was computed. [2022-11-16 12:14:32,631 INFO L899 garLoopResultBuilder]: For program point L595-2(lines 595 602) no Hoare annotation was computed. [2022-11-16 12:14:32,631 INFO L899 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2022-11-16 12:14:32,631 INFO L895 garLoopResultBuilder]: At program point L100-2(lines 94 105) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2022-11-16 12:14:32,631 INFO L902 garLoopResultBuilder]: At program point L604(lines 585 607) the Hoare annotation is: true [2022-11-16 12:14:32,631 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2022-11-16 12:14:32,631 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2022-11-16 12:14:32,631 INFO L902 garLoopResultBuilder]: At program point L113(lines 54 117) the Hoare annotation is: true [2022-11-16 12:14:32,631 INFO L895 garLoopResultBuilder]: At program point L493(lines 489 495) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 12:14:32,632 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2022-11-16 12:14:32,632 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 164 188) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (<= 1 ~waterLevel~0))) [2022-11-16 12:14:32,632 INFO L895 garLoopResultBuilder]: At program point L320(lines 305 323) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse2 (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~4#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0))))) [2022-11-16 12:14:32,632 INFO L895 garLoopResultBuilder]: At program point L256(lines 249 259) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 (= ~pumpRunning~0 0) .cse1 (not (<= 2 ~waterLevel~0))))) [2022-11-16 12:14:32,632 INFO L895 garLoopResultBuilder]: At program point L415(lines 410 418) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 (= ~pumpRunning~0 0) .cse1 (not (<= 2 ~waterLevel~0))))) [2022-11-16 12:14:32,632 INFO L899 garLoopResultBuilder]: For program point L314(lines 314 318) no Hoare annotation was computed. [2022-11-16 12:14:32,632 INFO L899 garLoopResultBuilder]: For program point L314-2(lines 314 318) no Hoare annotation was computed. [2022-11-16 12:14:32,633 INFO L895 garLoopResultBuilder]: At program point L178(line 178) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0))) (and (or (not (= ~waterLevel~0 1)) .cse0 (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse1 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~4#1|) .cse2) .cse3) (or .cse0 .cse3 (not (<= 2 ~waterLevel~0)) (and .cse1 .cse2)))) [2022-11-16 12:14:32,633 INFO L899 garLoopResultBuilder]: For program point L172(lines 172 180) no Hoare annotation was computed. [2022-11-16 12:14:32,633 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 185) no Hoare annotation was computed. [2022-11-16 12:14:32,633 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 461) no Hoare annotation was computed. [2022-11-16 12:14:32,633 INFO L895 garLoopResultBuilder]: At program point L220(lines 215 222) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-16 12:14:32,633 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 164 188) no Hoare annotation was computed. [2022-11-16 12:14:32,633 INFO L895 garLoopResultBuilder]: At program point L183(line 183) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (not (<= 1 ~waterLevel~0))) [2022-11-16 12:14:32,633 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 164 188) no Hoare annotation was computed. [2022-11-16 12:14:32,634 INFO L895 garLoopResultBuilder]: At program point L460(lines 451 464) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 (not (<= 1 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse0 .cse1))) [2022-11-16 12:14:32,634 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 237) no Hoare annotation was computed. [2022-11-16 12:14:32,634 INFO L895 garLoopResultBuilder]: At program point L231-2(lines 224 240) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-16 12:14:32,636 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 386 397) no Hoare annotation was computed. [2022-11-16 12:14:32,636 INFO L899 garLoopResultBuilder]: For program point L390-1(lines 386 397) no Hoare annotation was computed. [2022-11-16 12:14:32,636 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 386 397) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= ~pumpRunning~0 0)) .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 12:14:32,640 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:14:32,642 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:14:32,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:14:32 BoogieIcfgContainer [2022-11-16 12:14:32,678 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:14:32,679 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:14:32,682 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:14:32,682 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:14:32,683 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:14:21" (3/4) ... [2022-11-16 12:14:32,686 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:14:32,693 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-16 12:14:32,693 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 12:14:32,694 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 12:14:32,694 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 12:14:32,694 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 12:14:32,694 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 12:14:32,711 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2022-11-16 12:14:32,712 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 12:14:32,712 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 12:14:32,713 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 12:14:32,713 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:14:32,714 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:14:32,714 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:14:32,741 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-16 12:14:32,741 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive [2022-11-16 12:14:32,742 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) || ((((2 <= waterLevel && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) [2022-11-16 12:14:32,743 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) && ((!(1 == systemActive) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) [2022-11-16 12:14:32,744 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) && (((!(1 == systemActive) || 2 <= waterLevel) || ((((!(\result == 0) && pumpRunning == 0) && !(tmp == 0)) && 1 <= waterLevel) && 1 <= tmp___0)) || !(2 <= \old(waterLevel))) [2022-11-16 12:14:32,745 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || (2 <= waterLevel && 2 <= \result)) || (((((!(\result == 0) && pumpRunning == 0) && !(tmp == 0)) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp___0)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (\old(waterLevel) == waterLevel && 2 <= \result)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((pumpRunning == 0 && waterLevel == 1) && \result == 1)) [2022-11-16 12:14:32,746 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((2 <= tmp && \old(waterLevel) == waterLevel) && 2 <= \result)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (((pumpRunning == 0 && tmp == 1) && waterLevel == 1) && \result == 1))) && (((((2 <= waterLevel && 2 <= tmp) && 2 <= \result) || !(1 == systemActive)) || ((((((!(\result == 0) && pumpRunning == 0) && !(tmp == 0)) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp___0)) || !(2 <= \old(waterLevel))) [2022-11-16 12:14:32,746 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) && ((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) [2022-11-16 12:14:32,746 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) && (((!(waterLevel == 1) || 1 <= \result) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) [2022-11-16 12:14:32,747 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) && (!(1 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-16 12:14:32,747 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || (((((pumpRunning == \old(pumpRunning) && \result == 0) && !(\result == 0)) && 1 <= waterLevel) && 1 <= tmp___0) && tmp == 0)) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) [2022-11-16 12:14:32,747 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((1 <= \result && pumpRunning == 0) && tmp___0 == 0) && 1 <= tmp) && \result == 0)) [2022-11-16 12:14:32,747 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) && (!(1 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-16 12:14:32,747 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) && ((!(1 == systemActive) || ((((((\result == 0 && !(\result == 0)) && pumpRunning == 0) && !(tmp == 0)) && 1 <= waterLevel) && 1 <= tmp___0) && tmp == 0)) || !(2 <= \old(waterLevel))) [2022-11-16 12:14:32,748 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) [2022-11-16 12:14:32,748 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) [2022-11-16 12:14:32,748 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive) [2022-11-16 12:14:32,749 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive) [2022-11-16 12:14:32,798 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:14:32,798 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:14:32,799 INFO L158 Benchmark]: Toolchain (without parser) took 12976.73ms. Allocated memory was 113.2MB in the beginning and 249.6MB in the end (delta: 136.3MB). Free memory was 78.5MB in the beginning and 105.9MB in the end (delta: -27.4MB). Peak memory consumption was 109.7MB. Max. memory is 16.1GB. [2022-11-16 12:14:32,799 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory was 85.2MB in the beginning and 85.2MB in the end (delta: 30.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:14:32,799 INFO L158 Benchmark]: CACSL2BoogieTranslator took 554.28ms. Allocated memory is still 113.2MB. Free memory was 78.3MB in the beginning and 79.5MB in the end (delta: -1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:14:32,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.06ms. Allocated memory is still 113.2MB. Free memory was 79.1MB in the beginning and 76.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:14:32,800 INFO L158 Benchmark]: Boogie Preprocessor took 27.97ms. Allocated memory is still 113.2MB. Free memory was 76.5MB in the beginning and 74.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:14:32,801 INFO L158 Benchmark]: RCFGBuilder took 724.51ms. Allocated memory is still 113.2MB. Free memory was 74.9MB in the beginning and 56.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 12:14:32,802 INFO L158 Benchmark]: TraceAbstraction took 11461.84ms. Allocated memory was 113.2MB in the beginning and 249.6MB in the end (delta: 136.3MB). Free memory was 55.1MB in the beginning and 111.2MB in the end (delta: -56.1MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. [2022-11-16 12:14:32,802 INFO L158 Benchmark]: Witness Printer took 119.37ms. Allocated memory is still 249.6MB. Free memory was 111.2MB in the beginning and 105.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 12:14:32,805 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory was 85.2MB in the beginning and 85.2MB in the end (delta: 30.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 554.28ms. Allocated memory is still 113.2MB. Free memory was 78.3MB in the beginning and 79.5MB in the end (delta: -1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.06ms. Allocated memory is still 113.2MB. Free memory was 79.1MB in the beginning and 76.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.97ms. Allocated memory is still 113.2MB. Free memory was 76.5MB in the beginning and 74.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 724.51ms. Allocated memory is still 113.2MB. Free memory was 74.9MB in the beginning and 56.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 11461.84ms. Allocated memory was 113.2MB in the beginning and 249.6MB in the end (delta: 136.3MB). Free memory was 55.1MB in the beginning and 111.2MB in the end (delta: -56.1MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. * Witness Printer took 119.37ms. Allocated memory is still 249.6MB. Free memory was 111.2MB in the beginning and 105.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 979]: 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 7 procedures, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.3s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1751 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1736 mSDsluCounter, 3767 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2770 mSDsCounter, 371 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2200 IncrementalHoareTripleChecker+Invalid, 2571 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 371 mSolverCounterUnsat, 997 mSDtfsCounter, 2200 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 498 GetRequests, 357 SyntacticMatches, 11 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=616occurred in iteration=11, InterpolantAutomatonStates: 126, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 264 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 1198 PreInvPairs, 1324 NumberOfFragments, 1002 HoareAnnotationTreeSize, 1198 FomulaSimplifications, 1995 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 41 FomulaSimplificationsInter, 15108 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 819 NumberOfCodeBlocks, 819 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 884 ConstructedInterpolants, 0 QuantifiedInterpolants, 1648 SizeOfPredicates, 8 NumberOfNonLiveVariables, 955 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 252/282 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: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || (2 <= waterLevel && 2 <= \result)) || (((((!(\result == 0) && pumpRunning == 0) && !(tmp == 0)) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp___0)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (\old(waterLevel) == waterLevel && 2 <= \result)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || ((pumpRunning == 0 && waterLevel == 1) && \result == 1)) - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || (((((pumpRunning == \old(pumpRunning) && \result == 0) && !(\result == 0)) && 1 <= waterLevel) && 1 <= tmp___0) && tmp == 0)) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) && ((!(1 == systemActive) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) && ((!(1 == systemActive) || ((((((\result == 0 && !(\result == 0)) && pumpRunning == 0) && !(tmp == 0)) && 1 <= waterLevel) && 1 <= tmp___0) && tmp == 0)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive) - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) && ((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 975]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) && (!(1 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) && (!(1 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive) - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) && (((!(waterLevel == 1) || 1 <= \result) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((1 <= \result && pumpRunning == 0) && tmp___0 == 0) && 1 <= tmp) && \result == 0)) - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) && (((!(1 == systemActive) || 2 <= waterLevel) || ((((!(\result == 0) && pumpRunning == 0) && !(tmp == 0)) && 1 <= waterLevel) && 1 <= tmp___0)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((2 <= tmp && \old(waterLevel) == waterLevel) && 2 <= \result)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || (((pumpRunning == 0 && tmp == 1) && waterLevel == 1) && \result == 1))) && (((((2 <= waterLevel && 2 <= tmp) && 2 <= \result) || !(1 == systemActive)) || ((((((!(\result == 0) && pumpRunning == 0) && !(tmp == 0)) && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp___0)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == systemActive) || ((((2 <= waterLevel && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: ((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: ((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) RESULT: Ultimate proved your program to be correct! [2022-11-16 12:14:32,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08f7dfed-c175-48db-83e9-7225dbc4a35d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE